| from __future__ import absolute_import |
| |
| import logging |
| import os |
| import tempfile |
| |
| from pip.utils import display_path, rmtree |
| from pip.vcs import vcs, VersionControl |
| from pip.download import path_to_url |
| from pip._vendor.six.moves import configparser |
| |
| |
| logger = logging.getLogger(__name__) |
| |
| |
| class Mercurial(VersionControl): |
| name = 'hg' |
| dirname = '.hg' |
| repo_name = 'clone' |
| schemes = ('hg', 'hg+http', 'hg+https', 'hg+ssh', 'hg+static-http') |
| |
| 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: |
| self.run_command( |
| ['archive', location], 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) |
| with open(repo_config, 'w') as config_file: |
| config.write(config_file) |
| except (OSError, configparser.NoSectionError) as exc: |
| logger.warning( |
| 'Could not switch Mercurial repository to %s: %s', url, exc, |
| ) |
| else: |
| self.run_command(['update', '-q'] + rev_options, cwd=dest) |
| |
| def update(self, dest, rev_options): |
| self.run_command(['pull', '-q'], cwd=dest) |
| self.run_command(['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.info( |
| 'Cloning hg %s%s to %s', |
| url, |
| rev_display, |
| display_path(dest), |
| ) |
| self.run_command(['clone', '--noupdate', '-q', url, dest]) |
| self.run_command(['update', '-q'] + rev_options, cwd=dest) |
| |
| def get_url(self, location): |
| url = self.run_command( |
| ['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_revision(self, location): |
| current_revision = self.run_command( |
| ['parents', '--template={rev}'], |
| show_stdout=False, cwd=location).strip() |
| return current_revision |
| |
| def get_revision_hash(self, location): |
| current_rev_hash = self.run_command( |
| ['parents', '--template={node}'], |
| show_stdout=False, cwd=location).strip() |
| return current_rev_hash |
| |
| def get_src_requirement(self, dist, location): |
| 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_hash = self.get_revision_hash(location) |
| return '%s@%s#egg=%s' % (repo, current_rev_hash, egg_project_name) |
| |
| def check_version(self, dest, rev_options): |
| """Always assume the versions don't match""" |
| return False |
| |
| vcs.register(Mercurial) |
