diff options
Diffstat (limited to 'lib/python2.7/site-packages/pip-0.8.1-py2.7.egg/pip/vcs/subversion.py')
| -rwxr-xr-x | lib/python2.7/site-packages/pip-0.8.1-py2.7.egg/pip/vcs/subversion.py | 260 |
1 files changed, 260 insertions, 0 deletions
diff --git a/lib/python2.7/site-packages/pip-0.8.1-py2.7.egg/pip/vcs/subversion.py b/lib/python2.7/site-packages/pip-0.8.1-py2.7.egg/pip/vcs/subversion.py new file mode 100755 index 00000000..85715d97 --- /dev/null +++ b/lib/python2.7/site-packages/pip-0.8.1-py2.7.egg/pip/vcs/subversion.py @@ -0,0 +1,260 @@ +import os +import re +from pip import call_subprocess +from pip.index import Link +from pip.util import rmtree, display_path +from pip.log import logger +from pip.vcs import vcs, VersionControl + +_svn_xml_url_re = re.compile('url="([^"]+)"') +_svn_rev_re = re.compile('committed-rev="(\d+)"') +_svn_url_re = re.compile(r'URL: (.+)') +_svn_revision_re = re.compile(r'Revision: (.+)') + + +class Subversion(VersionControl): + name = 'svn' + dirname = '.svn' + repo_name = 'checkout' + schemes = ('svn', 'svn+ssh', 'svn+http', 'svn+https') + bundle_file = 'svn-checkout.txt' + guide = ('# This was an svn checkout; to make it a checkout again run:\n' + 'svn checkout --force -r %(rev)s %(url)s .\n') + + def get_info(self, location): + """Returns (url, revision), where both are strings""" + assert not location.rstrip('/').endswith(self.dirname), 'Bad directory: %s' % location + output = call_subprocess( + [self.cmd, 'info', location], show_stdout=False, extra_environ={'LANG': 'C'}) + match = _svn_url_re.search(output) + if not match: + logger.warn('Cannot determine URL of svn checkout %s' % display_path(location)) + logger.info('Output that cannot be parsed: \n%s' % output) + return None, None + url = match.group(1).strip() + match = _svn_revision_re.search(output) + if not match: + logger.warn('Cannot determine revision of svn checkout %s' % display_path(location)) + logger.info('Output that cannot be parsed: \n%s' % output) + return url, None + return url, match.group(1) + + def parse_vcs_bundle_file(self, content): + for line in content.splitlines(): + if not line.strip() or line.strip().startswith('#'): + continue + match = re.search(r'^-r\s*([^ ])?', line) + if not match: + return None, None + rev = match.group(1) + rest = line[match.end():].strip().split(None, 1)[0] + return rest, rev + return None, None + + def unpack(self, location): + """Check out the svn repository at the url to the destination location""" + url, rev = self.get_url_rev() + logger.notify('Checking out svn repository %s to %s' % (url, location)) + logger.indent += 2 + try: + if os.path.exists(location): + # Subversion doesn't like to check out over an existing directory + # --force fixes this, but was only added in svn 1.5 + rmtree(location) + call_subprocess( + [self.cmd, 'checkout', url, location], + filter_stdout=self._filter, show_stdout=False) + finally: + logger.indent -= 2 + + def export(self, location): + """Export the svn repository at the url to the destination location""" + url, rev = self.get_url_rev() + logger.notify('Exporting svn repository %s to %s' % (url, location)) + logger.indent += 2 + try: + if os.path.exists(location): + # Subversion doesn't like to check out over an existing directory + # --force fixes this, but was only added in svn 1.5 + rmtree(location) + call_subprocess( + [self.cmd, 'export', url, location], + filter_stdout=self._filter, show_stdout=False) + finally: + logger.indent -= 2 + + def switch(self, dest, url, rev_options): + call_subprocess( + [self.cmd, 'switch'] + rev_options + [url, dest]) + + def update(self, dest, rev_options): + call_subprocess( + [self.cmd, 'update'] + rev_options + [dest]) + + def obtain(self, dest): + url, rev = self.get_url_rev() + if rev: + rev_options = ['-r', rev] + rev_display = ' (to revision %s)' % rev + else: + rev_options = [] + rev_display = '' + if self.check_destination(dest, url, rev_options, rev_display): + logger.notify('Checking out %s%s to %s' + % (url, rev_display, display_path(dest))) + call_subprocess( + [self.cmd, 'checkout', '-q'] + rev_options + [url, dest]) + + def get_location(self, dist, dependency_links): + for url in dependency_links: + egg_fragment = Link(url).egg_fragment + if not egg_fragment: + continue + if '-' in egg_fragment: + ## FIXME: will this work when a package has - in the name? + key = '-'.join(egg_fragment.split('-')[:-1]).lower() + else: + key = egg_fragment + if key == dist.key: + return url.split('#', 1)[0] + return None + + def get_revision(self, location): + """ + Return the maximum revision for all files under a given location + """ + # Note: taken from setuptools.command.egg_info + revision = 0 + + for base, dirs, files in os.walk(location): + if self.dirname not in dirs: + dirs[:] = [] + continue # no sense walking uncontrolled subdirs + dirs.remove(self.dirname) + entries_fn = os.path.join(base, self.dirname, 'entries') + if not os.path.exists(entries_fn): + ## FIXME: should we warn? + continue + f = open(entries_fn) + data = f.read() + f.close() + + if data.startswith('8') or data.startswith('9') or data.startswith('10'): + data = map(str.splitlines, data.split('\n\x0c\n')) + del data[0][0] # get rid of the '8' + dirurl = data[0][3] + revs = [int(d[9]) for d in data if len(d)>9 and d[9]]+[0] + if revs: + localrev = max(revs) + else: + localrev = 0 + elif data.startswith('<?xml'): + dirurl = _svn_xml_url_re.search(data).group(1) # get repository URL + revs = [int(m.group(1)) for m in _svn_rev_re.finditer(data)]+[0] + if revs: + localrev = max(revs) + else: + localrev = 0 + else: + logger.warn("Unrecognized .svn/entries format; skipping %s", base) + dirs[:] = [] + continue + if base == location: + base_url = dirurl+'/' # save the root url + elif not dirurl.startswith(base_url): + dirs[:] = [] + continue # not part of the same svn tree, skip it + revision = max(revision, localrev) + return revision + + def get_url_rev(self): + # hotfix the URL scheme after removing svn+ from svn+ssh:// readd it + url, rev = super(Subversion, self).get_url_rev() + if url.startswith('ssh://'): + url = 'svn+' + url + return url, rev + + def get_url(self, location): + # In cases where the source is in a subdirectory, not alongside setup.py + # we have to look up in the location until we find a real setup.py + orig_location = location + while not os.path.exists(os.path.join(location, 'setup.py')): + last_location = location + location = os.path.dirname(location) + if location == last_location: + # We've traversed up to the root of the filesystem without finding setup.py + logger.warn("Could not find setup.py for directory %s (tried all parent directories)" + % orig_location) + return None + f = open(os.path.join(location, self.dirname, 'entries')) + data = f.read() + f.close() + if data.startswith('8') or data.startswith('9') or data.startswith('10'): + data = map(str.splitlines, data.split('\n\x0c\n')) + del data[0][0] # get rid of the '8' + return data[0][3] + elif data.startswith('<?xml'): + match = _svn_xml_url_re.search(data) + if not match: + raise ValueError('Badly formatted data: %r' % data) + return match.group(1) # get repository URL + else: + logger.warn("Unrecognized .svn/entries format in %s" % location) + # Or raise exception? + return None + + def get_tag_revs(self, svn_tag_url): + stdout = call_subprocess( + [self.cmd, 'ls', '-v', svn_tag_url], show_stdout=False) + results = [] + for line in stdout.splitlines(): + parts = line.split() + rev = int(parts[0]) + tag = parts[-1].strip('/') + results.append((tag, rev)) + return results + + def find_tag_match(self, rev, tag_revs): + best_match_rev = None + best_tag = None + for tag, tag_rev in tag_revs: + if (tag_rev > rev and + (best_match_rev is None or best_match_rev > tag_rev)): + # FIXME: Is best_match > tag_rev really possible? + # or is it a sign something is wacky? + best_match_rev = tag_rev + best_tag = tag + return best_tag + + def get_src_requirement(self, dist, location, find_tags=False): + repo = self.get_url(location) + if repo is None: + return None + parts = repo.split('/') + ## FIXME: why not project name? + egg_project_name = dist.egg_name().split('-', 1)[0] + rev = self.get_revision(location) + if parts[-2] in ('tags', 'tag'): + # It's a tag, perfect! + full_egg_name = '%s-%s' % (egg_project_name, parts[-1]) + elif parts[-2] in ('branches', 'branch'): + # It's a branch :( + full_egg_name = '%s-%s-r%s' % (dist.egg_name(), parts[-1], rev) + elif parts[-1] == 'trunk': + # Trunk :-/ + full_egg_name = '%s-dev_r%s' % (dist.egg_name(), rev) + if find_tags: + tag_url = '/'.join(parts[:-1]) + '/tags' + tag_revs = self.get_tag_revs(tag_url) + match = self.find_tag_match(rev, tag_revs) + if match: + logger.notify('trunk checkout %s seems to be equivalent to tag %s' % match) + repo = '%s/%s' % (tag_url, match) + full_egg_name = '%s-%s' % (egg_project_name, match) + else: + # Don't know what it is + logger.warn('svn URL does not fit normal structure (tags/branches/trunk): %s' % repo) + full_egg_name = '%s-dev_r%s' % (egg_project_name, rev) + return 'svn+%s@%s#egg=%s' % (repo, rev, full_egg_name) + +vcs.register(Subversion) |