diff options
Diffstat (limited to 'lib/python2.7/site-packages/pip-0.8.1-py2.7.egg/pip/vcs/git.py')
| -rwxr-xr-x | lib/python2.7/site-packages/pip-0.8.1-py2.7.egg/pip/vcs/git.py | 204 |
1 files changed, 204 insertions, 0 deletions
diff --git a/lib/python2.7/site-packages/pip-0.8.1-py2.7.egg/pip/vcs/git.py b/lib/python2.7/site-packages/pip-0.8.1-py2.7.egg/pip/vcs/git.py new file mode 100755 index 00000000..0701e49e --- /dev/null +++ b/lib/python2.7/site-packages/pip-0.8.1-py2.7.egg/pip/vcs/git.py @@ -0,0 +1,204 @@ +import os +import shutil +import tempfile +import re +from pip import call_subprocess +from pip.util import display_path +from pip.vcs import vcs, VersionControl +from pip.log import logger +from urllib import url2pathname +from urlparse import urlsplit, urlunsplit + + +class Git(VersionControl): + name = 'git' + dirname = '.git' + repo_name = 'clone' + schemes = ('git', 'git+http', 'git+ssh', 'git+git', 'git+file') + bundle_file = 'git-clone.txt' + guide = ('# This was a Git repo; to make it a repo again run:\n' + 'git init\ngit remote add origin %(url)s -f\ngit checkout %(rev)s\n') + + def __init__(self, url=None, *args, **kwargs): + + # Works around an apparent Git bug + # (see http://article.gmane.org/gmane.comp.version-control.git/146500) + if url: + scheme, netloc, path, query, fragment = urlsplit(url) + if scheme.endswith('file'): + initial_slashes = path[:-len(path.lstrip('/'))] + newpath = initial_slashes + url2pathname(path).replace('\\', '/').lstrip('/') + url = urlunsplit((scheme, netloc, newpath, query, fragment)) + after_plus = scheme.find('+')+1 + url = scheme[:after_plus]+ urlunsplit((scheme[after_plus:], netloc, newpath, query, fragment)) + + super(Git, self).__init__(url, *args, **kwargs) + + def parse_vcs_bundle_file(self, content): + url = rev = None + for line in content.splitlines(): + if not line.strip() or line.strip().startswith('#'): + continue + url_match = re.search(r'git\s*remote\s*add\s*origin(.*)\s*-f', line) + if url_match: + url = url_match.group(1).strip() + rev_match = re.search(r'^git\s*checkout\s*-q\s*(.*)\s*', line) + if rev_match: + rev = rev_match.group(1).strip() + if url and rev: + return url, rev + return None, None + + def unpack(self, location): + """Clone the Git repository at the url to the destination location""" + url, rev = self.get_url_rev() + logger.notify('Cloning Git repository %s to %s' % (url, location)) + logger.indent += 2 + try: + if os.path.exists(location): + os.rmdir(location) + call_subprocess( + [self.cmd, 'clone', url, location], + filter_stdout=self._filter, show_stdout=False) + finally: + logger.indent -= 2 + + def export(self, location): + """Export the Git repository at the url to the destination location""" + temp_dir = tempfile.mkdtemp('-export', 'pip-') + self.unpack(temp_dir) + try: + if not location.endswith('/'): + location = location + '/' + call_subprocess( + [self.cmd, 'checkout-index', '-a', '-f', '--prefix', location], + filter_stdout=self._filter, show_stdout=False, cwd=temp_dir) + finally: + shutil.rmtree(temp_dir) + + def check_rev_options(self, rev, dest, rev_options): + """Check the revision options before checkout to compensate that tags + and branches may need origin/ as a prefix. + Returns the SHA1 of the branch or tag if found. + """ + revisions = self.get_tag_revs(dest) + revisions.update(self.get_branch_revs(dest)) + inverse_revisions = dict((v, k) for k, v in revisions.iteritems()) + # Check if rev is a branch name + origin_rev = 'origin/%s' % rev + if origin_rev in inverse_revisions: + return [inverse_revisions[origin_rev]] + elif rev in inverse_revisions: + return [inverse_revisions[rev]] + else: + logger.warn("Could not find a tag or branch '%s', assuming commit." % rev) + return rev_options + + def switch(self, dest, url, rev_options): + call_subprocess( + [self.cmd, 'config', 'remote.origin.url', url], cwd=dest) + call_subprocess( + [self.cmd, 'checkout', '-q'] + rev_options, cwd=dest) + + def update(self, dest, rev_options): + call_subprocess([self.cmd, 'pull', '-q'], cwd=dest) + call_subprocess( + [self.cmd, 'checkout', '-q', '-f'] + rev_options, cwd=dest) + + def obtain(self, dest): + url, rev = self.get_url_rev() + if rev: + rev_options = [rev] + rev_display = ' (to %s)' % rev + else: + rev_options = ['master'] + rev_display = '' + if self.check_destination(dest, url, rev_options, rev_display): + logger.notify('Cloning %s%s to %s' % (url, rev_display, display_path(dest))) + call_subprocess([self.cmd, 'clone', '-q', url, dest]) + if rev: + rev_options = self.check_rev_options(rev, dest, rev_options) + # Only do a checkout if rev_options differs from HEAD + if not self.get_revision(dest).startswith(rev_options[0]): + call_subprocess([self.cmd, 'checkout', '-q'] + rev_options, cwd=dest) + + def get_url(self, location): + url = call_subprocess( + [self.cmd, 'config', 'remote.origin.url'], + show_stdout=False, cwd=location) + return url.strip() + + def get_revision(self, location): + current_rev = call_subprocess( + [self.cmd, 'rev-parse', 'HEAD'], show_stdout=False, cwd=location) + return current_rev.strip() + + def get_tag_revs(self, location): + tags = call_subprocess( + [self.cmd, 'tag', '-l'], + show_stdout=False, raise_on_returncode=False, cwd=location) + tag_revs = [] + for line in tags.splitlines(): + tag = line.strip() + rev = call_subprocess( + [self.cmd, 'rev-parse', tag], show_stdout=False, cwd=location) + tag_revs.append((rev.strip(), tag)) + tag_revs = dict(tag_revs) + return tag_revs + + def get_branch_revs(self, location): + branches = call_subprocess( + [self.cmd, 'branch', '-r'], show_stdout=False, cwd=location) + branch_revs = [] + for line in branches.splitlines(): + line = line.split('->')[0].strip() + branch = "".join([b for b in line.split() if b != '*']) + rev = call_subprocess( + [self.cmd, 'rev-parse', branch], show_stdout=False, cwd=location) + branch_revs.append((rev.strip(), branch)) + branch_revs = dict(branch_revs) + return branch_revs + + def get_src_requirement(self, dist, location, find_tags): + repo = self.get_url(location) + if not repo.lower().startswith('git:'): + repo = 'git+' + repo + egg_project_name = dist.egg_name().split('-', 1)[0] + if not repo: + return None + current_rev = self.get_revision(location) + tag_revs = self.get_tag_revs(location) + branch_revs = self.get_branch_revs(location) + + if current_rev in tag_revs: + # It's a tag + full_egg_name = '%s-%s' % (egg_project_name, tag_revs[current_rev]) + elif (current_rev in branch_revs and + branch_revs[current_rev] != 'origin/master'): + # It's the head of a branch + full_egg_name = '%s-%s' % (dist.egg_name(), + branch_revs[current_rev].replace('origin/', '')) + else: + full_egg_name = '%s-dev' % dist.egg_name() + + return '%s@%s#egg=%s' % (repo, current_rev, full_egg_name) + + def get_url_rev(self): + """ + Prefixes stub URLs like 'user@hostname:user/repo.git' with 'ssh://'. + That's required because although they use SSH they sometimes doesn't + work with a ssh:// scheme (e.g. Github). But we need a scheme for + parsing. Hence we remove it again afterwards and return it as a stub. + """ + if not '://' in self.url: + assert not 'file:' in self.url + self.url = self.url.replace('git+', 'git+ssh://') + url, rev = super(Git, self).get_url_rev() + url = url.replace('ssh://', '') + else: + url, rev = super(Git, self).get_url_rev() + + return url, rev + + +vcs.register(Git) |