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#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# Copyright 2004-2007 Zuza Software Foundation
#
# This file is part of translate.
#
# translate is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# translate is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with translate; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
import translate.storage.versioncontrol
from translate.storage.versioncontrol import run_command
from translate.storage.versioncontrol import GenericRevisionControlSystem
def is_available():
"""check if bzr is installed"""
exitcode, output, error = run_command(["bzr", "version"])
return exitcode == 0
def get_version():
"""return a tuple of (major, minor) for the installed bazaar client"""
import re
command = ["bzr", "--version"]
exitcode, output, error = run_command(command)
if exitcode == 0:
version_line = output.splitlines()[0]
version_match = re.search(r"\d+\.\d+", version_line)
if version_match:
major, minor = version_match.group().split(".")
if (major.isdigit() and minor.isdigit()):
return (int(major), int(minor))
# if anything broke before, then we return the invalid version number
return (0, 0)
class bzr(GenericRevisionControlSystem):
"""Class to manage items under revision control of bzr."""
RCS_METADIR = ".bzr"
SCAN_PARENTS = True
def update(self, revision=None):
"""Does a clean update of the given path"""
# bzr revert
command = ["bzr", "revert", self.location_abs]
exitcode, output_revert, error = run_command(command)
if exitcode != 0:
raise IOError("[BZR] revert of '%s' failed: %s" \
% (self.location_abs, error))
# bzr pull
command = ["bzr", "pull"]
exitcode, output_pull, error = run_command(command)
if exitcode != 0:
raise IOError("[BZR] pull of '%s' failed: %s" \
% (self.location_abs, error))
return output_revert + output_pull
def commit(self, message=None, author=None):
"""Commits the file and supplies the given commit message if present"""
# bzr commit
command = ["bzr", "commit"]
if message:
command.extend(["-m", message])
# the "--author" argument is supported since bzr v0.91rc1
if author and (get_version() >= (0, 91)):
command.extend(["--author", author])
# the filename is the last argument
command.append(self.location_abs)
exitcode, output_commit, error = run_command(command)
if exitcode != 0:
raise IOError("[BZR] commit of '%s' failed: %s" \
% (self.location_abs, error))
# bzr push
command = ["bzr", "push"]
exitcode, output_push, error = run_command(command)
if exitcode != 0:
raise IOError("[BZR] push of '%s' failed: %s" \
% (self.location_abs, error))
return output_commit + output_push
def getcleanfile(self, revision=None):
"""Get a clean version of a file from the bzr repository"""
# bzr cat
command = ["bzr", "cat", self.location_abs]
exitcode, output, error = run_command(command)
if exitcode != 0:
raise IOError("[BZR] cat failed for '%s': %s" \
% (self.location_abs, error))
return output
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