Cleanup 2

classifier/myenv/bin/activate

@@ -1,76 +0,0 @@
-# This file must be used with "source bin/activate" *from bash*
-# you cannot run it directly
-
-deactivate () {
-    # reset old environment variables
-    if [ -n "${_OLD_VIRTUAL_PATH:-}" ] ; then
-        PATH="${_OLD_VIRTUAL_PATH:-}"
-        export PATH
-        unset _OLD_VIRTUAL_PATH
-    fi
-    if [ -n "${_OLD_VIRTUAL_PYTHONHOME:-}" ] ; then
-        PYTHONHOME="${_OLD_VIRTUAL_PYTHONHOME:-}"
-        export PYTHONHOME
-        unset _OLD_VIRTUAL_PYTHONHOME
-    fi
-
-    # This should detect bash and zsh, which have a hash command that must
-    # be called to get it to forget past commands.  Without forgetting
-    # past commands the $PATH changes we made may not be respected
-    if [ -n "${BASH:-}" -o -n "${ZSH_VERSION:-}" ] ; then
-        hash -r
-    fi
-
-    if [ -n "${_OLD_VIRTUAL_PS1:-}" ] ; then
-        PS1="${_OLD_VIRTUAL_PS1:-}"
-        export PS1
-        unset _OLD_VIRTUAL_PS1
-    fi
-
-    unset VIRTUAL_ENV
-    if [ ! "$1" = "nondestructive" ] ; then
-    # Self destruct!
-        unset -f deactivate
-    fi
-}
-
-# unset irrelevant variables
-deactivate nondestructive
-
-VIRTUAL_ENV="/home/chris/Storage/christina/Desktop/THMMY/AVT/THE-Assignment/classifier/myenv"
-export VIRTUAL_ENV
-
-_OLD_VIRTUAL_PATH="$PATH"
-PATH="$VIRTUAL_ENV/bin:$PATH"
-export PATH
-
-# unset PYTHONHOME if set
-# this will fail if PYTHONHOME is set to the empty string (which is bad anyway)
-# could use `if (set -u; : $PYTHONHOME) ;` in bash
-if [ -n "${PYTHONHOME:-}" ] ; then
-    _OLD_VIRTUAL_PYTHONHOME="${PYTHONHOME:-}"
-    unset PYTHONHOME
-fi
-
-if [ -z "${VIRTUAL_ENV_DISABLE_PROMPT:-}" ] ; then
-    _OLD_VIRTUAL_PS1="${PS1:-}"
-    if [ "x(myenv) " != x ] ; then
-	PS1="(myenv) ${PS1:-}"
-    else
-    if [ "`basename \"$VIRTUAL_ENV\"`" = "__" ] ; then
-        # special case for Aspen magic directories
-        # see http://www.zetadev.com/software/aspen/
-        PS1="[`basename \`dirname \"$VIRTUAL_ENV\"\``] $PS1"
-    else
-        PS1="(`basename \"$VIRTUAL_ENV\"`)$PS1"
-    fi
-    fi
-    export PS1
-fi
-
-# This should detect bash and zsh, which have a hash command that must
-# be called to get it to forget past commands.  Without forgetting
-# past commands the $PATH changes we made may not be respected
-if [ -n "${BASH:-}" -o -n "${ZSH_VERSION:-}" ] ; then
-    hash -r
-fi

classifier/myenv/bin/activate.csh

@@ -1,37 +0,0 @@
-# This file must be used with "source bin/activate.csh" *from csh*.
-# You cannot run it directly.
-# Created by Davide Di Blasi <davidedb@gmail.com>.
-# Ported to Python 3.3 venv by Andrew Svetlov <andrew.svetlov@gmail.com>
-
-alias deactivate 'test $?_OLD_VIRTUAL_PATH != 0 && setenv PATH "$_OLD_VIRTUAL_PATH" && unset _OLD_VIRTUAL_PATH; rehash; test $?_OLD_VIRTUAL_PROMPT != 0 && set prompt="$_OLD_VIRTUAL_PROMPT" && unset _OLD_VIRTUAL_PROMPT; unsetenv VIRTUAL_ENV; test "\!:*" != "nondestructive" && unalias deactivate'
-
-# Unset irrelevant variables.
-deactivate nondestructive
-
-setenv VIRTUAL_ENV "/home/chris/Storage/christina/Desktop/THMMY/AVT/THE-Assignment/classifier/myenv"
-
-set _OLD_VIRTUAL_PATH="$PATH"
-setenv PATH "$VIRTUAL_ENV/bin:$PATH"
-
-
-set _OLD_VIRTUAL_PROMPT="$prompt"
-
-if (! "$?VIRTUAL_ENV_DISABLE_PROMPT") then
-    if ("myenv" != "") then
-        set env_name = "myenv"
-    else
-        if (`basename "VIRTUAL_ENV"` == "__") then
-            # special case for Aspen magic directories
-            # see http://www.zetadev.com/software/aspen/
-            set env_name = `basename \`dirname "$VIRTUAL_ENV"\``
-        else
-            set env_name = `basename "$VIRTUAL_ENV"`
-        endif
-    endif
-    set prompt = "[$env_name] $prompt"
-    unset env_name
-endif
-
-alias pydoc python -m pydoc
-
-rehash

classifier/myenv/bin/activate.fish

@@ -1,75 +0,0 @@
-# This file must be used with ". bin/activate.fish" *from fish* (http://fishshell.org)
-# you cannot run it directly
-
-function deactivate  -d "Exit virtualenv and return to normal shell environment"
-    # reset old environment variables
-    if test -n "$_OLD_VIRTUAL_PATH"
-        set -gx PATH $_OLD_VIRTUAL_PATH
-        set -e _OLD_VIRTUAL_PATH
-    end
-    if test -n "$_OLD_VIRTUAL_PYTHONHOME"
-        set -gx PYTHONHOME $_OLD_VIRTUAL_PYTHONHOME
-        set -e _OLD_VIRTUAL_PYTHONHOME
-    end
-
-    if test -n "$_OLD_FISH_PROMPT_OVERRIDE"
-        functions -e fish_prompt
-        set -e _OLD_FISH_PROMPT_OVERRIDE
-        functions -c _old_fish_prompt fish_prompt
-        functions -e _old_fish_prompt
-    end
-
-    set -e VIRTUAL_ENV
-    if test "$argv[1]" != "nondestructive"
-        # Self destruct!
-        functions -e deactivate
-    end
-end
-
-# unset irrelevant variables
-deactivate nondestructive
-
-set -gx VIRTUAL_ENV "/home/chris/Storage/christina/Desktop/THMMY/AVT/THE-Assignment/classifier/myenv"
-
-set -gx _OLD_VIRTUAL_PATH $PATH
-set -gx PATH "$VIRTUAL_ENV/bin" $PATH
-
-# unset PYTHONHOME if set
-if set -q PYTHONHOME
-    set -gx _OLD_VIRTUAL_PYTHONHOME $PYTHONHOME
-    set -e PYTHONHOME
-end
-
-if test -z "$VIRTUAL_ENV_DISABLE_PROMPT"
-    # fish uses a function instead of an env var to generate the prompt.
-
-    # save the current fish_prompt function as the function _old_fish_prompt
-    functions -c fish_prompt _old_fish_prompt
-
-    # with the original prompt function renamed, we can override with our own.
-    function fish_prompt
-        # Save the return status of the last command
-        set -l old_status $status
-
-        # Prompt override?
-        if test -n "(myenv) "            
-            printf "%s%s" "(myenv) " (set_color normal)
-        else
-            # ...Otherwise, prepend env
-            set -l _checkbase (basename "$VIRTUAL_ENV")
-            if test $_checkbase = "__"
-                # special case for Aspen magic directories
-                # see http://www.zetadev.com/software/aspen/
-                printf "%s[%s]%s " (set_color -b blue white) (basename (dirname "$VIRTUAL_ENV")) (set_color normal)
-            else
-                printf "%s(%s)%s" (set_color -b blue white) (basename "$VIRTUAL_ENV") (set_color normal)
-            end
-        end
-
-        # Restore the return status of the previous command.
-        echo "exit $old_status" | .
-        _old_fish_prompt
-    end
-
-    set -gx _OLD_FISH_PROMPT_OVERRIDE "$VIRTUAL_ENV"
-end

classifier/myenv/bin/easy_install

@@ -1,11 +0,0 @@
-#!/home/chris/Storage/christina/Desktop/THMMY/AVT/THE-Assignment/classifier/myenv/bin/python3
-
-# -*- coding: utf-8 -*-
-import re
-import sys
-
-from setuptools.command.easy_install import main
-
-if __name__ == '__main__':
-    sys.argv[0] = re.sub(r'(-script\.pyw?|\.exe)?$', '', sys.argv[0])
-    sys.exit(main())

classifier/myenv/bin/easy_install-3.6

@@ -1,11 +0,0 @@
-#!/home/chris/Storage/christina/Desktop/THMMY/AVT/THE-Assignment/classifier/myenv/bin/python3
-
-# -*- coding: utf-8 -*-
-import re
-import sys
-
-from setuptools.command.easy_install import main
-
-if __name__ == '__main__':
-    sys.argv[0] = re.sub(r'(-script\.pyw?|\.exe)?$', '', sys.argv[0])
-    sys.exit(main())

classifier/myenv/bin/pip

@@ -1,11 +0,0 @@
-#!/home/chris/Storage/christina/Desktop/THMMY/AVT/THE-Assignment/classifier/myenv/bin/python3
-
-# -*- coding: utf-8 -*-
-import re
-import sys
-
-from pip import main
-
-if __name__ == '__main__':
-    sys.argv[0] = re.sub(r'(-script\.pyw?|\.exe)?$', '', sys.argv[0])
-    sys.exit(main())

classifier/myenv/bin/pip3

@@ -1,11 +0,0 @@
-#!/home/chris/Storage/christina/Desktop/THMMY/AVT/THE-Assignment/classifier/myenv/bin/python3
-
-# -*- coding: utf-8 -*-
-import re
-import sys
-
-from pip import main
-
-if __name__ == '__main__':
-    sys.argv[0] = re.sub(r'(-script\.pyw?|\.exe)?$', '', sys.argv[0])
-    sys.exit(main())

classifier/myenv/bin/pip3.6

@@ -1,11 +0,0 @@
-#!/home/chris/Storage/christina/Desktop/THMMY/AVT/THE-Assignment/classifier/myenv/bin/python3
-
-# -*- coding: utf-8 -*-
-import re
-import sys
-
-from pip import main
-
-if __name__ == '__main__':
-    sys.argv[0] = re.sub(r'(-script\.pyw?|\.exe)?$', '', sys.argv[0])
-    sys.exit(main())

classifier/myenv/bin/python

@@ -1 +0,0 @@
-python3

classifier/myenv/bin/python3

@@ -1 +0,0 @@
-/usr/bin/python3

classifier/myenv/lib/python3.6/site-packages/easy_install.py

@@ -1,5 +0,0 @@
-"""Run the EasyInstall command"""
-
-if __name__ == '__main__':
-    from setuptools.command.easy_install import main
-    main()

classifier/myenv/lib/python3.6/site-packages/pip-9.0.1.dist-info/DESCRIPTION.rst

@@ -1,39 +0,0 @@
-pip
-===
-
-The `PyPA recommended
-<https://packaging.python.org/en/latest/current/>`_
-tool for installing Python packages.
-
-* `Installation <https://pip.pypa.io/en/stable/installing.html>`_
-* `Documentation <https://pip.pypa.io/>`_
-* `Changelog <https://pip.pypa.io/en/stable/news.html>`_
-* `Github Page <https://github.com/pypa/pip>`_
-* `Issue Tracking <https://github.com/pypa/pip/issues>`_
-* `User mailing list <http://groups.google.com/group/python-virtualenv>`_
-* `Dev mailing list <http://groups.google.com/group/pypa-dev>`_
-* User IRC: #pypa on Freenode.
-* Dev IRC: #pypa-dev on Freenode.
-
-
-.. image:: https://img.shields.io/pypi/v/pip.svg
-   :target: https://pypi.python.org/pypi/pip
-
-.. image:: https://img.shields.io/travis/pypa/pip/master.svg
-   :target: http://travis-ci.org/pypa/pip
-
-.. image:: https://img.shields.io/appveyor/ci/pypa/pip.svg
-   :target: https://ci.appveyor.com/project/pypa/pip/history
-
-.. image:: https://readthedocs.org/projects/pip/badge/?version=stable
-   :target: https://pip.pypa.io/en/stable
-
-Code of Conduct
----------------
-
-Everyone interacting in the pip project's codebases, issue trackers, chat
-rooms, and mailing lists is expected to follow the `PyPA Code of Conduct`_.
-
-.. _PyPA Code of Conduct: https://www.pypa.io/en/latest/code-of-conduct/
-
-

classifier/myenv/lib/python3.6/site-packages/pip-9.0.1.dist-info/INSTALLER

@@ -1 +0,0 @@
-pip

classifier/myenv/lib/python3.6/site-packages/pip-9.0.1.dist-info/METADATA

@@ -1,70 +0,0 @@
-Metadata-Version: 2.0
-Name: pip
-Version: 9.0.1
-Summary: The PyPA recommended tool for installing Python packages.
-Home-page: https://pip.pypa.io/
-Author: The pip developers
-Author-email: python-virtualenv@groups.google.com
-License: MIT
-Keywords: easy_install distutils setuptools egg virtualenv
-Platform: UNKNOWN
-Classifier: Development Status :: 5 - Production/Stable
-Classifier: Intended Audience :: Developers
-Classifier: License :: OSI Approved :: MIT License
-Classifier: Topic :: Software Development :: Build Tools
-Classifier: Programming Language :: Python :: 2
-Classifier: Programming Language :: Python :: 2.6
-Classifier: Programming Language :: Python :: 2.7
-Classifier: Programming Language :: Python :: 3
-Classifier: Programming Language :: Python :: 3.3
-Classifier: Programming Language :: Python :: 3.4
-Classifier: Programming Language :: Python :: 3.5
-Classifier: Programming Language :: Python :: Implementation :: PyPy
-Requires-Python: >=2.6,!=3.0.*,!=3.1.*,!=3.2.*
-Provides-Extra: testing
-Provides-Extra: testing
-Requires-Dist: mock; extra == 'testing'
-Requires-Dist: pretend; extra == 'testing'
-Requires-Dist: pytest; extra == 'testing'
-Requires-Dist: scripttest (>=1.3); extra == 'testing'
-Requires-Dist: virtualenv (>=1.10); extra == 'testing'
-
-pip
-===
-
-The `PyPA recommended
-<https://packaging.python.org/en/latest/current/>`_
-tool for installing Python packages.
-
-* `Installation <https://pip.pypa.io/en/stable/installing.html>`_
-* `Documentation <https://pip.pypa.io/>`_
-* `Changelog <https://pip.pypa.io/en/stable/news.html>`_
-* `Github Page <https://github.com/pypa/pip>`_
-* `Issue Tracking <https://github.com/pypa/pip/issues>`_
-* `User mailing list <http://groups.google.com/group/python-virtualenv>`_
-* `Dev mailing list <http://groups.google.com/group/pypa-dev>`_
-* User IRC: #pypa on Freenode.
-* Dev IRC: #pypa-dev on Freenode.
-
-
-.. image:: https://img.shields.io/pypi/v/pip.svg
-   :target: https://pypi.python.org/pypi/pip
-
-.. image:: https://img.shields.io/travis/pypa/pip/master.svg
-   :target: http://travis-ci.org/pypa/pip
-
-.. image:: https://img.shields.io/appveyor/ci/pypa/pip.svg
-   :target: https://ci.appveyor.com/project/pypa/pip/history
-
-.. image:: https://readthedocs.org/projects/pip/badge/?version=stable
-   :target: https://pip.pypa.io/en/stable
-
-Code of Conduct
----------------
-
-Everyone interacting in the pip project's codebases, issue trackers, chat
-rooms, and mailing lists is expected to follow the `PyPA Code of Conduct`_.
-
-.. _PyPA Code of Conduct: https://www.pypa.io/en/latest/code-of-conduct/
-
-

classifier/myenv/lib/python3.6/site-packages/pip-9.0.1.dist-info/RECORD

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-../../../bin/pip,sha256=BZ5XUh9I1BRLnSOOS1QrrMyNrU3dEhtqh0JBYY6LCxs,281
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classifier/myenv/lib/python3.6/site-packages/pip-9.0.1.dist-info/WHEEL

@@ -1,6 +0,0 @@
-Wheel-Version: 1.0
-Generator: bdist_wheel (0.30.0)
-Root-Is-Purelib: true
-Tag: py2-none-any
-Tag: py3-none-any
-

classifier/myenv/lib/python3.6/site-packages/pip-9.0.1.dist-info/entry_points.txt

@@ -1,5 +0,0 @@
-[console_scripts]
-pip = pip:main
-pip3 = pip:main
-pip3.6 = pip:main
-

classifier/myenv/lib/python3.6/site-packages/pip-9.0.1.dist-info/metadata.json

@@ -1 +0,0 @@
-{"classifiers": ["Development Status :: 5 - Production/Stable", "Intended Audience :: Developers", "License :: OSI Approved :: MIT License", "Topic :: Software Development :: Build Tools", "Programming Language :: Python :: 2", "Programming Language :: Python :: 2.6", "Programming Language :: Python :: 2.7", "Programming Language :: Python :: 3", "Programming Language :: Python :: 3.3", "Programming Language :: Python :: 3.4", "Programming Language :: Python :: 3.5", "Programming Language :: Python :: Implementation :: PyPy"], "extensions": {"python.commands": {"wrap_console": {"pip": "pip:main", "pip3": "pip:main", "pip3.6": "pip:main"}}, "python.details": {"contacts": [{"email": "python-virtualenv@groups.google.com", "name": "The pip developers", "role": "author"}], "document_names": {"description": "DESCRIPTION.rst"}, "project_urls": {"Home": "https://pip.pypa.io/"}}, "python.exports": {"console_scripts": {"pip": "pip:main", "pip3": "pip:main", "pip3.6": "pip:main"}}}, "extras": ["testing"], "generator": "bdist_wheel (0.30.0)", "keywords": ["easy_install", "distutils", "setuptools", "egg", "virtualenv"], "license": "MIT", "metadata_version": "2.0", "name": "pip", "requires_python": ">=2.6,!=3.0.*,!=3.1.*,!=3.2.*", "run_requires": [{"extra": "testing", "requires": ["mock", "pretend", "pytest", "scripttest (>=1.3)", "virtualenv (>=1.10)"]}], "summary": "The PyPA recommended tool for installing Python packages.", "test_requires": [{"requires": ["mock", "pretend", "pytest", "scripttest (>=1.3)", "virtualenv (>=1.10)"]}], "version": "9.0.1"}

classifier/myenv/lib/python3.6/site-packages/pip-9.0.1.dist-info/top_level.txt

@@ -1 +0,0 @@
-pip

classifier/myenv/lib/python3.6/site-packages/pip/__init__.py

@@ -1,338 +0,0 @@
-#!/usr/bin/env python
-from __future__ import absolute_import
-
-import locale
-import logging
-import os
-import optparse
-import warnings
-
-import sys
-import re
-
-# 2016-06-17 barry@debian.org: urllib3 1.14 added optional support for socks,
-# but if invoked (i.e. imported), it will issue a warning to stderr if socks
-# isn't available.  requests unconditionally imports urllib3's socks contrib
-# module, triggering this warning.  The warning breaks DEP-8 tests (because of
-# the stderr output) and is just plain annoying in normal usage.  I don't want
-# to add socks as yet another dependency for pip, nor do I want to allow-stder
-# in the DEP-8 tests, so just suppress the warning.  pdb tells me this has to
-# be done before the import of pip.vcs.
-try:
-  from pip._vendor.requests.packages.urllib3.exceptions import DependencyWarning
-except ImportError:
-  from urllib3.exceptions import DependencyWarning
-warnings.filterwarnings("ignore", category=DependencyWarning)  # noqa
-
-
-from pip.exceptions import InstallationError, CommandError, PipError
-from pip.utils import get_installed_distributions, get_prog
-from pip.utils import deprecation, dist_is_editable
-from pip.vcs import git, mercurial, subversion, bazaar  # noqa
-from pip.baseparser import ConfigOptionParser, UpdatingDefaultsHelpFormatter
-from pip.commands import get_summaries, get_similar_commands
-from pip.commands import commands_dict
-try:
-    from pip._vendor.requests.packages.urllib3.exceptions import (
-        InsecureRequestWarning,
-    )
-except ImportError:
-    from urllib3.exceptions import (
-        InsecureRequestWarning,
-    )
-
-# assignment for flake8 to be happy
-
-# This fixes a peculiarity when importing via __import__ - as we are
-# initialising the pip module, "from pip import cmdoptions" is recursive
-# and appears not to work properly in that situation.
-import pip.cmdoptions
-cmdoptions = pip.cmdoptions
-
-# The version as used in the setup.py and the docs conf.py
-__version__ = "9.0.1"
-
-
-logger = logging.getLogger(__name__)
-
-# Hide the InsecureRequestWarning from urllib3
-warnings.filterwarnings("ignore", category=InsecureRequestWarning)
-
-
-def autocomplete():
-    """Command and option completion for the main option parser (and options)
-    and its subcommands (and options).
-
-    Enable by sourcing one of the completion shell scripts (bash, zsh or fish).
-    """
-    # Don't complete if user hasn't sourced bash_completion file.
-    if 'PIP_AUTO_COMPLETE' not in os.environ:
-        return
-    cwords = os.environ['COMP_WORDS'].split()[1:]
-    cword = int(os.environ['COMP_CWORD'])
-    try:
-        current = cwords[cword - 1]
-    except IndexError:
-        current = ''
-
-    subcommands = [cmd for cmd, summary in get_summaries()]
-    options = []
-    # subcommand
-    try:
-        subcommand_name = [w for w in cwords if w in subcommands][0]
-    except IndexError:
-        subcommand_name = None
-
-    parser = create_main_parser()
-    # subcommand options
-    if subcommand_name:
-        # special case: 'help' subcommand has no options
-        if subcommand_name == 'help':
-            sys.exit(1)
-        # special case: list locally installed dists for uninstall command
-        if subcommand_name == 'uninstall' and not current.startswith('-'):
-            installed = []
-            lc = current.lower()
-            for dist in get_installed_distributions(local_only=True):
-                if dist.key.startswith(lc) and dist.key not in cwords[1:]:
-                    installed.append(dist.key)
-            # if there are no dists installed, fall back to option completion
-            if installed:
-                for dist in installed:
-                    print(dist)
-                sys.exit(1)
-
-        subcommand = commands_dict[subcommand_name]()
-        options += [(opt.get_opt_string(), opt.nargs)
-                    for opt in subcommand.parser.option_list_all
-                    if opt.help != optparse.SUPPRESS_HELP]
-
-        # filter out previously specified options from available options
-        prev_opts = [x.split('=')[0] for x in cwords[1:cword - 1]]
-        options = [(x, v) for (x, v) in options if x not in prev_opts]
-        # filter options by current input
-        options = [(k, v) for k, v in options if k.startswith(current)]
-        for option in options:
-            opt_label = option[0]
-            # append '=' to options which require args
-            if option[1]:
-                opt_label += '='
-            print(opt_label)
-    else:
-        # show main parser options only when necessary
-        if current.startswith('-') or current.startswith('--'):
-            opts = [i.option_list for i in parser.option_groups]
-            opts.append(parser.option_list)
-            opts = (o for it in opts for o in it)
-
-            subcommands += [i.get_opt_string() for i in opts
-                            if i.help != optparse.SUPPRESS_HELP]
-
-        print(' '.join([x for x in subcommands if x.startswith(current)]))
-    sys.exit(1)
-
-
-def create_main_parser():
-    parser_kw = {
-        'usage': '\n%prog <command> [options]',
-        'add_help_option': False,
-        'formatter': UpdatingDefaultsHelpFormatter(),
-        'name': 'global',
-        'prog': get_prog(),
-    }
-
-    parser = ConfigOptionParser(**parser_kw)
-    parser.disable_interspersed_args()
-
-    pip_pkg_dir = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
-    parser.version = 'pip %s from %s (python %s)' % (
-        __version__, pip_pkg_dir, sys.version[:3])
-
-    # add the general options
-    gen_opts = cmdoptions.make_option_group(cmdoptions.general_group, parser)
-    parser.add_option_group(gen_opts)
-
-    parser.main = True  # so the help formatter knows
-
-    # create command listing for description
-    command_summaries = get_summaries()
-    description = [''] + ['%-27s %s' % (i, j) for i, j in command_summaries]
-    parser.description = '\n'.join(description)
-
-    return parser
-
-
-def parseopts(args):
-    parser = create_main_parser()
-
-    # Note: parser calls disable_interspersed_args(), so the result of this
-    # call is to split the initial args into the general options before the
-    # subcommand and everything else.
-    # For example:
-    #  args: ['--timeout=5', 'install', '--user', 'INITools']
-    #  general_options: ['--timeout==5']
-    #  args_else: ['install', '--user', 'INITools']
-    general_options, args_else = parser.parse_args(args)
-
-    # --version
-    if general_options.version:
-        sys.stdout.write(parser.version)
-        sys.stdout.write(os.linesep)
-        sys.exit()
-
-    # pip || pip help -> print_help()
-    if not args_else or (args_else[0] == 'help' and len(args_else) == 1):
-        parser.print_help()
-        sys.exit()
-
-    # the subcommand name
-    cmd_name = args_else[0]
-
-    if cmd_name not in commands_dict:
-        guess = get_similar_commands(cmd_name)
-
-        msg = ['unknown command "%s"' % cmd_name]
-        if guess:
-            msg.append('maybe you meant "%s"' % guess)
-
-        raise CommandError(' - '.join(msg))
-
-    # all the args without the subcommand
-    cmd_args = args[:]
-    cmd_args.remove(cmd_name)
-
-    return cmd_name, cmd_args
-
-
-def check_isolated(args):
-    isolated = False
-
-    if "--isolated" in args:
-        isolated = True
-
-    return isolated
-
-
-def main(args=None):
-    if args is None:
-        args = sys.argv[1:]
-
-    # Configure our deprecation warnings to be sent through loggers
-    deprecation.install_warning_logger()
-
-    autocomplete()
-
-    try:
-        cmd_name, cmd_args = parseopts(args)
-    except PipError as exc:
-        sys.stderr.write("ERROR: %s" % exc)
-        sys.stderr.write(os.linesep)
-        sys.exit(1)
-
-    # Needed for locale.getpreferredencoding(False) to work
-    # in pip.utils.encoding.auto_decode
-    try:
-        locale.setlocale(locale.LC_ALL, '')
-    except locale.Error as e:
-        # setlocale can apparently crash if locale are uninitialized
-        logger.debug("Ignoring error %s when setting locale", e)
-    command = commands_dict[cmd_name](isolated=check_isolated(cmd_args))
-    return command.main(cmd_args)
-
-
-# ###########################################################
-# # Writing freeze files
-
-class FrozenRequirement(object):
-
-    def __init__(self, name, req, editable, comments=()):
-        self.name = name
-        self.req = req
-        self.editable = editable
-        self.comments = comments
-
-    _rev_re = re.compile(r'-r(\d+)$')
-    _date_re = re.compile(r'-(20\d\d\d\d\d\d)$')
-
-    @classmethod
-    def from_dist(cls, dist, dependency_links):
-        location = os.path.normcase(os.path.abspath(dist.location))
-        comments = []
-        from pip.vcs import vcs, get_src_requirement
-        if dist_is_editable(dist) and vcs.get_backend_name(location):
-            editable = True
-            try:
-                req = get_src_requirement(dist, location)
-            except InstallationError as exc:
-                logger.warning(
-                    "Error when trying to get requirement for VCS system %s, "
-                    "falling back to uneditable format", exc
-                )
-                req = None
-            if req is None:
-                logger.warning(
-                    'Could not determine repository location of %s', location
-                )
-                comments.append(
-                    '## !! Could not determine repository location'
-                )
-                req = dist.as_requirement()
-                editable = False
-        else:
-            editable = False
-            req = dist.as_requirement()
-            specs = req.specs
-            assert len(specs) == 1 and specs[0][0] in ["==", "==="], \
-                'Expected 1 spec with == or ===; specs = %r; dist = %r' % \
-                (specs, dist)
-            version = specs[0][1]
-            ver_match = cls._rev_re.search(version)
-            date_match = cls._date_re.search(version)
-            if ver_match or date_match:
-                svn_backend = vcs.get_backend('svn')
-                if svn_backend:
-                    svn_location = svn_backend().get_location(
-                        dist,
-                        dependency_links,
-                    )
-                if not svn_location:
-                    logger.warning(
-                        'Warning: cannot find svn location for %s', req)
-                    comments.append(
-                        '## FIXME: could not find svn URL in dependency_links '
-                        'for this package:'
-                    )
-                else:
-                    comments.append(
-                        '# Installing as editable to satisfy requirement %s:' %
-                        req
-                    )
-                    if ver_match:
-                        rev = ver_match.group(1)
-                    else:
-                        rev = '{%s}' % date_match.group(1)
-                    editable = True
-                    req = '%s@%s#egg=%s' % (
-                        svn_location,
-                        rev,
-                        cls.egg_name(dist)
-                    )
-        return cls(dist.project_name, req, editable, comments)
-
-    @staticmethod
-    def egg_name(dist):
-        name = dist.egg_name()
-        match = re.search(r'-py\d\.\d$', name)
-        if match:
-            name = name[:match.start()]
-        return name
-
-    def __str__(self):
-        req = self.req
-        if self.editable:
-            req = '-e %s' % req
-        return '\n'.join(list(self.comments) + [str(req)]) + '\n'
-
-
-if __name__ == '__main__':
-    sys.exit(main())

classifier/myenv/lib/python3.6/site-packages/pip/__main__.py

@@ -1,19 +0,0 @@
-from __future__ import absolute_import
-
-import os
-import sys
-
-# If we are running from a wheel, add the wheel to sys.path
-# This allows the usage python pip-*.whl/pip install pip-*.whl
-if __package__ == '':
-    # __file__ is pip-*.whl/pip/__main__.py
-    # first dirname call strips of '/__main__.py', second strips off '/pip'
-    # Resulting path is the name of the wheel itself
-    # Add that to sys.path so we can import pip
-    path = os.path.dirname(os.path.dirname(__file__))
-    sys.path.insert(0, path)
-
-import pip  # noqa
-
-if __name__ == '__main__':
-    sys.exit(pip.main())

classifier/myenv/lib/python3.6/site-packages/pip/_vendor/__init__.py

@@ -1,111 +0,0 @@
-"""
-pip._vendor is for vendoring dependencies of pip to prevent needing pip to
-depend on something external.
-
-Files inside of pip._vendor should be considered immutable and should only be
-updated to versions from upstream.
-"""
-from __future__ import absolute_import
-
-import glob
-import os.path
-import sys
-
-# Downstream redistributors which have debundled our dependencies should also
-# patch this value to be true. This will trigger the additional patching
-# to cause things like "six" to be available as pip.
-DEBUNDLED = True
-
-# By default, look in this directory for a bunch of .whl files which we will
-# add to the beginning of sys.path before attempting to import anything. This
-# is done to support downstream re-distributors like Debian and Fedora who
-# wish to create their own Wheels for our dependencies to aid in debundling.
-WHEEL_DIR = os.path.abspath(os.path.join(sys.prefix, 'share', 'python-wheels'))
-
-
-# Define a small helper function to alias our vendored modules to the real ones
-# if the vendored ones do not exist. This idea of this was taken from
-# https://github.com/kennethreitz/requests/pull/2567.
-def vendored(modulename):
-    vendored_name = "{0}.{1}".format(__name__, modulename)
-
-    try:
-        __import__(vendored_name, globals(), locals(), level=0)
-    except ImportError:
-        try:
-            __import__(modulename, globals(), locals(), level=0)
-        except ImportError:
-            # We can just silently allow import failures to pass here. If we
-            # got to this point it means that ``import pip._vendor.whatever``
-            # failed and so did ``import whatever``. Since we're importing this
-            # upfront in an attempt to alias imports, not erroring here will
-            # just mean we get a regular import error whenever pip *actually*
-            # tries to import one of these modules to use it, which actually
-            # gives us a better error message than we would have otherwise
-            # gotten.
-            pass
-        else:
-            sys.modules[vendored_name] = sys.modules[modulename]
-            base, head = vendored_name.rsplit(".", 1)
-            setattr(sys.modules[base], head, sys.modules[modulename])
-
-
-# If we're operating in a debundled setup, then we want to go ahead and trigger
-# the aliasing of our vendored libraries as well as looking for wheels to add
-# to our sys.path. This will cause all of this code to be a no-op typically
-# however downstream redistributors can enable it in a consistent way across
-# all platforms.
-if DEBUNDLED:
-    # Actually look inside of WHEEL_DIR to find .whl files and add them to the
-    # front of our sys.path.
-    sys.path[:] = glob.glob(os.path.join(WHEEL_DIR, "*.whl")) + sys.path
-
-    # Actually alias all of our vendored dependencies.
-    vendored("cachecontrol")
-    vendored("colorama")
-    vendored("distlib")
-    vendored("distro")
-    vendored("html5lib")
-    vendored("lockfile")
-    vendored("six")
-    vendored("six.moves")
-    vendored("six.moves.urllib")
-    vendored("packaging")
-    vendored("packaging.version")
-    vendored("packaging.specifiers")
-    vendored("pkg_resources")
-    vendored("progress")
-    vendored("retrying")
-    vendored("requests")
-    vendored("requests.packages")
-    vendored("requests.packages.urllib3")
-    vendored("requests.packages.urllib3._collections")
-    vendored("requests.packages.urllib3.connection")
-    vendored("requests.packages.urllib3.connectionpool")
-    vendored("requests.packages.urllib3.contrib")
-    vendored("requests.packages.urllib3.contrib.ntlmpool")
-    vendored("requests.packages.urllib3.contrib.pyopenssl")
-    vendored("requests.packages.urllib3.exceptions")
-    vendored("requests.packages.urllib3.fields")
-    vendored("requests.packages.urllib3.filepost")
-    vendored("requests.packages.urllib3.packages")
-    try:
-        vendored("requests.packages.urllib3.packages.ordered_dict")
-        vendored("requests.packages.urllib3.packages.six")
-    except ImportError:
-        # Debian already unbundles these from requests.
-        pass
-    vendored("requests.packages.urllib3.packages.ssl_match_hostname")
-    vendored("requests.packages.urllib3.packages.ssl_match_hostname."
-             "_implementation")
-    vendored("requests.packages.urllib3.poolmanager")
-    vendored("requests.packages.urllib3.request")
-    vendored("requests.packages.urllib3.response")
-    vendored("requests.packages.urllib3.util")
-    vendored("requests.packages.urllib3.util.connection")
-    vendored("requests.packages.urllib3.util.request")
-    vendored("requests.packages.urllib3.util.response")
-    vendored("requests.packages.urllib3.util.retry")
-    vendored("requests.packages.urllib3.util.ssl_")
-    vendored("requests.packages.urllib3.util.timeout")
-    vendored("requests.packages.urllib3.util.url")

classifier/myenv/lib/python3.6/site-packages/pip/basecommand.py

@@ -1,337 +0,0 @@
-"""Base Command class, and related routines"""
-from __future__ import absolute_import
-
-import logging
-import os
-import sys
-import optparse
-import warnings
-
-from pip import cmdoptions
-from pip.index import PackageFinder
-from pip.locations import running_under_virtualenv
-from pip.download import PipSession
-from pip.exceptions import (BadCommand, InstallationError, UninstallationError,
-                            CommandError, PreviousBuildDirError)
-
-from pip.compat import logging_dictConfig
-from pip.baseparser import ConfigOptionParser, UpdatingDefaultsHelpFormatter
-from pip.req import InstallRequirement, parse_requirements
-from pip.status_codes import (
-    SUCCESS, ERROR, UNKNOWN_ERROR, VIRTUALENV_NOT_FOUND,
-    PREVIOUS_BUILD_DIR_ERROR,
-)
-from pip.utils import deprecation, get_prog, normalize_path
-from pip.utils.logging import IndentingFormatter
-from pip.utils.outdated import pip_version_check
-
-
-__all__ = ['Command']
-
-
-logger = logging.getLogger(__name__)
-
-
-class Command(object):
-    name = None
-    usage = None
-    hidden = False
-    log_streams = ("ext://sys.stdout", "ext://sys.stderr")
-
-    def __init__(self, isolated=False):
-        parser_kw = {
-            'usage': self.usage,
-            'prog': '%s %s' % (get_prog(), self.name),
-            'formatter': UpdatingDefaultsHelpFormatter(),
-            'add_help_option': False,
-            'name': self.name,
-            'description': self.__doc__,
-            'isolated': isolated,
-        }
-
-        self.parser = ConfigOptionParser(**parser_kw)
-
-        # Commands should add options to this option group
-        optgroup_name = '%s Options' % self.name.capitalize()
-        self.cmd_opts = optparse.OptionGroup(self.parser, optgroup_name)
-
-        # Add the general options
-        gen_opts = cmdoptions.make_option_group(
-            cmdoptions.general_group,
-            self.parser,
-        )
-        self.parser.add_option_group(gen_opts)
-
-    def _build_session(self, options, retries=None, timeout=None):
-        session = PipSession(
-            cache=(
-                normalize_path(os.path.join(options.cache_dir, "http"))
-                if options.cache_dir else None
-            ),
-            retries=retries if retries is not None else options.retries,
-            insecure_hosts=options.trusted_hosts,
-        )
-
-        # Handle custom ca-bundles from the user
-        if options.cert:
-            session.verify = options.cert
-
-        # Handle SSL client certificate
-        if options.client_cert:
-            session.cert = options.client_cert
-
-        # Handle timeouts
-        if options.timeout or timeout:
-            session.timeout = (
-                timeout if timeout is not None else options.timeout
-            )
-
-        # Handle configured proxies
-        if options.proxy:
-            session.proxies = {
-                "http": options.proxy,
-                "https": options.proxy,
-            }
-
-        # Determine if we can prompt the user for authentication or not
-        session.auth.prompting = not options.no_input
-
-        return session
-
-    def parse_args(self, args):
-        # factored out for testability
-        return self.parser.parse_args(args)
-
-    def main(self, args):
-        options, args = self.parse_args(args)
-
-        if options.quiet:
-            if options.quiet == 1:
-                level = "WARNING"
-            if options.quiet == 2:
-                level = "ERROR"
-            else:
-                level = "CRITICAL"
-        elif options.verbose:
-            level = "DEBUG"
-        else:
-            level = "INFO"
-
-        # The root logger should match the "console" level *unless* we
-        # specified "--log" to send debug logs to a file.
-        root_level = level
-        if options.log:
-            root_level = "DEBUG"
-
-        logging_dictConfig({
-            "version": 1,
-            "disable_existing_loggers": False,
-            "filters": {
-                "exclude_warnings": {
-                    "()": "pip.utils.logging.MaxLevelFilter",
-                    "level": logging.WARNING,
-                },
-            },
-            "formatters": {
-                "indent": {
-                    "()": IndentingFormatter,
-                    "format": "%(message)s",
-                },
-            },
-            "handlers": {
-                "console": {
-                    "level": level,
-                    "class": "pip.utils.logging.ColorizedStreamHandler",
-                    "stream": self.log_streams[0],
-                    "filters": ["exclude_warnings"],
-                    "formatter": "indent",
-                },
-                "console_errors": {
-                    "level": "WARNING",
-                    "class": "pip.utils.logging.ColorizedStreamHandler",
-                    "stream": self.log_streams[1],
-                    "formatter": "indent",
-                },
-                "user_log": {
-                    "level": "DEBUG",
-                    "class": "pip.utils.logging.BetterRotatingFileHandler",
-                    "filename": options.log or "/dev/null",
-                    "delay": True,
-                    "formatter": "indent",
-                },
-            },
-            "root": {
-                "level": root_level,
-                "handlers": list(filter(None, [
-                    "console",
-                    "console_errors",
-                    "user_log" if options.log else None,
-                ])),
-            },
-            # Disable any logging besides WARNING unless we have DEBUG level
-            # logging enabled. These use both pip._vendor and the bare names
-            # for the case where someone unbundles our libraries.
-            "loggers": dict(
-                (
-                    name,
-                    {
-                        "level": (
-                            "WARNING"
-                            if level in ["INFO", "ERROR"]
-                            else "DEBUG"
-                        ),
-                    },
-                )
-                for name in ["pip._vendor", "distlib", "requests", "urllib3"]
-            ),
-        })
-
-        if sys.version_info[:2] == (2, 6):
-            warnings.warn(
-                "Python 2.6 is no longer supported by the Python core team, "
-                "please upgrade your Python. A future version of pip will "
-                "drop support for Python 2.6",
-                deprecation.Python26DeprecationWarning
-            )
-
-        # TODO: try to get these passing down from the command?
-        #      without resorting to os.environ to hold these.
-
-        if options.no_input:
-            os.environ['PIP_NO_INPUT'] = '1'
-
-        if options.exists_action:
-            os.environ['PIP_EXISTS_ACTION'] = ' '.join(options.exists_action)
-
-        if options.require_venv:
-            # If a venv is required check if it can really be found
-            if not running_under_virtualenv():
-                logger.critical(
-                    'Could not find an activated virtualenv (required).'
-                )
-                sys.exit(VIRTUALENV_NOT_FOUND)
-
-        try:
-            status = self.run(options, args)
-            # FIXME: all commands should return an exit status
-            # and when it is done, isinstance is not needed anymore
-            if isinstance(status, int):
-                return status
-        except PreviousBuildDirError as exc:
-            logger.critical(str(exc))
-            logger.debug('Exception information:', exc_info=True)
-
-            return PREVIOUS_BUILD_DIR_ERROR
-        except (InstallationError, UninstallationError, BadCommand) as exc:
-            logger.critical(str(exc))
-            logger.debug('Exception information:', exc_info=True)
-
-            return ERROR
-        except CommandError as exc:
-            logger.critical('ERROR: %s', exc)
-            logger.debug('Exception information:', exc_info=True)
-
-            return ERROR
-        except KeyboardInterrupt:
-            logger.critical('Operation cancelled by user')
-            logger.debug('Exception information:', exc_info=True)
-
-            return ERROR
-        except:
-            logger.critical('Exception:', exc_info=True)
-
-            return UNKNOWN_ERROR
-        finally:
-            # Check if we're using the latest version of pip available
-            if (not options.disable_pip_version_check and not
-                    getattr(options, "no_index", False)):
-                with self._build_session(
-                        options,
-                        retries=0,
-                        timeout=min(5, options.timeout)) as session:
-                    pip_version_check(session)
-
-        return SUCCESS
-
-
-class RequirementCommand(Command):
-
-    @staticmethod
-    def populate_requirement_set(requirement_set, args, options, finder,
-                                 session, name, wheel_cache):
-        """
-        Marshal cmd line args into a requirement set.
-        """
-        for filename in options.constraints:
-            for req in parse_requirements(
-                    filename,
-                    constraint=True, finder=finder, options=options,
-                    session=session, wheel_cache=wheel_cache):
-                requirement_set.add_requirement(req)
-
-        for req in args:
-            requirement_set.add_requirement(
-                InstallRequirement.from_line(
-                    req, None, isolated=options.isolated_mode,
-                    wheel_cache=wheel_cache
-                )
-            )
-
-        for req in options.editables:
-            requirement_set.add_requirement(
-                InstallRequirement.from_editable(
-                    req,
-                    default_vcs=options.default_vcs,
-                    isolated=options.isolated_mode,
-                    wheel_cache=wheel_cache
-                )
-            )
-
-        found_req_in_file = False
-        for filename in options.requirements:
-            for req in parse_requirements(
-                    filename,
-                    finder=finder, options=options, session=session,
-                    wheel_cache=wheel_cache):
-                found_req_in_file = True
-                requirement_set.add_requirement(req)
-        # If --require-hashes was a line in a requirements file, tell
-        # RequirementSet about it:
-        requirement_set.require_hashes = options.require_hashes
-
-        if not (args or options.editables or found_req_in_file):
-            opts = {'name': name}
-            if options.find_links:
-                msg = ('You must give at least one requirement to '
-                       '%(name)s (maybe you meant "pip %(name)s '
-                       '%(links)s"?)' %
-                       dict(opts, links=' '.join(options.find_links)))
-            else:
-                msg = ('You must give at least one requirement '
-                       'to %(name)s (see "pip help %(name)s")' % opts)
-            logger.warning(msg)
-
-    def _build_package_finder(self, options, session,
-                              platform=None, python_versions=None,
-                              abi=None, implementation=None):
-        """
-        Create a package finder appropriate to this requirement command.
-        """
-        index_urls = [options.index_url] + options.extra_index_urls
-        if options.no_index:
-            logger.debug('Ignoring indexes: %s', ','.join(index_urls))
-            index_urls = []
-
-        return PackageFinder(
-            find_links=options.find_links,
-            format_control=options.format_control,
-            index_urls=index_urls,
-            trusted_hosts=options.trusted_hosts,
-            allow_all_prereleases=options.pre,
-            process_dependency_links=options.process_dependency_links,
-            session=session,
-            platform=platform,
-            versions=python_versions,
-            abi=abi,
-            implementation=implementation,
-        )

classifier/myenv/lib/python3.6/site-packages/pip/baseparser.py

@@ -1,293 +0,0 @@
-"""Base option parser setup"""
-from __future__ import absolute_import
-
-import sys
-import optparse
-import os
-import re
-import textwrap
-from distutils.util import strtobool
-
-from pip._vendor.six import string_types
-from pip._vendor.six.moves import configparser
-from pip.locations import (
-    legacy_config_file, config_basename, running_under_virtualenv,
-    site_config_files
-)
-from pip.utils import appdirs, get_terminal_size
-
-
-_environ_prefix_re = re.compile(r"^PIP_", re.I)
-
-
-class PrettyHelpFormatter(optparse.IndentedHelpFormatter):
-    """A prettier/less verbose help formatter for optparse."""
-
-    def __init__(self, *args, **kwargs):
-        # help position must be aligned with __init__.parseopts.description
-        kwargs['max_help_position'] = 30
-        kwargs['indent_increment'] = 1
-        kwargs['width'] = get_terminal_size()[0] - 2
-        optparse.IndentedHelpFormatter.__init__(self, *args, **kwargs)
-
-    def format_option_strings(self, option):
-        return self._format_option_strings(option, ' <%s>', ', ')
-
-    def _format_option_strings(self, option, mvarfmt=' <%s>', optsep=', '):
-        """
-        Return a comma-separated list of option strings and metavars.
-
-        :param option:  tuple of (short opt, long opt), e.g: ('-f', '--format')
-        :param mvarfmt: metavar format string - evaluated as mvarfmt % metavar
-        :param optsep:  separator
-        """
-        opts = []
-
-        if option._short_opts:
-            opts.append(option._short_opts[0])
-        if option._long_opts:
-            opts.append(option._long_opts[0])
-        if len(opts) > 1:
-            opts.insert(1, optsep)
-
-        if option.takes_value():
-            metavar = option.metavar or option.dest.lower()
-            opts.append(mvarfmt % metavar.lower())
-
-        return ''.join(opts)
-
-    def format_heading(self, heading):
-        if heading == 'Options':
-            return ''
-        return heading + ':\n'
-
-    def format_usage(self, usage):
-        """
-        Ensure there is only one newline between usage and the first heading
-        if there is no description.
-        """
-        msg = '\nUsage: %s\n' % self.indent_lines(textwrap.dedent(usage), "  ")
-        return msg
-
-    def format_description(self, description):
-        # leave full control over description to us
-        if description:
-            if hasattr(self.parser, 'main'):
-                label = 'Commands'
-            else:
-                label = 'Description'
-            # some doc strings have initial newlines, some don't
-            description = description.lstrip('\n')
-            # some doc strings have final newlines and spaces, some don't
-            description = description.rstrip()
-            # dedent, then reindent
-            description = self.indent_lines(textwrap.dedent(description), "  ")
-            description = '%s:\n%s\n' % (label, description)
-            return description
-        else:
-            return ''
-
-    def format_epilog(self, epilog):
-        # leave full control over epilog to us
-        if epilog:
-            return epilog
-        else:
-            return ''
-
-    def indent_lines(self, text, indent):
-        new_lines = [indent + line for line in text.split('\n')]
-        return "\n".join(new_lines)
-
-
-class UpdatingDefaultsHelpFormatter(PrettyHelpFormatter):
-    """Custom help formatter for use in ConfigOptionParser.
-
-    This is updates the defaults before expanding them, allowing
-    them to show up correctly in the help listing.
-    """
-
-    def expand_default(self, option):
-        if self.parser is not None:
-            self.parser._update_defaults(self.parser.defaults)
-        return optparse.IndentedHelpFormatter.expand_default(self, option)
-
-
-class CustomOptionParser(optparse.OptionParser):
-
-    def insert_option_group(self, idx, *args, **kwargs):
-        """Insert an OptionGroup at a given position."""
-        group = self.add_option_group(*args, **kwargs)
-
-        self.option_groups.pop()
-        self.option_groups.insert(idx, group)
-
-        return group
-
-    @property
-    def option_list_all(self):
-        """Get a list of all options, including those in option groups."""
-        res = self.option_list[:]
-        for i in self.option_groups:
-            res.extend(i.option_list)
-
-        return res
-
-
-class ConfigOptionParser(CustomOptionParser):
-    """Custom option parser which updates its defaults by checking the
-    configuration files and environmental variables"""
-
-    isolated = False
-
-    def __init__(self, *args, **kwargs):
-        self.config = configparser.RawConfigParser()
-        self.name = kwargs.pop('name')
-        self.isolated = kwargs.pop("isolated", False)
-        self.files = self.get_config_files()
-        if self.files:
-            self.config.read(self.files)
-        assert self.name
-        optparse.OptionParser.__init__(self, *args, **kwargs)
-
-    def get_config_files(self):
-        # the files returned by this method will be parsed in order with the
-        # first files listed being overridden by later files in standard
-        # ConfigParser fashion
-        config_file = os.environ.get('PIP_CONFIG_FILE', False)
-        if config_file == os.devnull:
-            return []
-
-        # at the base we have any site-wide configuration
-        files = list(site_config_files)
-
-        # per-user configuration next
-        if not self.isolated:
-            if config_file and os.path.exists(config_file):
-                files.append(config_file)
-            else:
-                # This is the legacy config file, we consider it to be a lower
-                # priority than the new file location.
-                files.append(legacy_config_file)
-
-                # This is the new config file, we consider it to be a higher
-                # priority than the legacy file.
-                files.append(
-                    os.path.join(
-                        appdirs.user_config_dir("pip"),
-                        config_basename,
-                    )
-                )
-
-        # finally virtualenv configuration first trumping others
-        if running_under_virtualenv():
-            venv_config_file = os.path.join(
-                sys.prefix,
-                config_basename,
-            )
-            if os.path.exists(venv_config_file):
-                files.append(venv_config_file)
-
-        return files
-
-    def check_default(self, option, key, val):
-        try:
-            return option.check_value(key, val)
-        except optparse.OptionValueError as exc:
-            print("An error occurred during configuration: %s" % exc)
-            sys.exit(3)
-
-    def _update_defaults(self, defaults):
-        """Updates the given defaults with values from the config files and
-        the environ. Does a little special handling for certain types of
-        options (lists)."""
-        # Then go and look for the other sources of configuration:
-        config = {}
-        # 1. config files
-        for section in ('global', self.name):
-            config.update(
-                self.normalize_keys(self.get_config_section(section))
-            )
-        # 2. environmental variables
-        if not self.isolated:
-            config.update(self.normalize_keys(self.get_environ_vars()))
-        # Accumulate complex default state.
-        self.values = optparse.Values(self.defaults)
-        late_eval = set()
-        # Then set the options with those values
-        for key, val in config.items():
-            # ignore empty values
-            if not val:
-                continue
-
-            option = self.get_option(key)
-            # Ignore options not present in this parser. E.g. non-globals put
-            # in [global] by users that want them to apply to all applicable
-            # commands.
-            if option is None:
-                continue
-
-            if option.action in ('store_true', 'store_false', 'count'):
-                val = strtobool(val)
-            elif option.action == 'append':
-                val = val.split()
-                val = [self.check_default(option, key, v) for v in val]
-            elif option.action == 'callback':
-                late_eval.add(option.dest)
-                opt_str = option.get_opt_string()
-                val = option.convert_value(opt_str, val)
-                # From take_action
-                args = option.callback_args or ()
-                kwargs = option.callback_kwargs or {}
-                option.callback(option, opt_str, val, self, *args, **kwargs)
-            else:
-                val = self.check_default(option, key, val)
-
-            defaults[option.dest] = val
-
-        for key in late_eval:
-            defaults[key] = getattr(self.values, key)
-        self.values = None
-        return defaults
-
-    def normalize_keys(self, items):
-        """Return a config dictionary with normalized keys regardless of
-        whether the keys were specified in environment variables or in config
-        files"""
-        normalized = {}
-        for key, val in items:
-            key = key.replace('_', '-')
-            if not key.startswith('--'):
-                key = '--%s' % key  # only prefer long opts
-            normalized[key] = val
-        return normalized
-
-    def get_config_section(self, name):
-        """Get a section of a configuration"""
-        if self.config.has_section(name):
-            return self.config.items(name)
-        return []
-
-    def get_environ_vars(self):
-        """Returns a generator with all environmental vars with prefix PIP_"""
-        for key, val in os.environ.items():
-            if _environ_prefix_re.search(key):
-                yield (_environ_prefix_re.sub("", key).lower(), val)
-
-    def get_default_values(self):
-        """Overriding to make updating the defaults after instantiation of
-        the option parser possible, _update_defaults() does the dirty work."""
-        if not self.process_default_values:
-            # Old, pre-Optik 1.5 behaviour.
-            return optparse.Values(self.defaults)
-
-        defaults = self._update_defaults(self.defaults.copy())  # ours
-        for option in self._get_all_options():
-            default = defaults.get(option.dest)
-            if isinstance(default, string_types):
-                opt_str = option.get_opt_string()
-                defaults[option.dest] = option.check_value(opt_str, default)
-        return optparse.Values(defaults)
-
-    def error(self, msg):
-        self.print_usage(sys.stderr)
-        self.exit(2, "%s\n" % msg)

classifier/myenv/lib/python3.6/site-packages/pip/cmdoptions.py

@@ -1,633 +0,0 @@
-"""
-shared options and groups
-
-The principle here is to define options once, but *not* instantiate them
-globally. One reason being that options with action='append' can carry state
-between parses. pip parses general options twice internally, and shouldn't
-pass on state. To be consistent, all options will follow this design.
-
-"""
-from __future__ import absolute_import
-
-from functools import partial
-from optparse import OptionGroup, SUPPRESS_HELP, Option
-import warnings
-
-from pip.index import (
-    FormatControl, fmt_ctl_handle_mutual_exclude, fmt_ctl_no_binary,
-    fmt_ctl_no_use_wheel)
-from pip.models import PyPI
-from pip.locations import USER_CACHE_DIR, src_prefix
-from pip.utils.hashes import STRONG_HASHES
-
-
-def make_option_group(group, parser):
-    """
-    Return an OptionGroup object
-    group  -- assumed to be dict with 'name' and 'options' keys
-    parser -- an optparse Parser
-    """
-    option_group = OptionGroup(parser, group['name'])
-    for option in group['options']:
-        option_group.add_option(option())
-    return option_group
-
-
-def resolve_wheel_no_use_binary(options):
-    if not options.use_wheel:
-        control = options.format_control
-        fmt_ctl_no_use_wheel(control)
-
-
-def check_install_build_global(options, check_options=None):
-    """Disable wheels if per-setup.py call options are set.
-
-    :param options: The OptionParser options to update.
-    :param check_options: The options to check, if not supplied defaults to
-        options.
-    """
-    if check_options is None:
-        check_options = options
-
-    def getname(n):
-        return getattr(check_options, n, None)
-    names = ["build_options", "global_options", "install_options"]
-    if any(map(getname, names)):
-        control = options.format_control
-        fmt_ctl_no_binary(control)
-        warnings.warn(
-            'Disabling all use of wheels due to the use of --build-options '
-            '/ --global-options / --install-options.', stacklevel=2)
-
-
-###########
-# options #
-###########
-
-help_ = partial(
-    Option,
-    '-h', '--help',
-    dest='help',
-    action='help',
-    help='Show help.')
-
-isolated_mode = partial(
-    Option,
-    "--isolated",
-    dest="isolated_mode",
-    action="store_true",
-    default=False,
-    help=(
-        "Run pip in an isolated mode, ignoring environment variables and user "
-        "configuration."
-    ),
-)
-
-require_virtualenv = partial(
-    Option,
-    # Run only if inside a virtualenv, bail if not.
-    '--require-virtualenv', '--require-venv',
-    dest='require_venv',
-    action='store_true',
-    default=False,
-    help=SUPPRESS_HELP)
-
-verbose = partial(
-    Option,
-    '-v', '--verbose',
-    dest='verbose',
-    action='count',
-    default=0,
-    help='Give more output. Option is additive, and can be used up to 3 times.'
-)
-
-version = partial(
-    Option,
-    '-V', '--version',
-    dest='version',
-    action='store_true',
-    help='Show version and exit.')
-
-quiet = partial(
-    Option,
-    '-q', '--quiet',
-    dest='quiet',
-    action='count',
-    default=0,
-    help=('Give less output. Option is additive, and can be used up to 3'
-          ' times (corresponding to WARNING, ERROR, and CRITICAL logging'
-          ' levels).')
-)
-
-log = partial(
-    Option,
-    "--log", "--log-file", "--local-log",
-    dest="log",
-    metavar="path",
-    help="Path to a verbose appending log."
-)
-
-no_input = partial(
-    Option,
-    # Don't ask for input
-    '--no-input',
-    dest='no_input',
-    action='store_true',
-    default=False,
-    help=SUPPRESS_HELP)
-
-proxy = partial(
-    Option,
-    '--proxy',
-    dest='proxy',
-    type='str',
-    default='',
-    help="Specify a proxy in the form [user:passwd@]proxy.server:port.")
-
-retries = partial(
-    Option,
-    '--retries',
-    dest='retries',
-    type='int',
-    default=5,
-    help="Maximum number of retries each connection should attempt "
-         "(default %default times).")
-
-timeout = partial(
-    Option,
-    '--timeout', '--default-timeout',
-    metavar='sec',
-    dest='timeout',
-    type='float',
-    default=15,
-    help='Set the socket timeout (default %default seconds).')
-
-default_vcs = partial(
-    Option,
-    # The default version control system for editables, e.g. 'svn'
-    '--default-vcs',
-    dest='default_vcs',
-    type='str',
-    default='',
-    help=SUPPRESS_HELP)
-
-skip_requirements_regex = partial(
-    Option,
-    # A regex to be used to skip requirements
-    '--skip-requirements-regex',
-    dest='skip_requirements_regex',
-    type='str',
-    default='',
-    help=SUPPRESS_HELP)
-
-
-def exists_action():
-    return Option(
-        # Option when path already exist
-        '--exists-action',
-        dest='exists_action',
-        type='choice',
-        choices=['s', 'i', 'w', 'b', 'a'],
-        default=[],
-        action='append',
-        metavar='action',
-        help="Default action when a path already exists: "
-        "(s)witch, (i)gnore, (w)ipe, (b)ackup, (a)bort.")
-
-
-cert = partial(
-    Option,
-    '--cert',
-    dest='cert',
-    type='str',
-    metavar='path',
-    help="Path to alternate CA bundle.")
-
-client_cert = partial(
-    Option,
-    '--client-cert',
-    dest='client_cert',
-    type='str',
-    default=None,
-    metavar='path',
-    help="Path to SSL client certificate, a single file containing the "
-         "private key and the certificate in PEM format.")
-
-index_url = partial(
-    Option,
-    '-i', '--index-url', '--pypi-url',
-    dest='index_url',
-    metavar='URL',
-    default=PyPI.simple_url,
-    help="Base URL of Python Package Index (default %default). "
-         "This should point to a repository compliant with PEP 503 "
-         "(the simple repository API) or a local directory laid out "
-         "in the same format.")
-
-
-def extra_index_url():
-    return Option(
-        '--extra-index-url',
-        dest='extra_index_urls',
-        metavar='URL',
-        action='append',
-        default=[],
-        help="Extra URLs of package indexes to use in addition to "
-             "--index-url. Should follow the same rules as "
-             "--index-url."
-    )
-
-
-no_index = partial(
-    Option,
-    '--no-index',
-    dest='no_index',
-    action='store_true',
-    default=False,
-    help='Ignore package index (only looking at --find-links URLs instead).')
-
-
-def find_links():
-    return Option(
-        '-f', '--find-links',
-        dest='find_links',
-        action='append',
-        default=[],
-        metavar='url',
-        help="If a url or path to an html file, then parse for links to "
-             "archives. If a local path or file:// url that's a directory, "
-             "then look for archives in the directory listing.")
-
-
-def allow_external():
-    return Option(
-        "--allow-external",
-        dest="allow_external",
-        action="append",
-        default=[],
-        metavar="PACKAGE",
-        help=SUPPRESS_HELP,
-    )
-
-
-allow_all_external = partial(
-    Option,
-    "--allow-all-external",
-    dest="allow_all_external",
-    action="store_true",
-    default=False,
-    help=SUPPRESS_HELP,
-)
-
-
-def trusted_host():
-    return Option(
-        "--trusted-host",
-        dest="trusted_hosts",
-        action="append",
-        metavar="HOSTNAME",
-        default=[],
-        help="Mark this host as trusted, even though it does not have valid "
-             "or any HTTPS.",
-    )
-
-
-# Remove after 7.0
-no_allow_external = partial(
-    Option,
-    "--no-allow-external",
-    dest="allow_all_external",
-    action="store_false",
-    default=False,
-    help=SUPPRESS_HELP,
-)
-
-
-# Remove --allow-insecure after 7.0
-def allow_unsafe():
-    return Option(
-        "--allow-unverified", "--allow-insecure",
-        dest="allow_unverified",
-        action="append",
-        default=[],
-        metavar="PACKAGE",
-        help=SUPPRESS_HELP,
-    )
-
-# Remove after 7.0
-no_allow_unsafe = partial(
-    Option,
-    "--no-allow-insecure",
-    dest="allow_all_insecure",
-    action="store_false",
-    default=False,
-    help=SUPPRESS_HELP
-)
-
-# Remove after 1.5
-process_dependency_links = partial(
-    Option,
-    "--process-dependency-links",
-    dest="process_dependency_links",
-    action="store_true",
-    default=False,
-    help="Enable the processing of dependency links.",
-)
-
-
-def constraints():
-    return Option(
-        '-c', '--constraint',
-        dest='constraints',
-        action='append',
-        default=[],
-        metavar='file',
-        help='Constrain versions using the given constraints file. '
-        'This option can be used multiple times.')
-
-
-def requirements():
-    return Option(
-        '-r', '--requirement',
-        dest='requirements',
-        action='append',
-        default=[],
-        metavar='file',
-        help='Install from the given requirements file. '
-        'This option can be used multiple times.')
-
-
-def editable():
-    return Option(
-        '-e', '--editable',
-        dest='editables',
-        action='append',
-        default=[],
-        metavar='path/url',
-        help=('Install a project in editable mode (i.e. setuptools '
-              '"develop mode") from a local project path or a VCS url.'),
-    )
-
-src = partial(
-    Option,
-    '--src', '--source', '--source-dir', '--source-directory',
-    dest='src_dir',
-    metavar='dir',
-    default=src_prefix,
-    help='Directory to check out editable projects into. '
-    'The default in a virtualenv is "<venv path>/src". '
-    'The default for global installs is "<current dir>/src".'
-)
-
-# XXX: deprecated, remove in 9.0
-use_wheel = partial(
-    Option,
-    '--use-wheel',
-    dest='use_wheel',
-    action='store_true',
-    default=True,
-    help=SUPPRESS_HELP,
-)
-
-# XXX: deprecated, remove in 9.0
-no_use_wheel = partial(
-    Option,
-    '--no-use-wheel',
-    dest='use_wheel',
-    action='store_false',
-    default=True,
-    help=('Do not Find and prefer wheel archives when searching indexes and '
-          'find-links locations. DEPRECATED in favour of --no-binary.'),
-)
-
-
-def _get_format_control(values, option):
-    """Get a format_control object."""
-    return getattr(values, option.dest)
-
-
-def _handle_no_binary(option, opt_str, value, parser):
-    existing = getattr(parser.values, option.dest)
-    fmt_ctl_handle_mutual_exclude(
-        value, existing.no_binary, existing.only_binary)
-
-
-def _handle_only_binary(option, opt_str, value, parser):
-    existing = getattr(parser.values, option.dest)
-    fmt_ctl_handle_mutual_exclude(
-        value, existing.only_binary, existing.no_binary)
-
-
-def no_binary():
-    return Option(
-        "--no-binary", dest="format_control", action="callback",
-        callback=_handle_no_binary, type="str",
-        default=FormatControl(set(), set()),
-        help="Do not use binary packages. Can be supplied multiple times, and "
-             "each time adds to the existing value. Accepts either :all: to "
-             "disable all binary packages, :none: to empty the set, or one or "
-             "more package names with commas between them. Note that some "
-             "packages are tricky to compile and may fail to install when "
-             "this option is used on them.")
-
-
-def only_binary():
-    return Option(
-        "--only-binary", dest="format_control", action="callback",
-        callback=_handle_only_binary, type="str",
-        default=FormatControl(set(), set()),
-        help="Do not use source packages. Can be supplied multiple times, and "
-             "each time adds to the existing value. Accepts either :all: to "
-             "disable all source packages, :none: to empty the set, or one or "
-             "more package names with commas between them. Packages without "
-             "binary distributions will fail to install when this option is "
-             "used on them.")
-
-
-cache_dir = partial(
-    Option,
-    "--cache-dir",
-    dest="cache_dir",
-    default=USER_CACHE_DIR,
-    metavar="dir",
-    help="Store the cache data in <dir>."
-)
-
-no_cache = partial(
-    Option,
-    "--no-cache-dir",
-    dest="cache_dir",
-    action="store_false",
-    help="Disable the cache.",
-)
-
-no_deps = partial(
-    Option,
-    '--no-deps', '--no-dependencies',
-    dest='ignore_dependencies',
-    action='store_true',
-    default=False,
-    help="Don't install package dependencies.")
-
-build_dir = partial(
-    Option,
-    '-b', '--build', '--build-dir', '--build-directory',
-    dest='build_dir',
-    metavar='dir',
-    help='Directory to unpack packages into and build in.'
-)
-
-ignore_requires_python = partial(
-    Option,
-    '--ignore-requires-python',
-    dest='ignore_requires_python',
-    action='store_true',
-    help='Ignore the Requires-Python information.')
-
-install_options = partial(
-    Option,
-    '--install-option',
-    dest='install_options',
-    action='append',
-    metavar='options',
-    help="Extra arguments to be supplied to the setup.py install "
-         "command (use like --install-option=\"--install-scripts=/usr/local/"
-         "bin\"). Use multiple --install-option options to pass multiple "
-         "options to setup.py install. If you are using an option with a "
-         "directory path, be sure to use absolute path.")
-
-global_options = partial(
-    Option,
-    '--global-option',
-    dest='global_options',
-    action='append',
-    metavar='options',
-    help="Extra global options to be supplied to the setup.py "
-         "call before the install command.")
-
-no_clean = partial(
-    Option,
-    '--no-clean',
-    action='store_true',
-    default=False,
-    help="Don't clean up build directories.")
-
-pre = partial(
-    Option,
-    '--pre',
-    action='store_true',
-    default=False,
-    help="Include pre-release and development versions. By default, "
-         "pip only finds stable versions.")
-
-disable_pip_version_check = partial(
-    Option,
-    "--disable-pip-version-check",
-    dest="disable_pip_version_check",
-    action="store_true",
-    default=True,
-    help="Don't periodically check PyPI to determine whether a new version "
-         "of pip is available for download. Implied with --no-index.")
-
-# Deprecated, Remove later
-always_unzip = partial(
-    Option,
-    '-Z', '--always-unzip',
-    dest='always_unzip',
-    action='store_true',
-    help=SUPPRESS_HELP,
-)
-
-
-def _merge_hash(option, opt_str, value, parser):
-    """Given a value spelled "algo:digest", append the digest to a list
-    pointed to in a dict by the algo name."""
-    if not parser.values.hashes:
-        parser.values.hashes = {}
-    try:
-        algo, digest = value.split(':', 1)
-    except ValueError:
-        parser.error('Arguments to %s must be a hash name '
-                     'followed by a value, like --hash=sha256:abcde...' %
-                     opt_str)
-    if algo not in STRONG_HASHES:
-        parser.error('Allowed hash algorithms for %s are %s.' %
-                     (opt_str, ', '.join(STRONG_HASHES)))
-    parser.values.hashes.setdefault(algo, []).append(digest)
-
-
-hash = partial(
-    Option,
-    '--hash',
-    # Hash values eventually end up in InstallRequirement.hashes due to
-    # __dict__ copying in process_line().
-    dest='hashes',
-    action='callback',
-    callback=_merge_hash,
-    type='string',
-    help="Verify that the package's archive matches this "
-         'hash before installing. Example: --hash=sha256:abcdef...')
-
-
-require_hashes = partial(
-    Option,
-    '--require-hashes',
-    dest='require_hashes',
-    action='store_true',
-    default=False,
-    help='Require a hash to check each requirement against, for '
-         'repeatable installs. This option is implied when any package in a '
-         'requirements file has a --hash option.')
-
-
-##########
-# groups #
-##########
-
-general_group = {
-    'name': 'General Options',
-    'options': [
-        help_,
-        isolated_mode,
-        require_virtualenv,
-        verbose,
-        version,
-        quiet,
-        log,
-        no_input,
-        proxy,
-        retries,
-        timeout,
-        default_vcs,
-        skip_requirements_regex,
-        exists_action,
-        trusted_host,
-        cert,
-        client_cert,
-        cache_dir,
-        no_cache,
-        disable_pip_version_check,
-    ]
-}
-
-non_deprecated_index_group = {
-    'name': 'Package Index Options',
-    'options': [
-        index_url,
-        extra_index_url,
-        no_index,
-        find_links,
-        process_dependency_links,
-    ]
-}
-
-index_group = {
-    'name': 'Package Index Options (including deprecated options)',
-    'options': non_deprecated_index_group['options'] + [
-        allow_external,
-        allow_all_external,
-        no_allow_external,
-        allow_unsafe,
-        no_allow_unsafe,
-    ]
-}

classifier/myenv/lib/python3.6/site-packages/pip/commands/__init__.py

@@ -1,86 +0,0 @@
-"""
-Package containing all pip commands
-"""
-from __future__ import absolute_import
-
-from pip.commands.completion import CompletionCommand
-from pip.commands.download import DownloadCommand
-from pip.commands.freeze import FreezeCommand
-from pip.commands.hash import HashCommand
-from pip.commands.help import HelpCommand
-from pip.commands.list import ListCommand
-from pip.commands.check import CheckCommand
-from pip.commands.search import SearchCommand
-from pip.commands.show import ShowCommand
-from pip.commands.install import InstallCommand
-from pip.commands.uninstall import UninstallCommand
-from pip.commands.wheel import WheelCommand
-
-
-commands_dict = {
-    CompletionCommand.name: CompletionCommand,
-    FreezeCommand.name: FreezeCommand,
-    HashCommand.name: HashCommand,
-    HelpCommand.name: HelpCommand,
-    SearchCommand.name: SearchCommand,
-    ShowCommand.name: ShowCommand,
-    InstallCommand.name: InstallCommand,
-    UninstallCommand.name: UninstallCommand,
-    DownloadCommand.name: DownloadCommand,
-    ListCommand.name: ListCommand,
-    CheckCommand.name: CheckCommand,
-    WheelCommand.name: WheelCommand,
-}
-
-
-commands_order = [
-    InstallCommand,
-    DownloadCommand,
-    UninstallCommand,
-    FreezeCommand,
-    ListCommand,
-    ShowCommand,
-    CheckCommand,
-    SearchCommand,
-    WheelCommand,
-    HashCommand,
-    CompletionCommand,
-    HelpCommand,
-]
-
-
-def get_summaries(ordered=True):
-    """Yields sorted (command name, command summary) tuples."""
-
-    if ordered:
-        cmditems = _sort_commands(commands_dict, commands_order)
-    else:
-        cmditems = commands_dict.items()
-
-    for name, command_class in cmditems:
-        yield (name, command_class.summary)
-
-
-def get_similar_commands(name):
-    """Command name auto-correct."""
-    from difflib import get_close_matches
-
-    name = name.lower()
-
-    close_commands = get_close_matches(name, commands_dict.keys())
-
-    if close_commands:
-        return close_commands[0]
-    else:
-        return False
-
-
-def _sort_commands(cmddict, order):
-    def keyfn(key):
-        try:
-            return order.index(key[1])
-        except ValueError:
-            # unordered items should come last
-            return 0xff
-
-    return sorted(cmddict.items(), key=keyfn)

classifier/myenv/lib/python3.6/site-packages/pip/commands/check.py

@@ -1,39 +0,0 @@
-import logging
-
-from pip.basecommand import Command
-from pip.operations.check import check_requirements
-from pip.utils import get_installed_distributions
-
-
-logger = logging.getLogger(__name__)
-
-
-class CheckCommand(Command):
-    """Verify installed packages have compatible dependencies."""
-    name = 'check'
-    usage = """
-      %prog [options]"""
-    summary = 'Verify installed packages have compatible dependencies.'
-
-    def run(self, options, args):
-        dists = get_installed_distributions(local_only=False, skip=())
-        missing_reqs_dict, incompatible_reqs_dict = check_requirements(dists)
-
-        for dist in dists:
-            key = '%s==%s' % (dist.project_name, dist.version)
-
-            for requirement in missing_reqs_dict.get(key, []):
-                logger.info(
-                    "%s %s requires %s, which is not installed.",
-                    dist.project_name, dist.version, requirement.project_name)
-
-            for requirement, actual in incompatible_reqs_dict.get(key, []):
-                logger.info(
-                    "%s %s has requirement %s, but you have %s %s.",
-                    dist.project_name, dist.version, requirement,
-                    actual.project_name, actual.version)
-
-        if missing_reqs_dict or incompatible_reqs_dict:
-            return 1
-        else:
-            logger.info("No broken requirements found.")

classifier/myenv/lib/python3.6/site-packages/pip/commands/completion.py

@@ -1,81 +0,0 @@
-from __future__ import absolute_import
-
-import sys
-from pip.basecommand import Command
-
-BASE_COMPLETION = """
-# pip %(shell)s completion start%(script)s# pip %(shell)s completion end
-"""
-
-COMPLETION_SCRIPTS = {
-    'bash': """
-_pip_completion()
-{
-    COMPREPLY=( $( COMP_WORDS="${COMP_WORDS[*]}" \\
-                   COMP_CWORD=$COMP_CWORD \\
-                   PIP_AUTO_COMPLETE=1 $1 ) )
-}
-complete -o default -F _pip_completion pip
-""", 'zsh': """
-function _pip_completion {
-  local words cword
-  read -Ac words
-  read -cn cword
-  reply=( $( COMP_WORDS="$words[*]" \\
-             COMP_CWORD=$(( cword-1 )) \\
-             PIP_AUTO_COMPLETE=1 $words[1] ) )
-}
-compctl -K _pip_completion pip
-""", 'fish': """
-function __fish_complete_pip
-    set -lx COMP_WORDS (commandline -o) ""
-    set -lx COMP_CWORD (math (contains -i -- (commandline -t) $COMP_WORDS)-1)
-    set -lx PIP_AUTO_COMPLETE 1
-    string split \  -- (eval $COMP_WORDS[1])
-end
-complete -fa "(__fish_complete_pip)" -c pip
-"""}
-
-
-class CompletionCommand(Command):
-    """A helper command to be used for command completion."""
-    name = 'completion'
-    summary = 'A helper command used for command completion.'
-
-    def __init__(self, *args, **kw):
-        super(CompletionCommand, self).__init__(*args, **kw)
-
-        cmd_opts = self.cmd_opts
-
-        cmd_opts.add_option(
-            '--bash', '-b',
-            action='store_const',
-            const='bash',
-            dest='shell',
-            help='Emit completion code for bash')
-        cmd_opts.add_option(
-            '--zsh', '-z',
-            action='store_const',
-            const='zsh',
-            dest='shell',
-            help='Emit completion code for zsh')
-        cmd_opts.add_option(
-            '--fish', '-f',
-            action='store_const',
-            const='fish',
-            dest='shell',
-            help='Emit completion code for fish')
-
-        self.parser.insert_option_group(0, cmd_opts)
-
-    def run(self, options, args):
-        """Prints the completion code of the given shell"""
-        shells = COMPLETION_SCRIPTS.keys()
-        shell_options = ['--' + shell for shell in sorted(shells)]
-        if options.shell in shells:
-            script = COMPLETION_SCRIPTS.get(options.shell, '')
-            print(BASE_COMPLETION % {'script': script, 'shell': options.shell})
-        else:
-            sys.stderr.write(
-                'ERROR: You must pass %s\n' % ' or '.join(shell_options)
-            )

classifier/myenv/lib/python3.6/site-packages/pip/commands/download.py

@@ -1,212 +0,0 @@
-from __future__ import absolute_import
-
-import logging
-import os
-
-from pip.exceptions import CommandError
-from pip.index import FormatControl
-from pip.req import RequirementSet
-from pip.basecommand import RequirementCommand
-from pip import cmdoptions
-from pip.utils import ensure_dir, normalize_path
-from pip.utils.build import BuildDirectory
-from pip.utils.filesystem import check_path_owner
-
-
-logger = logging.getLogger(__name__)
-
-
-class DownloadCommand(RequirementCommand):
-    """
-    Download packages from:
-
-    - PyPI (and other indexes) using requirement specifiers.
-    - VCS project urls.
-    - Local project directories.
-    - Local or remote source archives.
-
-    pip also supports downloading from "requirements files", which provide
-    an easy way to specify a whole environment to be downloaded.
-    """
-    name = 'download'
-
-    usage = """
-      %prog [options] <requirement specifier> [package-index-options] ...
-      %prog [options] -r <requirements file> [package-index-options] ...
-      %prog [options] [-e] <vcs project url> ...
-      %prog [options] [-e] <local project path> ...
-      %prog [options] <archive url/path> ..."""
-
-    summary = 'Download packages.'
-
-    def __init__(self, *args, **kw):
-        super(DownloadCommand, self).__init__(*args, **kw)
-
-        cmd_opts = self.cmd_opts
-
-        cmd_opts.add_option(cmdoptions.constraints())
-        cmd_opts.add_option(cmdoptions.editable())
-        cmd_opts.add_option(cmdoptions.requirements())
-        cmd_opts.add_option(cmdoptions.build_dir())
-        cmd_opts.add_option(cmdoptions.no_deps())
-        cmd_opts.add_option(cmdoptions.global_options())
-        cmd_opts.add_option(cmdoptions.no_binary())
-        cmd_opts.add_option(cmdoptions.only_binary())
-        cmd_opts.add_option(cmdoptions.src())
-        cmd_opts.add_option(cmdoptions.pre())
-        cmd_opts.add_option(cmdoptions.no_clean())
-        cmd_opts.add_option(cmdoptions.require_hashes())
-
-        cmd_opts.add_option(
-            '-d', '--dest', '--destination-dir', '--destination-directory',
-            dest='download_dir',
-            metavar='dir',
-            default=os.curdir,
-            help=("Download packages into <dir>."),
-        )
-
-        cmd_opts.add_option(
-            '--platform',
-            dest='platform',
-            metavar='platform',
-            default=None,
-            help=("Only download wheels compatible with <platform>. "
-                  "Defaults to the platform of the running system."),
-        )
-
-        cmd_opts.add_option(
-            '--python-version',
-            dest='python_version',
-            metavar='python_version',
-            default=None,
-            help=("Only download wheels compatible with Python "
-                  "interpreter version <version>. If not specified, then the "
-                  "current system interpreter minor version is used. A major "
-                  "version (e.g. '2') can be specified to match all "
-                  "minor revs of that major version.  A minor version "
-                  "(e.g. '34') can also be specified."),
-        )
-
-        cmd_opts.add_option(
-            '--implementation',
-            dest='implementation',
-            metavar='implementation',
-            default=None,
-            help=("Only download wheels compatible with Python "
-                  "implementation <implementation>, e.g. 'pp', 'jy', 'cp', "
-                  " or 'ip'. If not specified, then the current "
-                  "interpreter implementation is used.  Use 'py' to force "
-                  "implementation-agnostic wheels."),
-        )
-
-        cmd_opts.add_option(
-            '--abi',
-            dest='abi',
-            metavar='abi',
-            default=None,
-            help=("Only download wheels compatible with Python "
-                  "abi <abi>, e.g. 'pypy_41'.  If not specified, then the "
-                  "current interpreter abi tag is used.  Generally "
-                  "you will need to specify --implementation, "
-                  "--platform, and --python-version when using "
-                  "this option."),
-        )
-
-        index_opts = cmdoptions.make_option_group(
-            cmdoptions.non_deprecated_index_group,
-            self.parser,
-        )
-
-        self.parser.insert_option_group(0, index_opts)
-        self.parser.insert_option_group(0, cmd_opts)
-
-    def run(self, options, args):
-        options.ignore_installed = True
-
-        if options.python_version:
-            python_versions = [options.python_version]
-        else:
-            python_versions = None
-
-        dist_restriction_set = any([
-            options.python_version,
-            options.platform,
-            options.abi,
-            options.implementation,
-        ])
-        binary_only = FormatControl(set(), set([':all:']))
-        if dist_restriction_set and options.format_control != binary_only:
-            raise CommandError(
-                "--only-binary=:all: must be set and --no-binary must not "
-                "be set (or must be set to :none:) when restricting platform "
-                "and interpreter constraints using --python-version, "
-                "--platform, --abi, or --implementation."
-            )
-
-        options.src_dir = os.path.abspath(options.src_dir)
-        options.download_dir = normalize_path(options.download_dir)
-
-        ensure_dir(options.download_dir)
-
-        with self._build_session(options) as session:
-            finder = self._build_package_finder(
-                options=options,
-                session=session,
-                platform=options.platform,
-                python_versions=python_versions,
-                abi=options.abi,
-                implementation=options.implementation,
-            )
-            build_delete = (not (options.no_clean or options.build_dir))
-            if options.cache_dir and not check_path_owner(options.cache_dir):
-                logger.warning(
-                    "The directory '%s' or its parent directory is not owned "
-                    "by the current user and caching wheels has been "
-                    "disabled. check the permissions and owner of that "
-                    "directory. If executing pip with sudo, you may want "
-                    "sudo's -H flag.",
-                    options.cache_dir,
-                )
-                options.cache_dir = None
-
-            with BuildDirectory(options.build_dir,
-                                delete=build_delete) as build_dir:
-
-                requirement_set = RequirementSet(
-                    build_dir=build_dir,
-                    src_dir=options.src_dir,
-                    download_dir=options.download_dir,
-                    ignore_installed=True,
-                    ignore_dependencies=options.ignore_dependencies,
-                    session=session,
-                    isolated=options.isolated_mode,
-                    require_hashes=options.require_hashes
-                )
-                self.populate_requirement_set(
-                    requirement_set,
-                    args,
-                    options,
-                    finder,
-                    session,
-                    self.name,
-                    None
-                )
-
-                if not requirement_set.has_requirements:
-                    return
-
-                requirement_set.prepare_files(finder)
-
-                downloaded = ' '.join([
-                    req.name for req in requirement_set.successfully_downloaded
-                ])
-                if downloaded:
-                    logger.info(
-                        'Successfully downloaded %s', downloaded
-                    )
-
-                # Clean up
-                if not options.no_clean:
-                    requirement_set.cleanup_files()
-
-        return requirement_set

classifier/myenv/lib/python3.6/site-packages/pip/commands/freeze.py

@@ -1,87 +0,0 @@
-from __future__ import absolute_import
-
-import sys
-
-import pip
-from pip.compat import stdlib_pkgs
-from pip.basecommand import Command
-from pip.operations.freeze import freeze
-from pip.wheel import WheelCache
-
-
-DEV_PKGS = ('pip', 'setuptools', 'distribute', 'wheel')
-
-
-class FreezeCommand(Command):
-    """
-    Output installed packages in requirements format.
-
-    packages are listed in a case-insensitive sorted order.
-    """
-    name = 'freeze'
-    usage = """
-      %prog [options]"""
-    summary = 'Output installed packages in requirements format.'
-    log_streams = ("ext://sys.stderr", "ext://sys.stderr")
-
-    def __init__(self, *args, **kw):
-        super(FreezeCommand, self).__init__(*args, **kw)
-
-        self.cmd_opts.add_option(
-            '-r', '--requirement',
-            dest='requirements',
-            action='append',
-            default=[],
-            metavar='file',
-            help="Use the order in the given requirements file and its "
-                 "comments when generating output. This option can be "
-                 "used multiple times.")
-        self.cmd_opts.add_option(
-            '-f', '--find-links',
-            dest='find_links',
-            action='append',
-            default=[],
-            metavar='URL',
-            help='URL for finding packages, which will be added to the '
-                 'output.')
-        self.cmd_opts.add_option(
-            '-l', '--local',
-            dest='local',
-            action='store_true',
-            default=False,
-            help='If in a virtualenv that has global access, do not output '
-                 'globally-installed packages.')
-        self.cmd_opts.add_option(
-            '--user',
-            dest='user',
-            action='store_true',
-            default=False,
-            help='Only output packages installed in user-site.')
-        self.cmd_opts.add_option(
-            '--all',
-            dest='freeze_all',
-            action='store_true',
-            help='Do not skip these packages in the output:'
-                 ' %s' % ', '.join(DEV_PKGS))
-
-        self.parser.insert_option_group(0, self.cmd_opts)
-
-    def run(self, options, args):
-        format_control = pip.index.FormatControl(set(), set())
-        wheel_cache = WheelCache(options.cache_dir, format_control)
-        skip = set(stdlib_pkgs)
-        if not options.freeze_all:
-            skip.update(DEV_PKGS)
-
-        freeze_kwargs = dict(
-            requirement=options.requirements,
-            find_links=options.find_links,
-            local_only=options.local,
-            user_only=options.user,
-            skip_regex=options.skip_requirements_regex,
-            isolated=options.isolated_mode,
-            wheel_cache=wheel_cache,
-            skip=skip)
-
-        for line in freeze(**freeze_kwargs):
-            sys.stdout.write(line + '\n')

classifier/myenv/lib/python3.6/site-packages/pip/commands/hash.py

@@ -1,57 +0,0 @@
-from __future__ import absolute_import
-
-import hashlib
-import logging
-import sys
-
-from pip.basecommand import Command
-from pip.status_codes import ERROR
-from pip.utils import read_chunks
-from pip.utils.hashes import FAVORITE_HASH, STRONG_HASHES
-
-
-logger = logging.getLogger(__name__)
-
-
-class HashCommand(Command):
-    """
-    Compute a hash of a local package archive.
-
-    These can be used with --hash in a requirements file to do repeatable
-    installs.
-
-    """
-    name = 'hash'
-    usage = '%prog [options] <file> ...'
-    summary = 'Compute hashes of package archives.'
-
-    def __init__(self, *args, **kw):
-        super(HashCommand, self).__init__(*args, **kw)
-        self.cmd_opts.add_option(
-            '-a', '--algorithm',
-            dest='algorithm',
-            choices=STRONG_HASHES,
-            action='store',
-            default=FAVORITE_HASH,
-            help='The hash algorithm to use: one of %s' %
-                 ', '.join(STRONG_HASHES))
-        self.parser.insert_option_group(0, self.cmd_opts)
-
-    def run(self, options, args):
-        if not args:
-            self.parser.print_usage(sys.stderr)
-            return ERROR
-
-        algorithm = options.algorithm
-        for path in args:
-            logger.info('%s:\n--hash=%s:%s',
-                        path, algorithm, _hash_of_file(path, algorithm))
-
-
-def _hash_of_file(path, algorithm):
-    """Return the hash digest of a file."""
-    with open(path, 'rb') as archive:
-        hash = hashlib.new(algorithm)
-        for chunk in read_chunks(archive):
-            hash.update(chunk)
-    return hash.hexdigest()

classifier/myenv/lib/python3.6/site-packages/pip/commands/help.py

@@ -1,35 +0,0 @@
-from __future__ import absolute_import
-
-from pip.basecommand import Command, SUCCESS
-from pip.exceptions import CommandError
-
-
-class HelpCommand(Command):
-    """Show help for commands"""
-    name = 'help'
-    usage = """
-      %prog <command>"""
-    summary = 'Show help for commands.'
-
-    def run(self, options, args):
-        from pip.commands import commands_dict, get_similar_commands
-
-        try:
-            # 'pip help' with no args is handled by pip.__init__.parseopt()
-            cmd_name = args[0]  # the command we need help for
-        except IndexError:
-            return SUCCESS
-
-        if cmd_name not in commands_dict:
-            guess = get_similar_commands(cmd_name)
-
-            msg = ['unknown command "%s"' % cmd_name]
-            if guess:
-                msg.append('maybe you meant "%s"' % guess)
-
-            raise CommandError(' - '.join(msg))
-
-        command = commands_dict[cmd_name]()
-        command.parser.print_help()
-
-        return SUCCESS

classifier/myenv/lib/python3.6/site-packages/pip/commands/install.py

@@ -1,455 +0,0 @@
-from __future__ import absolute_import
-
-import logging
-import operator
-import os
-import tempfile
-import shutil
-import warnings
-try:
-    import wheel
-except ImportError:
-    wheel = None
-
-from pip.req import RequirementSet
-from pip.basecommand import RequirementCommand
-from pip.locations import virtualenv_no_global, distutils_scheme
-from pip.exceptions import (
-    InstallationError, CommandError, PreviousBuildDirError,
-)
-from pip import cmdoptions
-from pip.utils import ensure_dir, get_installed_version
-from pip.utils.build import BuildDirectory
-from pip.utils.deprecation import RemovedInPip10Warning
-from pip.utils.filesystem import check_path_owner
-from pip.wheel import WheelCache, WheelBuilder
-
-from pip.locations import running_under_virtualenv
-
-logger = logging.getLogger(__name__)
-
-
-class InstallCommand(RequirementCommand):
-    """
-    Install packages from:
-
-    - PyPI (and other indexes) using requirement specifiers.
-    - VCS project urls.
-    - Local project directories.
-    - Local or remote source archives.
-
-    pip also supports installing from "requirements files", which provide
-    an easy way to specify a whole environment to be installed.
-    """
-    name = 'install'
-
-    usage = """
-      %prog [options] <requirement specifier> [package-index-options] ...
-      %prog [options] -r <requirements file> [package-index-options] ...
-      %prog [options] [-e] <vcs project url> ...
-      %prog [options] [-e] <local project path> ...
-      %prog [options] <archive url/path> ..."""
-
-    summary = 'Install packages.'
-
-    def __init__(self, *args, **kw):
-        super(InstallCommand, self).__init__(*args, **kw)
-
-        default_user = True
-        if running_under_virtualenv():
-            default_user = False
-        if os.geteuid() == 0:
-            default_user = False
-
-        cmd_opts = self.cmd_opts
-
-        cmd_opts.add_option(cmdoptions.constraints())
-        cmd_opts.add_option(cmdoptions.editable())
-        cmd_opts.add_option(cmdoptions.requirements())
-        cmd_opts.add_option(cmdoptions.build_dir())
-
-        cmd_opts.add_option(
-            '-t', '--target',
-            dest='target_dir',
-            metavar='dir',
-            default=None,
-            help='Install packages into <dir>. '
-                 'By default this will not replace existing files/folders in '
-                 '<dir>. Use --upgrade to replace existing packages in <dir> '
-                 'with new versions.'
-        )
-
-        cmd_opts.add_option(
-            '-d', '--download', '--download-dir', '--download-directory',
-            dest='download_dir',
-            metavar='dir',
-            default=None,
-            help=("Download packages into <dir> instead of installing them, "
-                  "regardless of what's already installed."),
-        )
-
-        cmd_opts.add_option(cmdoptions.src())
-
-        cmd_opts.add_option(
-            '-U', '--upgrade',
-            dest='upgrade',
-            action='store_true',
-            help='Upgrade all specified packages to the newest available '
-                 'version. The handling of dependencies depends on the '
-                 'upgrade-strategy used.'
-        )
-
-        cmd_opts.add_option(
-            '--upgrade-strategy',
-            dest='upgrade_strategy',
-            default='eager',
-            choices=['only-if-needed', 'eager'],
-            help='Determines how dependency upgrading should be handled. '
-                 '"eager" - dependencies are upgraded regardless of '
-                 'whether the currently installed version satisfies the '
-                 'requirements of the upgraded package(s). '
-                 '"only-if-needed" -  are upgraded only when they do not '
-                 'satisfy the requirements of the upgraded package(s).'
-        )
-
-        cmd_opts.add_option(
-            '--force-reinstall',
-            dest='force_reinstall',
-            action='store_true',
-            help='When upgrading, reinstall all packages even if they are '
-                 'already up-to-date.')
-
-        cmd_opts.add_option(
-            '-I', '--ignore-installed',
-            dest='ignore_installed',
-            action='store_true',
-            default=default_user,
-            help='Ignore the installed packages (reinstalling instead).')
-
-        cmd_opts.add_option(cmdoptions.ignore_requires_python())
-        cmd_opts.add_option(cmdoptions.no_deps())
-
-        cmd_opts.add_option(cmdoptions.install_options())
-        cmd_opts.add_option(cmdoptions.global_options())
-
-        cmd_opts.add_option(
-            '--user',
-            dest='use_user_site',
-            action='store_true',
-            default=default_user,
-            help="Install to the Python user install directory for your "
-                 "platform. Typically ~/.local/, or %APPDATA%\Python on "
-                 "Windows. (See the Python documentation for site.USER_BASE "
-                 "for full details.)  On Debian systems, this is the "
-                 "default when running outside of a virtual environment "
-                 "and not as root.")
-
-        cmd_opts.add_option(
-            '--system',
-            dest='use_user_site',
-            action='store_false',
-            help="Install using the system scheme (overrides --user on "
-                 "Debian systems)")
-
-        cmd_opts.add_option(
-            '--egg',
-            dest='as_egg',
-            action='store_true',
-            help="Install packages as eggs, not 'flat', like pip normally "
-                 "does. This option is not about installing *from* eggs. "
-                 "(WARNING: Because this option overrides pip's normal install"
-                 " logic, requirements files may not behave as expected.)")
-
-        cmd_opts.add_option(
-            '--root',
-            dest='root_path',
-            metavar='dir',
-            default=None,
-            help="Install everything relative to this alternate root "
-                 "directory.")
-
-        cmd_opts.add_option(
-            '--prefix',
-            dest='prefix_path',
-            metavar='dir',
-            default=None,
-            help="Installation prefix where lib, bin and other top-level "
-                 "folders are placed")
-
-        cmd_opts.add_option(
-            "--compile",
-            action="store_true",
-            dest="compile",
-            default=True,
-            help="Compile py files to pyc",
-        )
-
-        cmd_opts.add_option(
-            "--no-compile",
-            action="store_false",
-            dest="compile",
-            help="Do not compile py files to pyc",
-        )
-
-        cmd_opts.add_option(cmdoptions.use_wheel())
-        cmd_opts.add_option(cmdoptions.no_use_wheel())
-        cmd_opts.add_option(cmdoptions.no_binary())
-        cmd_opts.add_option(cmdoptions.only_binary())
-        cmd_opts.add_option(cmdoptions.pre())
-        cmd_opts.add_option(cmdoptions.no_clean())
-        cmd_opts.add_option(cmdoptions.require_hashes())
-
-        index_opts = cmdoptions.make_option_group(
-            cmdoptions.index_group,
-            self.parser,
-        )
-
-        self.parser.insert_option_group(0, index_opts)
-        self.parser.insert_option_group(0, cmd_opts)
-
-    def run(self, options, args):
-        cmdoptions.resolve_wheel_no_use_binary(options)
-        cmdoptions.check_install_build_global(options)
-
-        if options.as_egg:
-            warnings.warn(
-                "--egg has been deprecated and will be removed in the future. "
-                "This flag is mutually exclusive with large parts of pip, and "
-                "actually using it invalidates pip's ability to manage the "
-                "installation process.",
-                RemovedInPip10Warning,
-            )
-
-        if options.allow_external:
-            warnings.warn(
-                "--allow-external has been deprecated and will be removed in "
-                "the future. Due to changes in the repository protocol, it no "
-                "longer has any effect.",
-                RemovedInPip10Warning,
-            )
-
-        if options.allow_all_external:
-            warnings.warn(
-                "--allow-all-external has been deprecated and will be removed "
-                "in the future. Due to changes in the repository protocol, it "
-                "no longer has any effect.",
-                RemovedInPip10Warning,
-            )
-
-        if options.allow_unverified:
-            warnings.warn(
-                "--allow-unverified has been deprecated and will be removed "
-                "in the future. Due to changes in the repository protocol, it "
-                "no longer has any effect.",
-                RemovedInPip10Warning,
-            )
-
-        if options.download_dir:
-            warnings.warn(
-                "pip install --download has been deprecated and will be "
-                "removed in the future. Pip now has a download command that "
-                "should be used instead.",
-                RemovedInPip10Warning,
-            )
-            options.ignore_installed = True
-
-        if options.build_dir:
-            options.build_dir = os.path.abspath(options.build_dir)
-
-        options.src_dir = os.path.abspath(options.src_dir)
-        install_options = options.install_options or []
-        if options.use_user_site:
-            if options.prefix_path:
-                raise CommandError(
-                    "Can not combine '--user' and '--prefix' as they imply "
-                    "different installation locations"
-                )
-            if virtualenv_no_global():
-                raise InstallationError(
-                    "Can not perform a '--user' install. User site-packages "
-                    "are not visible in this virtualenv."
-                )
-            install_options.append('--user')
-            install_options.append('--prefix=')
-
-        temp_target_dir = None
-        if options.target_dir:
-            options.ignore_installed = True
-            temp_target_dir = tempfile.mkdtemp()
-            options.target_dir = os.path.abspath(options.target_dir)
-            if (os.path.exists(options.target_dir) and not
-                    os.path.isdir(options.target_dir)):
-                raise CommandError(
-                    "Target path exists but is not a directory, will not "
-                    "continue."
-                )
-            install_options.append('--home=' + temp_target_dir)
-
-        global_options = options.global_options or []
-
-        with self._build_session(options) as session:
-
-            finder = self._build_package_finder(options, session)
-            build_delete = (not (options.no_clean or options.build_dir))
-            wheel_cache = WheelCache(options.cache_dir, options.format_control)
-            if options.cache_dir and not check_path_owner(options.cache_dir):
-                logger.warning(
-                    "The directory '%s' or its parent directory is not owned "
-                    "by the current user and caching wheels has been "
-                    "disabled. check the permissions and owner of that "
-                    "directory. If executing pip with sudo, you may want "
-                    "sudo's -H flag.",
-                    options.cache_dir,
-                )
-                options.cache_dir = None
-
-            with BuildDirectory(options.build_dir,
-                                delete=build_delete) as build_dir:
-                requirement_set = RequirementSet(
-                    build_dir=build_dir,
-                    src_dir=options.src_dir,
-                    download_dir=options.download_dir,
-                    upgrade=options.upgrade,
-                    upgrade_strategy=options.upgrade_strategy,
-                    as_egg=options.as_egg,
-                    ignore_installed=options.ignore_installed,
-                    ignore_dependencies=options.ignore_dependencies,
-                    ignore_requires_python=options.ignore_requires_python,
-                    force_reinstall=options.force_reinstall,
-                    use_user_site=options.use_user_site,
-                    target_dir=temp_target_dir,
-                    session=session,
-                    pycompile=options.compile,
-                    isolated=options.isolated_mode,
-                    wheel_cache=wheel_cache,
-                    require_hashes=options.require_hashes,
-                )
-
-                self.populate_requirement_set(
-                    requirement_set, args, options, finder, session, self.name,
-                    wheel_cache
-                )
-
-                if not requirement_set.has_requirements:
-                    return
-
-                try:
-                    if (options.download_dir or not wheel or not
-                            options.cache_dir):
-                        # on -d don't do complex things like building
-                        # wheels, and don't try to build wheels when wheel is
-                        # not installed.
-                        requirement_set.prepare_files(finder)
-                    else:
-                        # build wheels before install.
-                        wb = WheelBuilder(
-                            requirement_set,
-                            finder,
-                            build_options=[],
-                            global_options=[],
-                        )
-                        # Ignore the result: a failed wheel will be
-                        # installed from the sdist/vcs whatever.
-                        wb.build(autobuilding=True)
-
-                    if not options.download_dir:
-                        requirement_set.install(
-                            install_options,
-                            global_options,
-                            root=options.root_path,
-                            prefix=options.prefix_path,
-                        )
-
-                        possible_lib_locations = get_lib_location_guesses(
-                            user=options.use_user_site,
-                            home=temp_target_dir,
-                            root=options.root_path,
-                            prefix=options.prefix_path,
-                            isolated=options.isolated_mode,
-                        )
-                        reqs = sorted(
-                            requirement_set.successfully_installed,
-                            key=operator.attrgetter('name'))
-                        items = []
-                        for req in reqs:
-                            item = req.name
-                            try:
-                                installed_version = get_installed_version(
-                                    req.name, possible_lib_locations
-                                )
-                                if installed_version:
-                                    item += '-' + installed_version
-                            except Exception:
-                                pass
-                            items.append(item)
-                        installed = ' '.join(items)
-                        if installed:
-                            logger.info('Successfully installed %s', installed)
-                    else:
-                        downloaded = ' '.join([
-                            req.name
-                            for req in requirement_set.successfully_downloaded
-                        ])
-                        if downloaded:
-                            logger.info(
-                                'Successfully downloaded %s', downloaded
-                            )
-                except PreviousBuildDirError:
-                    options.no_clean = True
-                    raise
-                finally:
-                    # Clean up
-                    if not options.no_clean:
-                        requirement_set.cleanup_files()
-
-        if options.target_dir:
-            ensure_dir(options.target_dir)
-
-            # Checking both purelib and platlib directories for installed
-            # packages to be moved to target directory
-            lib_dir_list = []
-
-            purelib_dir = distutils_scheme('', home=temp_target_dir)['purelib']
-            platlib_dir = distutils_scheme('', home=temp_target_dir)['platlib']
-
-            if os.path.exists(purelib_dir):
-                lib_dir_list.append(purelib_dir)
-            if os.path.exists(platlib_dir) and platlib_dir != purelib_dir:
-                lib_dir_list.append(platlib_dir)
-
-            for lib_dir in lib_dir_list:
-                for item in os.listdir(lib_dir):
-                    target_item_dir = os.path.join(options.target_dir, item)
-                    if os.path.exists(target_item_dir):
-                        if not options.upgrade:
-                            logger.warning(
-                                'Target directory %s already exists. Specify '
-                                '--upgrade to force replacement.',
-                                target_item_dir
-                            )
-                            continue
-                        if os.path.islink(target_item_dir):
-                            logger.warning(
-                                'Target directory %s already exists and is '
-                                'a link. Pip will not automatically replace '
-                                'links, please remove if replacement is '
-                                'desired.',
-                                target_item_dir
-                            )
-                            continue
-                        if os.path.isdir(target_item_dir):
-                            shutil.rmtree(target_item_dir)
-                        else:
-                            os.remove(target_item_dir)
-
-                    shutil.move(
-                        os.path.join(lib_dir, item),
-                        target_item_dir
-                    )
-            shutil.rmtree(temp_target_dir)
-        return requirement_set
-
-
-def get_lib_location_guesses(*args, **kwargs):
-    scheme = distutils_scheme('', *args, **kwargs)
-    return [scheme['purelib'], scheme['platlib']]

classifier/myenv/lib/python3.6/site-packages/pip/commands/list.py

@@ -1,337 +0,0 @@
-from __future__ import absolute_import
-
-import json
-import logging
-import warnings
-try:
-    from itertools import zip_longest
-except ImportError:
-    from itertools import izip_longest as zip_longest
-
-from pip._vendor import six
-
-from pip.basecommand import Command
-from pip.exceptions import CommandError
-from pip.index import PackageFinder
-from pip.utils import (
-    get_installed_distributions, dist_is_editable)
-from pip.utils.deprecation import RemovedInPip10Warning
-from pip.cmdoptions import make_option_group, index_group
-
-logger = logging.getLogger(__name__)
-
-
-class ListCommand(Command):
-    """
-    List installed packages, including editables.
-
-    Packages are listed in a case-insensitive sorted order.
-    """
-    name = 'list'
-    usage = """
-      %prog [options]"""
-    summary = 'List installed packages.'
-
-    def __init__(self, *args, **kw):
-        super(ListCommand, self).__init__(*args, **kw)
-
-        cmd_opts = self.cmd_opts
-
-        cmd_opts.add_option(
-            '-o', '--outdated',
-            action='store_true',
-            default=False,
-            help='List outdated packages')
-        cmd_opts.add_option(
-            '-u', '--uptodate',
-            action='store_true',
-            default=False,
-            help='List uptodate packages')
-        cmd_opts.add_option(
-            '-e', '--editable',
-            action='store_true',
-            default=False,
-            help='List editable projects.')
-        cmd_opts.add_option(
-            '-l', '--local',
-            action='store_true',
-            default=False,
-            help=('If in a virtualenv that has global access, do not list '
-                  'globally-installed packages.'),
-        )
-        self.cmd_opts.add_option(
-            '--user',
-            dest='user',
-            action='store_true',
-            default=False,
-            help='Only output packages installed in user-site.')
-
-        cmd_opts.add_option(
-            '--pre',
-            action='store_true',
-            default=False,
-            help=("Include pre-release and development versions. By default, "
-                  "pip only finds stable versions."),
-        )
-
-        cmd_opts.add_option(
-            '--format',
-            action='store',
-            dest='list_format',
-            choices=('legacy', 'columns', 'freeze', 'json'),
-            help="Select the output format among: legacy (default), columns, "
-                 "freeze or json.",
-        )
-
-        cmd_opts.add_option(
-            '--not-required',
-            action='store_true',
-            dest='not_required',
-            help="List packages that are not dependencies of "
-                 "installed packages.",
-        )
-
-        index_opts = make_option_group(index_group, self.parser)
-
-        self.parser.insert_option_group(0, index_opts)
-        self.parser.insert_option_group(0, cmd_opts)
-
-    def _build_package_finder(self, options, index_urls, session):
-        """
-        Create a package finder appropriate to this list command.
-        """
-        return PackageFinder(
-            find_links=options.find_links,
-            index_urls=index_urls,
-            allow_all_prereleases=options.pre,
-            trusted_hosts=options.trusted_hosts,
-            process_dependency_links=options.process_dependency_links,
-            session=session,
-        )
-
-    def run(self, options, args):
-        if options.allow_external:
-            warnings.warn(
-                "--allow-external has been deprecated and will be removed in "
-                "the future. Due to changes in the repository protocol, it no "
-                "longer has any effect.",
-                RemovedInPip10Warning,
-            )
-
-        if options.allow_all_external:
-            warnings.warn(
-                "--allow-all-external has been deprecated and will be removed "
-                "in the future. Due to changes in the repository protocol, it "
-                "no longer has any effect.",
-                RemovedInPip10Warning,
-            )
-
-        if options.allow_unverified:
-            warnings.warn(
-                "--allow-unverified has been deprecated and will be removed "
-                "in the future. Due to changes in the repository protocol, it "
-                "no longer has any effect.",
-                RemovedInPip10Warning,
-            )
-
-        if options.list_format is None:
-            warnings.warn(
-                "The default format will switch to columns in the future. "
-                "You can use --format=(legacy|columns) (or define a "
-                "format=(legacy|columns) in your pip.conf under the [list] "
-                "section) to disable this warning.",
-                RemovedInPip10Warning,
-            )
-
-        if options.outdated and options.uptodate:
-            raise CommandError(
-                "Options --outdated and --uptodate cannot be combined.")
-
-        packages = get_installed_distributions(
-            local_only=options.local,
-            user_only=options.user,
-            editables_only=options.editable,
-        )
-
-        if options.outdated:
-            packages = self.get_outdated(packages, options)
-        elif options.uptodate:
-            packages = self.get_uptodate(packages, options)
-
-        if options.not_required:
-            packages = self.get_not_required(packages, options)
-
-        self.output_package_listing(packages, options)
-
-    def get_outdated(self, packages, options):
-        return [
-            dist for dist in self.iter_packages_latest_infos(packages, options)
-            if dist.latest_version > dist.parsed_version
-        ]
-
-    def get_uptodate(self, packages, options):
-        return [
-            dist for dist in self.iter_packages_latest_infos(packages, options)
-            if dist.latest_version == dist.parsed_version
-        ]
-
-    def get_not_required(self, packages, options):
-        dep_keys = set()
-        for dist in packages:
-            dep_keys.update(requirement.key for requirement in dist.requires())
-        return set(pkg for pkg in packages if pkg.key not in dep_keys)
-
-    def iter_packages_latest_infos(self, packages, options):
-        index_urls = [options.index_url] + options.extra_index_urls
-        if options.no_index:
-            logger.debug('Ignoring indexes: %s', ','.join(index_urls))
-            index_urls = []
-
-        dependency_links = []
-        for dist in packages:
-            if dist.has_metadata('dependency_links.txt'):
-                dependency_links.extend(
-                    dist.get_metadata_lines('dependency_links.txt'),
-                )
-
-        with self._build_session(options) as session:
-            finder = self._build_package_finder(options, index_urls, session)
-            finder.add_dependency_links(dependency_links)
-
-            for dist in packages:
-                typ = 'unknown'
-                all_candidates = finder.find_all_candidates(dist.key)
-                if not options.pre:
-                    # Remove prereleases
-                    all_candidates = [candidate for candidate in all_candidates
-                                      if not candidate.version.is_prerelease]
-
-                if not all_candidates:
-                    continue
-                best_candidate = max(all_candidates,
-                                     key=finder._candidate_sort_key)
-                remote_version = best_candidate.version
-                if best_candidate.location.is_wheel:
-                    typ = 'wheel'
-                else:
-                    typ = 'sdist'
-                # This is dirty but makes the rest of the code much cleaner
-                dist.latest_version = remote_version
-                dist.latest_filetype = typ
-                yield dist
-
-    def output_legacy(self, dist):
-        if dist_is_editable(dist):
-            return '%s (%s, %s)' % (
-                dist.project_name,
-                dist.version,
-                dist.location,
-            )
-        else:
-            return '%s (%s)' % (dist.project_name, dist.version)
-
-    def output_legacy_latest(self, dist):
-        return '%s - Latest: %s [%s]' % (
-            self.output_legacy(dist),
-            dist.latest_version,
-            dist.latest_filetype,
-        )
-
-    def output_package_listing(self, packages, options):
-        packages = sorted(
-            packages,
-            key=lambda dist: dist.project_name.lower(),
-        )
-        if options.list_format == 'columns' and packages:
-            data, header = format_for_columns(packages, options)
-            self.output_package_listing_columns(data, header)
-        elif options.list_format == 'freeze':
-            for dist in packages:
-                logger.info("%s==%s", dist.project_name, dist.version)
-        elif options.list_format == 'json':
-            logger.info(format_for_json(packages, options))
-        else:  # legacy
-            for dist in packages:
-                if options.outdated:
-                    logger.info(self.output_legacy_latest(dist))
-                else:
-                    logger.info(self.output_legacy(dist))
-
-    def output_package_listing_columns(self, data, header):
-        # insert the header first: we need to know the size of column names
-        if len(data) > 0:
-            data.insert(0, header)
-
-        pkg_strings, sizes = tabulate(data)
-
-        # Create and add a separator.
-        if len(data) > 0:
-            pkg_strings.insert(1, " ".join(map(lambda x: '-' * x, sizes)))
-
-        for val in pkg_strings:
-            logger.info(val)
-
-
-def tabulate(vals):
-    # From pfmoore on GitHub:
-    # https://github.com/pypa/pip/issues/3651#issuecomment-216932564
-    assert len(vals) > 0
-
-    sizes = [0] * max(len(x) for x in vals)
-    for row in vals:
-        sizes = [max(s, len(str(c))) for s, c in zip_longest(sizes, row)]
-
-    result = []
-    for row in vals:
-        display = " ".join([str(c).ljust(s) if c is not None else ''
-                            for s, c in zip_longest(sizes, row)])
-        result.append(display)
-
-    return result, sizes
-
-
-def format_for_columns(pkgs, options):
-    """
-    Convert the package data into something usable
-    by output_package_listing_columns.
-    """
-    running_outdated = options.outdated
-    # Adjust the header for the `pip list --outdated` case.
-    if running_outdated:
-        header = ["Package", "Version", "Latest", "Type"]
-    else:
-        header = ["Package", "Version"]
-
-    data = []
-    if any(dist_is_editable(x) for x in pkgs):
-        header.append("Location")
-
-    for proj in pkgs:
-        # if we're working on the 'outdated' list, separate out the
-        # latest_version and type
-        row = [proj.project_name, proj.version]
-
-        if running_outdated:
-            row.append(proj.latest_version)
-            row.append(proj.latest_filetype)
-
-        if dist_is_editable(proj):
-            row.append(proj.location)
-
-        data.append(row)
-
-    return data, header
-
-
-def format_for_json(packages, options):
-    data = []
-    for dist in packages:
-        info = {
-            'name': dist.project_name,
-            'version': six.text_type(dist.version),
-        }
-        if options.outdated:
-            info['latest_version'] = six.text_type(dist.latest_version)
-            info['latest_filetype'] = dist.latest_filetype
-        data.append(info)
-    return json.dumps(data)

classifier/myenv/lib/python3.6/site-packages/pip/commands/search.py

@@ -1,133 +0,0 @@
-from __future__ import absolute_import
-
-import logging
-import sys
-import textwrap
-
-from pip.basecommand import Command, SUCCESS
-from pip.compat import OrderedDict
-from pip.download import PipXmlrpcTransport
-from pip.models import PyPI
-from pip.utils import get_terminal_size
-from pip.utils.logging import indent_log
-from pip.exceptions import CommandError
-from pip.status_codes import NO_MATCHES_FOUND
-from pip._vendor.packaging.version import parse as parse_version
-from pip._vendor import pkg_resources
-from pip._vendor.six.moves import xmlrpc_client
-
-
-logger = logging.getLogger(__name__)
-
-
-class SearchCommand(Command):
-    """Search for PyPI packages whose name or summary contains <query>."""
-    name = 'search'
-    usage = """
-      %prog [options] <query>"""
-    summary = 'Search PyPI for packages.'
-
-    def __init__(self, *args, **kw):
-        super(SearchCommand, self).__init__(*args, **kw)
-        self.cmd_opts.add_option(
-            '-i', '--index',
-            dest='index',
-            metavar='URL',
-            default=PyPI.pypi_url,
-            help='Base URL of Python Package Index (default %default)')
-
-        self.parser.insert_option_group(0, self.cmd_opts)
-
-    def run(self, options, args):
-        if not args:
-            raise CommandError('Missing required argument (search query).')
-        query = args
-        pypi_hits = self.search(query, options)
-        hits = transform_hits(pypi_hits)
-
-        terminal_width = None
-        if sys.stdout.isatty():
-            terminal_width = get_terminal_size()[0]
-
-        print_results(hits, terminal_width=terminal_width)
-        if pypi_hits:
-            return SUCCESS
-        return NO_MATCHES_FOUND
-
-    def search(self, query, options):
-        index_url = options.index
-        with self._build_session(options) as session:
-            transport = PipXmlrpcTransport(index_url, session)
-            pypi = xmlrpc_client.ServerProxy(index_url, transport)
-            hits = pypi.search({'name': query, 'summary': query}, 'or')
-            return hits
-
-
-def transform_hits(hits):
-    """
-    The list from pypi is really a list of versions. We want a list of
-    packages with the list of versions stored inline. This converts the
-    list from pypi into one we can use.
-    """
-    packages = OrderedDict()
-    for hit in hits:
-        name = hit['name']
-        summary = hit['summary']
-        version = hit['version']
-
-        if name not in packages.keys():
-            packages[name] = {
-                'name': name,
-                'summary': summary,
-                'versions': [version],
-            }
-        else:
-            packages[name]['versions'].append(version)
-
-            # if this is the highest version, replace summary and score
-            if version == highest_version(packages[name]['versions']):
-                packages[name]['summary'] = summary
-
-    return list(packages.values())
-
-
-def print_results(hits, name_column_width=None, terminal_width=None):
-    if not hits:
-        return
-    if name_column_width is None:
-        name_column_width = max([
-            len(hit['name']) + len(hit.get('versions', ['-'])[-1])
-            for hit in hits
-        ]) + 4
-
-    installed_packages = [p.project_name for p in pkg_resources.working_set]
-    for hit in hits:
-        name = hit['name']
-        summary = hit['summary'] or ''
-        version = hit.get('versions', ['-'])[-1]
-        if terminal_width is not None:
-            target_width = terminal_width - name_column_width - 5
-            if target_width > 10:
-                # wrap and indent summary to fit terminal
-                summary = textwrap.wrap(summary, target_width)
-                summary = ('\n' + ' ' * (name_column_width + 3)).join(summary)
-
-        line = '%-*s - %s' % (name_column_width,
-                              '%s (%s)' % (name, version), summary)
-        try:
-            logger.info(line)
-            if name in installed_packages:
-                dist = pkg_resources.get_distribution(name)
-                with indent_log():
-                    latest = highest_version(hit['versions'])
-                    if dist.version == latest:
-                        logger.info('INSTALLED: %s (latest)', dist.version)
-                    else:
-                        logger.info('INSTALLED: %s', dist.version)
-                        logger.info('LATEST:    %s', latest)
-        except UnicodeEncodeError:
-            pass
-
-
-def highest_version(versions):
-    return max(versions, key=parse_version)

classifier/myenv/lib/python3.6/site-packages/pip/commands/show.py

@@ -1,154 +0,0 @@
-from __future__ import absolute_import
-
-from email.parser import FeedParser
-import logging
-import os
-
-from pip.basecommand import Command
-from pip.status_codes import SUCCESS, ERROR
-from pip._vendor import pkg_resources
-from pip._vendor.packaging.utils import canonicalize_name
-
-
-logger = logging.getLogger(__name__)
-
-
-class ShowCommand(Command):
-    """Show information about one or more installed packages."""
-    name = 'show'
-    usage = """
-      %prog [options] <package> ..."""
-    summary = 'Show information about installed packages.'
-
-    def __init__(self, *args, **kw):
-        super(ShowCommand, self).__init__(*args, **kw)
-        self.cmd_opts.add_option(
-            '-f', '--files',
-            dest='files',
-            action='store_true',
-            default=False,
-            help='Show the full list of installed files for each package.')
-
-        self.parser.insert_option_group(0, self.cmd_opts)
-
-    def run(self, options, args):
-        if not args:
-            logger.warning('ERROR: Please provide a package name or names.')
-            return ERROR
-        query = args
-
-        results = search_packages_info(query)
-        if not print_results(
-                results, list_files=options.files, verbose=options.verbose):
-            return ERROR
-        return SUCCESS
-
-
-def search_packages_info(query):
-    """
-    Gather details from installed distributions. Print distribution name,
-    version, location, and installed files. Installed files requires a
-    pip generated 'installed-files.txt' in the distributions '.egg-info'
-    directory.
-    """
-    installed = {}
-    for p in pkg_resources.working_set:
-        installed[canonicalize_name(p.project_name)] = p
-
-    query_names = [canonicalize_name(name) for name in query]
-
-    for dist in [installed[pkg] for pkg in query_names if pkg in installed]:
-        package = {
-            'name': dist.project_name,
-            'version': dist.version,
-            'location': dist.location,
-            'requires': [dep.project_name for dep in dist.requires()],
-        }
-        file_list = None
-        metadata = None
-        if isinstance(dist, pkg_resources.DistInfoDistribution):
-            # RECORDs should be part of .dist-info metadatas
-            if dist.has_metadata('RECORD'):
-                lines = dist.get_metadata_lines('RECORD')
-                paths = [l.split(',')[0] for l in lines]
-                paths = [os.path.join(dist.location, p) for p in paths]
-                file_list = [os.path.relpath(p, dist.location) for p in paths]
-
-            if dist.has_metadata('METADATA'):
-                metadata = dist.get_metadata('METADATA')
-        else:
-            # Otherwise use pip's log for .egg-info's
-            if dist.has_metadata('installed-files.txt'):
-                paths = dist.get_metadata_lines('installed-files.txt')
-                paths = [os.path.join(dist.egg_info, p) for p in paths]
-                file_list = [os.path.relpath(p, dist.location) for p in paths]
-
-            if dist.has_metadata('PKG-INFO'):
-                metadata = dist.get_metadata('PKG-INFO')
-
-        if dist.has_metadata('entry_points.txt'):
-            entry_points = dist.get_metadata_lines('entry_points.txt')
-            package['entry_points'] = entry_points
-
-        if dist.has_metadata('INSTALLER'):
-            for line in dist.get_metadata_lines('INSTALLER'):
-                if line.strip():
-                    package['installer'] = line.strip()
-                    break
-
-        # @todo: Should pkg_resources.Distribution have a
-        # `get_pkg_info` method?
-        feed_parser = FeedParser()
-        feed_parser.feed(metadata)
-        pkg_info_dict = feed_parser.close()
-        for key in ('metadata-version', 'summary',
-                    'home-page', 'author', 'author-email', 'license'):
-            package[key] = pkg_info_dict.get(key)
-
-        # It looks like FeedParser cannot deal with repeated headers
-        classifiers = []
-        for line in metadata.splitlines():
-            if line.startswith('Classifier: '):
-                classifiers.append(line[len('Classifier: '):])
-        package['classifiers'] = classifiers
-
-        if file_list:
-            package['files'] = sorted(file_list)
-        yield package
-
-
-def print_results(distributions, list_files=False, verbose=False):
-    """
-    Print the informations from installed distributions found.
-    """
-    results_printed = False
-    for i, dist in enumerate(distributions):
-        results_printed = True
-        if i > 0:
-            logger.info("---")
-        logger.info("Name: %s", dist.get('name', ''))
-        logger.info("Version: %s", dist.get('version', ''))
-        logger.info("Summary: %s", dist.get('summary', ''))
-        logger.info("Home-page: %s", dist.get('home-page', ''))
-        logger.info("Author: %s", dist.get('author', ''))
-        logger.info("Author-email: %s", dist.get('author-email', ''))
-        logger.info("License: %s", dist.get('license', ''))
-        logger.info("Location: %s", dist.get('location', ''))
-        logger.info("Requires: %s", ', '.join(dist.get('requires', [])))
-        if verbose:
-            logger.info("Metadata-Version: %s",
-                        dist.get('metadata-version', ''))
-            logger.info("Installer: %s", dist.get('installer', ''))
-            logger.info("Classifiers:")
-            for classifier in dist.get('classifiers', []):
-                logger.info("  %s", classifier)
-            logger.info("Entry-points:")
-            for entry in dist.get('entry_points', []):
-                logger.info("  %s", entry.strip())
-        if list_files:
-            logger.info("Files:")
-            for line in dist.get('files', []):
-                logger.info("  %s", line.strip())
-            if "files" not in dist:
-                logger.info("Cannot locate installed-files.txt")
-    return results_printed

classifier/myenv/lib/python3.6/site-packages/pip/commands/uninstall.py

@@ -1,76 +0,0 @@
-from __future__ import absolute_import
-
-import pip
-from pip.wheel import WheelCache
-from pip.req import InstallRequirement, RequirementSet, parse_requirements
-from pip.basecommand import Command
-from pip.exceptions import InstallationError
-
-
-class UninstallCommand(Command):
-    """
-    Uninstall packages.
-
-    pip is able to uninstall most installed packages. Known exceptions are:
-
-    - Pure distutils packages installed with ``python setup.py install``, which
-      leave behind no metadata to determine what files were installed.
-    - Script wrappers installed by ``python setup.py develop``.
-    """
-    name = 'uninstall'
-    usage = """
-      %prog [options] <package> ...
-      %prog [options] -r <requirements file> ..."""
-    summary = 'Uninstall packages.'
-
-    def __init__(self, *args, **kw):
-        super(UninstallCommand, self).__init__(*args, **kw)
-        self.cmd_opts.add_option(
-            '-r', '--requirement',
-            dest='requirements',
-            action='append',
-            default=[],
-            metavar='file',
-            help='Uninstall all the packages listed in the given requirements '
-                 'file.  This option can be used multiple times.',
-        )
-        self.cmd_opts.add_option(
-            '-y', '--yes',
-            dest='yes',
-            action='store_true',
-            help="Don't ask for confirmation of uninstall deletions.")
-
-        self.parser.insert_option_group(0, self.cmd_opts)
-
-    def run(self, options, args):
-        with self._build_session(options) as session:
-            format_control = pip.index.FormatControl(set(), set())
-            wheel_cache = WheelCache(options.cache_dir, format_control)
-            requirement_set = RequirementSet(
-                build_dir=None,
-                src_dir=None,
-                download_dir=None,
-                isolated=options.isolated_mode,
-                session=session,
-                wheel_cache=wheel_cache,
-            )
-            for name in args:
-                requirement_set.add_requirement(
-                    InstallRequirement.from_line(
-                        name, isolated=options.isolated_mode,
-                        wheel_cache=wheel_cache
-                    )
-                )
-            for filename in options.requirements:
-                for req in parse_requirements(
-                        filename,
-                        options=options,
-                        session=session,
-                        wheel_cache=wheel_cache):
-                    requirement_set.add_requirement(req)
-            if not requirement_set.has_requirements:
-                raise InstallationError(
-                    'You must give at least one requirement to %(name)s (see '
-                    '"pip help %(name)s")' % dict(name=self.name)
-                )
-            requirement_set.uninstall(auto_confirm=options.yes)

classifier/myenv/lib/python3.6/site-packages/pip/commands/wheel.py

@@ -1,208 +0,0 @@
-# -*- coding: utf-8 -*-
-from __future__ import absolute_import
-
-import logging
-import os
-import warnings
-
-from pip.basecommand import RequirementCommand
-from pip.exceptions import CommandError, PreviousBuildDirError
-from pip.req import RequirementSet
-from pip.utils import import_or_raise
-from pip.utils.build import BuildDirectory
-from pip.utils.deprecation import RemovedInPip10Warning
-from pip.wheel import WheelCache, WheelBuilder
-from pip import cmdoptions
-
-
-logger = logging.getLogger(__name__)
-
-
-class WheelCommand(RequirementCommand):
-    """
-    Build Wheel archives for your requirements and dependencies.
-
-    Wheel is a built-package format, and offers the advantage of not
-    recompiling your software during every install. For more details, see the
-    wheel docs: https://wheel.readthedocs.io/en/latest/
-
-    Requirements: setuptools>=0.8, and wheel.
-
-    'pip wheel' uses the bdist_wheel setuptools extension from the wheel
-    package to build individual wheels.
-
-    """
-
-    name = 'wheel'
-    usage = """
-      %prog [options] <requirement specifier> ...
-      %prog [options] -r <requirements file> ...
-      %prog [options] [-e] <vcs project url> ...
-      %prog [options] [-e] <local project path> ...
-      %prog [options] <archive url/path> ..."""
-
-    summary = 'Build wheels from your requirements.'
-
-    def __init__(self, *args, **kw):
-        super(WheelCommand, self).__init__(*args, **kw)
-
-        cmd_opts = self.cmd_opts
-
-        cmd_opts.add_option(
-            '-w', '--wheel-dir',
-            dest='wheel_dir',
-            metavar='dir',
-            default=os.curdir,
-            help=("Build wheels into <dir>, where the default is the "
-                  "current working directory."),
-        )
-        cmd_opts.add_option(cmdoptions.use_wheel())
-        cmd_opts.add_option(cmdoptions.no_use_wheel())
-        cmd_opts.add_option(cmdoptions.no_binary())
-        cmd_opts.add_option(cmdoptions.only_binary())
-        cmd_opts.add_option(
-            '--build-option',
-            dest='build_options',
-            metavar='options',
-            action='append',
-            help="Extra arguments to be supplied to 'setup.py bdist_wheel'.")
-        cmd_opts.add_option(cmdoptions.constraints())
-        cmd_opts.add_option(cmdoptions.editable())
-        cmd_opts.add_option(cmdoptions.requirements())
-        cmd_opts.add_option(cmdoptions.src())
-        cmd_opts.add_option(cmdoptions.ignore_requires_python())
-        cmd_opts.add_option(cmdoptions.no_deps())
-        cmd_opts.add_option(cmdoptions.build_dir())
-
-        cmd_opts.add_option(
-            '--global-option',
-            dest='global_options',
-            action='append',
-            metavar='options',
-            help="Extra global options to be supplied to the setup.py "
-            "call before the 'bdist_wheel' command.")
-
-        cmd_opts.add_option(
-            '--pre',
-            action='store_true',
-            default=False,
-            help=("Include pre-release and development versions. By default, "
-                  "pip only finds stable versions."),
-        )
-
-        cmd_opts.add_option(cmdoptions.no_clean())
-        cmd_opts.add_option(cmdoptions.require_hashes())
-
-        index_opts = cmdoptions.make_option_group(
-            cmdoptions.index_group,
-            self.parser,
-        )
-
-        self.parser.insert_option_group(0, index_opts)
-        self.parser.insert_option_group(0, cmd_opts)
-
-    def check_required_packages(self):
-        import_or_raise(
-            'wheel.bdist_wheel',
-            CommandError,
-            "'pip wheel' requires the 'wheel' package. To fix this, run: "
-            "pip install wheel"
-        )
-        pkg_resources = import_or_raise(
-            'pkg_resources',
-            CommandError,
-            "'pip wheel' requires setuptools >= 0.8 for dist-info support."
-            " To fix this, run: pip install --upgrade setuptools"
-        )
-        if not hasattr(pkg_resources, 'DistInfoDistribution'):
-            raise CommandError(
-                "'pip wheel' requires setuptools >= 0.8 for dist-info "
-                "support. To fix this, run: pip install --upgrade "
-                "setuptools"
-            )
-
-    def run(self, options, args):
-        self.check_required_packages()
-        cmdoptions.resolve_wheel_no_use_binary(options)
-        cmdoptions.check_install_build_global(options)
-
-        if options.allow_external:
-            warnings.warn(
-                "--allow-external has been deprecated and will be removed in "
-                "the future. Due to changes in the repository protocol, it no "
-                "longer has any effect.",
-                RemovedInPip10Warning,
-            )
-
-        if options.allow_all_external:
-            warnings.warn(
-                "--allow-all-external has been deprecated and will be removed "
-                "in the future. Due to changes in the repository protocol, it "
-                "no longer has any effect.",
-                RemovedInPip10Warning,
-            )
-
-        if options.allow_unverified:
-            warnings.warn(
-                "--allow-unverified has been deprecated and will be removed "
-                "in the future. Due to changes in the repository protocol, it "
-                "no longer has any effect.",
-                RemovedInPip10Warning,
-            )
-
-        index_urls = [options.index_url] + options.extra_index_urls
-        if options.no_index:
-            logger.debug('Ignoring indexes: %s', ','.join(index_urls))
-            index_urls = []
-
-        if options.build_dir:
-            options.build_dir = os.path.abspath(options.build_dir)
-
-        options.src_dir = os.path.abspath(options.src_dir)
-
-        with self._build_session(options) as session:
-            finder = self._build_package_finder(options, session)
-            build_delete = (not (options.no_clean or options.build_dir))
-            wheel_cache = WheelCache(options.cache_dir, options.format_control)
-            with BuildDirectory(options.build_dir,
-                                delete=build_delete) as build_dir:
-                requirement_set = RequirementSet(
-                    build_dir=build_dir,
-                    src_dir=options.src_dir,
-                    download_dir=None,
-                    ignore_dependencies=options.ignore_dependencies,
-                    ignore_installed=True,
-                    ignore_requires_python=options.ignore_requires_python,
-                    isolated=options.isolated_mode,
-                    session=session,
-                    wheel_cache=wheel_cache,
-                    wheel_download_dir=options.wheel_dir,
-                    require_hashes=options.require_hashes
-                )
-
-                self.populate_requirement_set(
-                    requirement_set, args, options, finder, session, self.name,
-                    wheel_cache
-                )
-
-                if not requirement_set.has_requirements:
-                    return
-
-                try:
-                    # build wheels
-                    wb = WheelBuilder(
-                        requirement_set,
-                        finder,
-                        build_options=options.build_options or [],
-                        global_options=options.global_options or [],
-                    )
-                    if not wb.build():
-                        raise CommandError(
-                            "Failed to build one or more wheels"
-                        )
-                except PreviousBuildDirError:
-                    options.no_clean = True
-                    raise
-                finally:
-                    if not options.no_clean:
-                        requirement_set.cleanup_files()

classifier/myenv/lib/python3.6/site-packages/pip/compat/__init__.py

@@ -1,164 +0,0 @@
-"""Stuff that differs in different Python versions and platform
-distributions."""
-from __future__ import absolute_import, division
-
-import os
-import sys
-
-from pip._vendor.six import text_type
-
-try:
-    from logging.config import dictConfig as logging_dictConfig
-except ImportError:
-    from pip.compat.dictconfig import dictConfig as logging_dictConfig
-
-try:
-    from collections import OrderedDict
-except ImportError:
-    from pip._vendor.ordereddict import OrderedDict
-
-try:
-    import ipaddress
-except ImportError:
-    try:
-        from pip._vendor import ipaddress
-    except ImportError:
-        import ipaddr as ipaddress
-        ipaddress.ip_address = ipaddress.IPAddress
-        ipaddress.ip_network = ipaddress.IPNetwork
-
-
-try:
-    import sysconfig
-
-    def get_stdlib():
-        paths = [
-            sysconfig.get_path("stdlib"),
-            sysconfig.get_path("platstdlib"),
-        ]
-        return set(filter(bool, paths))
-except ImportError:
-    from distutils import sysconfig
-
-    def get_stdlib():
-        paths = [
-            sysconfig.get_python_lib(standard_lib=True),
-            sysconfig.get_python_lib(standard_lib=True, plat_specific=True),
-        ]
-        return set(filter(bool, paths))
-
-
-__all__ = [
-    "logging_dictConfig", "ipaddress", "uses_pycache", "console_to_str",
-    "native_str", "get_path_uid", "stdlib_pkgs", "WINDOWS", "samefile",
-    "OrderedDict",
-]
-
-
-if sys.version_info >= (3, 4):
-    uses_pycache = True
-    from importlib.util import cache_from_source
-else:
-    import imp
-    uses_pycache = hasattr(imp, 'cache_from_source')
-    if uses_pycache:
-        cache_from_source = imp.cache_from_source
-    else:
-        cache_from_source = None
-
-
-if sys.version_info >= (3,):
-    def console_to_str(s):
-        try:
-            return s.decode(sys.__stdout__.encoding)
-        except UnicodeDecodeError:
-            return s.decode('utf_8')
-
-    def native_str(s, replace=False):
-        if isinstance(s, bytes):
-            return s.decode('utf-8', 'replace' if replace else 'strict')
-        return s
-
-else:
-    def console_to_str(s):
-        return s
-
-    def native_str(s, replace=False):
-        # Replace is ignored -- unicode to UTF-8 can't fail
-        if isinstance(s, text_type):
-            return s.encode('utf-8')
-        return s
-
-
-def total_seconds(td):
-    if hasattr(td, "total_seconds"):
-        return td.total_seconds()
-    else:
-        val = td.microseconds + (td.seconds + td.days * 24 * 3600) * 10 ** 6
-        return val / 10 ** 6
-
-
-def get_path_uid(path):
-    """
-    Return path's uid.
-
-    Does not follow symlinks:
-        https://github.com/pypa/pip/pull/935#discussion_r5307003
-
-    Placed this function in compat due to differences on AIX and
-    Jython, that should eventually go away.
-
-    :raises OSError: When path is a symlink or can't be read.
-    """
-    if hasattr(os, 'O_NOFOLLOW'):
-        fd = os.open(path, os.O_RDONLY | os.O_NOFOLLOW)
-        file_uid = os.fstat(fd).st_uid
-        os.close(fd)
-    else:  # AIX and Jython
-        # WARNING: time of check vulnerability, but best we can do w/o NOFOLLOW
-        if not os.path.islink(path):
-            # older versions of Jython don't have `os.fstat`
-            file_uid = os.stat(path).st_uid
-        else:
-            # raise OSError for parity with os.O_NOFOLLOW above
-            raise OSError(
-                "%s is a symlink; Will not return uid for symlinks" % path
-            )
-    return file_uid
-
-
-def expanduser(path):
-    """
-    Expand ~ and ~user constructions.
-
-    Includes a workaround for http://bugs.python.org/issue14768
-    """
-    expanded = os.path.expanduser(path)
-    if path.startswith('~/') and expanded.startswith('//'):
-        expanded = expanded[1:]
-    return expanded
-
-
-# packages in the stdlib that may have installation metadata, but should not be
-# considered 'installed'.  this theoretically could be determined based on
-# dist.location (py27:`sysconfig.get_paths()['stdlib']`,
-# py26:sysconfig.get_config_vars('LIBDEST')), but fear platform variation may
-# make this ineffective, so hard-coding
-stdlib_pkgs = ('python', 'wsgiref')
-if sys.version_info >= (2, 7):
-    stdlib_pkgs += ('argparse',)
-
-
-# windows detection, covers cpython and ironpython
-WINDOWS = (sys.platform.startswith("win") or
-           (sys.platform == 'cli' and os.name == 'nt'))
-
-
-def samefile(file1, file2):
-    """Provide an alternative for os.path.samefile on Windows/Python2"""
-    if hasattr(os.path, 'samefile'):
-        return os.path.samefile(file1, file2)
-    else:
-        path1 = os.path.normcase(os.path.abspath(file1))
-        path2 = os.path.normcase(os.path.abspath(file2))
-        return path1 == path2

classifier/myenv/lib/python3.6/site-packages/pip/compat/dictconfig.py

@@ -1,565 +0,0 @@
-# This is a copy of the Python logging.config.dictconfig module,
-# reproduced with permission. It is provided here for backwards
-# compatibility for Python versions prior to 2.7.
-#
-# Copyright 2009-2010 by Vinay Sajip. All Rights Reserved.
-#
-# Permission to use, copy, modify, and distribute this software and its
-# documentation for any purpose and without fee is hereby granted,
-# provided that the above copyright notice appear in all copies and that
-# both that copyright notice and this permission notice appear in
-# supporting documentation, and that the name of Vinay Sajip
-# not be used in advertising or publicity pertaining to distribution
-# of the software without specific, written prior permission.
-# VINAY SAJIP DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
-# ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL
-# VINAY SAJIP BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
-# ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
-# IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
-# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-from __future__ import absolute_import
-
-import logging.handlers
-import re
-import sys
-import types
-
-from pip._vendor import six
-
-# flake8: noqa
-
-IDENTIFIER = re.compile('^[a-z_][a-z0-9_]*$', re.I)
-
-
-def valid_ident(s):
-    m = IDENTIFIER.match(s)
-    if not m:
-        raise ValueError('Not a valid Python identifier: %r' % s)
-    return True
-
-#
-# This function is defined in logging only in recent versions of Python
-#
-try:
-    from logging import _checkLevel
-except ImportError:
-    def _checkLevel(level):
-        if isinstance(level, int):
-            rv = level
-        elif str(level) == level:
-            if level not in logging._levelNames:
-                raise ValueError('Unknown level: %r' % level)
-            rv = logging._levelNames[level]
-        else:
-            raise TypeError('Level not an integer or a '
-                            'valid string: %r' % level)
-        return rv
-
-# The ConvertingXXX classes are wrappers around standard Python containers,
-# and they serve to convert any suitable values in the container. The
-# conversion converts base dicts, lists and tuples to their wrapped
-# equivalents, whereas strings which match a conversion format are converted
-# appropriately.
-#
-# Each wrapper should have a configurator attribute holding the actual
-# configurator to use for conversion.
-
-
-class ConvertingDict(dict):
-    """A converting dictionary wrapper."""
-
-    def __getitem__(self, key):
-        value = dict.__getitem__(self, key)
-        result = self.configurator.convert(value)
-        # If the converted value is different, save for next time
-        if value is not result:
-            self[key] = result
-            if type(result) in (ConvertingDict, ConvertingList,
-                                ConvertingTuple):
-                result.parent = self
-                result.key = key
-        return result
-
-    def get(self, key, default=None):
-        value = dict.get(self, key, default)
-        result = self.configurator.convert(value)
-        # If the converted value is different, save for next time
-        if value is not result:
-            self[key] = result
-            if type(result) in (ConvertingDict, ConvertingList,
-                                ConvertingTuple):
-                result.parent = self
-                result.key = key
-        return result
-
-    def pop(self, key, default=None):
-        value = dict.pop(self, key, default)
-        result = self.configurator.convert(value)
-        if value is not result:
-            if type(result) in (ConvertingDict, ConvertingList,
-                                ConvertingTuple):
-                result.parent = self
-                result.key = key
-        return result
-
-
-class ConvertingList(list):
-    """A converting list wrapper."""
-    def __getitem__(self, key):
-        value = list.__getitem__(self, key)
-        result = self.configurator.convert(value)
-        # If the converted value is different, save for next time
-        if value is not result:
-            self[key] = result
-            if type(result) in (ConvertingDict, ConvertingList,
-                                ConvertingTuple):
-                result.parent = self
-                result.key = key
-        return result
-
-    def pop(self, idx=-1):
-        value = list.pop(self, idx)
-        result = self.configurator.convert(value)
-        if value is not result:
-            if type(result) in (ConvertingDict, ConvertingList,
-                                ConvertingTuple):
-                result.parent = self
-        return result
-
-
-class ConvertingTuple(tuple):
-    """A converting tuple wrapper."""
-    def __getitem__(self, key):
-        value = tuple.__getitem__(self, key)
-        result = self.configurator.convert(value)
-        if value is not result:
-            if type(result) in (ConvertingDict, ConvertingList,
-                                ConvertingTuple):
-                result.parent = self
-                result.key = key
-        return result
-
-
-class BaseConfigurator(object):
-    """
-    The configurator base class which defines some useful defaults.
-    """
-
-    CONVERT_PATTERN = re.compile(r'^(?P<prefix>[a-z]+)://(?P<suffix>.*)$')
-
-    WORD_PATTERN = re.compile(r'^\s*(\w+)\s*')
-    DOT_PATTERN = re.compile(r'^\.\s*(\w+)\s*')
-    INDEX_PATTERN = re.compile(r'^\[\s*(\w+)\s*\]\s*')
-    DIGIT_PATTERN = re.compile(r'^\d+$')
-
-    value_converters = {
-        'ext' : 'ext_convert',
-        'cfg' : 'cfg_convert',
-    }
-
-    # We might want to use a different one, e.g. importlib
-    importer = __import__
-
-    def __init__(self, config):
-        self.config = ConvertingDict(config)
-        self.config.configurator = self
-
-    def resolve(self, s):
-        """
-        Resolve strings to objects using standard import and attribute
-        syntax.
-        """
-        name = s.split('.')
-        used = name.pop(0)
-        try:
-            found = self.importer(used)
-            for frag in name:
-                used += '.' + frag
-                try:
-                    found = getattr(found, frag)
-                except AttributeError:
-                    self.importer(used)
-                    found = getattr(found, frag)
-            return found
-        except ImportError:
-            e, tb = sys.exc_info()[1:]
-            v = ValueError('Cannot resolve %r: %s' % (s, e))
-            v.__cause__, v.__traceback__ = e, tb
-            raise v
-
-    def ext_convert(self, value):
-        """Default converter for the ext:// protocol."""
-        return self.resolve(value)
-
-    def cfg_convert(self, value):
-        """Default converter for the cfg:// protocol."""
-        rest = value
-        m = self.WORD_PATTERN.match(rest)
-        if m is None:
-            raise ValueError("Unable to convert %r" % value)
-        else:
-            rest = rest[m.end():]
-            d = self.config[m.groups()[0]]
-            # print d, rest
-            while rest:
-                m = self.DOT_PATTERN.match(rest)
-                if m:
-                    d = d[m.groups()[0]]
-                else:
-                    m = self.INDEX_PATTERN.match(rest)
-                    if m:
-                        idx = m.groups()[0]
-                        if not self.DIGIT_PATTERN.match(idx):
-                            d = d[idx]
-                        else:
-                            try:
-                                n = int(idx)  # try as number first (most likely)
-                                d = d[n]
-                            except TypeError:
-                                d = d[idx]
-                if m:
-                    rest = rest[m.end():]
-                else:
-                    raise ValueError('Unable to convert '
-                                     '%r at %r' % (value, rest))
-        # rest should be empty
-        return d
-
-    def convert(self, value):
-        """
-        Convert values to an appropriate type. dicts, lists and tuples are
-        replaced by their converting alternatives. Strings are checked to
-        see if they have a conversion format and are converted if they do.
-        """
-        if not isinstance(value, ConvertingDict) and isinstance(value, dict):
-            value = ConvertingDict(value)
-            value.configurator = self
-        elif not isinstance(value, ConvertingList) and isinstance(value, list):
-            value = ConvertingList(value)
-            value.configurator = self
-        elif not isinstance(value, ConvertingTuple) and\
-                 isinstance(value, tuple):
-            value = ConvertingTuple(value)
-            value.configurator = self
-        elif isinstance(value, six.string_types):  # str for py3k
-            m = self.CONVERT_PATTERN.match(value)
-            if m:
-                d = m.groupdict()
-                prefix = d['prefix']
-                converter = self.value_converters.get(prefix, None)
-                if converter:
-                    suffix = d['suffix']
-                    converter = getattr(self, converter)
-                    value = converter(suffix)
-        return value
-
-    def configure_custom(self, config):
-        """Configure an object with a user-supplied factory."""
-        c = config.pop('()')
-        if not hasattr(c, '__call__') and hasattr(types, 'ClassType') and type(c) != types.ClassType:
-            c = self.resolve(c)
-        props = config.pop('.', None)
-        # Check for valid identifiers
-        kwargs = dict((k, config[k]) for k in config if valid_ident(k))
-        result = c(**kwargs)
-        if props:
-            for name, value in props.items():
-                setattr(result, name, value)
-        return result
-
-    def as_tuple(self, value):
-        """Utility function which converts lists to tuples."""
-        if isinstance(value, list):
-            value = tuple(value)
-        return value
-
-
-class DictConfigurator(BaseConfigurator):
-    """
-    Configure logging using a dictionary-like object to describe the
-    configuration.
-    """
-
-    def configure(self):
-        """Do the configuration."""
-
-        config = self.config
-        if 'version' not in config:
-            raise ValueError("dictionary doesn't specify a version")
-        if config['version'] != 1:
-            raise ValueError("Unsupported version: %s" % config['version'])
-        incremental = config.pop('incremental', False)
-        EMPTY_DICT = {}
-        logging._acquireLock()
-        try:
-            if incremental:
-                handlers = config.get('handlers', EMPTY_DICT)
-                # incremental handler config only if handler name
-                # ties in to logging._handlers (Python 2.7)
-                if sys.version_info[:2] == (2, 7):
-                    for name in handlers:
-                        if name not in logging._handlers:
-                            raise ValueError('No handler found with '
-                                             'name %r'  % name)
-                        else:
-                            try:
-                                handler = logging._handlers[name]
-                                handler_config = handlers[name]
-                                level = handler_config.get('level', None)
-                                if level:
-                                    handler.setLevel(_checkLevel(level))
-                            except StandardError as e:
-                                raise ValueError('Unable to configure handler '
-                                                 '%r: %s' % (name, e))
-                loggers = config.get('loggers', EMPTY_DICT)
-                for name in loggers:
-                    try:
-                        self.configure_logger(name, loggers[name], True)
-                    except StandardError as e:
-                        raise ValueError('Unable to configure logger '
-                                         '%r: %s' % (name, e))
-                root = config.get('root', None)
-                if root:
-                    try:
-                        self.configure_root(root, True)
-                    except StandardError as e:
-                        raise ValueError('Unable to configure root '
-                                         'logger: %s' % e)
-            else:
-                disable_existing = config.pop('disable_existing_loggers', True)
-
-                logging._handlers.clear()
-                del logging._handlerList[:]
-
-                # Do formatters first - they don't refer to anything else
-                formatters = config.get('formatters', EMPTY_DICT)
-                for name in formatters:
-                    try:
-                        formatters[name] = self.configure_formatter(
-                                                            formatters[name])
-                    except StandardError as e:
-                        raise ValueError('Unable to configure '
-                                         'formatter %r: %s' % (name, e))
-                # Next, do filters - they don't refer to anything else, either
-                filters = config.get('filters', EMPTY_DICT)
-                for name in filters:
-                    try:
-                        filters[name] = self.configure_filter(filters[name])
-                    except StandardError as e:
-                        raise ValueError('Unable to configure '
-                                         'filter %r: %s' % (name, e))
-
-                # Next, do handlers - they refer to formatters and filters
-                # As handlers can refer to other handlers, sort the keys
-                # to allow a deterministic order of configuration
-                handlers = config.get('handlers', EMPTY_DICT)
-                for name in sorted(handlers):
-                    try:
-                        handler = self.configure_handler(handlers[name])
-                        handler.name = name
-                        handlers[name] = handler
-                    except StandardError as e:
-                        raise ValueError('Unable to configure handler '
-                                         '%r: %s' % (name, e))
-                # Next, do loggers - they refer to handlers and filters
-
-                # we don't want to lose the existing loggers,
-                # since other threads may have pointers to them.
-                # existing is set to contain all existing loggers,
-                # and as we go through the new configuration we
-                # remove any which are configured. At the end,
-                # what's left in existing is the set of loggers
-                # which were in the previous configuration but
-                # which are not in the new configuration.
-                root = logging.root
-                existing = list(root.manager.loggerDict)
-                # The list needs to be sorted so that we can
-                # avoid disabling child loggers of explicitly
-                # named loggers. With a sorted list it is easier
-                # to find the child loggers.
-                existing.sort()
-                # We'll keep the list of existing loggers
-                # which are children of named loggers here...
-                child_loggers = []
-                # now set up the new ones...
-                loggers = config.get('loggers', EMPTY_DICT)
-                for name in loggers:
-                    if name in existing:
-                        i = existing.index(name)
-                        prefixed = name + "."
-                        pflen = len(prefixed)
-                        num_existing = len(existing)
-                        i = i + 1  # look at the entry after name
-                        while (i < num_existing) and\
-                              (existing[i][:pflen] == prefixed):
-                            child_loggers.append(existing[i])
-                            i = i + 1
-                        existing.remove(name)
-                    try:
-                        self.configure_logger(name, loggers[name])
-                    except StandardError as e:
-                        raise ValueError('Unable to configure logger '
-                                         '%r: %s' % (name, e))
-
-                # Disable any old loggers. There's no point deleting
-                # them as other threads may continue to hold references
-                # and by disabling them, you stop them doing any logging.
-                # However, don't disable children of named loggers, as that's
-                # probably not what was intended by the user.
-                for log in existing:
-                    logger = root.manager.loggerDict[log]
-                    if log in child_loggers:
-                        logger.level = logging.NOTSET
-                        logger.handlers = []
-                        logger.propagate = True
-                    elif disable_existing:
-                        logger.disabled = True
-
-                # And finally, do the root logger
-                root = config.get('root', None)
-                if root:
-                    try:
-                        self.configure_root(root)
-                    except StandardError as e:
-                        raise ValueError('Unable to configure root '
-                                         'logger: %s' % e)
-        finally:
-            logging._releaseLock()
-
-    def configure_formatter(self, config):
-        """Configure a formatter from a dictionary."""
-        if '()' in config:
-            factory = config['()']  # for use in exception handler
-            try:
-                result = self.configure_custom(config)
-            except TypeError as te:
-                if "'format'" not in str(te):
-                    raise
-                # Name of parameter changed from fmt to format.
-                # Retry with old name.
-                # This is so that code can be used with older Python versions
-                #(e.g. by Django)
-                config['fmt'] = config.pop('format')
-                config['()'] = factory
-                result = self.configure_custom(config)
-        else:
-            fmt = config.get('format', None)
-            dfmt = config.get('datefmt', None)
-            result = logging.Formatter(fmt, dfmt)
-        return result
-
-    def configure_filter(self, config):
-        """Configure a filter from a dictionary."""
-        if '()' in config:
-            result = self.configure_custom(config)
-        else:
-            name = config.get('name', '')
-            result = logging.Filter(name)
-        return result
-
-    def add_filters(self, filterer, filters):
-        """Add filters to a filterer from a list of names."""
-        for f in filters:
-            try:
-                filterer.addFilter(self.config['filters'][f])
-            except StandardError as e:
-                raise ValueError('Unable to add filter %r: %s' % (f, e))
-
-    def configure_handler(self, config):
-        """Configure a handler from a dictionary."""
-        formatter = config.pop('formatter', None)
-        if formatter:
-            try:
-                formatter = self.config['formatters'][formatter]
-            except StandardError as e:
-                raise ValueError('Unable to set formatter '
-                                 '%r: %s' % (formatter, e))
-        level = config.pop('level', None)
-        filters = config.pop('filters', None)
-        if '()' in config:
-            c = config.pop('()')
-            if not hasattr(c, '__call__') and hasattr(types, 'ClassType') and type(c) != types.ClassType:
-                c = self.resolve(c)
-            factory = c
-        else:
-            klass = self.resolve(config.pop('class'))
-            # Special case for handler which refers to another handler
-            if issubclass(klass, logging.handlers.MemoryHandler) and\
-                'target' in config:
-                try:
-                    config['target'] = self.config['handlers'][config['target']]
-                except StandardError as e:
-                    raise ValueError('Unable to set target handler '
-                                     '%r: %s' % (config['target'], e))
-            elif issubclass(klass, logging.handlers.SMTPHandler) and\
-                'mailhost' in config:
-                config['mailhost'] = self.as_tuple(config['mailhost'])
-            elif issubclass(klass, logging.handlers.SysLogHandler) and\
-                'address' in config:
-                config['address'] = self.as_tuple(config['address'])
-            factory = klass
-        kwargs = dict((k, config[k]) for k in config if valid_ident(k))
-        try:
-            result = factory(**kwargs)
-        except TypeError as te:
-            if "'stream'" not in str(te):
-                raise
-            # The argument name changed from strm to stream
-            # Retry with old name.
-            # This is so that code can be used with older Python versions
-            #(e.g. by Django)
-            kwargs['strm'] = kwargs.pop('stream')
-            result = factory(**kwargs)
-        if formatter:
-            result.setFormatter(formatter)
-        if level is not None:
-            result.setLevel(_checkLevel(level))
-        if filters:
-            self.add_filters(result, filters)
-        return result
-
-    def add_handlers(self, logger, handlers):
-        """Add handlers to a logger from a list of names."""
-        for h in handlers:
-            try:
-                logger.addHandler(self.config['handlers'][h])
-            except StandardError as e:
-                raise ValueError('Unable to add handler %r: %s' % (h, e))
-
-    def common_logger_config(self, logger, config, incremental=False):
-        """
-        Perform configuration which is common to root and non-root loggers.
-        """
-        level = config.get('level', None)
-        if level is not None:
-            logger.setLevel(_checkLevel(level))
-        if not incremental:
-            # Remove any existing handlers
-            for h in logger.handlers[:]:
-                logger.removeHandler(h)
-            handlers = config.get('handlers', None)
-            if handlers:
-                self.add_handlers(logger, handlers)
-            filters = config.get('filters', None)
-            if filters:
-                self.add_filters(logger, filters)
-
-    def configure_logger(self, name, config, incremental=False):
-        """Configure a non-root logger from a dictionary."""
-        logger = logging.getLogger(name)
-        self.common_logger_config(logger, config, incremental)
-        propagate = config.get('propagate', None)
-        if propagate is not None:
-            logger.propagate = propagate
-
-    def configure_root(self, config, incremental=False):
-        """Configure a root logger from a dictionary."""
-        root = logging.getLogger()
-        self.common_logger_config(root, config, incremental)
-
-dictConfigClass = DictConfigurator
-
-
-def dictConfig(config):
-    """Configure logging using a dictionary."""
-    dictConfigClass(config).configure()

classifier/myenv/lib/python3.6/site-packages/pip/download.py

@@ -1,906 +0,0 @@
-from __future__ import absolute_import
-
-import cgi
-import email.utils
-import getpass
-import json
-import logging
-import mimetypes
-import os
-import platform
-import re
-import shutil
-import sys
-import tempfile
-
-try:
-    import ssl  # noqa
-    HAS_TLS = True
-except ImportError:
-    HAS_TLS = False
-
-from pip._vendor.six.moves.urllib import parse as urllib_parse
-from pip._vendor.six.moves.urllib import request as urllib_request
-
-import pip
-
-from pip.exceptions import InstallationError, HashMismatch
-from pip.models import PyPI
-from pip.utils import (splitext, rmtree, format_size, display_path,
-                       backup_dir, ask_path_exists, unpack_file,
-                       ARCHIVE_EXTENSIONS, consume, call_subprocess)
-from pip.utils.encoding import auto_decode
-from pip.utils.filesystem import check_path_owner
-from pip.utils.logging import indent_log
-from pip.utils.setuptools_build import SETUPTOOLS_SHIM
-from pip.utils.glibc import libc_ver
-from pip.utils.ui import DownloadProgressBar, DownloadProgressSpinner
-from pip.locations import write_delete_marker_file
-from pip.vcs import vcs
-from pip._vendor import requests, six
-from pip._vendor.requests.adapters import BaseAdapter, HTTPAdapter
-from pip._vendor.requests.auth import AuthBase, HTTPBasicAuth
-from pip._vendor.requests.models import CONTENT_CHUNK_SIZE, Response
-from pip._vendor.requests.utils import get_netrc_auth
-from pip._vendor.requests.structures import CaseInsensitiveDict
-from pip._vendor.requests.packages import urllib3
-from pip._vendor.cachecontrol import CacheControlAdapter
-from pip._vendor.cachecontrol.caches import FileCache
-from pip._vendor.lockfile import LockError
-from pip._vendor.six.moves import xmlrpc_client
-
-
-__all__ = ['get_file_content',
-           'is_url', 'url_to_path', 'path_to_url',
-           'is_archive_file', 'unpack_vcs_link',
-           'unpack_file_url', 'is_vcs_url', 'is_file_url',
-           'unpack_http_url', 'unpack_url']
-
-
-logger = logging.getLogger(__name__)
-
-
-def user_agent():
-    """
-    Return a string representing the user agent.
-    """
-    data = {
-        "installer": {"name": "pip", "version": pip.__version__},
-        "python": platform.python_version(),
-        "implementation": {
-            "name": platform.python_implementation(),
-        },
-    }
-
-    if data["implementation"]["name"] == 'CPython':
-        data["implementation"]["version"] = platform.python_version()
-    elif data["implementation"]["name"] == 'PyPy':
-        if sys.pypy_version_info.releaselevel == 'final':
-            pypy_version_info = sys.pypy_version_info[:3]
-        else:
-            pypy_version_info = sys.pypy_version_info
-        data["implementation"]["version"] = ".".join(
-            [str(x) for x in pypy_version_info]
-        )
-    elif data["implementation"]["name"] == 'Jython':
-        # Complete Guess
-        data["implementation"]["version"] = platform.python_version()
-    elif data["implementation"]["name"] == 'IronPython':
-        # Complete Guess
-        data["implementation"]["version"] = platform.python_version()
-
-    if sys.platform.startswith("linux"):
-        from pip._vendor import distro
-        distro_infos = dict(filter(
-            lambda x: x[1],
-            zip(["name", "version", "id"], distro.linux_distribution()),
-        ))
-        libc = dict(filter(
-            lambda x: x[1],
-            zip(["lib", "version"], libc_ver()),
-        ))
-        if libc:
-            distro_infos["libc"] = libc
-        if distro_infos:
-            data["distro"] = distro_infos
-
-    if sys.platform.startswith("darwin") and platform.mac_ver()[0]:
-        data["distro"] = {"name": "macOS", "version": platform.mac_ver()[0]}
-
-    if platform.system():
-        data.setdefault("system", {})["name"] = platform.system()
-
-    if platform.release():
-        data.setdefault("system", {})["release"] = platform.release()
-
-    if platform.machine():
-        data["cpu"] = platform.machine()
-
-    # Python 2.6 doesn't have ssl.OPENSSL_VERSION.
-    if HAS_TLS and sys.version_info[:2] > (2, 6):
-        data["openssl_version"] = ssl.OPENSSL_VERSION
-
-    return "{data[installer][name]}/{data[installer][version]} {json}".format(
-        data=data,
-        json=json.dumps(data, separators=(",", ":"), sort_keys=True),
-    )
-
-
-class MultiDomainBasicAuth(AuthBase):
-
-    def __init__(self, prompting=True):
-        self.prompting = prompting
-        self.passwords = {}
-
-    def __call__(self, req):
-        parsed = urllib_parse.urlparse(req.url)
-
-        # Get the netloc without any embedded credentials
-        netloc = parsed.netloc.rsplit("@", 1)[-1]
-
-        # Set the url of the request to the url without any credentials
-        req.url = urllib_parse.urlunparse(parsed[:1] + (netloc,) + parsed[2:])
-
-        # Use any stored credentials that we have for this netloc
-        username, password = self.passwords.get(netloc, (None, None))
-
-        # Extract credentials embedded in the url if we have none stored
-        if username is None:
-            username, password = self.parse_credentials(parsed.netloc)
-
-        # Get creds from netrc if we still don't have them
-        if username is None and password is None:
-            netrc_auth = get_netrc_auth(req.url)
-            username, password = netrc_auth if netrc_auth else (None, None)
-
-        if username or password:
-            # Store the username and password
-            self.passwords[netloc] = (username, password)
-
-            # Send the basic auth with this request
-            req = HTTPBasicAuth(username or "", password or "")(req)
-
-        # Attach a hook to handle 401 responses
-        req.register_hook("response", self.handle_401)
-
-        return req
-
-    def handle_401(self, resp, **kwargs):
-        # We only care about 401 responses, anything else we want to just
-        #   pass through the actual response
-        if resp.status_code != 401:
-            return resp
-
-        # We are not able to prompt the user so simply return the response
-        if not self.prompting:
-            return resp
-
-        parsed = urllib_parse.urlparse(resp.url)
-
-        # Prompt the user for a new username and password
-        username = six.moves.input("User for %s: " % parsed.netloc)
-        password = getpass.getpass("Password: ")
-
-        # Store the new username and password to use for future requests
-        if username or password:
-            self.passwords[parsed.netloc] = (username, password)
-
-        # Consume content and release the original connection to allow our new
-        #   request to reuse the same one.
-        resp.content
-        resp.raw.release_conn()
-
-        # Add our new username and password to the request
-        req = HTTPBasicAuth(username or "", password or "")(resp.request)
-
-        # Send our new request
-        new_resp = resp.connection.send(req, **kwargs)
-        new_resp.history.append(resp)
-
-        return new_resp
-
-    def parse_credentials(self, netloc):
-        if "@" in netloc:
-            userinfo = netloc.rsplit("@", 1)[0]
-            if ":" in userinfo:
-                return userinfo.split(":", 1)
-            return userinfo, None
-        return None, None
-
-
-class LocalFSAdapter(BaseAdapter):
-
-    def send(self, request, stream=None, timeout=None, verify=None, cert=None,
-             proxies=None):
-        pathname = url_to_path(request.url)
-
-        resp = Response()
-        resp.status_code = 200
-        resp.url = request.url
-
-        try:
-            stats = os.stat(pathname)
-        except OSError as exc:
-            resp.status_code = 404
-            resp.raw = exc
-        else:
-            modified = email.utils.formatdate(stats.st_mtime, usegmt=True)
-            content_type = mimetypes.guess_type(pathname)[0] or "text/plain"
-            resp.headers = CaseInsensitiveDict({
-                "Content-Type": content_type,
-                "Content-Length": stats.st_size,
-                "Last-Modified": modified,
-            })
-
-            resp.raw = open(pathname, "rb")
-            resp.close = resp.raw.close
-
-        return resp
-
-    def close(self):
-        pass
-
-
-class SafeFileCache(FileCache):
-    """
-    A file based cache which is safe to use even when the target directory may
-    not be accessible or writable.
-    """
-
-    def __init__(self, *args, **kwargs):
-        super(SafeFileCache, self).__init__(*args, **kwargs)
-
-        # Check to ensure that the directory containing our cache directory
-        # is owned by the user current executing pip. If it does not exist
-        # we will check the parent directory until we find one that does exist.
-        # If it is not owned by the user executing pip then we will disable
-        # the cache and log a warning.
-        if not check_path_owner(self.directory):
-            logger.warning(
-                "The directory '%s' or its parent directory is not owned by "
-                "the current user and the cache has been disabled. Please "
-                "check the permissions and owner of that directory. If "
-                "executing pip with sudo, you may want sudo's -H flag.",
-                self.directory,
-            )
-
-            # Set our directory to None to disable the Cache
-            self.directory = None
-
-    def get(self, *args, **kwargs):
-        # If we don't have a directory, then the cache should be a no-op.
-        if self.directory is None:
-            return
-
-        try:
-            return super(SafeFileCache, self).get(*args, **kwargs)
-        except (LockError, OSError, IOError):
-            # We intentionally silence this error, if we can't access the cache
-            # then we can just skip caching and process the request as if
-            # caching wasn't enabled.
-            pass
-
-    def set(self, *args, **kwargs):
-        # If we don't have a directory, then the cache should be a no-op.
-        if self.directory is None:
-            return
-
-        try:
-            return super(SafeFileCache, self).set(*args, **kwargs)
-        except (LockError, OSError, IOError):
-            # We intentionally silence this error, if we can't access the cache
-            # then we can just skip caching and process the request as if
-            # caching wasn't enabled.
-            pass
-
-    def delete(self, *args, **kwargs):
-        # If we don't have a directory, then the cache should be a no-op.
-        if self.directory is None:
-            return
-
-        try:
-            return super(SafeFileCache, self).delete(*args, **kwargs)
-        except (LockError, OSError, IOError):
-            # We intentionally silence this error, if we can't access the cache
-            # then we can just skip caching and process the request as if
-            # caching wasn't enabled.
-            pass
-
-
-class InsecureHTTPAdapter(HTTPAdapter):
-
-    def cert_verify(self, conn, url, verify, cert):
-        conn.cert_reqs = 'CERT_NONE'
-        conn.ca_certs = None
-
-
-class PipSession(requests.Session):
-
-    timeout = None
-
-    def __init__(self, *args, **kwargs):
-        retries = kwargs.pop("retries", 0)
-        cache = kwargs.pop("cache", None)
-        insecure_hosts = kwargs.pop("insecure_hosts", [])
-
-        super(PipSession, self).__init__(*args, **kwargs)
-
-        # Attach our User Agent to the request
-        self.headers["User-Agent"] = user_agent()
-
-        # Attach our Authentication handler to the session
-        self.auth = MultiDomainBasicAuth()
-
-        # Create our urllib3.Retry instance which will allow us to customize
-        # how we handle retries.
-        retries = urllib3.Retry(
-            # Set the total number of retries that a particular request can
-            # have.
-            total=retries,
-
-            # A 503 error from PyPI typically means that the Fastly -> Origin
-            # connection got interrupted in some way. A 503 error in general
-            # is typically considered a transient error so we'll go ahead and
-            # retry it.
-            status_forcelist=[503],
-
-            # Add a small amount of back off between failed requests in
-            # order to prevent hammering the service.
-            backoff_factor=0.25,
-        )
-
-        # We want to _only_ cache responses on securely fetched origins. We do
-        # this because we can't validate the response of an insecurely fetched
-        # origin, and we don't want someone to be able to poison the cache and
-        # require manual eviction from the cache to fix it.
-        if cache:
-            secure_adapter = CacheControlAdapter(
-                cache=SafeFileCache(cache, use_dir_lock=True),
-                max_retries=retries,
-            )
-        else:
-            secure_adapter = HTTPAdapter(max_retries=retries)
-
-        # Our Insecure HTTPAdapter disables HTTPS validation. It does not
-        # support caching (see above) so we'll use it for all http:// URLs as
-        # well as any https:// host that we've marked as ignoring TLS errors
-        # for.
-        insecure_adapter = InsecureHTTPAdapter(max_retries=retries)
-
-        self.mount("https://", secure_adapter)
-        self.mount("http://", insecure_adapter)
-
-        # Enable file:// urls
-        self.mount("file://", LocalFSAdapter())
-
-        # We want to use a non-validating adapter for any requests which are
-        # deemed insecure.
-        for host in insecure_hosts:
-            self.mount("https://{0}/".format(host), insecure_adapter)
-
-    def request(self, method, url, *args, **kwargs):
-        # Allow setting a default timeout on a session
-        kwargs.setdefault("timeout", self.timeout)
-
-        # Dispatch the actual request
-        return super(PipSession, self).request(method, url, *args, **kwargs)
-
-
-def get_file_content(url, comes_from=None, session=None):
-    """Gets the content of a file; it may be a filename, file: URL, or
-    http: URL.  Returns (location, content).  Content is unicode."""
-    if session is None:
-        raise TypeError(
-            "get_file_content() missing 1 required keyword argument: 'session'"
-        )
-
-    match = _scheme_re.search(url)
-    if match:
-        scheme = match.group(1).lower()
-        if (scheme == 'file' and comes_from and
-                comes_from.startswith('http')):
-            raise InstallationError(
-                'Requirements file %s references URL %s, which is local'
-                % (comes_from, url))
-        if scheme == 'file':
-            path = url.split(':', 1)[1]
-            path = path.replace('\\', '/')
-            match = _url_slash_drive_re.match(path)
-            if match:
-                path = match.group(1) + ':' + path.split('|', 1)[1]
-            path = urllib_parse.unquote(path)
-            if path.startswith('/'):
-                path = '/' + path.lstrip('/')
-            url = path
-        else:
-            # FIXME: catch some errors
-            resp = session.get(url)
-            resp.raise_for_status()
-            return resp.url, resp.text
-    try:
-        with open(url, 'rb') as f:
-            content = auto_decode(f.read())
-    except IOError as exc:
-        raise InstallationError(
-            'Could not open requirements file: %s' % str(exc)
-        )
-    return url, content
-
-
-_scheme_re = re.compile(r'^(http|https|file):', re.I)
-_url_slash_drive_re = re.compile(r'/*([a-z])\|', re.I)
-
-
-def is_url(name):
-    """Returns true if the name looks like a URL"""
-    if ':' not in name:
-        return False
-    scheme = name.split(':', 1)[0].lower()
-    return scheme in ['http', 'https', 'file', 'ftp'] + vcs.all_schemes
-
-
-def url_to_path(url):
-    """
-    Convert a file: URL to a path.
-    """
-    assert url.startswith('file:'), (
-        "You can only turn file: urls into filenames (not %r)" % url)
-
-    _, netloc, path, _, _ = urllib_parse.urlsplit(url)
-
-    # if we have a UNC path, prepend UNC share notation
-    if netloc:
-        netloc = '\\\\' + netloc
-
-    path = urllib_request.url2pathname(netloc + path)
-    return path
-
-
-def path_to_url(path):
-    """
-    Convert a path to a file: URL.  The path will be made absolute and have
-    quoted path parts.
-    """
-    path = os.path.normpath(os.path.abspath(path))
-    url = urllib_parse.urljoin('file:', urllib_request.pathname2url(path))
-    return url
-
-
-def is_archive_file(name):
-    """Return True if `name` is a considered as an archive file."""
-    ext = splitext(name)[1].lower()
-    if ext in ARCHIVE_EXTENSIONS:
-        return True
-    return False
-
-
-def unpack_vcs_link(link, location):
-    vcs_backend = _get_used_vcs_backend(link)
-    vcs_backend.unpack(location)
-
-
-def _get_used_vcs_backend(link):
-    for backend in vcs.backends:
-        if link.scheme in backend.schemes:
-            vcs_backend = backend(link.url)
-            return vcs_backend
-
-
-def is_vcs_url(link):
-    return bool(_get_used_vcs_backend(link))
-
-
-def is_file_url(link):
-    return link.url.lower().startswith('file:')
-
-
-def is_dir_url(link):
-    """Return whether a file:// Link points to a directory.
-
-    ``link`` must not have any other scheme but file://. Call is_file_url()
-    first.
-
-    """
-    link_path = url_to_path(link.url_without_fragment)
-    return os.path.isdir(link_path)
-
-
-def _progress_indicator(iterable, *args, **kwargs):
-    return iterable
-
-
-def _download_url(resp, link, content_file, hashes):
-    try:
-        total_length = int(resp.headers['content-length'])
-    except (ValueError, KeyError, TypeError):
-        total_length = 0
-
-    cached_resp = getattr(resp, "from_cache", False)
-
-    if logger.getEffectiveLevel() > logging.INFO:
-        show_progress = False
-    elif cached_resp:
-        show_progress = False
-    elif total_length > (40 * 1000):
-        show_progress = True
-    elif not total_length:
-        show_progress = True
-    else:
-        show_progress = False
-
-    show_url = link.show_url
-
-    def resp_read(chunk_size):
-        try:
-            # Special case for urllib3.
-            for chunk in resp.raw.stream(
-                    chunk_size,
-                    # We use decode_content=False here because we don't
-                    # want urllib3 to mess with the raw bytes we get
-                    # from the server. If we decompress inside of
-                    # urllib3 then we cannot verify the checksum
-                    # because the checksum will be of the compressed
-                    # file. This breakage will only occur if the
-                    # server adds a Content-Encoding header, which
-                    # depends on how the server was configured:
-                    # - Some servers will notice that the file isn't a
-                    #   compressible file and will leave the file alone
-                    #   and with an empty Content-Encoding
-                    # - Some servers will notice that the file is
-                    #   already compressed and will leave the file
-                    #   alone and will add a Content-Encoding: gzip
-                    #   header
-                    # - Some servers won't notice anything at all and
-                    #   will take a file that's already been compressed
-                    #   and compress it again and set the
-                    #   Content-Encoding: gzip header
-                    #
-                    # By setting this not to decode automatically we
-                    # hope to eliminate problems with the second case.
-                    decode_content=False):
-                yield chunk
-        except AttributeError:
-            # Standard file-like object.
-            while True:
-                chunk = resp.raw.read(chunk_size)
-                if not chunk:
-                    break
-                yield chunk
-
-    def written_chunks(chunks):
-        for chunk in chunks:
-            content_file.write(chunk)
-            yield chunk
-
-    progress_indicator = _progress_indicator
-
-    if link.netloc == PyPI.netloc:
-        url = show_url
-    else:
-        url = link.url_without_fragment
-
-    if show_progress:  # We don't show progress on cached responses
-        if total_length:
-            logger.info("Downloading %s (%s)", url, format_size(total_length))
-            progress_indicator = DownloadProgressBar(max=total_length).iter
-        else:
-            logger.info("Downloading %s", url)
-            progress_indicator = DownloadProgressSpinner().iter
-    elif cached_resp:
-        logger.info("Using cached %s", url)
-    else:
-        logger.info("Downloading %s", url)
-
-    logger.debug('Downloading from URL %s', link)
-
-    downloaded_chunks = written_chunks(
-        progress_indicator(
-            resp_read(CONTENT_CHUNK_SIZE),
-            CONTENT_CHUNK_SIZE
-        )
-    )
-    if hashes:
-        hashes.check_against_chunks(downloaded_chunks)
-    else:
-        consume(downloaded_chunks)
-
-
-def _copy_file(filename, location, link):
-    copy = True
-    download_location = os.path.join(location, link.filename)
-    if os.path.exists(download_location):
-        response = ask_path_exists(
-            'The file %s exists. (i)gnore, (w)ipe, (b)ackup, (a)abort' %
-            display_path(download_location), ('i', 'w', 'b', 'a'))
-        if response == 'i':
-            copy = False
-        elif response == 'w':
-            logger.warning('Deleting %s', display_path(download_location))
-            os.remove(download_location)
-        elif response == 'b':
-            dest_file = backup_dir(download_location)
-            logger.warning(
-                'Backing up %s to %s',
-                display_path(download_location),
-                display_path(dest_file),
-            )
-            shutil.move(download_location, dest_file)
-        elif response == 'a':
-            sys.exit(-1)
-    if copy:
-        shutil.copy(filename, download_location)
-        logger.info('Saved %s', display_path(download_location))
-
-
-def unpack_http_url(link, location, download_dir=None,
-                    session=None, hashes=None):
-    if session is None:
-        raise TypeError(
-            "unpack_http_url() missing 1 required keyword argument: 'session'"
-        )
-
-    temp_dir = tempfile.mkdtemp('-unpack', 'pip-')
-
-    # If a download dir is specified, is the file already downloaded there?
-    already_downloaded_path = None
-    if download_dir:
-        already_downloaded_path = _check_download_dir(link,
-                                                      download_dir,
-                                                      hashes)
-
-    if already_downloaded_path:
-        from_path = already_downloaded_path
-        content_type = mimetypes.guess_type(from_path)[0]
-    else:
-        # let's download to a tmp dir
-        from_path, content_type = _download_http_url(link,
-                                                     session,
-                                                     temp_dir,
-                                                     hashes)
-
-    # unpack the archive to the build dir location. even when only downloading
-    # archives, they have to be unpacked to parse dependencies
-    unpack_file(from_path, location, content_type, link)
-
-    # a download dir is specified; let's copy the archive there
-    if download_dir and not already_downloaded_path:
-        _copy_file(from_path, download_dir, link)
-
-    if not already_downloaded_path:
-        os.unlink(from_path)
-    rmtree(temp_dir)
-
-
-def unpack_file_url(link, location, download_dir=None, hashes=None):
-    """Unpack link into location.
-
-    If download_dir is provided and link points to a file, make a copy
-    of the link file inside download_dir.
-    """
-    link_path = url_to_path(link.url_without_fragment)
-
-    # If it's a url to a local directory
-    if is_dir_url(link):
-        if os.path.isdir(location):
-            rmtree(location)
-        shutil.copytree(link_path, location, symlinks=True)
-        if download_dir:
-            logger.info('Link is a directory, ignoring download_dir')
-        return
-
-    # If --require-hashes is off, `hashes` is either empty, the
-    # link's embedded hash, or MissingHashes; it is required to
-    # match. If --require-hashes is on, we are satisfied by any
-    # hash in `hashes` matching: a URL-based or an option-based
-    # one; no internet-sourced hash will be in `hashes`.
-    if hashes:
-        hashes.check_against_path(link_path)
-
-    # If a download dir is specified, is the file already there and valid?
-    already_downloaded_path = None
-    if download_dir:
-        already_downloaded_path = _check_download_dir(link,
-                                                      download_dir,
-                                                      hashes)
-
-    if already_downloaded_path:
-        from_path = already_downloaded_path
-    else:
-        from_path = link_path
-
-    content_type = mimetypes.guess_type(from_path)[0]
-
-    # unpack the archive to the build dir location. even when only downloading
-    # archives, they have to be unpacked to parse dependencies
-    unpack_file(from_path, location, content_type, link)
-
-    # a download dir is specified and not already downloaded
-    if download_dir and not already_downloaded_path:
-        _copy_file(from_path, download_dir, link)
-
-
-def _copy_dist_from_dir(link_path, location):
-    """Copy distribution files in `link_path` to `location`.
-
-    Invoked when user requests to install a local directory. E.g.:
-
-        pip install .
-        pip install ~/dev/git-repos/python-prompt-toolkit
-
-    """
-
-    # Note: This is currently VERY SLOW if you have a lot of data in the
-    # directory, because it copies everything with `shutil.copytree`.
-    # What it should really do is build an sdist and install that.
-    # See https://github.com/pypa/pip/issues/2195
-
-    if os.path.isdir(location):
-        rmtree(location)
-
-    # build an sdist
-    setup_py = 'setup.py'
-    sdist_args = [sys.executable]
-    sdist_args.append('-c')
-    sdist_args.append(SETUPTOOLS_SHIM % setup_py)
-    sdist_args.append('sdist')
-    sdist_args += ['--dist-dir', location]
-    logger.info('Running setup.py sdist for %s', link_path)
-
-    with indent_log():
-        call_subprocess(sdist_args, cwd=link_path, show_stdout=False)
-
-    # unpack sdist into `location`
-    sdist = os.path.join(location, os.listdir(location)[0])
-    logger.info('Unpacking sdist %s into %s', sdist, location)
-    unpack_file(sdist, location, content_type=None, link=None)
-
-
-class PipXmlrpcTransport(xmlrpc_client.Transport):
-    """Provide a `xmlrpclib.Transport` implementation via a `PipSession`
-    object.
-    """
-
-    def __init__(self, index_url, session, use_datetime=False):
-        xmlrpc_client.Transport.__init__(self, use_datetime)
-        index_parts = urllib_parse.urlparse(index_url)
-        self._scheme = index_parts.scheme
-        self._session = session
-
-    def request(self, host, handler, request_body, verbose=False):
-        parts = (self._scheme, host, handler, None, None, None)
-        url = urllib_parse.urlunparse(parts)
-        try:
-            headers = {'Content-Type': 'text/xml'}
-            response = self._session.post(url, data=request_body,
-                                          headers=headers, stream=True)
-            response.raise_for_status()
-            self.verbose = verbose
-            return self.parse_response(response.raw)
-        except requests.HTTPError as exc:
-            logger.critical(
-                "HTTP error %s while getting %s",
-                exc.response.status_code, url,
-            )
-            raise
-
-
-def unpack_url(link, location, download_dir=None,
-               only_download=False, session=None, hashes=None):
-    """Unpack link.
-       If link is a VCS link:
-         if only_download, export into download_dir and ignore location
-          else unpack into location
-       for other types of link:
-         - unpack into location
-         - if download_dir, copy the file into download_dir
-         - if only_download, mark location for deletion
-
-    :param hashes: A Hashes object, one of whose embedded hashes must match,
-        or HashMismatch will be raised. If the Hashes is empty, no matches are
-        required, and unhashable types of requirements (like VCS ones, which
-        would ordinarily raise HashUnsupported) are allowed.
-    """
-    # non-editable vcs urls
-    if is_vcs_url(link):
-        unpack_vcs_link(link, location)
-
-    # file urls
-    elif is_file_url(link):
-        unpack_file_url(link, location, download_dir, hashes=hashes)
-
-    # http urls
-    else:
-        if session is None:
-            session = PipSession()
-
-        unpack_http_url(
-            link,
-            location,
-            download_dir,
-            session,
-            hashes=hashes
-        )
-    if only_download:
-        write_delete_marker_file(location)
-
-
-def _download_http_url(link, session, temp_dir, hashes):
-    """Download link url into temp_dir using provided session"""
-    target_url = link.url.split('#', 1)[0]
-    try:
-        resp = session.get(
-            target_url,
-            # We use Accept-Encoding: identity here because requests
-            # defaults to accepting compressed responses. This breaks in
-            # a variety of ways depending on how the server is configured.
-            # - Some servers will notice that the file isn't a compressible
-            #   file and will leave the file alone and with an empty
-            #   Content-Encoding
-            # - Some servers will notice that the file is already
-            #   compressed and will leave the file alone and will add a
-            #   Content-Encoding: gzip header
-            # - Some servers won't notice anything at all and will take
-            #   a file that's already been compressed and compress it again
-            #   and set the Content-Encoding: gzip header
-            # By setting this to request only the identity encoding We're
-            # hoping to eliminate the third case. Hopefully there does not
-            # exist a server which when given a file will notice it is
-            # already compressed and that you're not asking for a
-            # compressed file and will then decompress it before sending
-            # because if that's the case I don't think it'll ever be
-            # possible to make this work.
-            headers={"Accept-Encoding": "identity"},
-            stream=True,
-        )
-        resp.raise_for_status()
-    except requests.HTTPError as exc:
-        logger.critical(
-            "HTTP error %s while getting %s", exc.response.status_code, link,
-        )
-        raise
-
-    content_type = resp.headers.get('content-type', '')
-    filename = link.filename  # fallback
-    # Have a look at the Content-Disposition header for a better guess
-    content_disposition = resp.headers.get('content-disposition')
-    if content_disposition:
-        type, params = cgi.parse_header(content_disposition)
-        # We use ``or`` here because we don't want to use an "empty" value
-        # from the filename param.
-        filename = params.get('filename') or filename
-    ext = splitext(filename)[1]
-    if not ext:
-        ext = mimetypes.guess_extension(content_type)
-        if ext:
-            filename += ext
-    if not ext and link.url != resp.url:
-        ext = os.path.splitext(resp.url)[1]
-        if ext:
-            filename += ext
-    file_path = os.path.join(temp_dir, filename)
-    with open(file_path, 'wb') as content_file:
-        _download_url(resp, link, content_file, hashes)
-    return file_path, content_type
-
-
-def _check_download_dir(link, download_dir, hashes):
-    """ Check download_dir for previously downloaded file with correct hash
-        If a correct file is found return its path else None
-    """
-    download_path = os.path.join(download_dir, link.filename)
-    if os.path.exists(download_path):
-        # If already downloaded, does its hash match?
-        logger.info('File was already downloaded %s', download_path)
-        if hashes:
-            try:
-                hashes.check_against_path(download_path)
-            except HashMismatch:
-                logger.warning(
-                    'Previously-downloaded file %s has bad hash. '
-                    'Re-downloading.',
-                    download_path
-                )
-                os.unlink(download_path)
-                return None
-        return download_path
-    return None

classifier/myenv/lib/python3.6/site-packages/pip/exceptions.py

@@ -1,244 +0,0 @@
-"""Exceptions used throughout package"""
-from __future__ import absolute_import
-
-from itertools import chain, groupby, repeat
-
-from pip._vendor.six import iteritems
-
-
-class PipError(Exception):
-    """Base pip exception"""
-
-
-class InstallationError(PipError):
-    """General exception during installation"""
-
-
-class UninstallationError(PipError):
-    """General exception during uninstallation"""
-
-
-class DistributionNotFound(InstallationError):
-    """Raised when a distribution cannot be found to satisfy a requirement"""
-
-
-class RequirementsFileParseError(InstallationError):
-    """Raised when a general error occurs parsing a requirements file line."""
-
-
-class BestVersionAlreadyInstalled(PipError):
-    """Raised when the most up-to-date version of a package is already
-    installed."""
-
-
-class BadCommand(PipError):
-    """Raised when virtualenv or a command is not found"""
-
-
-class CommandError(PipError):
-    """Raised when there is an error in command-line arguments"""
-
-
-class PreviousBuildDirError(PipError):
-    """Raised when there's a previous conflicting build directory"""
-
-
-class InvalidWheelFilename(InstallationError):
-    """Invalid wheel filename."""
-
-
-class UnsupportedWheel(InstallationError):
-    """Unsupported wheel."""
-
-
-class HashErrors(InstallationError):
-    """Multiple HashError instances rolled into one for reporting"""
-
-    def __init__(self):
-        self.errors = []
-
-    def append(self, error):
-        self.errors.append(error)
-
-    def __str__(self):
-        lines = []
-        self.errors.sort(key=lambda e: e.order)
-        for cls, errors_of_cls in groupby(self.errors, lambda e: e.__class__):
-            lines.append(cls.head)
-            lines.extend(e.body() for e in errors_of_cls)
-        if lines:
-            return '\n'.join(lines)
-
-    def __nonzero__(self):
-        return bool(self.errors)
-
-    def __bool__(self):
-        return self.__nonzero__()
-
-
-class HashError(InstallationError):
-    """
-    A failure to verify a package against known-good hashes
-
-    :cvar order: An int sorting hash exception classes by difficulty of
-        recovery (lower being harder), so the user doesn't bother fretting
-        about unpinned packages when he has deeper issues, like VCS
-        dependencies, to deal with. Also keeps error reports in a
-        deterministic order.
-    :cvar head: A section heading for display above potentially many
-        exceptions of this kind
-    :ivar req: The InstallRequirement that triggered this error. This is
-        pasted on after the exception is instantiated, because it's not
-        typically available earlier.
-
-    """
-    req = None
-    head = ''
-
-    def body(self):
-        """Return a summary of me for display under the heading.
-
-        This default implementation simply prints a description of the
-        triggering requirement.
-
-        :param req: The InstallRequirement that provoked this error, with
-            populate_link() having already been called
-
-        """
-        return '    %s' % self._requirement_name()
-
-    def __str__(self):
-        return '%s\n%s' % (self.head, self.body())
-
-    def _requirement_name(self):
-        """Return a description of the requirement that triggered me.
-
-        This default implementation returns long description of the req, with
-        line numbers
-
-        """
-        return str(self.req) if self.req else 'unknown package'
-
-
-class VcsHashUnsupported(HashError):
-    """A hash was provided for a version-control-system-based requirement, but
-    we don't have a method for hashing those."""
-
-    order = 0
-    head = ("Can't verify hashes for these requirements because we don't "
-            "have a way to hash version control repositories:")
-
-
-class DirectoryUrlHashUnsupported(HashError):
-    """A hash was provided for a version-control-system-based requirement, but
-    we don't have a method for hashing those."""
-
-    order = 1
-    head = ("Can't verify hashes for these file:// requirements because they "
-            "point to directories:")
-
-
-class HashMissing(HashError):
-    """A hash was needed for a requirement but is absent."""
-
-    order = 2
-    head = ('Hashes are required in --require-hashes mode, but they are '
-            'missing from some requirements. Here is a list of those '
-            'requirements along with the hashes their downloaded archives '
-            'actually had. Add lines like these to your requirements files to '
-            'prevent tampering. (If you did not enable --require-hashes '
-            'manually, note that it turns on automatically when any package '
-            'has a hash.)')
-
-    def __init__(self, gotten_hash):
-        """
-        :param gotten_hash: The hash of the (possibly malicious) archive we
-            just downloaded
-        """
-        self.gotten_hash = gotten_hash
-
-    def body(self):
-        from pip.utils.hashes import FAVORITE_HASH  # Dodge circular import.
-
-        package = None
-        if self.req:
-            # In the case of URL-based requirements, display the original URL
-            # seen in the requirements file rather than the package name,
-            # so the output can be directly copied into the requirements file.
-            package = (self.req.original_link if self.req.original_link
-                       # In case someone feeds something downright stupid
-                       # to InstallRequirement's constructor.
-                       else getattr(self.req, 'req', None))
-        return '    %s --hash=%s:%s' % (package or 'unknown package',
-                                        FAVORITE_HASH,
-                                        self.gotten_hash)
-
-
-class HashUnpinned(HashError):
-    """A requirement had a hash specified but was not pinned to a specific
-    version."""
-
-    order = 3
-    head = ('In --require-hashes mode, all requirements must have their '
-            'versions pinned with ==. These do not:')
-
-
-class HashMismatch(HashError):
-    """
-    Distribution file hash values don't match.
-
-    :ivar package_name: The name of the package that triggered the hash
-        mismatch. Feel free to write to this after the exception is raise to
-        improve its error message.
-
-    """
-    order = 4
-    head = ('THESE PACKAGES DO NOT MATCH THE HASHES FROM THE REQUIREMENTS '
-            'FILE. If you have updated the package versions, please update '
-            'the hashes. Otherwise, examine the package contents carefully; '
-            'someone may have tampered with them.')
-
-    def __init__(self, allowed, gots):
-        """
-        :param allowed: A dict of algorithm names pointing to lists of allowed
-            hex digests
-        :param gots: A dict of algorithm names pointing to hashes we
-            actually got from the files under suspicion
-        """
-        self.allowed = allowed
-        self.gots = gots
-
-    def body(self):
-        return '    %s:\n%s' % (self._requirement_name(),
-                                self._hash_comparison())
-
-    def _hash_comparison(self):
-        """
-        Return a comparison of actual and expected hash values.
-
-        Example::
-
-               Expected sha256 abcdeabcdeabcdeabcdeabcdeabcdeabcdeabcdeabcde
-                            or 123451234512345123451234512345123451234512345
-                    Got        bcdefbcdefbcdefbcdefbcdefbcdefbcdefbcdefbcdef
-
-        """
-        def hash_then_or(hash_name):
-            # For now, all the decent hashes have 6-char names, so we can get
-            # away with hard-coding space literals.
-            return chain([hash_name], repeat('    or'))
-
-        lines = []
-        for hash_name, expecteds in iteritems(self.allowed):
-            prefix = hash_then_or(hash_name)
-            lines.extend(('        Expected %s %s' % (next(prefix), e))
-                         for e in expecteds)
-            lines.append('             Got        %s\n' %
-                         self.gots[hash_name].hexdigest())
-            prefix = '    or'
-        return '\n'.join(lines)
-
-
-class UnsupportedPythonVersion(InstallationError):
-    """Unsupported python version according to Requires-Python package
-    metadata."""

classifier/myenv/lib/python3.6/site-packages/pip/locations.py

@@ -1,182 +0,0 @@
-"""Locations where we look for configs, install stuff, etc"""
-from __future__ import absolute_import
-
-import os
-import os.path
-import site
-import sys
-
-from distutils import sysconfig
-from distutils.command.install import install, SCHEME_KEYS  # noqa
-
-from pip.compat import WINDOWS, expanduser
-from pip.utils import appdirs
-
-
-# Application Directories
-USER_CACHE_DIR = appdirs.user_cache_dir("pip")
-
-
-DELETE_MARKER_MESSAGE = '''\
-This file is placed here by pip to indicate the source was put
-here by pip.
-
-Once this package is successfully installed this source code will be
-deleted (unless you remove this file).
-'''
-PIP_DELETE_MARKER_FILENAME = 'pip-delete-this-directory.txt'
-
-
-def write_delete_marker_file(directory):
-    """
-    Write the pip delete marker file into this directory.
-    """
-    filepath = os.path.join(directory, PIP_DELETE_MARKER_FILENAME)
-    with open(filepath, 'w') as marker_fp:
-        marker_fp.write(DELETE_MARKER_MESSAGE)
-
-
-def running_under_virtualenv():
-    """
-    Return True if we're running inside a virtualenv, False otherwise.
-
-    """
-    if hasattr(sys, 'real_prefix'):
-        return True
-    elif sys.prefix != getattr(sys, "base_prefix", sys.prefix):
-        return True
-
-    return False
-
-
-def virtualenv_no_global():
-    """
-    Return True if in a venv and no system site packages.
-    """
-    # this mirrors the logic in virtualenv.py for locating the
-    # no-global-site-packages.txt file
-    site_mod_dir = os.path.dirname(os.path.abspath(site.__file__))
-    no_global_file = os.path.join(site_mod_dir, 'no-global-site-packages.txt')
-    if running_under_virtualenv() and os.path.isfile(no_global_file):
-        return True
-
-
-if running_under_virtualenv():
-    src_prefix = os.path.join(sys.prefix, 'src')
-else:
-    # FIXME: keep src in cwd for now (it is not a temporary folder)
-    try:
-        src_prefix = os.path.join(os.getcwd(), 'src')
-    except OSError:
-        # In case the current working directory has been renamed or deleted
-        sys.exit(
-            "The folder you are executing pip from can no longer be found."
-        )
-
-# under macOS + virtualenv sys.prefix is not properly resolved
-# it is something like /path/to/python/bin/..
-# Note: using realpath due to tmp dirs on OSX being symlinks
-src_prefix = os.path.abspath(src_prefix)
-
-# FIXME doesn't account for venv linked to global site-packages
-
-site_packages = sysconfig.get_python_lib()
-user_site = site.USER_SITE
-user_dir = expanduser('~')
-if WINDOWS:
-    bin_py = os.path.join(sys.prefix, 'Scripts')
-    bin_user = os.path.join(user_site, 'Scripts')
-    # buildout uses 'bin' on Windows too?
-    if not os.path.exists(bin_py):
-        bin_py = os.path.join(sys.prefix, 'bin')
-        bin_user = os.path.join(user_site, 'bin')
-
-    config_basename = 'pip.ini'
-
-    legacy_storage_dir = os.path.join(user_dir, 'pip')
-    legacy_config_file = os.path.join(
-        legacy_storage_dir,
-        config_basename,
-    )
-else:
-    bin_py = os.path.join(sys.prefix, 'bin')
-    bin_user = os.path.join(user_site, 'bin')
-
-    config_basename = 'pip.conf'
-
-    legacy_storage_dir = os.path.join(user_dir, '.pip')
-    legacy_config_file = os.path.join(
-        legacy_storage_dir,
-        config_basename,
-    )
-
-    # Forcing to use /usr/local/bin for standard macOS framework installs
-    # Also log to ~/Library/Logs/ for use with the Console.app log viewer
-    if sys.platform[:6] == 'darwin' and sys.prefix[:16] == '/System/Library/':
-        bin_py = '/usr/local/bin'
-
-site_config_files = [
-    os.path.join(path, config_basename)
-    for path in appdirs.site_config_dirs('pip')
-]
-
-
-def distutils_scheme(dist_name, user=False, home=None, root=None,
-                     isolated=False, prefix=None):
-    """
-    Return a distutils install scheme
-    """
-    from distutils.dist import Distribution
-
-    scheme = {}
-
-    if isolated:
-        extra_dist_args = {"script_args": ["--no-user-cfg"]}
-    else:
-        extra_dist_args = {}
-    dist_args = {'name': dist_name}
-    dist_args.update(extra_dist_args)
-
-    d = Distribution(dist_args)
-    d.parse_config_files()
-    i = d.get_command_obj('install', create=True)
-    # NOTE: setting user or home has the side-effect of creating the home dir
-    # or user base for installations during finalize_options()
-    # ideally, we'd prefer a scheme class that has no side-effects.
-    assert not (user and prefix), "user={0} prefix={1}".format(user, prefix)
-    i.user = user or i.user
-    if user:
-        i.prefix = ""
-    i.prefix = prefix or i.prefix
-    i.home = home or i.home
-    i.root = root or i.root
-    i.finalize_options()
-    for key in SCHEME_KEYS:
-        scheme[key] = getattr(i, 'install_' + key)
-
-    # install_lib specified in setup.cfg should install *everything*
-    # into there (i.e. it takes precedence over both purelib and
-    # platlib).  Note, i.install_lib is *always* set after
-    # finalize_options(); we only want to override here if the user
-    # has explicitly requested it hence going back to the config
-    if 'install_lib' in d.get_option_dict('install'):
-        scheme.update(dict(purelib=i.install_lib, platlib=i.install_lib))
-
-    if running_under_virtualenv():
-        scheme['headers'] = os.path.join(
-            sys.prefix,
-            'include',
-            'site',
-            'python' + sys.version[:3],
-            dist_name,
-        )
-
-        if root is not None:
-            path_no_drive = os.path.splitdrive(
-                os.path.abspath(scheme["headers"]))[1]
-            scheme["headers"] = os.path.join(
-                root,
-                path_no_drive[1:],
-            )
-
-    return scheme

classifier/myenv/lib/python3.6/site-packages/pip/models/__init__.py

@@ -1,4 +0,0 @@
-from pip.models.index import Index, PyPI
-
-
-__all__ = ["Index", "PyPI"]

classifier/myenv/lib/python3.6/site-packages/pip/models/index.py

@@ -1,16 +0,0 @@
-from pip._vendor.six.moves.urllib import parse as urllib_parse
-
-
-class Index(object):
-    def __init__(self, url):
-        self.url = url
-        self.netloc = urllib_parse.urlsplit(url).netloc
-        self.simple_url = self.url_to_path('simple')
-        self.pypi_url = self.url_to_path('pypi')
-        self.pip_json_url = self.url_to_path('pypi/pip/json')
-
-    def url_to_path(self, path):
-        return urllib_parse.urljoin(self.url, path)
-
-
-PyPI = Index('https://pypi.python.org/')

classifier/myenv/lib/python3.6/site-packages/pip/operations/check.py

@@ -1,49 +0,0 @@
-
-
-def check_requirements(installed_dists):
-    missing_reqs_dict = {}
-    incompatible_reqs_dict = {}
-
-    for dist in installed_dists:
-        key = '%s==%s' % (dist.project_name, dist.version)
-
-        missing_reqs = list(get_missing_reqs(dist, installed_dists))
-        if missing_reqs:
-            missing_reqs_dict[key] = missing_reqs
-
-        incompatible_reqs = list(get_incompatible_reqs(
-            dist, installed_dists))
-        if incompatible_reqs:
-            incompatible_reqs_dict[key] = incompatible_reqs
-
-    return (missing_reqs_dict, incompatible_reqs_dict)
-
-
-def get_missing_reqs(dist, installed_dists):
-    """Return all of the requirements of `dist` that aren't present in
-    `installed_dists`.
-
-    """
-    installed_names = set(d.project_name.lower() for d in installed_dists)
-    missing_requirements = set()
-
-    for requirement in dist.requires():
-        if requirement.project_name.lower() not in installed_names:
-            missing_requirements.add(requirement)
-            yield requirement
-
-
-def get_incompatible_reqs(dist, installed_dists):
-    """Return all of the requirements of `dist` that are present in
-    `installed_dists`, but have incompatible versions.
-
-    """
-    installed_dists_by_name = {}
-    for installed_dist in installed_dists:
-        installed_dists_by_name[installed_dist.project_name] = installed_dist
-
-    for requirement in dist.requires():
-        present_dist = installed_dists_by_name.get(requirement.project_name)
-
-        if present_dist and present_dist not in requirement:
-            yield (requirement, present_dist)

classifier/myenv/lib/python3.6/site-packages/pip/operations/freeze.py

@@ -1,132 +0,0 @@
-from __future__ import absolute_import
-
-import logging
-import re
-
-import pip
-from pip.req import InstallRequirement
-from pip.req.req_file import COMMENT_RE
-from pip.utils import get_installed_distributions
-from pip._vendor import pkg_resources
-from pip._vendor.packaging.utils import canonicalize_name
-from pip._vendor.pkg_resources import RequirementParseError
-
-
-logger = logging.getLogger(__name__)
-
-
-def freeze(
-        requirement=None,
-        find_links=None, local_only=None, user_only=None, skip_regex=None,
-        default_vcs=None,
-        isolated=False,
-        wheel_cache=None,
-        skip=()):
-    find_links = find_links or []
-    skip_match = None
-
-    if skip_regex:
-        skip_match = re.compile(skip_regex).search
-
-    dependency_links = []
-
-    for dist in pkg_resources.working_set:
-        if dist.has_metadata('dependency_links.txt'):
-            dependency_links.extend(
-                dist.get_metadata_lines('dependency_links.txt')
-            )
-    for link in find_links:
-        if '#egg=' in link:
-            dependency_links.append(link)
-    for link in find_links:
-        yield '-f %s' % link
-    installations = {}
-    for dist in get_installed_distributions(local_only=local_only,
-                                            skip=(),
-                                            user_only=user_only):
-        try:
-            req = pip.FrozenRequirement.from_dist(
-                dist,
-                dependency_links
-            )
-        except RequirementParseError:
-            logger.warning(
-                "Could not parse requirement: %s",
-                dist.project_name
-            )
-            continue
-        installations[req.name] = req
-
-    if requirement:
-        # the options that don't get turned into an InstallRequirement
-        # should only be emitted once, even if the same option is in multiple
-        # requirements files, so we need to keep track of what has been emitted
-        # so that we don't emit it again if it's seen again
-        emitted_options = set()
-        for req_file_path in requirement:
-            with open(req_file_path) as req_file:
-                for line in req_file:
-                    if (not line.strip() or
-                            line.strip().startswith('#') or
-                            (skip_match and skip_match(line)) or
-                            line.startswith((
-                                '-r', '--requirement',
-                                '-Z', '--always-unzip',
-                                '-f', '--find-links',
-                                '-i', '--index-url',
-                                '--pre',
-                                '--trusted-host',
-                                '--process-dependency-links',
-                                '--extra-index-url'))):
-                        line = line.rstrip()
-                        if line not in emitted_options:
-                            emitted_options.add(line)
-                            yield line
-                        continue
-
-                    if line.startswith('-e') or line.startswith('--editable'):
-                        if line.startswith('-e'):
-                            line = line[2:].strip()
-                        else:
-                            line = line[len('--editable'):].strip().lstrip('=')
-                        line_req = InstallRequirement.from_editable(
-                            line,
-                            default_vcs=default_vcs,
-                            isolated=isolated,
-                            wheel_cache=wheel_cache,
-                        )
-                    else:
-                        line_req = InstallRequirement.from_line(
-                            COMMENT_RE.sub('', line).strip(),
-                            isolated=isolated,
-                            wheel_cache=wheel_cache,
-                        )
-
-                    if not line_req.name:
-                        logger.info(
-                            "Skipping line in requirement file [%s] because "
-                            "it's not clear what it would install: %s",
-                            req_file_path, line.strip(),
-                        )
-                        logger.info(
-                            "  (add #egg=PackageName to the URL to avoid"
-                            " this warning)"
-                        )
-                    elif line_req.name not in installations:
-                        logger.warning(
-                            "Requirement file [%s] contains %s, but that "
-                            "package is not installed",
-                            req_file_path, COMMENT_RE.sub('', line).strip(),
-                        )
-                    else:
-                        yield str(installations[line_req.name]).rstrip()
-                        del installations[line_req.name]
-
-        yield(
-            '## The following requirements were added by '
-            'pip freeze:'
-        )
-    for installation in sorted(
-            installations.values(), key=lambda x: x.name.lower()):
-        if canonicalize_name(installation.name) not in skip:
-            yield str(installation).rstrip()

classifier/myenv/lib/python3.6/site-packages/pip/pep425tags.py

@@ -1,324 +0,0 @@
-"""Generate and work with PEP 425 Compatibility Tags."""
-from __future__ import absolute_import
-
-import re
-import sys
-import warnings
-import platform
-import logging
-
-try:
-    import sysconfig
-except ImportError:  # pragma nocover
-    # Python < 2.7
-    import distutils.sysconfig as sysconfig
-import distutils.util
-
-from pip.compat import OrderedDict
-import pip.utils.glibc
-
-logger = logging.getLogger(__name__)
-
-_osx_arch_pat = re.compile(r'(.+)_(\d+)_(\d+)_(.+)')
-
-
-def get_config_var(var):
-    try:
-        return sysconfig.get_config_var(var)
-    except IOError as e:  # Issue #1074
-        warnings.warn("{0}".format(e), RuntimeWarning)
-        return None
-
-
-def get_abbr_impl():
-    """Return abbreviated implementation name."""
-    if hasattr(sys, 'pypy_version_info'):
-        pyimpl = 'pp'
-    elif sys.platform.startswith('java'):
-        pyimpl = 'jy'
-    elif sys.platform == 'cli':
-        pyimpl = 'ip'
-    else:
-        pyimpl = 'cp'
-    return pyimpl
-
-
-def get_impl_ver():
-    """Return implementation version."""
-    impl_ver = get_config_var("py_version_nodot")
-    if not impl_ver or get_abbr_impl() == 'pp':
-        impl_ver = ''.join(map(str, get_impl_version_info()))
-    return impl_ver
-
-
-def get_impl_version_info():
-    """Return sys.version_info-like tuple for use in decrementing the minor
-    version."""
-    if get_abbr_impl() == 'pp':
-        # as per https://github.com/pypa/pip/issues/2882
-        return (sys.version_info[0], sys.pypy_version_info.major,
-                sys.pypy_version_info.minor)
-    else:
-        return sys.version_info[0], sys.version_info[1]
-
-
-def get_impl_tag():
-    """
-    Returns the Tag for this specific implementation.
-    """
-    return "{0}{1}".format(get_abbr_impl(), get_impl_ver())
-
-
-def get_flag(var, fallback, expected=True, warn=True):
-    """Use a fallback method for determining SOABI flags if the needed config
-    var is unset or unavailable."""
-    val = get_config_var(var)
-    if val is None:
-        if warn:
-            logger.debug("Config variable '%s' is unset, Python ABI tag may "
-                         "be incorrect", var)
-        return fallback()
-    return val == expected
-
-
-def get_abi_tag():
-    """Return the ABI tag based on SOABI (if available) or emulate SOABI
-    (CPython 2, PyPy)."""
-    soabi = get_config_var('SOABI')
-    impl = get_abbr_impl()
-    if not soabi and impl in ('cp', 'pp') and hasattr(sys, 'maxunicode'):
-        d = ''
-        m = ''
-        u = ''
-        if get_flag('Py_DEBUG',
-                    lambda: hasattr(sys, 'gettotalrefcount'),
-                    warn=(impl == 'cp')):
-            d = 'd'
-        if get_flag('WITH_PYMALLOC',
-                    lambda: impl == 'cp',
-                    warn=(impl == 'cp')):
-            m = 'm'
-        if get_flag('Py_UNICODE_SIZE',
-                    lambda: sys.maxunicode == 0x10ffff,
-                    expected=4,
-                    warn=(impl == 'cp' and
-                          sys.version_info < (3, 3))) \
-                and sys.version_info < (3, 3):
-            u = 'u'
-        abi = '%s%s%s%s%s' % (impl, get_impl_ver(), d, m, u)
-    elif soabi and soabi.startswith('cpython-'):
-        abi = 'cp' + soabi.split('-')[1]
-    elif soabi:
-        abi = soabi.replace('.', '_').replace('-', '_')
-    else:
-        abi = None
-    return abi
-
-
-def _is_running_32bit():
-    return sys.maxsize == 2147483647
-
-
-def get_platform():
-    """Return our platform name 'win32', 'linux_x86_64'"""
-    if sys.platform == 'darwin':
-        # distutils.util.get_platform() returns the release based on the value
-        # of MACOSX_DEPLOYMENT_TARGET on which Python was built, which may
-        # be significantly older than the user's current machine.
-        release, _, machine = platform.mac_ver()
-        split_ver = release.split('.')
-
-        if machine == "x86_64" and _is_running_32bit():
-            machine = "i386"
-        elif machine == "ppc64" and _is_running_32bit():
-            machine = "ppc"
-
-        return 'macosx_{0}_{1}_{2}'.format(split_ver[0], split_ver[1], machine)
-
-    # XXX remove distutils dependency
-    result = distutils.util.get_platform().replace('.', '_').replace('-', '_')
-    if result == "linux_x86_64" and _is_running_32bit():
-        # 32 bit Python program (running on a 64 bit Linux): pip should only
-        # install and run 32 bit compiled extensions in that case.
-        result = "linux_i686"
-
-    return result
-
-
-def is_manylinux1_compatible():
-    # Only Linux, and only x86-64 / i686
-    if get_platform() not in ("linux_x86_64", "linux_i686"):
-        return False
-
-    # Check for presence of _manylinux module
-    try:
-        import _manylinux
-        return bool(_manylinux.manylinux1_compatible)
-    except (ImportError, AttributeError):
-        # Fall through to heuristic check below
-        pass
-
-    # Check glibc version. CentOS 5 uses glibc 2.5.
-    return pip.utils.glibc.have_compatible_glibc(2, 5)
-
-
-def get_darwin_arches(major, minor, machine):
-    """Return a list of supported arches (including group arches) for
-    the given major, minor and machine architecture of an macOS machine.
-    """
-    arches = []
-
-    def _supports_arch(major, minor, arch):
-        # Looking at the application support for macOS versions in the chart
-        # provided by https://en.wikipedia.org/wiki/OS_X#Versions it appears
-        # our timeline looks roughly like:
-        #
-        # 10.0 - Introduces ppc support.
-        # 10.4 - Introduces ppc64, i386, and x86_64 support, however the ppc64
-        #        and x86_64 support is CLI only, and cannot be used for GUI
-        #        applications.
-        # 10.5 - Extends ppc64 and x86_64 support to cover GUI applications.
-        # 10.6 - Drops support for ppc64
-        # 10.7 - Drops support for ppc
-        #
-        # Given that we do not know if we're installing a CLI or a GUI
-        # application, we must be conservative and assume it might be a GUI
-        # application and behave as if ppc64 and x86_64 support did not occur
-        # until 10.5.
-        #
-        # Note: The above information is taken from the "Application support"
-        #       column in the chart not the "Processor support" since I believe
-        #       that we care about what instruction sets an application can use
-        #       not which processors the OS supports.
-        if arch == 'ppc':
-            return (major, minor) <= (10, 5)
-        if arch == 'ppc64':
-            return (major, minor) == (10, 5)
-        if arch == 'i386':
-            return (major, minor) >= (10, 4)
-        if arch == 'x86_64':
-            return (major, minor) >= (10, 5)
-        if arch in groups:
-            for garch in groups[arch]:
-                if _supports_arch(major, minor, garch):
-                    return True
-        return False
-
-    groups = OrderedDict([
-        ("fat", ("i386", "ppc")),
-        ("intel", ("x86_64", "i386")),
-        ("fat64", ("x86_64", "ppc64")),
-        ("fat32", ("x86_64", "i386", "ppc")),
-    ])
-
-    if _supports_arch(major, minor, machine):
-        arches.append(machine)
-
-    for garch in groups:
-        if machine in groups[garch] and _supports_arch(major, minor, garch):
-            arches.append(garch)
-
-    arches.append('universal')
-
-    return arches
-
-
-def get_supported(versions=None, noarch=False, platform=None,
-                  impl=None, abi=None):
-    """Return a list of supported tags for each version specified in
-    `versions`.
-
-    :param versions: a list of string versions, of the form ["33", "32"],
-        or None. The first version will be assumed to support our ABI.
-    :param platform: specify the exact platform you want valid
-        tags for, or None. If None, use the local system platform.
-    :param impl: specify the exact implementation you want valid
-        tags for, or None. If None, use the local interpreter impl.
-    :param abi: specify the exact abi you want valid
-        tags for, or None. If None, use the local interpreter abi.
-    """
-    supported = []
-
-    # Versions must be given with respect to the preference
-    if versions is None:
-        versions = []
-        version_info = get_impl_version_info()
-        major = version_info[:-1]
-        # Support all previous minor Python versions.
-        for minor in range(version_info[-1], -1, -1):
-            versions.append(''.join(map(str, major + (minor,))))
-
-    impl = impl or get_abbr_impl()
-
-    abis = []
-
-    abi = abi or get_abi_tag()
-    if abi:
-        abis[0:0] = [abi]
-
-    abi3s = set()
-    import imp
-    for suffix in imp.get_suffixes():
-        if suffix[0].startswith('.abi'):
-            abi3s.add(suffix[0].split('.', 2)[1])
-
-    abis.extend(sorted(list(abi3s)))
-
-    abis.append('none')
-
-    if not noarch:
-        arch = platform or get_platform()
-        if arch.startswith('macosx'):
-            # support macosx-10.6-intel on macosx-10.9-x86_64
-            match = _osx_arch_pat.match(arch)
-            if match:
-                name, major, minor, actual_arch = match.groups()
-                tpl = '{0}_{1}_%i_%s'.format(name, major)
-                arches = []
-                for m in reversed(range(int(minor) + 1)):
-                    for a in get_darwin_arches(int(major), m, actual_arch):
-                        arches.append(tpl % (m, a))
-            else:
-                # arch pattern didn't match (?!)
-                arches = [arch]
-        elif platform is None and is_manylinux1_compatible():
-            arches = [arch.replace('linux', 'manylinux1'), arch]
-        else:
-            arches = [arch]
-
-        # Current version, current API (built specifically for our Python):
-        for abi in abis:
-            for arch in arches:
-                supported.append(('%s%s' % (impl, versions[0]), abi, arch))
-
-        # abi3 modules compatible with older version of Python
-        for version in versions[1:]:
-            # abi3 was introduced in Python 3.2
-            if version in ('31', '30'):
-                break
-            for abi in abi3s:   # empty set if not Python 3
-                for arch in arches:
-                    supported.append(("%s%s" % (impl, version), abi, arch))
-
-        # Has binaries, does not use the Python API:
-        for arch in arches:
-            supported.append(('py%s' % (versions[0][0]), 'none', arch))
-
-    # No abi / arch, but requires our implementation:
-    supported.append(('%s%s' % (impl, versions[0]), 'none', 'any'))
-    # Tagged specifically as being cross-version compatible
-    # (with just the major version specified)
-    supported.append(('%s%s' % (impl, versions[0][0]), 'none', 'any'))
-
-    # No abi / arch, generic Python
-    for i, version in enumerate(versions):
-        supported.append(('py%s' % (version,), 'none', 'any'))
-        if i == 0:
-            supported.append(('py%s' % (version[0]), 'none', 'any'))
-
-    return supported
-
-supported_tags = get_supported()
-supported_tags_noarch = get_supported(noarch=True)
-
-implementation_tag = get_impl_tag()

classifier/myenv/lib/python3.6/site-packages/pip/req/__init__.py

@@ -1,10 +0,0 @@
-from __future__ import absolute_import
-
-from .req_install import InstallRequirement
-from .req_set import RequirementSet, Requirements
-from .req_file import parse_requirements
-
-__all__ = [
-    "RequirementSet", "Requirements", "InstallRequirement",
-    "parse_requirements",
-]

classifier/myenv/lib/python3.6/site-packages/pip/req/req_file.py

@@ -1,342 +0,0 @@
-"""
-Requirements file parsing
-"""
-
-from __future__ import absolute_import
-
-import os
-import re
-import shlex
-import sys
-import optparse
-import warnings
-
-from pip._vendor.six.moves.urllib import parse as urllib_parse
-from pip._vendor.six.moves import filterfalse
-
-import pip
-from pip.download import get_file_content
-from pip.req.req_install import InstallRequirement
-from pip.exceptions import (RequirementsFileParseError)
-from pip.utils.deprecation import RemovedInPip10Warning
-from pip import cmdoptions
-
-__all__ = ['parse_requirements']
-
-SCHEME_RE = re.compile(r'^(http|https|file):', re.I)
-COMMENT_RE = re.compile(r'(^|\s)+#.*$')
-
-SUPPORTED_OPTIONS = [
-    cmdoptions.constraints,
-    cmdoptions.editable,
-    cmdoptions.requirements,
-    cmdoptions.no_index,
-    cmdoptions.index_url,
-    cmdoptions.find_links,
-    cmdoptions.extra_index_url,
-    cmdoptions.allow_external,
-    cmdoptions.allow_all_external,
-    cmdoptions.no_allow_external,
-    cmdoptions.allow_unsafe,
-    cmdoptions.no_allow_unsafe,
-    cmdoptions.use_wheel,
-    cmdoptions.no_use_wheel,
-    cmdoptions.always_unzip,
-    cmdoptions.no_binary,
-    cmdoptions.only_binary,
-    cmdoptions.pre,
-    cmdoptions.process_dependency_links,
-    cmdoptions.trusted_host,
-    cmdoptions.require_hashes,
-]
-
-# options to be passed to requirements
-SUPPORTED_OPTIONS_REQ = [
-    cmdoptions.install_options,
-    cmdoptions.global_options,
-    cmdoptions.hash,
-]
-
-# the 'dest' string values
-SUPPORTED_OPTIONS_REQ_DEST = [o().dest for o in SUPPORTED_OPTIONS_REQ]
-
-
-def parse_requirements(filename, finder=None, comes_from=None, options=None,
-                       session=None, constraint=False, wheel_cache=None):
-    """Parse a requirements file and yield InstallRequirement instances.
-
-    :param filename:    Path or url of requirements file.
-    :param finder:      Instance of pip.index.PackageFinder.
-    :param comes_from:  Origin description of requirements.
-    :param options:     cli options.
-    :param session:     Instance of pip.download.PipSession.
-    :param constraint:  If true, parsing a constraint file rather than
-        requirements file.
-    :param wheel_cache: Instance of pip.wheel.WheelCache
-    """
-    if session is None:
-        raise TypeError(
-            "parse_requirements() missing 1 required keyword argument: "
-            "'session'"
-        )
-
-    _, content = get_file_content(
-        filename, comes_from=comes_from, session=session
-    )
-
-    lines_enum = preprocess(content, options)
-
-    for line_number, line in lines_enum:
-        req_iter = process_line(line, filename, line_number, finder,
-                                comes_from, options, session, wheel_cache,
-                                constraint=constraint)
-        for req in req_iter:
-            yield req
-
-
-def preprocess(content, options):
-    """Split, filter, and join lines, and return a line iterator
-
-    :param content: the content of the requirements file
-    :param options: cli options
-    """
-    lines_enum = enumerate(content.splitlines(), start=1)
-    lines_enum = join_lines(lines_enum)
-    lines_enum = ignore_comments(lines_enum)
-    lines_enum = skip_regex(lines_enum, options)
-    return lines_enum
-
-
-def process_line(line, filename, line_number, finder=None, comes_from=None,
-                 options=None, session=None, wheel_cache=None,
-                 constraint=False):
-    """Process a single requirements line; This can result in creating/yielding
-    requirements, or updating the finder.
-
-    For lines that contain requirements, the only options that have an effect
-    are from SUPPORTED_OPTIONS_REQ, and they are scoped to the
-    requirement. Other options from SUPPORTED_OPTIONS may be present, but are
-    ignored.
-
-    For lines that do not contain requirements, the only options that have an
-    effect are from SUPPORTED_OPTIONS. Options from SUPPORTED_OPTIONS_REQ may
-    be present, but are ignored. These lines may contain multiple options
-    (although our docs imply only one is supported), and all our parsed and
-    affect the finder.
-
-    :param constraint: If True, parsing a constraints file.
-    :param options: OptionParser options that we may update
-    """
-    parser = build_parser()
-    defaults = parser.get_default_values()
-    defaults.index_url = None
-    if finder:
-        # `finder.format_control` will be updated during parsing
-        defaults.format_control = finder.format_control
-    args_str, options_str = break_args_options(line)
-    if sys.version_info < (2, 7, 3):
-        # Prior to 2.7.3, shlex cannot deal with unicode entries
-        options_str = options_str.encode('utf8')
-    opts, _ = parser.parse_args(shlex.split(options_str), defaults)
-
-    # preserve for the nested code path
-    line_comes_from = '%s %s (line %s)' % (
-        '-c' if constraint else '-r', filename, line_number)
-
-    # yield a line requirement
-    if args_str:
-        isolated = options.isolated_mode if options else False
-        if options:
-            cmdoptions.check_install_build_global(options, opts)
-        # get the options that apply to requirements
-        req_options = {}
-        for dest in SUPPORTED_OPTIONS_REQ_DEST:
-            if dest in opts.__dict__ and opts.__dict__[dest]:
-                req_options[dest] = opts.__dict__[dest]
-        yield InstallRequirement.from_line(
-            args_str, line_comes_from, constraint=constraint,
-            isolated=isolated, options=req_options, wheel_cache=wheel_cache
-        )
-
-    # yield an editable requirement
-    elif opts.editables:
-        isolated = options.isolated_mode if options else False
-        default_vcs = options.default_vcs if options else None
-        yield InstallRequirement.from_editable(
-            opts.editables[0], comes_from=line_comes_from,
-            constraint=constraint, default_vcs=default_vcs, isolated=isolated,
-            wheel_cache=wheel_cache
-        )
-
-    # parse a nested requirements file
-    elif opts.requirements or opts.constraints:
-        if opts.requirements:
-            req_path = opts.requirements[0]
-            nested_constraint = False
-        else:
-            req_path = opts.constraints[0]
-            nested_constraint = True
-        # original file is over http
-        if SCHEME_RE.search(filename):
-            # do a url join so relative paths work
-            req_path = urllib_parse.urljoin(filename, req_path)
-        # original file and nested file are paths
-        elif not SCHEME_RE.search(req_path):
-            # do a join so relative paths work
-            req_path = os.path.join(os.path.dirname(filename), req_path)
-        # TODO: Why not use `comes_from='-r {} (line {})'` here as well?
-        parser = parse_requirements(
-            req_path, finder, comes_from, options, session,
-            constraint=nested_constraint, wheel_cache=wheel_cache
-        )
-        for req in parser:
-            yield req
-
-    # percolate hash-checking option upward
-    elif opts.require_hashes:
-        options.require_hashes = opts.require_hashes
-
-    # set finder options
-    elif finder:
-        if opts.allow_external:
-            warnings.warn(
-                "--allow-external has been deprecated and will be removed in "
-                "the future. Due to changes in the repository protocol, it no "
-                "longer has any effect.",
-                RemovedInPip10Warning,
-            )
-
-        if opts.allow_all_external:
-            warnings.warn(
-                "--allow-all-external has been deprecated and will be removed "
-                "in the future. Due to changes in the repository protocol, it "
-                "no longer has any effect.",
-                RemovedInPip10Warning,
-            )
-
-        if opts.allow_unverified:
-            warnings.warn(
-                "--allow-unverified has been deprecated and will be removed "
-                "in the future. Due to changes in the repository protocol, it "
-                "no longer has any effect.",
-                RemovedInPip10Warning,
-            )
-
-        if opts.index_url:
-            finder.index_urls = [opts.index_url]
-        if opts.use_wheel is False:
-            finder.use_wheel = False
-            pip.index.fmt_ctl_no_use_wheel(finder.format_control)
-        if opts.no_index is True:
-            finder.index_urls = []
-        if opts.extra_index_urls:
-            finder.index_urls.extend(opts.extra_index_urls)
-        if opts.find_links:
-            # FIXME: it would be nice to keep track of the source
-            # of the find_links: support a find-links local path
-            # relative to a requirements file.
-            value = opts.find_links[0]
-            req_dir = os.path.dirname(os.path.abspath(filename))
-            relative_to_reqs_file = os.path.join(req_dir, value)
-            if os.path.exists(relative_to_reqs_file):
-                value = relative_to_reqs_file
-            finder.find_links.append(value)
-        if opts.pre:
-            finder.allow_all_prereleases = True
-        if opts.process_dependency_links:
-            finder.process_dependency_links = True
-        if opts.trusted_hosts:
-            finder.secure_origins.extend(
-                ("*", host, "*") for host in opts.trusted_hosts)
-
-
-def break_args_options(line):
-    """Break up the line into an args and options string.  We only want to shlex
-    (and then optparse) the options, not the args.  args can contain markers
-    which are corrupted by shlex.
-    """
-    tokens = line.split(' ')
-    args = []
-    options = tokens[:]
-    for token in tokens:
-        if token.startswith('-') or token.startswith('--'):
-            break
-        else:
-            args.append(token)
-            options.pop(0)
-    return ' '.join(args), ' '.join(options)
-
-
-def build_parser():
-    """
-    Return a parser for parsing requirement lines
-    """
-    parser = optparse.OptionParser(add_help_option=False)
-
-    option_factories = SUPPORTED_OPTIONS + SUPPORTED_OPTIONS_REQ
-    for option_factory in option_factories:
-        option = option_factory()
-        parser.add_option(option)
-
-    # By default optparse sys.exits on parsing errors. We want to wrap
-    # that in our own exception.
-    def parser_exit(self, msg):
-        raise RequirementsFileParseError(msg)
-    parser.exit = parser_exit
-
-    return parser
-
-
-def join_lines(lines_enum):
-    """Joins a line ending in '\' with the previous line (except when following
-    comments).  The joined line takes on the index of the first line.
-    """
-    primary_line_number = None
-    new_line = []
-    for line_number, line in lines_enum:
-        if not line.endswith('\\') or COMMENT_RE.match(line):
-            if COMMENT_RE.match(line):
-                # this ensures comments are always matched later
-                line = ' ' + line
-            if new_line:
-                new_line.append(line)
-                yield primary_line_number, ''.join(new_line)
-                new_line = []
-            else:
-                yield line_number, line
-        else:
-            if not new_line:
-                primary_line_number = line_number
-            new_line.append(line.strip('\\'))
-
-    # last line contains \
-    if new_line:
-        yield primary_line_number, ''.join(new_line)
-
-    # TODO: handle space after '\'.
-
-
-def ignore_comments(lines_enum):
-    """
-    Strips comments and filter empty lines.
-    """
-    for line_number, line in lines_enum:
-        line = COMMENT_RE.sub('', line)
-        line = line.strip()
-        if line:
-            yield line_number, line
-
-
-def skip_regex(lines_enum, options):
-    """
-    Skip lines that match '--skip-requirements-regex' pattern
-
-    Note: the regex pattern is only built once
-    """
-    skip_regex = options.skip_requirements_regex if options else None
-    if skip_regex:
-        pattern = re.compile(skip_regex)
-        lines_enum = filterfalse(
-            lambda e: pattern.search(e[1]),
-            lines_enum)
-    return lines_enum

classifier/myenv/lib/python3.6/site-packages/pip/req/req_set.py

@@ -1,798 +0,0 @@
-from __future__ import absolute_import
-
-from collections import defaultdict
-from itertools import chain
-import logging
-import os
-
-from pip._vendor import pkg_resources
-from pip._vendor import requests
-
-from pip.compat import expanduser
-from pip.download import (is_file_url, is_dir_url, is_vcs_url, url_to_path,
-                          unpack_url)
-from pip.exceptions import (InstallationError, BestVersionAlreadyInstalled,
-                            DistributionNotFound, PreviousBuildDirError,
-                            HashError, HashErrors, HashUnpinned,
-                            DirectoryUrlHashUnsupported, VcsHashUnsupported,
-                            UnsupportedPythonVersion)
-from pip.req.req_install import InstallRequirement
-from pip.utils import (
-    display_path, dist_in_usersite, ensure_dir, normalize_path)
-from pip.utils.hashes import MissingHashes
-from pip.utils.logging import indent_log
-from pip.utils.packaging import check_dist_requires_python
-from pip.vcs import vcs
-from pip.wheel import Wheel
-
-logger = logging.getLogger(__name__)
-
-
-class Requirements(object):
-
-    def __init__(self):
-        self._keys = []
-        self._dict = {}
-
-    def keys(self):
-        return self._keys
-
-    def values(self):
-        return [self._dict[key] for key in self._keys]
-
-    def __contains__(self, item):
-        return item in self._keys
-
-    def __setitem__(self, key, value):
-        if key not in self._keys:
-            self._keys.append(key)
-        self._dict[key] = value
-
-    def __getitem__(self, key):
-        return self._dict[key]
-
-    def __repr__(self):
-        values = ['%s: %s' % (repr(k), repr(self[k])) for k in self.keys()]
-        return 'Requirements({%s})' % ', '.join(values)
-
-
-class DistAbstraction(object):
-    """Abstracts out the wheel vs non-wheel prepare_files logic.
-
-    The requirements for anything installable are as follows:
-     - we must be able to determine the requirement name
-       (or we can't correctly handle the non-upgrade case).
-     - we must be able to generate a list of run-time dependencies
-       without installing any additional packages (or we would
-       have to either burn time by doing temporary isolated installs
-       or alternatively violate pips 'don't start installing unless
-       all requirements are available' rule - neither of which are
-       desirable).
-     - for packages with setup requirements, we must also be able
-       to determine their requirements without installing additional
-       packages (for the same reason as run-time dependencies)
-     - we must be able to create a Distribution object exposing the
-       above metadata.
-    """
-
-    def __init__(self, req_to_install):
-        self.req_to_install = req_to_install
-
-    def dist(self, finder):
-        """Return a setuptools Dist object."""
-        raise NotImplementedError(self.dist)
-
-    def prep_for_dist(self):
-        """Ensure that we can get a Dist for this requirement."""
-        raise NotImplementedError(self.dist)
-
-
-def make_abstract_dist(req_to_install):
-    """Factory to make an abstract dist object.
-
-    Preconditions: Either an editable req with a source_dir, or satisfied_by or
-    a wheel link, or a non-editable req with a source_dir.
-
-    :return: A concrete DistAbstraction.
-    """
-    if req_to_install.editable:
-        return IsSDist(req_to_install)
-    elif req_to_install.link and req_to_install.link.is_wheel:
-        return IsWheel(req_to_install)
-    else:
-        return IsSDist(req_to_install)
-
-
-class IsWheel(DistAbstraction):
-
-    def dist(self, finder):
-        return list(pkg_resources.find_distributions(
-            self.req_to_install.source_dir))[0]
-
-    def prep_for_dist(self):
-        # FIXME:https://github.com/pypa/pip/issues/1112
-        pass
-
-
-class IsSDist(DistAbstraction):
-
-    def dist(self, finder):
-        dist = self.req_to_install.get_dist()
-        # FIXME: shouldn't be globally added:
-        if dist.has_metadata('dependency_links.txt'):
-            finder.add_dependency_links(
-                dist.get_metadata_lines('dependency_links.txt')
-            )
-        return dist
-
-    def prep_for_dist(self):
-        self.req_to_install.run_egg_info()
-        self.req_to_install.assert_source_matches_version()
-
-
-class Installed(DistAbstraction):
-
-    def dist(self, finder):
-        return self.req_to_install.satisfied_by
-
-    def prep_for_dist(self):
-        pass
-
-
-class RequirementSet(object):
-
-    def __init__(self, build_dir, src_dir, download_dir, upgrade=False,
-                 upgrade_strategy=None, ignore_installed=False, as_egg=False,
-                 target_dir=None, ignore_dependencies=False,
-                 force_reinstall=False, use_user_site=False, session=None,
-                 pycompile=True, isolated=False, wheel_download_dir=None,
-                 wheel_cache=None, require_hashes=False,
-                 ignore_requires_python=False):
-        """Create a RequirementSet.
-
-        :param wheel_download_dir: Where still-packed .whl files should be
-            written to. If None they are written to the download_dir parameter.
-            Separate to download_dir to permit only keeping wheel archives for
-            pip wheel.
-        :param download_dir: Where still packed archives should be written to.
-            If None they are not saved, and are deleted immediately after
-            unpacking.
-        :param wheel_cache: The pip wheel cache, for passing to
-            InstallRequirement.
-        """
-        if session is None:
-            raise TypeError(
-                "RequirementSet() missing 1 required keyword argument: "
-                "'session'"
-            )
-
-        self.build_dir = build_dir
-        self.src_dir = src_dir
-        # XXX: download_dir and wheel_download_dir overlap semantically and may
-        # be combined if we're willing to have non-wheel archives present in
-        # the wheelhouse output by 'pip wheel'.
-        self.download_dir = download_dir
-        self.upgrade = upgrade
-        self.upgrade_strategy = upgrade_strategy
-        self.ignore_installed = ignore_installed
-        self.force_reinstall = force_reinstall
-        self.requirements = Requirements()
-        # Mapping of alias: real_name
-        self.requirement_aliases = {}
-        self.unnamed_requirements = []
-        self.ignore_dependencies = ignore_dependencies
-        self.ignore_requires_python = ignore_requires_python
-        self.successfully_downloaded = []
-        self.successfully_installed = []
-        self.reqs_to_cleanup = []
-        self.as_egg = as_egg
-        self.use_user_site = use_user_site
-        self.target_dir = target_dir  # set from --target option
-        self.session = session
-        self.pycompile = pycompile
-        self.isolated = isolated
-        if wheel_download_dir:
-            wheel_download_dir = normalize_path(wheel_download_dir)
-        self.wheel_download_dir = wheel_download_dir
-        self._wheel_cache = wheel_cache
-        self.require_hashes = require_hashes
-        # Maps from install_req -> dependencies_of_install_req
-        self._dependencies = defaultdict(list)
-
-    def __str__(self):
-        reqs = [req for req in self.requirements.values()
-                if not req.comes_from]
-        reqs.sort(key=lambda req: req.name.lower())
-        return ' '.join([str(req.req) for req in reqs])
-
-    def __repr__(self):
-        reqs = [req for req in self.requirements.values()]
-        reqs.sort(key=lambda req: req.name.lower())
-        reqs_str = ', '.join([str(req.req) for req in reqs])
-        return ('<%s object; %d requirement(s): %s>'
-                % (self.__class__.__name__, len(reqs), reqs_str))
-
-    def add_requirement(self, install_req, parent_req_name=None,
-                        extras_requested=None):
-        """Add install_req as a requirement to install.
-
-        :param parent_req_name: The name of the requirement that needed this
-            added. The name is used because when multiple unnamed requirements
-            resolve to the same name, we could otherwise end up with dependency
-            links that point outside the Requirements set. parent_req must
-            already be added. Note that None implies that this is a user
-            supplied requirement, vs an inferred one.
-        :param extras_requested: an iterable of extras used to evaluate the
-            environement markers.
-        :return: Additional requirements to scan. That is either [] if
-            the requirement is not applicable, or [install_req] if the
-            requirement is applicable and has just been added.
-        """
-        name = install_req.name
-        if not install_req.match_markers(extras_requested):
-            logger.warning("Ignoring %s: markers '%s' don't match your "
-                           "environment", install_req.name,
-                           install_req.markers)
-            return []
-
-        # This check has to come after we filter requirements with the
-        # environment markers.
-        if install_req.link and install_req.link.is_wheel:
-            wheel = Wheel(install_req.link.filename)
-            if not wheel.supported():
-                raise InstallationError(
-                    "%s is not a supported wheel on this platform." %
-                    wheel.filename
-                )
-
-        install_req.as_egg = self.as_egg
-        install_req.use_user_site = self.use_user_site
-        install_req.target_dir = self.target_dir
-        install_req.pycompile = self.pycompile
-        install_req.is_direct = (parent_req_name is None)
-
-        if not name:
-            # url or path requirement w/o an egg fragment
-            self.unnamed_requirements.append(install_req)
-            return [install_req]
-        else:
-            try:
-                existing_req = self.get_requirement(name)
-            except KeyError:
-                existing_req = None
-            if (parent_req_name is None and existing_req and not
-                    existing_req.constraint and
-                    existing_req.extras == install_req.extras and not
-                    existing_req.req.specifier == install_req.req.specifier):
-                raise InstallationError(
-                    'Double requirement given: %s (already in %s, name=%r)'
-                    % (install_req, existing_req, name))
-            if not existing_req:
-                # Add requirement
-                self.requirements[name] = install_req
-                # FIXME: what about other normalizations?  E.g., _ vs. -?
-                if name.lower() != name:
-                    self.requirement_aliases[name.lower()] = name
-                result = [install_req]
-            else:
-                # Assume there's no need to scan, and that we've already
-                # encountered this for scanning.
-                result = []
-                if not install_req.constraint and existing_req.constraint:
-                    if (install_req.link and not (existing_req.link and
-                       install_req.link.path == existing_req.link.path)):
-                        self.reqs_to_cleanup.append(install_req)
-                        raise InstallationError(
-                            "Could not satisfy constraints for '%s': "
-                            "installation from path or url cannot be "
-                            "constrained to a version" % name)
-                    # If we're now installing a constraint, mark the existing
-                    # object for real installation.
-                    existing_req.constraint = False
-                    existing_req.extras = tuple(
-                        sorted(set(existing_req.extras).union(
-                               set(install_req.extras))))
-                    logger.debug("Setting %s extras to: %s",
-                                 existing_req, existing_req.extras)
-                    # And now we need to scan this.
-                    result = [existing_req]
-                # Canonicalise to the already-added object for the backref
-                # check below.
-                install_req = existing_req
-            if parent_req_name:
-                parent_req = self.get_requirement(parent_req_name)
-                self._dependencies[parent_req].append(install_req)
-            return result
-
-    def has_requirement(self, project_name):
-        name = project_name.lower()
-        if (name in self.requirements and
-           not self.requirements[name].constraint or
-           name in self.requirement_aliases and
-           not self.requirements[self.requirement_aliases[name]].constraint):
-            return True
-        return False
-
-    @property
-    def has_requirements(self):
-        return list(req for req in self.requirements.values() if not
-                    req.constraint) or self.unnamed_requirements
-
-    @property
-    def is_download(self):
-        if self.download_dir:
-            self.download_dir = expanduser(self.download_dir)
-            if os.path.exists(self.download_dir):
-                return True
-            else:
-                logger.critical('Could not find download directory')
-                raise InstallationError(
-                    "Could not find or access download directory '%s'"
-                    % display_path(self.download_dir))
-        return False
-
-    def get_requirement(self, project_name):
-        for name in project_name, project_name.lower():
-            if name in self.requirements:
-                return self.requirements[name]
-            if name in self.requirement_aliases:
-                return self.requirements[self.requirement_aliases[name]]
-        raise KeyError("No project with the name %r" % project_name)
-
-    def uninstall(self, auto_confirm=False):
-        for req in self.requirements.values():
-            if req.constraint:
-                continue
-            req.uninstall(auto_confirm=auto_confirm)
-            req.commit_uninstall()
-
-    def prepare_files(self, finder):
-        """
-        Prepare process. Create temp directories, download and/or unpack files.
-        """
-        # make the wheelhouse
-        if self.wheel_download_dir:
-            ensure_dir(self.wheel_download_dir)
-
-        # If any top-level requirement has a hash specified, enter
-        # hash-checking mode, which requires hashes from all.
-        root_reqs = self.unnamed_requirements + self.requirements.values()
-        require_hashes = (self.require_hashes or
-                          any(req.has_hash_options for req in root_reqs))
-        if require_hashes and self.as_egg:
-            raise InstallationError(
-                '--egg is not allowed with --require-hashes mode, since it '
-                'delegates dependency resolution to setuptools and could thus '
-                'result in installation of unhashed packages.')
-
-        # Actually prepare the files, and collect any exceptions. Most hash
-        # exceptions cannot be checked ahead of time, because
-        # req.populate_link() needs to be called before we can make decisions
-        # based on link type.
-        discovered_reqs = []
-        hash_errors = HashErrors()
-        for req in chain(root_reqs, discovered_reqs):
-            try:
-                discovered_reqs.extend(self._prepare_file(
-                    finder,
-                    req,
-                    require_hashes=require_hashes,
-                    ignore_dependencies=self.ignore_dependencies))
-            except HashError as exc:
-                exc.req = req
-                hash_errors.append(exc)
-
-        if hash_errors:
-            raise hash_errors
-
-    def _is_upgrade_allowed(self, req):
-        return self.upgrade and (
-            self.upgrade_strategy == "eager" or (
-                self.upgrade_strategy == "only-if-needed" and req.is_direct
-            )
-        )
-
-    def _check_skip_installed(self, req_to_install, finder):
-        """Check if req_to_install should be skipped.
-
-        This will check if the req is installed, and whether we should upgrade
-        or reinstall it, taking into account all the relevant user options.
-
-        After calling this req_to_install will only have satisfied_by set to
-        None if the req_to_install is to be upgraded/reinstalled etc. Any
-        other value will be a dist recording the current thing installed that
-        satisfies the requirement.
-
-        Note that for vcs urls and the like we can't assess skipping in this
-        routine - we simply identify that we need to pull the thing down,
-        then later on it is pulled down and introspected to assess upgrade/
-        reinstalls etc.
-
-        :return: A text reason for why it was skipped, or None.
-        """
-        # Check whether to upgrade/reinstall this req or not.
-        req_to_install.check_if_exists()
-        if req_to_install.satisfied_by:
-            upgrade_allowed = self._is_upgrade_allowed(req_to_install)
-
-            # Is the best version is installed.
-            best_installed = False
-
-            if upgrade_allowed:
-                # For link based requirements we have to pull the
-                # tree down and inspect to assess the version #, so
-                # its handled way down.
-                if not (self.force_reinstall or req_to_install.link):
-                    try:
-                        finder.find_requirement(
-                            req_to_install, upgrade_allowed)
-                    except BestVersionAlreadyInstalled:
-                        best_installed = True
-                    except DistributionNotFound:
-                        # No distribution found, so we squash the
-                        # error - it will be raised later when we
-                        # re-try later to do the install.
-                        # Why don't we just raise here?
-                        pass
-
-                if not best_installed:
-                    # don't uninstall conflict if user install and
-                    # conflict is not user install
-                    if not (self.use_user_site and not
-                            dist_in_usersite(req_to_install.satisfied_by)):
-                        req_to_install.conflicts_with = \
-                            req_to_install.satisfied_by
-                    req_to_install.satisfied_by = None
-
-            # Figure out a nice message to say why we're skipping this.
-            if best_installed:
-                skip_reason = 'already up-to-date'
-            elif self.upgrade_strategy == "only-if-needed":
-                skip_reason = 'not upgraded as not directly required'
-            else:
-                skip_reason = 'already satisfied'
-
-            return skip_reason
-        else:
-            return None
-
-    def _prepare_file(self,
-                      finder,
-                      req_to_install,
-                      require_hashes=False,
-                      ignore_dependencies=False):
-        """Prepare a single requirements file.
-
-        :return: A list of additional InstallRequirements to also install.
-        """
-        # Tell user what we are doing for this requirement:
-        # obtain (editable), skipping, processing (local url), collecting
-        # (remote url or package name)
-        if req_to_install.constraint or req_to_install.prepared:
-            return []
-
-        req_to_install.prepared = True
-
-        # ###################### #
-        # # print log messages # #
-        # ###################### #
-        if req_to_install.editable:
-            logger.info('Obtaining %s', req_to_install)
-        else:
-            # satisfied_by is only evaluated by calling _check_skip_installed,
-            # so it must be None here.
-            assert req_to_install.satisfied_by is None
-            if not self.ignore_installed:
-                skip_reason = self._check_skip_installed(
-                    req_to_install, finder)
-
-            if req_to_install.satisfied_by:
-                assert skip_reason is not None, (
-                    '_check_skip_installed returned None but '
-                    'req_to_install.satisfied_by is set to %r'
-                    % (req_to_install.satisfied_by,))
-                logger.info(
-                    'Requirement %s: %s', skip_reason,
-                    req_to_install)
-            else:
-                if (req_to_install.link and
-                        req_to_install.link.scheme == 'file'):
-                    path = url_to_path(req_to_install.link.url)
-                    logger.info('Processing %s', display_path(path))
-                else:
-                    logger.info('Collecting %s', req_to_install)
-
-        with indent_log():
-            # ################################ #
-            # # vcs update or unpack archive # #
-            # ################################ #
-            if req_to_install.editable:
-                if require_hashes:
-                    raise InstallationError(
-                        'The editable requirement %s cannot be installed when '
-                        'requiring hashes, because there is no single file to '
-                        'hash.' % req_to_install)
-                req_to_install.ensure_has_source_dir(self.src_dir)
-                req_to_install.update_editable(not self.is_download)
-                abstract_dist = make_abstract_dist(req_to_install)
-                abstract_dist.prep_for_dist()
-                if self.is_download:
-                    req_to_install.archive(self.download_dir)
-                req_to_install.check_if_exists()
-            elif req_to_install.satisfied_by:
-                if require_hashes:
-                    logger.debug(
-                        'Since it is already installed, we are trusting this '
-                        'package without checking its hash. To ensure a '
-                        'completely repeatable environment, install into an '
-                        'empty virtualenv.')
-                abstract_dist = Installed(req_to_install)
-            else:
-                # @@ if filesystem packages are not marked
-                # editable in a req, a non deterministic error
-                # occurs when the script attempts to unpack the
-                # build directory
-                req_to_install.ensure_has_source_dir(self.build_dir)
-                # If a checkout exists, it's unwise to keep going.  version
-                # inconsistencies are logged later, but do not fail the
-                # installation.
-                # FIXME: this won't upgrade when there's an existing
-                # package unpacked in `req_to_install.source_dir`
-                if os.path.exists(
-                        os.path.join(req_to_install.source_dir, 'setup.py')):
-                    raise PreviousBuildDirError(
-                        "pip can't proceed with requirements '%s' due to a"
-                        " pre-existing build directory (%s). This is "
-                        "likely due to a previous installation that failed"
-                        ". pip is being responsible and not assuming it "
-                        "can delete this. Please delete it and try again."
-                        % (req_to_install, req_to_install.source_dir)
-                    )
-                req_to_install.populate_link(
-                    finder,
-                    self._is_upgrade_allowed(req_to_install),
-                    require_hashes
-                )
-                # We can't hit this spot and have populate_link return None.
-                # req_to_install.satisfied_by is None here (because we're
-                # guarded) and upgrade has no impact except when satisfied_by
-                # is not None.
-                # Then inside find_requirement existing_applicable -> False
-                # If no new versions are found, DistributionNotFound is raised,
-                # otherwise a result is guaranteed.
-                assert req_to_install.link
-                link = req_to_install.link
-
-                # Now that we have the real link, we can tell what kind of
-                # requirements we have and raise some more informative errors
-                # than otherwise. (For example, we can raise VcsHashUnsupported
-                # for a VCS URL rather than HashMissing.)
-                if require_hashes:
-                    # We could check these first 2 conditions inside
-                    # unpack_url and save repetition of conditions, but then
-                    # we would report less-useful error messages for
-                    # unhashable requirements, complaining that there's no
-                    # hash provided.
-                    if is_vcs_url(link):
-                        raise VcsHashUnsupported()
-                    elif is_file_url(link) and is_dir_url(link):
-                        raise DirectoryUrlHashUnsupported()
-                    if (not req_to_install.original_link and
-                            not req_to_install.is_pinned):
-                        # Unpinned packages are asking for trouble when a new
-                        # version is uploaded. This isn't a security check, but
-                        # it saves users a surprising hash mismatch in the
-                        # future.
-                        #
-                        # file:/// URLs aren't pinnable, so don't complain
-                        # about them not being pinned.
-                        raise HashUnpinned()
-                hashes = req_to_install.hashes(
-                    trust_internet=not require_hashes)
-                if require_hashes and not hashes:
-                    # Known-good hashes are missing for this requirement, so
-                    # shim it with a facade object that will provoke hash
-                    # computation and then raise a HashMissing exception
-                    # showing the user what the hash should be.
-                    hashes = MissingHashes()
-
-                try:
-                    download_dir = self.download_dir
-                    # We always delete unpacked sdists after pip ran.
-                    autodelete_unpacked = True
-                    if req_to_install.link.is_wheel \
-                            and self.wheel_download_dir:
-                        # when doing 'pip wheel` we download wheels to a
-                        # dedicated dir.
-                        download_dir = self.wheel_download_dir
-                    if req_to_install.link.is_wheel:
-                        if download_dir:
-                            # When downloading, we only unpack wheels to get
-                            # metadata.
-                            autodelete_unpacked = True
-                        else:
-                            # When installing a wheel, we use the unpacked
-                            # wheel.
-                            autodelete_unpacked = False
-                    unpack_url(
-                        req_to_install.link, req_to_install.source_dir,
-                        download_dir, autodelete_unpacked,
-                        session=self.session, hashes=hashes)
-                except requests.HTTPError as exc:
-                    logger.critical(
-                        'Could not install requirement %s because '
-                        'of error %s',
-                        req_to_install,
-                        exc,
-                    )
-                    raise InstallationError(
-                        'Could not install requirement %s because '
-                        'of HTTP error %s for URL %s' %
-                        (req_to_install, exc, req_to_install.link)
-                    )
-                abstract_dist = make_abstract_dist(req_to_install)
-                abstract_dist.prep_for_dist()
-                if self.is_download:
-                    # Make a .zip of the source_dir we already created.
-                    if req_to_install.link.scheme in vcs.all_schemes:
-                        req_to_install.archive(self.download_dir)
-                # req_to_install.req is only avail after unpack for URL
-                # pkgs repeat check_if_exists to uninstall-on-upgrade
-                # (#14)
-                if not self.ignore_installed:
-                    req_to_install.check_if_exists()
-                if req_to_install.satisfied_by:
-                    if self.upgrade or self.ignore_installed:
-                        # don't uninstall conflict if user install and
-                        # conflict is not user install
-                        if not (self.use_user_site and not
-                                dist_in_usersite(
-                                    req_to_install.satisfied_by)):
-                            req_to_install.conflicts_with = \
-                                req_to_install.satisfied_by
-                        req_to_install.satisfied_by = None
-                    else:
-                        logger.info(
-                            'Requirement already satisfied (use '
-                            '--upgrade to upgrade): %s',
-                            req_to_install,
-                        )
-
-            # ###################### #
-            # # parse dependencies # #
-            # ###################### #
-            dist = abstract_dist.dist(finder)
-            try:
-                check_dist_requires_python(dist)
-            except UnsupportedPythonVersion as e:
-                if self.ignore_requires_python:
-                    logger.warning(e.args[0])
-                else:
-                    req_to_install.remove_temporary_source()
-                    raise
-            more_reqs = []
-
-            def add_req(subreq, extras_requested):
-                sub_install_req = InstallRequirement(
-                    str(subreq),
-                    req_to_install,
-                    isolated=self.isolated,
-                    wheel_cache=self._wheel_cache,
-                )
-                more_reqs.extend(self.add_requirement(
-                    sub_install_req, req_to_install.name,
-                    extras_requested=extras_requested))
-
-            # We add req_to_install before its dependencies, so that we
-            # can refer to it when adding dependencies.
-            if not self.has_requirement(req_to_install.name):
-                # 'unnamed' requirements will get added here
-                self.add_requirement(req_to_install, None)
-
-            if not ignore_dependencies:
-                if (req_to_install.extras):
-                    logger.debug(
-                        "Installing extra requirements: %r",
-                        ','.join(req_to_install.extras),
-                    )
-                missing_requested = sorted(
-                    set(req_to_install.extras) - set(dist.extras)
-                )
-                for missing in missing_requested:
-                    logger.warning(
-                        '%s does not provide the extra \'%s\'',
-                        dist, missing
-                    )
-
-                available_requested = sorted(
-                    set(dist.extras) & set(req_to_install.extras)
-                )
-                for subreq in dist.requires(available_requested):
-                    add_req(subreq, extras_requested=available_requested)
-
-            # cleanup tmp src
-            self.reqs_to_cleanup.append(req_to_install)
-
-            if not req_to_install.editable and not req_to_install.satisfied_by:
-                # XXX: --no-install leads this to report 'Successfully
-                # downloaded' for only non-editable reqs, even though we took
-                # action on them.
-                self.successfully_downloaded.append(req_to_install)
-
-        return more_reqs
-
-    def cleanup_files(self):
-        """Clean up files, remove builds."""
-        logger.debug('Cleaning up...')
-        with indent_log():
-            for req in self.reqs_to_cleanup:
-                req.remove_temporary_source()
-
-    def _to_install(self):
-        """Create the installation order.
-
-        The installation order is topological - requirements are installed
-        before the requiring thing. We break cycles at an arbitrary point,
-        and make no other guarantees.
-        """
-        # The current implementation, which we may change at any point
-        # installs the user specified things in the order given, except when
-        # dependencies must come earlier to achieve topological order.
-        order = []
-        ordered_reqs = set()
-
-        def schedule(req):
-            if req.satisfied_by or req in ordered_reqs:
-                return
-            if req.constraint:
-                return
-            ordered_reqs.add(req)
-            for dep in self._dependencies[req]:
-                schedule(dep)
-            order.append(req)
-        for install_req in self.requirements.values():
-            schedule(install_req)
-        return order
-
-    def install(self, install_options, global_options=(), *args, **kwargs):
-        """
-        Install everything in this set (after having downloaded and unpacked
-        the packages)
-        """
-        to_install = self._to_install()
-
-        if to_install:
-            logger.info(
-                'Installing collected packages: %s',
-                ', '.join([req.name for req in to_install]),
-            )
-
-        with indent_log():
-            for requirement in to_install:
-                if requirement.conflicts_with:
-                    logger.info(
-                        'Found existing installation: %s',
-                        requirement.conflicts_with,
-                    )
-                    with indent_log():
-                        requirement.uninstall(auto_confirm=True)
-                try:
-                    requirement.install(
-                        install_options,
-                        global_options,
-                        *args,
-                        **kwargs
-                    )
-                except:
-                    # if install did not succeed, rollback previous uninstall
-                    if (requirement.conflicts_with and not
-                            requirement.install_succeeded):
-                        requirement.rollback_uninstall()
-                    raise
-                else:
-                    if (requirement.conflicts_with and
-                            requirement.install_succeeded):
-                        requirement.commit_uninstall()
-                requirement.remove_temporary_source()
-
-        self.successfully_installed = to_install

classifier/myenv/lib/python3.6/site-packages/pip/req/req_uninstall.py

@@ -1,195 +0,0 @@
-from __future__ import absolute_import
-
-import logging
-import os
-import tempfile
-
-from pip.compat import uses_pycache, WINDOWS, cache_from_source
-from pip.exceptions import UninstallationError
-from pip.utils import rmtree, ask, is_local, renames, normalize_path
-from pip.utils.logging import indent_log
-
-
-logger = logging.getLogger(__name__)
-
-
-class UninstallPathSet(object):
-    """A set of file paths to be removed in the uninstallation of a
-    requirement."""
-    def __init__(self, dist):
-        self.paths = set()
-        self._refuse = set()
-        self.pth = {}
-        self.dist = dist
-        self.save_dir = None
-        self._moved_paths = []
-
-    def _permitted(self, path):
-        """
-        Return True if the given path is one we are permitted to
-        remove/modify, False otherwise.
-
-        """
-        return is_local(path)
-
-    def add(self, path):
-        head, tail = os.path.split(path)
-
-        # we normalize the head to resolve parent directory symlinks, but not
-        # the tail, since we only want to uninstall symlinks, not their targets
-        path = os.path.join(normalize_path(head), os.path.normcase(tail))
-
-        if not os.path.exists(path):
-            return
-        if self._permitted(path):
-            self.paths.add(path)
-        else:
-            self._refuse.add(path)
-
-        # __pycache__ files can show up after 'installed-files.txt' is created,
-        # due to imports
-        if os.path.splitext(path)[1] == '.py' and uses_pycache:
-            self.add(cache_from_source(path))
-
-    def add_pth(self, pth_file, entry):
-        pth_file = normalize_path(pth_file)
-        if self._permitted(pth_file):
-            if pth_file not in self.pth:
-                self.pth[pth_file] = UninstallPthEntries(pth_file)
-            self.pth[pth_file].add(entry)
-        else:
-            self._refuse.add(pth_file)
-
-    def compact(self, paths):
-        """Compact a path set to contain the minimal number of paths
-        necessary to contain all paths in the set. If /a/path/ and
-        /a/path/to/a/file.txt are both in the set, leave only the
-        shorter path."""
-        short_paths = set()
-        for path in sorted(paths, key=len):
-            if not any([
-                    (path.startswith(shortpath) and
-                     path[len(shortpath.rstrip(os.path.sep))] == os.path.sep)
-                    for shortpath in short_paths]):
-                short_paths.add(path)
-        return short_paths
-
-    def _stash(self, path):
-        return os.path.join(
-            self.save_dir, os.path.splitdrive(path)[1].lstrip(os.path.sep))
-
-    def remove(self, auto_confirm=False):
-        """Remove paths in ``self.paths`` with confirmation (unless
-        ``auto_confirm`` is True)."""
-        if not self.paths:
-            logger.info(
-                "Can't uninstall '%s'. No files were found to uninstall.",
-                self.dist.project_name,
-            )
-            return
-        logger.info(
-            'Uninstalling %s-%s:',
-            self.dist.project_name, self.dist.version
-        )
-
-        with indent_log():
-            paths = sorted(self.compact(self.paths))
-
-            if auto_confirm:
-                response = 'y'
-            else:
-                for path in paths:
-                    logger.info(path)
-                response = ask('Proceed (y/n)? ', ('y', 'n'))
-            if self._refuse:
-                logger.info('Not removing or modifying (outside of prefix):')
-                for path in self.compact(self._refuse):
-                    logger.info(path)
-            if response == 'y':
-                self.save_dir = tempfile.mkdtemp(suffix='-uninstall',
-                                                 prefix='pip-')
-                for path in paths:
-                    new_path = self._stash(path)
-                    logger.debug('Removing file or directory %s', path)
-                    self._moved_paths.append(path)
-                    renames(path, new_path)
-                for pth in self.pth.values():
-                    pth.remove()
-                logger.info(
-                    'Successfully uninstalled %s-%s',
-                    self.dist.project_name, self.dist.version
-                )
-
-    def rollback(self):
-        """Rollback the changes previously made by remove()."""
-        if self.save_dir is None:
-            logger.error(
-                "Can't roll back %s; was not uninstalled",
-                self.dist.project_name,
-            )
-            return False
-        logger.info('Rolling back uninstall of %s', self.dist.project_name)
-        for path in self._moved_paths:
-            tmp_path = self._stash(path)
-            logger.debug('Replacing %s', path)
-            renames(tmp_path, path)
-        for pth in self.pth.values():
-            pth.rollback()
-
-    def commit(self):
-        """Remove temporary save dir: rollback will no longer be possible."""
-        if self.save_dir is not None:
-            rmtree(self.save_dir)
-            self.save_dir = None
-            self._moved_paths = []
-
-
-class UninstallPthEntries(object):
-    def __init__(self, pth_file):
-        if not os.path.isfile(pth_file):
-            raise UninstallationError(
-                "Cannot remove entries from nonexistent file %s" % pth_file
-            )
-        self.file = pth_file
-        self.entries = set()
-        self._saved_lines = None
-
-    def add(self, entry):
-        entry = os.path.normcase(entry)
-        # On Windows, os.path.normcase converts the entry to use
-        # backslashes.  This is correct for entries that describe absolute
-        # paths outside of site-packages, but all the others use forward
-        # slashes.
-        if WINDOWS and not os.path.splitdrive(entry)[0]:
-            entry = entry.replace('\\', '/')
-        self.entries.add(entry)
-
-    def remove(self):
-        logger.debug('Removing pth entries from %s:', self.file)
-        with open(self.file, 'rb') as fh:
-            # windows uses '\r\n' with py3k, but uses '\n' with py2.x
-            lines = fh.readlines()
-            self._saved_lines = lines
-        if any(b'\r\n' in line for line in lines):
-            endline = '\r\n'
-        else:
-            endline = '\n'
-        for entry in self.entries:
-            try:
-                logger.debug('Removing entry: %s', entry)
-                lines.remove((entry + endline).encode("utf-8"))
-            except ValueError:
-                pass
-        with open(self.file, 'wb') as fh:
-            fh.writelines(lines)
-
-    def rollback(self):
-        if self._saved_lines is None:
-            logger.error(
-                'Cannot roll back changes to %s, none were made', self.file
-            )
-            return False
-        logger.debug('Rolling %s back to previous state', self.file)
-        with open(self.file, 'wb') as fh:
-            fh.writelines(self._saved_lines)
-        return True

classifier/myenv/lib/python3.6/site-packages/pip/status_codes.py

@@ -1,8 +0,0 @@
-from __future__ import absolute_import
-
-SUCCESS = 0
-ERROR = 1
-UNKNOWN_ERROR = 2
-VIRTUALENV_NOT_FOUND = 3
-PREVIOUS_BUILD_DIR_ERROR = 4
-NO_MATCHES_FOUND = 23

classifier/myenv/lib/python3.6/site-packages/pip/utils/__init__.py

@@ -1,870 +0,0 @@
-from __future__ import absolute_import
-
-from collections import deque
-import contextlib
-import errno
-import io
-import locale
-# we have a submodule named 'logging' which would shadow this if we used the
-# regular name:
-import logging as std_logging
-import re
-import os
-import posixpath
-import shutil
-import stat
-import subprocess
-import sys
-import tarfile
-import zipfile
-
-from pip.exceptions import InstallationError
-from pip.compat import console_to_str, expanduser, stdlib_pkgs
-from pip.locations import (
-    site_packages, user_site, running_under_virtualenv, virtualenv_no_global,
-    write_delete_marker_file,
-)
-from pip._vendor import pkg_resources
-from pip._vendor.six.moves import input
-from pip._vendor.six import PY2
-from pip._vendor.retrying import retry
-
-if PY2:
-    from io import BytesIO as StringIO
-else:
-    from io import StringIO
-
-__all__ = ['rmtree', 'display_path', 'backup_dir',
-           'ask', 'splitext',
-           'format_size', 'is_installable_dir',
-           'is_svn_page', 'file_contents',
-           'split_leading_dir', 'has_leading_dir',
-           'normalize_path',
-           'renames', 'get_terminal_size', 'get_prog',
-           'unzip_file', 'untar_file', 'unpack_file', 'call_subprocess',
-           'captured_stdout', 'ensure_dir',
-           'ARCHIVE_EXTENSIONS', 'SUPPORTED_EXTENSIONS',
-           'get_installed_version']
-
-
-logger = std_logging.getLogger(__name__)
-
-BZ2_EXTENSIONS = ('.tar.bz2', '.tbz')
-XZ_EXTENSIONS = ('.tar.xz', '.txz', '.tlz', '.tar.lz', '.tar.lzma')
-ZIP_EXTENSIONS = ('.zip', '.whl')
-TAR_EXTENSIONS = ('.tar.gz', '.tgz', '.tar')
-ARCHIVE_EXTENSIONS = (
-    ZIP_EXTENSIONS + BZ2_EXTENSIONS + TAR_EXTENSIONS + XZ_EXTENSIONS)
-SUPPORTED_EXTENSIONS = ZIP_EXTENSIONS + TAR_EXTENSIONS
-try:
-    import bz2  # noqa
-    SUPPORTED_EXTENSIONS += BZ2_EXTENSIONS
-except ImportError:
-    logger.debug('bz2 module is not available')
-
-try:
-    # Only for Python 3.3+
-    import lzma  # noqa
-    SUPPORTED_EXTENSIONS += XZ_EXTENSIONS
-except ImportError:
-    logger.debug('lzma module is not available')
-
-
-def import_or_raise(pkg_or_module_string, ExceptionType, *args, **kwargs):
-    try:
-        return __import__(pkg_or_module_string)
-    except ImportError:
-        raise ExceptionType(*args, **kwargs)
-
-
-def ensure_dir(path):
-    """os.path.makedirs without EEXIST."""
-    try:
-        os.makedirs(path)
-    except OSError as e:
-        if e.errno != errno.EEXIST:
-            raise
-
-
-def get_prog():
-    try:
-        if os.path.basename(sys.argv[0]) in ('__main__.py', '-c'):
-            return "%s -m pip" % sys.executable
-    except (AttributeError, TypeError, IndexError):
-        pass
-    return 'pip'
-
-
-# Retry every half second for up to 3 seconds
-@retry(stop_max_delay=3000, wait_fixed=500)
-def rmtree(dir, ignore_errors=False):
-    shutil.rmtree(dir, ignore_errors=ignore_errors,
-                  onerror=rmtree_errorhandler)
-
-
-def rmtree_errorhandler(func, path, exc_info):
-    """On Windows, the files in .svn are read-only, so when rmtree() tries to
-    remove them, an exception is thrown.  We catch that here, remove the
-    read-only attribute, and hopefully continue without problems."""
-    # if file type currently read only
-    if os.stat(path).st_mode & stat.S_IREAD:
-        # convert to read/write
-        os.chmod(path, stat.S_IWRITE)
-        # use the original function to repeat the operation
-        func(path)
-        return
-    else:
-        raise
-
-
-def display_path(path):
-    """Gives the display value for a given path, making it relative to cwd
-    if possible."""
-    path = os.path.normcase(os.path.abspath(path))
-    if sys.version_info[0] == 2:
-        path = path.decode(sys.getfilesystemencoding(), 'replace')
-        path = path.encode(sys.getdefaultencoding(), 'replace')
-    if path.startswith(os.getcwd() + os.path.sep):
-        path = '.' + path[len(os.getcwd()):]
-    return path
-
-
-def backup_dir(dir, ext='.bak'):
-    """Figure out the name of a directory to back up the given dir to
-    (adding .bak, .bak2, etc)"""
-    n = 1
-    extension = ext
-    while os.path.exists(dir + extension):
-        n += 1
-        extension = ext + str(n)
-    return dir + extension
-
-
-def ask_path_exists(message, options):
-    for action in os.environ.get('PIP_EXISTS_ACTION', '').split():
-        if action in options:
-            return action
-    return ask(message, options)
-
-
-def ask(message, options):
-    """Ask the message interactively, with the given possible responses"""
-    while 1:
-        if os.environ.get('PIP_NO_INPUT'):
-            raise Exception(
-                'No input was expected ($PIP_NO_INPUT set); question: %s' %
-                message
-            )
-        response = input(message)
-        response = response.strip().lower()
-        if response not in options:
-            print(
-                'Your response (%r) was not one of the expected responses: '
-                '%s' % (response, ', '.join(options))
-            )
-        else:
-            return response
-
-
-def format_size(bytes):
-    if bytes > 1000 * 1000:
-        return '%.1fMB' % (bytes / 1000.0 / 1000)
-    elif bytes > 10 * 1000:
-        return '%ikB' % (bytes / 1000)
-    elif bytes > 1000:
-        return '%.1fkB' % (bytes / 1000.0)
-    else:
-        return '%ibytes' % bytes
-
-
-def is_installable_dir(path):
-    """Return True if `path` is a directory containing a setup.py file."""
-    if not os.path.isdir(path):
-        return False
-    setup_py = os.path.join(path, 'setup.py')
-    if os.path.isfile(setup_py):
-        return True
-    return False
-
-
-def is_svn_page(html):
-    """
-    Returns true if the page appears to be the index page of an svn repository
-    """
-    return (re.search(r'<title>[^<]*Revision \d+:', html) and
-            re.search(r'Powered by (?:<a[^>]*?>)?Subversion', html, re.I))
-
-
-def file_contents(filename):
-    with open(filename, 'rb') as fp:
-        return fp.read().decode('utf-8')
-
-
-def read_chunks(file, size=io.DEFAULT_BUFFER_SIZE):
-    """Yield pieces of data from a file-like object until EOF."""
-    while True:
-        chunk = file.read(size)
-        if not chunk:
-            break
-        yield chunk
-
-
-def split_leading_dir(path):
-    path = path.lstrip('/').lstrip('\\')
-    if '/' in path and (('\\' in path and path.find('/') < path.find('\\')) or
-                        '\\' not in path):
-        return path.split('/', 1)
-    elif '\\' in path:
-        return path.split('\\', 1)
-    else:
-        return path, ''
-
-
-def has_leading_dir(paths):
-    """Returns true if all the paths have the same leading path name
-    (i.e., everything is in one subdirectory in an archive)"""
-    common_prefix = None
-    for path in paths:
-        prefix, rest = split_leading_dir(path)
-        if not prefix:
-            return False
-        elif common_prefix is None:
-            common_prefix = prefix
-        elif prefix != common_prefix:
-            return False
-    return True
-
-
-def normalize_path(path, resolve_symlinks=True):
-    """
-    Convert a path to its canonical, case-normalized, absolute version.
-
-    """
-    path = expanduser(path)
-    if resolve_symlinks:
-        path = os.path.realpath(path)
-    else:
-        path = os.path.abspath(path)
-    return os.path.normcase(path)
-
-
-def splitext(path):
-    """Like os.path.splitext, but take off .tar too"""
-    base, ext = posixpath.splitext(path)
-    if base.lower().endswith('.tar'):
-        ext = base[-4:] + ext
-        base = base[:-4]
-    return base, ext
-
-
-def renames(old, new):
-    """Like os.renames(), but handles renaming across devices."""
-    # Implementation borrowed from os.renames().
-    head, tail = os.path.split(new)
-    if head and tail and not os.path.exists(head):
-        os.makedirs(head)
-
-    shutil.move(old, new)
-
-    head, tail = os.path.split(old)
-    if head and tail:
-        try:
-            os.removedirs(head)
-        except OSError:
-            pass
-
-
-def is_local(path):
-    """
-    Return True if this is a path pip is allowed to modify.
-
-    If we're in a virtualenv, sys.prefix points to the virtualenv's
-    prefix; only sys.prefix is considered local.
-
-    If we're not in a virtualenv, in general we can modify anything.
-    However, if the OS vendor has configured distutils to install
-    somewhere other than sys.prefix (which could be a subdirectory of
-    sys.prefix, e.g. /usr/local), we consider sys.prefix itself nonlocal
-    and the domain of the OS vendor. (In other words, everything _other
-    than_ sys.prefix is considered local.)
-
-    """
-
-    path = normalize_path(path)
-    prefix = normalize_path(sys.prefix)
-
-    if running_under_virtualenv():
-        return path.startswith(normalize_path(sys.prefix))
-    else:
-        from pip.locations import distutils_scheme
-        if path.startswith(prefix):
-            for local_path in distutils_scheme("").values():
-                if path.startswith(normalize_path(local_path)):
-                    return True
-            return False
-        else:
-            return True
-
-
-def dist_is_local(dist):
-    """
-    Return True if given Distribution object is installed somewhere pip
-    is allowed to modify.
-
-    """
-    return is_local(dist_location(dist))
-
-
-def dist_in_usersite(dist):
-    """
-    Return True if given Distribution is installed in user site.
-    """
-    norm_path = normalize_path(dist_location(dist))
-    return norm_path.startswith(normalize_path(user_site))
-
-
-def dist_in_site_packages(dist):
-    """
-    Return True if given Distribution is installed in
-    distutils.sysconfig.get_python_lib().
-    """
-    return normalize_path(
-        dist_location(dist)
-    ).startswith(normalize_path(site_packages))
-
-
-def dist_is_editable(dist):
-    """Is distribution an editable install?"""
-    for path_item in sys.path:
-        egg_link = os.path.join(path_item, dist.project_name + '.egg-link')
-        if os.path.isfile(egg_link):
-            return True
-    return False
-
-
-def get_installed_distributions(local_only=True,
-                                skip=stdlib_pkgs,
-                                include_editables=True,
-                                editables_only=False,
-                                user_only=False):
-    """
-    Return a list of installed Distribution objects.
-
-    If ``local_only`` is True (default), only return installations
-    local to the current virtualenv, if in a virtualenv.
-
-    ``skip`` argument is an iterable of lower-case project names to
-    ignore; defaults to stdlib_pkgs
-
-    If ``editables`` is False, don't report editables.
-
-    If ``editables_only`` is True , only report editables.
-
-    If ``user_only`` is True , only report installations in the user
-    site directory.
-
-    """
-    if local_only:
-        local_test = dist_is_local
-    else:
-        def local_test(d):
-            return True
-
-    if include_editables:
-        def editable_test(d):
-            return True
-    else:
-        def editable_test(d):
-            return not dist_is_editable(d)
-
-    if editables_only:
-        def editables_only_test(d):
-            return dist_is_editable(d)
-    else:
-        def editables_only_test(d):
-            return True
-
-    if user_only:
-        user_test = dist_in_usersite
-    else:
-        def user_test(d):
-            return True
-
-    return [d for d in pkg_resources.working_set
-            if local_test(d) and
-            d.key not in skip and
-            editable_test(d) and
-            editables_only_test(d) and
-            user_test(d)
-            ]
-
-
-def egg_link_path(dist):
-    """
-    Return the path for the .egg-link file if it exists, otherwise, None.
-
-    There's 3 scenarios:
-    1) not in a virtualenv
-       try to find in site.USER_SITE, then site_packages
-    2) in a no-global virtualenv
-       try to find in site_packages
-    3) in a yes-global virtualenv
-       try to find in site_packages, then site.USER_SITE
-       (don't look in global location)
-
-    For #1 and #3, there could be odd cases, where there's an egg-link in 2
-    locations.
-
-    This method will just return the first one found.
-    """
-    sites = []
-    if running_under_virtualenv():
-        if virtualenv_no_global():
-            sites.append(site_packages)
-        else:
-            sites.append(site_packages)
-            if user_site:
-                sites.append(user_site)
-    else:
-        if user_site:
-            sites.append(user_site)
-        sites.append(site_packages)
-
-    for site in sites:
-        egglink = os.path.join(site, dist.project_name) + '.egg-link'
-        if os.path.isfile(egglink):
-            return egglink
-
-
-def dist_location(dist):
-    """
-    Get the site-packages location of this distribution. Generally
-    this is dist.location, except in the case of develop-installed
-    packages, where dist.location is the source code location, and we
-    want to know where the egg-link file is.
-
-    """
-    egg_link = egg_link_path(dist)
-    if egg_link:
-        return egg_link
-    return dist.location
-
-
-def get_terminal_size():
-    """Returns a tuple (x, y) representing the width(x) and the height(x)
-    in characters of the terminal window."""
-    def ioctl_GWINSZ(fd):
-        try:
-            import fcntl
-            import termios
-            import struct
-            cr = struct.unpack(
-                'hh',
-                fcntl.ioctl(fd, termios.TIOCGWINSZ, '1234')
-            )
-        except:
-            return None
-        if cr == (0, 0):
-            return None
-        return cr
-    cr = ioctl_GWINSZ(0) or ioctl_GWINSZ(1) or ioctl_GWINSZ(2)
-    if not cr:
-        try:
-            fd = os.open(os.ctermid(), os.O_RDONLY)
-            cr = ioctl_GWINSZ(fd)
-            os.close(fd)
-        except:
-            pass
-    if not cr:
-        cr = (os.environ.get('LINES', 25), os.environ.get('COLUMNS', 80))
-    return int(cr[1]), int(cr[0])
-
-
-def current_umask():
-    """Get the current umask which involves having to set it temporarily."""
-    mask = os.umask(0)
-    os.umask(mask)
-    return mask
-
-
-def unzip_file(filename, location, flatten=True):
-    """
-    Unzip the file (with path `filename`) to the destination `location`.  All
-    files are written based on system defaults and umask (i.e. permissions are
-    not preserved), except that regular file members with any execute
-    permissions (user, group, or world) have "chmod +x" applied after being
-    written. Note that for windows, any execute changes using os.chmod are
-    no-ops per the python docs.
-    """
-    ensure_dir(location)
-    zipfp = open(filename, 'rb')
-    try:
-        zip = zipfile.ZipFile(zipfp, allowZip64=True)
-        leading = has_leading_dir(zip.namelist()) and flatten
-        for info in zip.infolist():
-            name = info.filename
-            data = zip.read(name)
-            fn = name
-            if leading:
-                fn = split_leading_dir(name)[1]
-            fn = os.path.join(location, fn)
-            dir = os.path.dirname(fn)
-            if fn.endswith('/') or fn.endswith('\\'):
-                # A directory
-                ensure_dir(fn)
-            else:
-                ensure_dir(dir)
-                fp = open(fn, 'wb')
-                try:
-                    fp.write(data)
-                finally:
-                    fp.close()
-                    mode = info.external_attr >> 16
-                    # if mode and regular file and any execute permissions for
-                    # user/group/world?
-                    if mode and stat.S_ISREG(mode) and mode & 0o111:
-                        # make dest file have execute for user/group/world
-                        # (chmod +x) no-op on windows per python docs
-                        os.chmod(fn, (0o777 - current_umask() | 0o111))
-    finally:
-        zipfp.close()
-
-
-def untar_file(filename, location):
-    """
-    Untar the file (with path `filename`) to the destination `location`.
-    All files are written based on system defaults and umask (i.e. permissions
-    are not preserved), except that regular file members with any execute
-    permissions (user, group, or world) have "chmod +x" applied after being
-    written.  Note that for windows, any execute changes using os.chmod are
-    no-ops per the python docs.
-    """
-    ensure_dir(location)
-    if filename.lower().endswith('.gz') or filename.lower().endswith('.tgz'):
-        mode = 'r:gz'
-    elif filename.lower().endswith(BZ2_EXTENSIONS):
-        mode = 'r:bz2'
-    elif filename.lower().endswith(XZ_EXTENSIONS):
-        mode = 'r:xz'
-    elif filename.lower().endswith('.tar'):
-        mode = 'r'
-    else:
-        logger.warning(
-            'Cannot determine compression type for file %s', filename,
-        )
-        mode = 'r:*'
-    tar = tarfile.open(filename, mode)
-    try:
-        # note: python<=2.5 doesn't seem to know about pax headers, filter them
-        leading = has_leading_dir([
-            member.name for member in tar.getmembers()
-            if member.name != 'pax_global_header'
-        ])
-        for member in tar.getmembers():
-            fn = member.name
-            if fn == 'pax_global_header':
-                continue
-            if leading:
-                fn = split_leading_dir(fn)[1]
-            path = os.path.join(location, fn)
-            if member.isdir():
-                ensure_dir(path)
-            elif member.issym():
-                try:
-                    tar._extract_member(member, path)
-                except Exception as exc:
-                    # Some corrupt tar files seem to produce this
-                    # (specifically bad symlinks)
-                    logger.warning(
-                        'In the tar file %s the member %s is invalid: %s',
-                        filename, member.name, exc,
-                    )
-                    continue
-            else:
-                try:
-                    fp = tar.extractfile(member)
-                except (KeyError, AttributeError) as exc:
-                    # Some corrupt tar files seem to produce this
-                    # (specifically bad symlinks)
-                    logger.warning(
-                        'In the tar file %s the member %s is invalid: %s',
-                        filename, member.name, exc,
-                    )
-                    continue
-                ensure_dir(os.path.dirname(path))
-                with open(path, 'wb') as destfp:
-                    shutil.copyfileobj(fp, destfp)
-                fp.close()
-                # Update the timestamp (useful for cython compiled files)
-                tar.utime(member, path)
-                # member have any execute permissions for user/group/world?
-                if member.mode & 0o111:
-                    # make dest file have execute for user/group/world
-                    # no-op on windows per python docs
-                    os.chmod(path, (0o777 - current_umask() | 0o111))
-    finally:
-        tar.close()
-
-
-def unpack_file(filename, location, content_type, link):
-    filename = os.path.realpath(filename)
-    if (content_type == 'application/zip' or
-            filename.lower().endswith(ZIP_EXTENSIONS) or
-            zipfile.is_zipfile(filename)):
-        unzip_file(
-            filename,
-            location,
-            flatten=not filename.endswith('.whl')
-        )
-    elif (content_type == 'application/x-gzip' or
-            tarfile.is_tarfile(filename) or
-            filename.lower().endswith(
-                TAR_EXTENSIONS + BZ2_EXTENSIONS + XZ_EXTENSIONS)):
-        untar_file(filename, location)
-    elif (content_type and content_type.startswith('text/html') and
-            is_svn_page(file_contents(filename))):
-        # We don't really care about this
-        from pip.vcs.subversion import Subversion
-        Subversion('svn+' + link.url).unpack(location)
-    else:
-        # FIXME: handle?
-        # FIXME: magic signatures?
-        logger.critical(
-            'Cannot unpack file %s (downloaded from %s, content-type: %s); '
-            'cannot detect archive format',
-            filename, location, content_type,
-        )
-        raise InstallationError(
-            'Cannot determine archive format of %s' % location
-        )
-
-
-def call_subprocess(cmd, show_stdout=True, cwd=None,
-                    on_returncode='raise',
-                    command_desc=None,
-                    extra_environ=None, spinner=None):
-    # This function's handling of subprocess output is confusing and I
-    # previously broke it terribly, so as penance I will write a long comment
-    # explaining things.
-    #
-    # The obvious thing that affects output is the show_stdout=
-    # kwarg. show_stdout=True means, let the subprocess write directly to our
-    # stdout. Even though it is nominally the default, it is almost never used
-    # inside pip (and should not be used in new code without a very good
-    # reason); as of 2016-02-22 it is only used in a few places inside the VCS
-    # wrapper code. Ideally we should get rid of it entirely, because it
-    # creates a lot of complexity here for a rarely used feature.
-    #
-    # Most places in pip set show_stdout=False. What this means is:
-    # - We connect the child stdout to a pipe, which we read.
-    # - By default, we hide the output but show a spinner -- unless the
-    #   subprocess exits with an error, in which case we show the output.
-    # - If the --verbose option was passed (= loglevel is DEBUG), then we show
-    #   the output unconditionally. (But in this case we don't want to show
-    #   the output a second time if it turns out that there was an error.)
-    #
-    # stderr is always merged with stdout (even if show_stdout=True).
-    if show_stdout:
-        stdout = None
-    else:
-        stdout = subprocess.PIPE
-    if command_desc is None:
-        cmd_parts = []
-        for part in cmd:
-            if ' ' in part or '\n' in part or '"' in part or "'" in part:
-                part = '"%s"' % part.replace('"', '\\"')
-            cmd_parts.append(part)
-        command_desc = ' '.join(cmd_parts)
-    logger.debug("Running command %s", command_desc)
-    env = os.environ.copy()
-    if extra_environ:
-        env.update(extra_environ)
-    try:
-        proc = subprocess.Popen(
-            cmd, stderr=subprocess.STDOUT, stdin=None, stdout=stdout,
-            cwd=cwd, env=env)
-    except Exception as exc:
-        logger.critical(
-            "Error %s while executing command %s", exc, command_desc,
-        )
-        raise
-    if stdout is not None:
-        all_output = []
-        while True:
-            line = console_to_str(proc.stdout.readline())
-            if not line:
-                break
-            line = line.rstrip()
-            all_output.append(line + '\n')
-            if logger.getEffectiveLevel() <= std_logging.DEBUG:
-                # Show the line immediately
-                logger.debug(line)
-            else:
-                # Update the spinner
-                if spinner is not None:
-                    spinner.spin()
-    proc.wait()
-    if spinner is not None:
-        if proc.returncode:
-            spinner.finish("error")
-        else:
-            spinner.finish("done")
-    if proc.returncode:
-        if on_returncode == 'raise':
-            if (logger.getEffectiveLevel() > std_logging.DEBUG and
-                    not show_stdout):
-                logger.info(
-                    'Complete output from command %s:', command_desc,
-                )
-                logger.info(
-                    ''.join(all_output) +
-                    '\n----------------------------------------'
-                )
-            raise InstallationError(
-                'Command "%s" failed with error code %s in %s'
-                % (command_desc, proc.returncode, cwd))
-        elif on_returncode == 'warn':
-            logger.warning(
-                'Command "%s" had error code %s in %s',
-                command_desc, proc.returncode, cwd,
-            )
-        elif on_returncode == 'ignore':
-            pass
-        else:
-            raise ValueError('Invalid value: on_returncode=%s' %
-                             repr(on_returncode))
-    if not show_stdout:
-        return ''.join(all_output)
-
-
-def read_text_file(filename):
-    """Return the contents of *filename*.
-
-    Try to decode the file contents with utf-8, the preferred system encoding
-    (e.g., cp1252 on some Windows machines), and latin1, in that order.
-    Decoding a byte string with latin1 will never raise an error. In the worst
-    case, the returned string will contain some garbage characters.
-
-    """
-    with open(filename, 'rb') as fp:
-        data = fp.read()
-
-    encodings = ['utf-8', locale.getpreferredencoding(False), 'latin1']
-    for enc in encodings:
-        try:
-            data = data.decode(enc)
-        except UnicodeDecodeError:
-            continue
-        break
-
-    assert type(data) != bytes  # Latin1 should have worked.
-    return data
-
-
-def _make_build_dir(build_dir):
-    os.makedirs(build_dir)
-    write_delete_marker_file(build_dir)
-
-
-class FakeFile(object):
-    """Wrap a list of lines in an object with readline() to make
-    ConfigParser happy."""
-    def __init__(self, lines):
-        self._gen = (l for l in lines)
-
-    def readline(self):
-        try:
-            try:
-                return next(self._gen)
-            except NameError:
-                return self._gen.next()
-        except StopIteration:
-            return ''
-
-    def __iter__(self):
-        return self._gen
-
-
-class StreamWrapper(StringIO):
-
-    @classmethod
-    def from_stream(cls, orig_stream):
-        cls.orig_stream = orig_stream
-        return cls()
-
-    # compileall.compile_dir() needs stdout.encoding to print to stdout
-    @property
-    def encoding(self):
-        return self.orig_stream.encoding
-
-
-@contextlib.contextmanager
-def captured_output(stream_name):
-    """Return a context manager used by captured_stdout/stdin/stderr
-    that temporarily replaces the sys stream *stream_name* with a StringIO.
-
-    Taken from Lib/support/__init__.py in the CPython repo.
-    """
-    orig_stdout = getattr(sys, stream_name)
-    setattr(sys, stream_name, StreamWrapper.from_stream(orig_stdout))
-    try:
-        yield getattr(sys, stream_name)
-    finally:
-        setattr(sys, stream_name, orig_stdout)
-
-
-def captured_stdout():
-    """Capture the output of sys.stdout:
-
-       with captured_stdout() as stdout:
-           print('hello')
-       self.assertEqual(stdout.getvalue(), 'hello\n')
-
-    Taken from Lib/support/__init__.py in the CPython repo.
-    """
-    return captured_output('stdout')
-
-
-class cached_property(object):
-    """A property that is only computed once per instance and then replaces
-       itself with an ordinary attribute. Deleting the attribute resets the
-       property.
-
-       Source: https://github.com/bottlepy/bottle/blob/0.11.5/bottle.py#L175
-    """
-
-    def __init__(self, func):
-        self.__doc__ = getattr(func, '__doc__')
-        self.func = func
-
-    def __get__(self, obj, cls):
-        if obj is None:
-            # We're being accessed from the class itself, not from an object
-            return self
-        value = obj.__dict__[self.func.__name__] = self.func(obj)
-        return value
-
-
-def get_installed_version(dist_name, lookup_dirs=None):
-    """Get the installed version of dist_name avoiding pkg_resources cache"""
-    # Create a requirement that we'll look for inside of setuptools.
-    req = pkg_resources.Requirement.parse(dist_name)
-
-    # We want to avoid having this cached, so we need to construct a new
-    # working set each time.
-    if lookup_dirs is None:
-        working_set = pkg_resources.WorkingSet()
-    else:
-        working_set = pkg_resources.WorkingSet(lookup_dirs)
-
-    # Get the installed distribution from our working set
-    dist = working_set.find(req)
-
-    # Check to see if we got an installed distribution or not, if we did
-    # we want to return it's version.
-    return dist.version if dist else None
-
-
-def consume(iterator):
-    """Consume an iterable at C speed."""
-    deque(iterator, maxlen=0)