From 68df54d6629ec019142eb149dd037774f2d11e7c Mon Sep 17 00:00:00 2001 From: Shubham Saini Date: Tue, 11 Dec 2018 15:31:23 +0530 Subject: First commit --- .../pip-10.0.1-py3.7.egg/pip/_internal/vcs/git.py | 311 +++++++++++++++++++++ 1 file changed, 311 insertions(+) create mode 100644 venv/lib/python3.7/site-packages/pip-10.0.1-py3.7.egg/pip/_internal/vcs/git.py (limited to 'venv/lib/python3.7/site-packages/pip-10.0.1-py3.7.egg/pip/_internal/vcs/git.py') diff --git a/venv/lib/python3.7/site-packages/pip-10.0.1-py3.7.egg/pip/_internal/vcs/git.py b/venv/lib/python3.7/site-packages/pip-10.0.1-py3.7.egg/pip/_internal/vcs/git.py new file mode 100644 index 0000000..7a63dfa --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-10.0.1-py3.7.egg/pip/_internal/vcs/git.py @@ -0,0 +1,311 @@ +from __future__ import absolute_import + +import logging +import os.path +import re + +from pip._vendor.packaging.version import parse as parse_version +from pip._vendor.six.moves.urllib import parse as urllib_parse +from pip._vendor.six.moves.urllib import request as urllib_request + +from pip._internal.compat import samefile +from pip._internal.exceptions import BadCommand +from pip._internal.utils.misc import display_path +from pip._internal.utils.temp_dir import TempDirectory +from pip._internal.vcs import VersionControl, vcs + +urlsplit = urllib_parse.urlsplit +urlunsplit = urllib_parse.urlunsplit + + +logger = logging.getLogger(__name__) + + +HASH_REGEX = re.compile('[a-fA-F0-9]{40}') + + +def looks_like_hash(sha): + return bool(HASH_REGEX.match(sha)) + + +class Git(VersionControl): + name = 'git' + dirname = '.git' + repo_name = 'clone' + schemes = ( + 'git', 'git+http', 'git+https', 'git+ssh', 'git+git', 'git+file', + ) + # Prevent the user's environment variables from interfering with pip: + # https://github.com/pypa/pip/issues/1130 + unset_environ = ('GIT_DIR', 'GIT_WORK_TREE') + default_arg_rev = 'HEAD' + + 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 + + urllib_request.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 get_base_rev_args(self, rev): + return [rev] + + def get_git_version(self): + VERSION_PFX = 'git version ' + version = self.run_command(['version'], show_stdout=False) + if version.startswith(VERSION_PFX): + version = version[len(VERSION_PFX):].split()[0] + else: + version = '' + # get first 3 positions of the git version becasue + # on windows it is x.y.z.windows.t, and this parses as + # LegacyVersion which always smaller than a Version. + version = '.'.join(version.split('.')[:3]) + return parse_version(version) + + def export(self, location): + """Export the Git repository at the url to the destination location""" + if not location.endswith('/'): + location = location + '/' + + with TempDirectory(kind="export") as temp_dir: + self.unpack(temp_dir.path) + self.run_command( + ['checkout-index', '-a', '-f', '--prefix', location], + show_stdout=False, cwd=temp_dir.path + ) + + def get_revision_sha(self, dest, rev): + """ + Return a commit hash for the given revision if it names a remote + branch or tag. Otherwise, return None. + + Args: + dest: the repository directory. + rev: the revision name. + """ + # Pass rev to pre-filter the list. + output = self.run_command(['show-ref', rev], cwd=dest, + show_stdout=False, on_returncode='ignore') + refs = {} + for line in output.strip().splitlines(): + try: + sha, ref = line.split() + except ValueError: + # Include the offending line to simplify troubleshooting if + # this error ever occurs. + raise ValueError('unexpected show-ref line: {!r}'.format(line)) + + refs[ref] = sha + + branch_ref = 'refs/remotes/origin/{}'.format(rev) + tag_ref = 'refs/tags/{}'.format(rev) + + return refs.get(branch_ref) or refs.get(tag_ref) + + def check_rev_options(self, dest, rev_options): + """Check the revision options before checkout. + + Returns a new RevOptions object for the SHA1 of the branch or tag + if found. + + Args: + rev_options: a RevOptions object. + """ + rev = rev_options.arg_rev + sha = self.get_revision_sha(dest, rev) + + if sha is not None: + return rev_options.make_new(sha) + + # Do not show a warning for the common case of something that has + # the form of a Git commit hash. + if not looks_like_hash(rev): + logger.warning( + "Did not find branch or tag '%s', assuming revision or ref.", + rev, + ) + return rev_options + + def is_commit_id_equal(self, dest, name): + """ + Return whether the current commit hash equals the given name. + + Args: + dest: the repository directory. + name: a string name. + """ + if not name: + # Then avoid an unnecessary subprocess call. + return False + + return self.get_revision(dest) == name + + def switch(self, dest, url, rev_options): + self.run_command(['config', 'remote.origin.url', url], cwd=dest) + cmd_args = ['checkout', '-q'] + rev_options.to_args() + self.run_command(cmd_args, cwd=dest) + + self.update_submodules(dest) + + def update(self, dest, rev_options): + # First fetch changes from the default remote + if self.get_git_version() >= parse_version('1.9.0'): + # fetch tags in addition to everything else + self.run_command(['fetch', '-q', '--tags'], cwd=dest) + else: + self.run_command(['fetch', '-q'], cwd=dest) + # Then reset to wanted revision (maybe even origin/master) + rev_options = self.check_rev_options(dest, rev_options) + cmd_args = ['reset', '--hard', '-q'] + rev_options.to_args() + self.run_command(cmd_args, cwd=dest) + #: update submodules + self.update_submodules(dest) + + def obtain(self, dest): + url, rev = self.get_url_rev() + rev_options = self.make_rev_options(rev) + if self.check_destination(dest, url, rev_options): + rev_display = rev_options.to_display() + logger.info( + 'Cloning %s%s to %s', url, rev_display, display_path(dest), + ) + self.run_command(['clone', '-q', url, dest]) + + if rev: + rev_options = self.check_rev_options(dest, rev_options) + # Only do a checkout if the current commit id doesn't match + # the requested revision. + if not self.is_commit_id_equal(dest, rev_options.rev): + rev = rev_options.rev + # Only fetch the revision if it's a ref + if rev.startswith('refs/'): + self.run_command( + ['fetch', '-q', url] + rev_options.to_args(), + cwd=dest, + ) + # Change the revision to the SHA of the ref we fetched + rev = 'FETCH_HEAD' + self.run_command(['checkout', '-q', rev], cwd=dest) + + #: repo may contain submodules + self.update_submodules(dest) + + def get_url(self, location): + """Return URL of the first remote encountered.""" + remotes = self.run_command( + ['config', '--get-regexp', r'remote\..*\.url'], + show_stdout=False, cwd=location, + ) + remotes = remotes.splitlines() + found_remote = remotes[0] + for remote in remotes: + if remote.startswith('remote.origin.url '): + found_remote = remote + break + url = found_remote.split(' ')[1] + return url.strip() + + def get_revision(self, location): + current_rev = self.run_command( + ['rev-parse', 'HEAD'], show_stdout=False, cwd=location, + ) + return current_rev.strip() + + def _get_subdirectory(self, location): + """Return the relative path of setup.py to the git repo root.""" + # find the repo root + git_dir = self.run_command(['rev-parse', '--git-dir'], + show_stdout=False, cwd=location).strip() + if not os.path.isabs(git_dir): + git_dir = os.path.join(location, git_dir) + root_dir = os.path.join(git_dir, '..') + # find 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.warning( + "Could not find setup.py for directory %s (tried all " + "parent directories)", + orig_location, + ) + return None + # relative path of setup.py to repo root + if samefile(root_dir, location): + return None + return os.path.relpath(location, root_dir) + + def get_src_requirement(self, dist, location): + 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) + req = '%s@%s#egg=%s' % (repo, current_rev, egg_project_name) + subdirectory = self._get_subdirectory(location) + if subdirectory: + req += '&subdirectory=' + subdirectory + return req + + 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 'file:' not 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 + + def update_submodules(self, location): + if not os.path.exists(os.path.join(location, '.gitmodules')): + return + self.run_command( + ['submodule', 'update', '--init', '--recursive', '-q'], + cwd=location, + ) + + @classmethod + def controls_location(cls, location): + if super(Git, cls).controls_location(location): + return True + try: + r = cls().run_command(['rev-parse'], + cwd=location, + show_stdout=False, + on_returncode='ignore') + return not r + except BadCommand: + logger.debug("could not determine if %s is under git control " + "because git is not available", location) + return False + + +vcs.register(Git) -- cgit v1.2.3