PowerToys/PythonHome/Lib/site-packages/pip/vcs/bazaar.py
2014-07-10 23:57:08 +08:00

132 lines
4.8 KiB
Python

import os
import tempfile
import re
from pip.backwardcompat import urlparse
from pip.log import logger
from pip.util import rmtree, display_path, call_subprocess
from pip.vcs import vcs, VersionControl
from pip.download import path_to_url
class Bazaar(VersionControl):
name = 'bzr'
dirname = '.bzr'
repo_name = 'branch'
bundle_file = 'bzr-branch.txt'
schemes = ('bzr', 'bzr+http', 'bzr+https', 'bzr+ssh', 'bzr+sftp', 'bzr+ftp', 'bzr+lp')
guide = ('# This was a Bazaar branch; to make it a branch again run:\n'
'bzr branch -r %(rev)s %(url)s .\n')
def __init__(self, url=None, *args, **kwargs):
super(Bazaar, self).__init__(url, *args, **kwargs)
# Python >= 2.7.4, 3.3 doesn't have uses_fragment or non_hierarchical
# Register lp but do not expose as a scheme to support bzr+lp.
if getattr(urlparse, 'uses_fragment', None):
urlparse.uses_fragment.extend(['lp'])
urlparse.non_hierarchical.extend(['lp'])
def parse_vcs_bundle_file(self, content):
url = rev = None
for line in content.splitlines():
if not line.strip() or line.strip().startswith('#'):
continue
match = re.search(r'^bzr\s*branch\s*-r\s*(\d*)', line)
if match:
rev = match.group(1).strip()
url = line[match.end():].strip().split(None, 1)[0]
if url and rev:
return url, rev
return None, None
def export(self, location):
"""Export the Bazaar repository at the url to the destination location"""
temp_dir = tempfile.mkdtemp('-export', 'pip-')
self.unpack(temp_dir)
if os.path.exists(location):
# Remove the location to make sure Bazaar can export it correctly
rmtree(location)
try:
call_subprocess([self.cmd, 'export', location], cwd=temp_dir,
filter_stdout=self._filter, show_stdout=False)
finally:
rmtree(temp_dir)
def switch(self, dest, url, rev_options):
call_subprocess([self.cmd, 'switch', url], cwd=dest)
def update(self, dest, rev_options):
call_subprocess(
[self.cmd, 'pull', '-q'] + rev_options, cwd=dest)
def obtain(self, dest):
url, rev = self.get_url_rev()
if rev:
rev_options = ['-r', rev]
rev_display = ' (to revision %s)' % rev
else:
rev_options = []
rev_display = ''
if self.check_destination(dest, url, rev_options, rev_display):
logger.notify('Checking out %s%s to %s'
% (url, rev_display, display_path(dest)))
call_subprocess(
[self.cmd, 'branch', '-q'] + rev_options + [url, dest])
def get_url_rev(self):
# hotfix the URL scheme after removing bzr+ from bzr+ssh:// readd it
url, rev = super(Bazaar, self).get_url_rev()
if url.startswith('ssh://'):
url = 'bzr+' + url
return url, rev
def get_url(self, location):
urls = call_subprocess(
[self.cmd, 'info'], show_stdout=False, cwd=location)
for line in urls.splitlines():
line = line.strip()
for x in ('checkout of branch: ',
'parent branch: '):
if line.startswith(x):
repo = line.split(x)[1]
if self._is_local_repository(repo):
return path_to_url(repo)
return repo
return None
def get_revision(self, location):
revision = call_subprocess(
[self.cmd, 'revno'], show_stdout=False, cwd=location)
return revision.splitlines()[-1]
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-]+)\s*(.*)$', line)
if tags_match:
tag = tags_match.group(1)
rev = tags_match.group(2)
tag_revs.append((rev.strip(), tag.strip()))
return dict(tag_revs)
def get_src_requirement(self, dist, location, find_tags):
repo = self.get_url(location)
if not repo.lower().startswith('bzr:'):
repo = 'bzr+' + repo
egg_project_name = dist.egg_name().split('-', 1)[0]
if not repo:
return None
current_rev = self.get_revision(location)
tag_revs = self.get_tag_revs(location)
if current_rev in tag_revs:
# It's a tag
full_egg_name = '%s-%s' % (egg_project_name, tag_revs[current_rev])
else:
full_egg_name = '%s-dev_r%s' % (dist.egg_name(), current_rev)
return '%s@%s#egg=%s' % (repo, current_rev, full_egg_name)
vcs.register(Bazaar)