152 lines
5.7 KiB
Python
152 lines
5.7 KiB
Python
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import os
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import tempfile
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import re
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import sys
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from pip.util import call_subprocess
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from pip.util import display_path, rmtree
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from pip.log import logger
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from pip.vcs import vcs, VersionControl
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from pip.download import path_to_url
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from pip.backwardcompat import ConfigParser
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class Mercurial(VersionControl):
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name = 'hg'
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dirname = '.hg'
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repo_name = 'clone'
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schemes = ('hg', 'hg+http', 'hg+https', 'hg+ssh', 'hg+static-http')
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bundle_file = 'hg-clone.txt'
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guide = ('# This was a Mercurial repo; to make it a repo again run:\n'
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'hg init\nhg pull %(url)s\nhg update -r %(rev)s\n')
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def parse_vcs_bundle_file(self, content):
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url = rev = None
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for line in content.splitlines():
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if not line.strip() or line.strip().startswith('#'):
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continue
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url_match = re.search(r'hg\s*pull\s*(.*)\s*', line)
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if url_match:
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url = url_match.group(1).strip()
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rev_match = re.search(r'^hg\s*update\s*-r\s*(.*)\s*', line)
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if rev_match:
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rev = rev_match.group(1).strip()
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if url and rev:
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return url, rev
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return None, None
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def export(self, location):
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"""Export the Hg repository at the url to the destination location"""
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temp_dir = tempfile.mkdtemp('-export', 'pip-')
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self.unpack(temp_dir)
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try:
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call_subprocess(
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[self.cmd, 'archive', location],
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filter_stdout=self._filter, show_stdout=False, cwd=temp_dir)
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finally:
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rmtree(temp_dir)
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def switch(self, dest, url, rev_options):
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repo_config = os.path.join(dest, self.dirname, 'hgrc')
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config = ConfigParser.SafeConfigParser()
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try:
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config.read(repo_config)
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config.set('paths', 'default', url)
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config_file = open(repo_config, 'w')
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config.write(config_file)
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config_file.close()
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except (OSError, ConfigParser.NoSectionError):
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e = sys.exc_info()[1]
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logger.warn(
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'Could not switch Mercurial repository to %s: %s'
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% (url, e))
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else:
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call_subprocess([self.cmd, 'update', '-q'] + rev_options, cwd=dest)
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def update(self, dest, rev_options):
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call_subprocess([self.cmd, 'pull', '-q'], cwd=dest)
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call_subprocess(
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[self.cmd, 'update', '-q'] + rev_options, cwd=dest)
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def obtain(self, dest):
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url, rev = self.get_url_rev()
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if rev:
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rev_options = [rev]
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rev_display = ' (to revision %s)' % rev
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else:
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rev_options = []
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rev_display = ''
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if self.check_destination(dest, url, rev_options, rev_display):
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logger.notify('Cloning hg %s%s to %s'
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% (url, rev_display, display_path(dest)))
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call_subprocess([self.cmd, 'clone', '--noupdate', '-q', url, dest])
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call_subprocess([self.cmd, 'update', '-q'] + rev_options, cwd=dest)
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def get_url(self, location):
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url = call_subprocess(
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[self.cmd, 'showconfig', 'paths.default'],
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show_stdout=False, cwd=location).strip()
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if self._is_local_repository(url):
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url = path_to_url(url)
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return url.strip()
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def get_tag_revs(self, location):
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tags = call_subprocess(
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[self.cmd, 'tags'], show_stdout=False, cwd=location)
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tag_revs = []
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for line in tags.splitlines():
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tags_match = re.search(r'([\w\d\.-]+)\s*([\d]+):.*$', line)
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if tags_match:
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tag = tags_match.group(1)
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rev = tags_match.group(2)
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if "tip" != tag:
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tag_revs.append((rev.strip(), tag.strip()))
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return dict(tag_revs)
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def get_branch_revs(self, location):
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branches = call_subprocess(
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[self.cmd, 'branches'], show_stdout=False, cwd=location)
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branch_revs = []
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for line in branches.splitlines():
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branches_match = re.search(r'([\w\d\.-]+)\s*([\d]+):.*$', line)
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if branches_match:
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branch = branches_match.group(1)
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rev = branches_match.group(2)
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if "default" != branch:
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branch_revs.append((rev.strip(), branch.strip()))
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return dict(branch_revs)
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def get_revision(self, location):
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current_revision = call_subprocess(
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[self.cmd, 'parents', '--template={rev}'],
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show_stdout=False, cwd=location).strip()
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return current_revision
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def get_revision_hash(self, location):
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current_rev_hash = call_subprocess(
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[self.cmd, 'parents', '--template={node}'],
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show_stdout=False, cwd=location).strip()
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return current_rev_hash
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def get_src_requirement(self, dist, location, find_tags):
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repo = self.get_url(location)
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if not repo.lower().startswith('hg:'):
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repo = 'hg+' + repo
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egg_project_name = dist.egg_name().split('-', 1)[0]
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if not repo:
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return None
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current_rev = self.get_revision(location)
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current_rev_hash = self.get_revision_hash(location)
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tag_revs = self.get_tag_revs(location)
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branch_revs = self.get_branch_revs(location)
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if current_rev in tag_revs:
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# It's a tag
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full_egg_name = '%s-%s' % (egg_project_name, tag_revs[current_rev])
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elif current_rev in branch_revs:
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# It's the tip of a branch
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full_egg_name = '%s-%s' % (egg_project_name, branch_revs[current_rev])
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else:
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full_egg_name = '%s-dev' % egg_project_name
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return '%s@%s#egg=%s' % (repo, current_rev_hash, full_egg_name)
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vcs.register(Mercurial)
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