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# The following comment should be removed at some point in the future. # mypy: disallow-untyped-defs=False from __future__ import absolute_import import logging import os from pip._vendor.six.moves import configparser from pip._internal.exceptions import BadCommand, InstallationError from pip._internal.utils.misc import display_path from pip._internal.utils.subprocess import make_command from pip._internal.utils.temp_dir import TempDirectory from pip._internal.utils.typing import MYPY_CHECK_RUNNING from pip._internal.utils.urls import path_to_url from pip._internal.vcs.versioncontrol import ( VersionControl, find_path_to_setup_from_repo_root, vcs, ) if MYPY_CHECK_RUNNING: from pip._internal.utils.misc import HiddenText from pip._internal.vcs.versioncontrol import RevOptions logger = logging.getLogger(__name__) class Mercurial(VersionControl): name = 'hg' dirname = '.hg' repo_name = 'clone' schemes = ( 'hg', 'hg+file', 'hg+http', 'hg+https', 'hg+ssh', 'hg+static-http', ) @staticmethod def get_base_rev_args(rev): return [rev] def export(self, location, url): # type: (str, HiddenText) -> None """Export the Hg repository at the url to the destination location""" with TempDirectory(kind="export") as temp_dir: self.unpack(temp_dir.path, url=url) self.run_command( ['archive', location], show_stdout=False, cwd=temp_dir.path ) def fetch_new(self, dest, url, rev_options): # type: (str, HiddenText, RevOptions) -> None rev_display = rev_options.to_display() logger.info( 'Cloning hg %s%s to %s', url, rev_display, display_path(dest), ) self.run_command(make_command('clone', '--noupdate', '-q', url, dest)) self.run_command( make_command('update', '-q', rev_options.to_args()), cwd=dest, ) def switch(self, dest, url, rev_options): # type: (str, HiddenText, RevOptions) -> None repo_config = os.path.join(dest, self.dirname, 'hgrc') config = configparser.RawConfigParser() try: config.read(repo_config) config.set('paths', 'default', url.secret) 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: cmd_args = make_command('update', '-q', rev_options.to_args()) self.run_command(cmd_args, cwd=dest) def update(self, dest, url, rev_options): # type: (str, HiddenText, RevOptions) -> None self.run_command(['pull', '-q'], cwd=dest) cmd_args = make_command('update', '-q', rev_options.to_args()) self.run_command(cmd_args, cwd=dest) @classmethod def get_remote_url(cls, location): url = cls.run_command( ['showconfig', 'paths.default'], show_stdout=False, cwd=location).strip() if cls._is_local_repository(url): url = path_to_url(url) return url.strip() @classmethod def get_revision(cls, location): """ Return the repository-local changeset revision number, as an integer. """ current_revision = cls.run_command( ['parents', '--template={rev}'], show_stdout=False, cwd=location).strip() return current_revision @classmethod def get_requirement_revision(cls, location): """ Return the changeset identification hash, as a 40-character hexadecimal string """ current_rev_hash = cls.run_command( ['parents', '--template={node}'], show_stdout=False, cwd=location).strip() return current_rev_hash @classmethod def is_commit_id_equal(cls, dest, name): """Always assume the versions don't match""" return False @classmethod def get_subdirectory(cls, location): """ Return the path to setup.py, relative to the repo root. Return None if setup.py is in the repo root. """ # find the repo root repo_root = cls.run_command( ['root'], show_stdout=False, cwd=location).strip() if not os.path.isabs(repo_root): repo_root = os.path.abspath(os.path.join(location, repo_root)) return find_path_to_setup_from_repo_root(location, repo_root) @classmethod def get_repository_root(cls, location): loc = super(Mercurial, cls).get_repository_root(location) if loc: return loc try: r = cls.run_command( ['root'], cwd=location, show_stdout=False, on_returncode='raise', log_failed_cmd=False, ) except BadCommand: logger.debug("could not determine if %s is under hg control " "because hg is not available", location) return None except InstallationError: return None return os.path.normpath(r.rstrip('\r\n')) vcs.register(Mercurial)