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import os
import tempfile
import re
import sys
from pip 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_url2
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_url2(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)
