Edit: mercurial.py
import os import tempfile import re import sys from pip.util import call_subprocess from pip.util import display_path, rmtree from pip.log import logger from pip.vcs import vcs, VersionControl from pip.download import path_to_url from pip.backwardcompat import ConfigParser class Mercurial(VersionControl): name = 'hg' dirname = '.hg' repo_name = 'clone' schemes = ('hg', 'hg+http', 'hg+https', 'hg+ssh', 'hg+static-http') bundle_file = 'hg-clone.txt' guide = ('# This was a Mercurial repo; to make it a repo again run:\n' 'hg init\nhg pull %(url)s\nhg update -r %(rev)s\n') 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'hg\s*pull\s*(.*)\s*', line) if url_match: url = url_match.group(1).strip() rev_match = re.search(r'^hg\s*update\s*-r\s*(.*)\s*', line) if rev_match: rev = rev_match.group(1).strip() if url and rev: return url, rev return None, None def export(self, location): """Export the Hg repository at the url to the destination location""" temp_dir = tempfile.mkdtemp('-export', 'pip-') self.unpack(temp_dir) try: call_subprocess( [self.cmd, 'archive', location], filter_stdout=self._filter, show_stdout=False, cwd=temp_dir) finally: rmtree(temp_dir) def switch(self, dest, url, rev_options): repo_config = os.path.join(dest, self.dirname, 'hgrc') config = ConfigParser.SafeConfigParser() try: config.read(repo_config) config.set('paths', 'default', url) config_file = open(repo_config, 'w') config.write(config_file) config_file.close() except (OSError, ConfigParser.NoSectionError): e = sys.exc_info()[1] logger.warn( 'Could not switch Mercurial repository to %s: %s' % (url, e)) else: call_subprocess([self.cmd, 'update', '-q'] + rev_options, cwd=dest) def update(self, dest, rev_options): call_subprocess([self.cmd, 'pull', '-q'], cwd=dest) call_subprocess( [self.cmd, 'update', '-q'] + rev_options, cwd=dest) def obtain(self, dest): url, rev = self.get_url_rev() if rev: rev_options = [rev] rev_display = ' (to revision %s)' % rev else: rev_options = [] rev_display = '' if self.check_destination(dest, url, rev_options, rev_display): logger.notify('Cloning hg %s%s to %s' % (url, rev_display, display_path(dest))) call_subprocess([self.cmd, 'clone', '--noupdate', '-q', url, dest]) call_subprocess([self.cmd, 'update', '-q'] + rev_options, cwd=dest) def get_url(self, location): url = call_subprocess( [self.cmd, 'showconfig', 'paths.default'], show_stdout=False, cwd=location).strip() if self._is_local_repository(url): url = path_to_url(url) return url.strip() def get_tag_revs(self, location): tags = call_subprocess( [self.cmd, 'tags'], show_stdout=False, cwd=location) tag_revs = [] for line in tags.splitlines(): tags_match = re.search(r'([\w\d\.-]+)\s*([\d]+):.*$', line) if tags_match: tag = tags_match.group(1) rev = tags_match.group(2) if "tip" != tag: tag_revs.append((rev.strip(), tag.strip())) return dict(tag_revs) def get_branch_revs(self, location): branches = call_subprocess( [self.cmd, 'branches'], show_stdout=False, cwd=location) branch_revs = [] for line in branches.splitlines(): branches_match = re.search(r'([\w\d\.-]+)\s*([\d]+):.*$', line) if branches_match: branch = branches_match.group(1) rev = branches_match.group(2) if "default" != branch: branch_revs.append((rev.strip(), branch.strip())) return dict(branch_revs) def get_revision(self, location): current_revision = call_subprocess( [self.cmd, 'parents', '--template={rev}'], show_stdout=False, cwd=location).strip() return current_revision def get_revision_hash(self, location): current_rev_hash = call_subprocess( [self.cmd, 'parents', '--template={node}'], show_stdout=False, cwd=location).strip() return current_rev_hash def get_src_requirement(self, dist, location, find_tags): repo = self.get_url(location) if not repo.lower().startswith('hg:'): repo = 'hg+' + repo egg_project_name = dist.egg_name().split('-', 1)[0] if not repo: return None current_rev = self.get_revision(location) current_rev_hash = self.get_revision_hash(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: # It's the tip of a branch full_egg_name = '%s-%s' % (egg_project_name, branch_revs[current_rev]) else: full_egg_name = '%s-dev' % egg_project_name return '%s@%s#egg=%s' % (repo, current_rev_hash, full_egg_name) vcs.register(Mercurial)
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