273 lines
10 KiB
Python
273 lines
10 KiB
Python
import os
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import re
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from pip.backwardcompat import urlparse
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from pip.index import Link
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from pip.util import rmtree, display_path, call_subprocess
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from pip.log import logger
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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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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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bundle_file = 'svn-checkout.txt'
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guide = ('# This was an svn checkout; to make it a checkout again run:\n'
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'svn checkout --force -r %(rev)s %(url)s .\n')
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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), 'Bad directory: %s' % location
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output = call_subprocess(
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[self.cmd, 'info', location], show_stdout=False, extra_environ={'LANG': 'C'})
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match = _svn_url_re.search(output)
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if not match:
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logger.warn('Cannot determine URL of svn checkout %s' % display_path(location))
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logger.info('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.warn('Cannot determine revision of svn checkout %s' % display_path(location))
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logger.info('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 parse_vcs_bundle_file(self, content):
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for line in content.splitlines():
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if not line.strip() or line.strip().startswith('#'):
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continue
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match = re.search(r'^-r\s*([^ ])?', line)
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if not match:
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return None, None
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rev = match.group(1)
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rest = line[match.end():].strip().split(None, 1)[0]
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return rest, rev
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return None, None
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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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logger.notify('Exporting svn repository %s to %s' % (url, location))
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logger.indent += 2
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try:
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if os.path.exists(location):
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# Subversion doesn't like to check out over an existing directory
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# --force fixes this, but was only added in svn 1.5
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rmtree(location)
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call_subprocess(
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[self.cmd, 'export'] + rev_options + [url, location],
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filter_stdout=self._filter, show_stdout=False)
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finally:
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logger.indent -= 2
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def switch(self, dest, url, rev_options):
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call_subprocess(
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[self.cmd, 'switch'] + rev_options + [url, dest])
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def update(self, dest, rev_options):
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call_subprocess(
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[self.cmd, '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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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.notify('Checking out %s%s to %s'
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% (url, rev_display, display_path(dest)))
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call_subprocess(
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[self.cmd, '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 setup.py
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# we have to look up in the location until we find a real 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 finding setup.py
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logger.warn("Could not find setup.py for directory %s (tried all parent directories)"
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% orig_location)
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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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f = open(os.path.join(location, self.dirname, 'entries'))
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data = f.read()
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f.close()
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if data.startswith('8') or data.startswith('9') or 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 = call_subprocess([self.cmd, 'info', '--xml', location], show_stdout=False)
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url = _svn_info_xml_url_re.search(xml).group(1)
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revs = [int(m.group(1)) for m in _svn_info_xml_rev_re.finditer(xml)]
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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_tag_revs(self, svn_tag_url):
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stdout = call_subprocess(
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[self.cmd, 'ls', '-v', svn_tag_url], show_stdout=False)
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results = []
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for line in stdout.splitlines():
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parts = line.split()
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rev = int(parts[0])
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tag = parts[-1].strip('/')
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results.append((tag, rev))
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return results
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def find_tag_match(self, rev, tag_revs):
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best_match_rev = None
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best_tag = None
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for tag, tag_rev in tag_revs:
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if (tag_rev > rev and
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(best_match_rev is None or best_match_rev > tag_rev)):
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# FIXME: Is best_match > tag_rev really possible?
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# or is it a sign something is wacky?
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best_match_rev = tag_rev
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best_tag = tag
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return best_tag
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def get_src_requirement(self, dist, location, find_tags=False):
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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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parts = repo.split('/')
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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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if parts[-2] in ('tags', 'tag'):
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# It's a tag, perfect!
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full_egg_name = '%s-%s' % (egg_project_name, parts[-1])
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elif parts[-2] in ('branches', 'branch'):
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# It's a branch :(
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full_egg_name = '%s-%s-r%s' % (dist.egg_name(), parts[-1], rev)
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elif parts[-1] == 'trunk':
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# Trunk :-/
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full_egg_name = '%s-dev_r%s' % (dist.egg_name(), rev)
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if find_tags:
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tag_url = '/'.join(parts[:-1]) + '/tags'
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tag_revs = self.get_tag_revs(tag_url)
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match = self.find_tag_match(rev, tag_revs)
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if match:
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logger.notify('trunk checkout %s seems to be equivalent to tag %s' % match)
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repo = '%s/%s' % (tag_url, match)
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full_egg_name = '%s-%s' % (egg_project_name, match)
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else:
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# Don't know what it is
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logger.warn('svn URL does not fit normal structure (tags/branches/trunk): %s' % repo)
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full_egg_name = '%s-dev_r%s' % (egg_project_name, rev)
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return 'svn+%s@%s#egg=%s' % (repo, rev, full_egg_name)
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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 = urlparse.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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