/usr/lib/python2.7/dist-packages/vcstools/bzr.py is in python-vcstools 0.1.38-1.
This file is owned by root:root, with mode 0o644.
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#
# Copyright (c) 2010, Willow Garage, Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following
# disclaimer in the documentation and/or other materials provided
# with the distribution.
# * Neither the name of Willow Garage, Inc. nor the names of its
# contributors may be used to endorse or promote products derived
# from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
#
"""
bzr vcs support.
"""
from __future__ import absolute_import, print_function, unicode_literals
import os
import re
import email.utils # For email parsing
import dateutil.parser # Date string parsing
# first try python3, then python2
try:
from urllib.request import url2pathname
except ImportError:
from urllib2 import url2pathname
from vcstools.vcs_base import VcsClientBase, VcsError
from vcstools.common import sanitized, normalized_rel_path, \
run_shell_command, ensure_dir_notexists
def _get_bzr_version():
"""Looks up bzr version by calling bzr --version.
:raises: VcsError if bzr is not installed"""
try:
value, output, _ = run_shell_command('bzr --version',
shell=True,
us_env=True)
if value == 0 and output is not None and len(output.splitlines()) > 0:
version = output.splitlines()[0]
else:
raise VcsError("bzr --version returned %s," +
" maybe bzr is not installed" %
value)
except VcsError as e:
raise VcsError("Coud not determine whether bzr is installed: %s" % e)
return version
class BzrClient(VcsClientBase):
def __init__(self, path):
"""
:raises: VcsError if bzr not detected
"""
VcsClientBase.__init__(self, 'bzr', path)
_get_bzr_version()
@staticmethod
def get_environment_metadata():
metadict = {}
try:
metadict["version"] = _get_bzr_version()
except:
metadict["version"] = "no bzr installed"
return metadict
def get_url(self):
"""
:returns: BZR URL of the branch (output of bzr info command),
or None if it cannot be determined
"""
result = None
if self.detect_presence():
cmd = 'bzr info %s' % self._path
_, output, _ = run_shell_command(cmd, shell=True, us_env=True)
matches = [l for l in output.splitlines() if l.startswith(' parent branch: ')]
if matches:
ppath = url2pathname(matches[0][len(' parent branch: '):])
# when it can, bzr substitues absolute path for relative paths
if (ppath is not None and os.path.isdir(ppath) and not os.path.isabs(ppath)):
result = os.path.abspath(os.path.join(os.getcwd(), ppath))
else:
result = ppath
return result
def url_matches(self, url, url_or_shortcut):
if super(BzrClient, self).url_matches(url, url_or_shortcut):
return True
# if we got a shortcut (e.g. launchpad url), we compare using
# bzr info and return that one if result matches.
result = False
if url_or_shortcut is not None:
cmd = 'bzr info %s' % url_or_shortcut
value, output, _ = run_shell_command(cmd, shell=True, us_env=True)
if value == 0:
for line in output.splitlines():
sline = line.strip()
for prefix in ['shared repository: ',
'repository branch: ',
'branch root: ']:
if sline.startswith(prefix):
if super(BzrClient, self).url_matches(url, sline[len(prefix):]):
result = True
break
return result
@staticmethod
def static_detect_presence(path):
return os.path.isdir(os.path.join(path, '.bzr'))
def checkout(self, url, version=None, verbose=False,
shallow=False, timeout=None):
if url is None or url.strip() == '':
raise ValueError('Invalid empty url : "%s"' % url)
# bzr 2.5.1 fails if empty directory exists
if not ensure_dir_notexists(self.get_path()):
self.logger.error("Can't remove %s" % self.get_path())
return False
cmd = 'bzr branch'
if version:
cmd += ' -r %s' % version
cmd += ' %s %s' % (url, self._path)
value, _, msg = run_shell_command(cmd,
shell=True,
show_stdout=verbose,
verbose=verbose)
if value != 0:
if msg:
self.logger.error('%s' % msg)
return False
return True
def update(self, version='', verbose=False, timeout=None):
if not self.detect_presence():
return False
value, _, _ = run_shell_command("bzr pull",
cwd=self._path,
shell=True,
show_stdout=True,
verbose=verbose)
if value != 0:
return False
# Ignore verbose param, bzr is pretty verbose on update anyway
if version is not None and version != '':
cmd = "bzr update -r %s" % (version)
else:
cmd = "bzr update"
value, _, _ = run_shell_command(cmd,
cwd=self._path,
shell=True,
show_stdout=True,
verbose=verbose)
if value == 0:
return True
return False
def get_version(self, spec=None):
"""
:param spec: (optional) revisionspec of desired version. May
be any revisionspec as returned by 'bzr help revisionspec',
e.g. a tagname or 'revno:<number>'
:returns: the current revision number of the repository. Or if
spec is provided, the number of a revision specified by some
token.
"""
if self.detect_presence():
if spec is not None:
command = ['bzr log -r %s .' % sanitized(spec)]
_, output, _ = run_shell_command(command,
shell=True,
cwd=self._path,
us_env=True)
if output is None or output.strip() == '' or output.startswith("bzr:"):
return None
else:
matches = [l for l in output.split('\n') if l.startswith('revno: ')]
if len(matches) == 1:
return matches[0].split()[1]
else:
_, output, _ = run_shell_command('bzr revno --tree',
shell=True,
cwd=self._path,
us_env=True)
return output.strip()
def get_current_version_label(self):
# url contains branch information
return None
def get_remote_version(self, fetch=False):
# Not sure how to get any useful information from bzr about this,
# since bzr has no globally unique IDs
return None
def get_diff(self, basepath=None):
response = None
if basepath is None:
basepath = self._path
if self.path_exists():
rel_path = sanitized(normalized_rel_path(self._path, basepath))
command = "bzr diff %s" % rel_path
command += " -p1 --prefix %s/:%s/" % (rel_path, rel_path)
_, response, _ = run_shell_command(command, shell=True, cwd=basepath)
return response
def get_log(self, relpath=None, limit=None):
response = []
if relpath is None:
relpath = ''
# Compile regexes
id_regex = re.compile('^revno: ([0-9]+)$', flags=re.MULTILINE)
committer_regex = re.compile('^committer: (.+)$', flags=re.MULTILINE)
timestamp_regex = re.compile('^timestamp: (.+)$', flags=re.MULTILINE)
message_regex = re.compile('^ (.+)$', flags=re.MULTILINE)
if self.path_exists() and os.path.exists(os.path.join(self._path, relpath)):
# Get the log
limit_cmd = (("--limit=%d" % (int(limit))) if limit else "")
command = "bzr log %s %s" % (sanitized(relpath), limit_cmd)
return_code, text_response, stderr = run_shell_command(command, shell=True, cwd=self._path)
if return_code == 0:
revno_match = id_regex.findall(text_response)
committer_match = committer_regex.findall(text_response)
timestamp_match = timestamp_regex.findall(text_response)
message_match = message_regex.findall(text_response)
# Extract the entries
for revno, committer, timestamp, message in zip(revno_match,
committer_match,
timestamp_match,
message_match):
author, email_address = email.utils.parseaddr(committer)
date = dateutil.parser.parse(timestamp)
log_data = {'id': revno,
'author': author,
'email': email_address,
'message': message,
'date': date}
response.append(log_data)
return response
def get_status(self, basepath=None, untracked=False):
response = None
if basepath is None:
basepath = self._path
if self.path_exists():
rel_path = normalized_rel_path(self._path, basepath)
command = "bzr status %s -S" % sanitized(rel_path)
if not untracked:
command += " -V"
_, response, _ = run_shell_command(command, shell=True, cwd=basepath)
response_processed = ""
for line in response.split('\n'):
if len(line.strip()) > 0:
response_processed += line[0:4] + rel_path + '/'
response_processed += line[4:] + '\n'
response = response_processed
return response
def get_branches(self, local_only=False):
# see http://doc.bazaar.canonical.com/beta/en/user-guide/shared_repository_layouts.html
# the 'bzr branches' command exists, but is not useful here (too many assumptions)
# Else bazaar branches are equivalent to forks in git and hg
# such branches (forks) on launchpad could be retrieved using
# the launchpadlib, but the API is probably not stable.
raise NotImplementedError("get_branches is not implemented for bzr")
def export_repository(self, version, basepath):
# execute the bzr export cmd
cmd = 'bzr export --format=tgz {0} '.format(basepath + '.tar.gz')
cmd += '{0}'.format(version)
result, _, _ = run_shell_command(cmd, shell=True, cwd=self._path)
if result:
return False
return True
BZRClient = BzrClient
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