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Mini Shell
Mini Shell
# 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, SubProcessError
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], 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'],
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}'], 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}'],
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'], 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,
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 SubProcessError:
return None
return os.path.normpath(r.rstrip('\r\n'))
vcs.register(Mercurial)
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