#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Copyright 2016 OpenMarket Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import logging
import os
import subprocess
logger = logging.getLogger(__name__)
def get_version_string(module):
try:
null = open(os.devnull, 'w')
cwd = os.path.dirname(os.path.abspath(module.__file__))
try:
git_branch = subprocess.check_output(
['git', 'rev-parse', '--abbrev-ref', 'HEAD'],
stderr=null,
cwd=cwd,
).strip().decode('ascii')
git_branch = "b=" + git_branch
except subprocess.CalledProcessError:
git_branch = ""
try:
git_tag = subprocess.check_output(
['git', 'describe', '--exact-match'],
stderr=null,
cwd=cwd,
).strip().decode('ascii')
git_tag = "t=" + git_tag
except subprocess.CalledProcessError:
git_tag = ""
try:
git_commit = subprocess.check_output(
['git', 'rev-parse', '--short', 'HEAD'],
stderr=null,
cwd=cwd,
).strip().decode('ascii')
except subprocess.CalledProcessError:
git_commit = ""
try:
dirty_string = "-this_is_a_dirty_checkout"
is_dirty = subprocess.check_output(
['git', 'describe', '--dirty=' + dirty_string],
stderr=null,
cwd=cwd,
).strip().decode('ascii').endswith(dirty_string)
git_dirty = "dirty" if is_dirty else ""
except subprocess.CalledProcessError:
git_dirty = ""
if git_branch or git_tag or git_commit or git_dirty:
git_version = ",".join(
s for s in
(git_branch, git_tag, git_commit, git_dirty,)
if s
)
return (
"%s (%s)" % (
module.__version__, git_version,
)
)
except Exception as e:
logger.info("Failed to check for git repository: %s", e)
return module.__version__