mirror of https://github.com/pypa/pip
214 lines
7.5 KiB
Python
214 lines
7.5 KiB
Python
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._internal.models.link import Link
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from pip._internal.utils.logging import indent_log
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from pip._internal.utils.misc import (
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display_path, make_vcs_requirement_url, rmtree, split_auth_from_netloc,
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)
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from pip._internal.vcs import VersionControl, vcs
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_svn_xml_url_re = re.compile('url="([^"]+)"')
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_svn_rev_re = re.compile(r'committed-rev="(\d+)"')
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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_base_rev_args(self, rev):
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return ['-r', rev]
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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_options = self.get_url_rev_options(self.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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cmd_args = ['export'] + rev_options.to_args() + [url, location]
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self.run_command(cmd_args, show_stdout=False)
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def fetch_new(self, dest, url, rev_options):
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rev_display = rev_options.to_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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cmd_args = ['checkout', '-q'] + rev_options.to_args() + [url, dest]
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self.run_command(cmd_args)
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def switch(self, dest, url, rev_options):
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cmd_args = ['switch'] + rev_options.to_args() + [url, dest]
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self.run_command(cmd_args)
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def update(self, dest, url, rev_options):
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cmd_args = ['update'] + rev_options.to_args() + [dest]
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self.run_command(cmd_args)
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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 = dirurl + '/' # save the root url
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elif not dirurl or not dirurl.startswith(base):
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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_netloc_and_auth(self, netloc, scheme):
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"""
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This override allows the auth information to be passed to svn via the
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--username and --password options instead of via the URL.
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"""
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if scheme == 'ssh':
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# The --username and --password options can't be used for
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# svn+ssh URLs, so keep the auth information in the URL.
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return super(Subversion, self).get_netloc_and_auth(
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netloc, scheme)
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return split_auth_from_netloc(netloc)
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def get_url_rev_and_auth(self, url):
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# hotfix the URL scheme after removing svn+ from svn+ssh:// readd it
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url, rev, user_pass = super(Subversion, self).get_url_rev_and_auth(url)
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if url.startswith('ssh://'):
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url = 'svn+' + url
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return url, rev, user_pass
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def make_rev_args(self, username, password):
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extra_args = []
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if username:
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extra_args += ['--username', username]
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if password:
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extra_args += ['--password', password]
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return extra_args
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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._internal.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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repo = 'svn+' + repo
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rev = self.get_revision(location)
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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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return make_vcs_requirement_url(repo, rev, egg_project_name)
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def is_commit_id_equal(self, dest, name):
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"""Always assume the versions don't match"""
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return False
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vcs.register(Subversion)
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