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270 lines
9.1 KiB
270 lines
9.1 KiB
6 years ago
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from __future__ import absolute_import
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import logging
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import os
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import re
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from pip._vendor.six.moves.urllib import parse as urllib_parse
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from pip.index import Link
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from pip.utils import rmtree, display_path
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from pip.utils.logging import indent_log
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from pip.vcs import vcs, VersionControl
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_svn_xml_url_re = re.compile('url="([^"]+)"')
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_svn_rev_re = re.compile('committed-rev="(\d+)"')
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_svn_url_re = re.compile(r'URL: (.+)')
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_svn_revision_re = re.compile(r'Revision: (.+)')
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_svn_info_xml_rev_re = re.compile(r'\s*revision="(\d+)"')
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_svn_info_xml_url_re = re.compile(r'<url>(.*)</url>')
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logger = logging.getLogger(__name__)
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class Subversion(VersionControl):
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name = 'svn'
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dirname = '.svn'
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repo_name = 'checkout'
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schemes = ('svn', 'svn+ssh', 'svn+http', 'svn+https', 'svn+svn')
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def get_info(self, location):
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"""Returns (url, revision), where both are strings"""
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assert not location.rstrip('/').endswith(self.dirname), \
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'Bad directory: %s' % location
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output = self.run_command(
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['info', location],
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show_stdout=False,
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extra_environ={'LANG': 'C'},
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)
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match = _svn_url_re.search(output)
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if not match:
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logger.warning(
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'Cannot determine URL of svn checkout %s',
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display_path(location),
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)
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logger.debug('Output that cannot be parsed: \n%s', output)
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return None, None
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url = match.group(1).strip()
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match = _svn_revision_re.search(output)
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if not match:
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logger.warning(
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'Cannot determine revision of svn checkout %s',
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display_path(location),
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)
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logger.debug('Output that cannot be parsed: \n%s', output)
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return url, None
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return url, match.group(1)
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def export(self, location):
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"""Export the svn repository at the url to the destination location"""
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url, rev = self.get_url_rev()
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rev_options = get_rev_options(url, rev)
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url = self.remove_auth_from_url(url)
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logger.info('Exporting svn repository %s to %s', url, location)
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with indent_log():
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if os.path.exists(location):
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# Subversion doesn't like to check out over an existing
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# directory --force fixes this, but was only added in svn 1.5
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rmtree(location)
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self.run_command(
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['export'] + rev_options + [url, location],
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show_stdout=False)
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def switch(self, dest, url, rev_options):
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self.run_command(['switch'] + rev_options + [url, dest])
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def update(self, dest, rev_options):
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self.run_command(['update'] + rev_options + [dest])
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def obtain(self, dest):
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url, rev = self.get_url_rev()
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rev_options = get_rev_options(url, rev)
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url = self.remove_auth_from_url(url)
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if rev:
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rev_display = ' (to revision %s)' % rev
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else:
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rev_display = ''
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if self.check_destination(dest, url, rev_options, rev_display):
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logger.info(
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'Checking out %s%s to %s',
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url,
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rev_display,
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display_path(dest),
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)
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self.run_command(['checkout', '-q'] + rev_options + [url, dest])
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def get_location(self, dist, dependency_links):
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for url in dependency_links:
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egg_fragment = Link(url).egg_fragment
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if not egg_fragment:
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continue
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if '-' in egg_fragment:
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# FIXME: will this work when a package has - in the name?
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key = '-'.join(egg_fragment.split('-')[:-1]).lower()
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else:
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key = egg_fragment
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if key == dist.key:
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return url.split('#', 1)[0]
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return None
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def get_revision(self, location):
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"""
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Return the maximum revision for all files under a given location
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"""
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# Note: taken from setuptools.command.egg_info
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revision = 0
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for base, dirs, files in os.walk(location):
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if self.dirname not in dirs:
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dirs[:] = []
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continue # no sense walking uncontrolled subdirs
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dirs.remove(self.dirname)
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entries_fn = os.path.join(base, self.dirname, 'entries')
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if not os.path.exists(entries_fn):
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# FIXME: should we warn?
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continue
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dirurl, localrev = self._get_svn_url_rev(base)
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if base == location:
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base_url = dirurl + '/' # save the root url
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elif not dirurl or not dirurl.startswith(base_url):
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dirs[:] = []
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continue # not part of the same svn tree, skip it
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revision = max(revision, localrev)
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return revision
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def get_url_rev(self):
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# hotfix the URL scheme after removing svn+ from svn+ssh:// readd it
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url, rev = super(Subversion, self).get_url_rev()
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if url.startswith('ssh://'):
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url = 'svn+' + url
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return url, rev
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def get_url(self, location):
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# In cases where the source is in a subdirectory, not alongside
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# setup.py we have to look up in the location until we find a real
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# setup.py
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orig_location = location
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while not os.path.exists(os.path.join(location, 'setup.py')):
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last_location = location
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location = os.path.dirname(location)
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if location == last_location:
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# We've traversed up to the root of the filesystem without
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# finding setup.py
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logger.warning(
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"Could not find setup.py for directory %s (tried all "
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"parent directories)",
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orig_location,
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)
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return None
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return self._get_svn_url_rev(location)[0]
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def _get_svn_url_rev(self, location):
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from pip.exceptions import InstallationError
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entries_path = os.path.join(location, self.dirname, 'entries')
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if os.path.exists(entries_path):
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with open(entries_path) as f:
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data = f.read()
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else: # subversion >= 1.7 does not have the 'entries' file
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data = ''
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if (data.startswith('8') or
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data.startswith('9') or
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data.startswith('10')):
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data = list(map(str.splitlines, data.split('\n\x0c\n')))
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del data[0][0] # get rid of the '8'
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url = data[0][3]
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revs = [int(d[9]) for d in data if len(d) > 9 and d[9]] + [0]
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elif data.startswith('<?xml'):
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match = _svn_xml_url_re.search(data)
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if not match:
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raise ValueError('Badly formatted data: %r' % data)
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url = match.group(1) # get repository URL
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revs = [int(m.group(1)) for m in _svn_rev_re.finditer(data)] + [0]
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else:
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try:
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# subversion >= 1.7
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xml = self.run_command(
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['info', '--xml', location],
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show_stdout=False,
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)
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url = _svn_info_xml_url_re.search(xml).group(1)
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revs = [
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int(m.group(1)) for m in _svn_info_xml_rev_re.finditer(xml)
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]
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except InstallationError:
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url, revs = None, []
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if revs:
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rev = max(revs)
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else:
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rev = 0
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return url, rev
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def get_src_requirement(self, dist, location):
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repo = self.get_url(location)
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if repo is None:
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return None
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# FIXME: why not project name?
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egg_project_name = dist.egg_name().split('-', 1)[0]
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rev = self.get_revision(location)
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return 'svn+%s@%s#egg=%s' % (repo, rev, egg_project_name)
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def check_version(self, dest, rev_options):
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"""Always assume the versions don't match"""
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return False
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@staticmethod
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def remove_auth_from_url(url):
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# Return a copy of url with 'username:password@' removed.
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# username/pass params are passed to subversion through flags
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# and are not recognized in the url.
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# parsed url
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purl = urllib_parse.urlsplit(url)
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stripped_netloc = \
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purl.netloc.split('@')[-1]
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# stripped url
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url_pieces = (
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purl.scheme, stripped_netloc, purl.path, purl.query, purl.fragment
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)
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surl = urllib_parse.urlunsplit(url_pieces)
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return surl
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def get_rev_options(url, rev):
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if rev:
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rev_options = ['-r', rev]
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else:
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rev_options = []
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r = urllib_parse.urlsplit(url)
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if hasattr(r, 'username'):
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# >= Python-2.5
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username, password = r.username, r.password
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else:
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netloc = r[1]
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if '@' in netloc:
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auth = netloc.split('@')[0]
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if ':' in auth:
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username, password = auth.split(':', 1)
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else:
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username, password = auth, None
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else:
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username, password = None, None
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if username:
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rev_options += ['--username', username]
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if password:
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rev_options += ['--password', password]
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return rev_options
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vcs.register(Subversion)
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