86 lines
2.8 KiB
Python
86 lines
2.8 KiB
Python
# Copyright 2016 OpenMarket Ltd
|
|
# Copyright 2021 The Matrix.org Foundation C.I.C.
|
|
#
|
|
# 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
|
|
from types import ModuleType
|
|
from typing import Dict
|
|
|
|
logger = logging.getLogger(__name__)
|
|
|
|
version_cache: Dict[ModuleType, str] = {}
|
|
|
|
|
|
def get_version_string(module: ModuleType) -> str:
|
|
"""Given a module calculate a git-aware version string for it.
|
|
|
|
If called on a module not in a git checkout will return `__version__`.
|
|
|
|
Args:
|
|
module: The module to check the version of. Must declare a __version__
|
|
attribute.
|
|
|
|
Returns:
|
|
The module version (as a string).
|
|
"""
|
|
|
|
cached_version = version_cache.get(module)
|
|
if cached_version is not None:
|
|
return cached_version
|
|
|
|
# We want this to fail loudly with an AttributeError. Type-ignore this so
|
|
# mypy only considers the happy path.
|
|
version_string = module.__version__ # type: ignore[attr-defined]
|
|
|
|
try:
|
|
cwd = os.path.dirname(os.path.abspath(module.__file__))
|
|
|
|
def _run_git_command(prefix: str, *params: str) -> str:
|
|
try:
|
|
result = (
|
|
subprocess.check_output(
|
|
["git", *params], stderr=subprocess.DEVNULL, cwd=cwd
|
|
)
|
|
.strip()
|
|
.decode("ascii")
|
|
)
|
|
return prefix + result
|
|
except (subprocess.CalledProcessError, FileNotFoundError):
|
|
return ""
|
|
|
|
git_branch = _run_git_command("b=", "rev-parse", "--abbrev-ref", "HEAD")
|
|
git_tag = _run_git_command("t=", "describe", "--exact-match")
|
|
git_commit = _run_git_command("", "rev-parse", "--short", "HEAD")
|
|
|
|
dirty_string = "-this_is_a_dirty_checkout"
|
|
is_dirty = _run_git_command("", "describe", "--dirty=" + dirty_string).endswith(
|
|
dirty_string
|
|
)
|
|
git_dirty = "dirty" if is_dirty else ""
|
|
|
|
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
|
|
)
|
|
|
|
version_string = f"{version_string} ({git_version})"
|
|
except Exception as e:
|
|
logger.info("Failed to check for git repository: %s", e)
|
|
|
|
version_cache[module] = version_string
|
|
|
|
return version_string
|