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from __future__ import absolute_import
import logging
import os
from pip._vendor.six.moves import configparser
from pip._internal.download import path_to_url
from pip._internal.utils.misc import display_path
from pip._internal.utils.temp_dir import TempDirectory
from pip._internal.vcs import VersionControl, vcs
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 get_base_rev_args(self, rev):
return [rev]
def export(self, location):
"""Export the Hg repository at the url to the destination location"""
with TempDirectory(kind="export") as temp_dir:
self.unpack(temp_dir.path)
self.run_command(
['archive', location], show_stdout=False, cwd=temp_dir.path
)
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:
cmd_args = ['update', '-q'] + rev_options.to_args()
self.run_command(cmd_args, cwd=dest)
def update(self, dest, rev_options):
self.run_command(['pull', '-q'], cwd=dest)
cmd_args = ['update', '-q'] + rev_options.to_args()
self.run_command(cmd_args, cwd=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 hg %s%s to %s',
url,
rev_display,
display_path(dest),
)
self.run_command(['clone', '--noupdate', '-q', url, dest])
cmd_args = ['update', '-q'] + rev_options.to_args()
self.run_command(cmd_args, 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 is_commit_id_equal(self, dest, name):
"""Always assume the versions don't match"""
return False
vcs.register(Mercurial)
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