mirror of
https://github.com/matrix-org/synapse.git
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f8d0f72b27
The following modules now pass `disallow_untyped_defs`: * synapse.util.caches.cached_call * synapse.util.caches.lrucache * synapse.util.caches.response_cache * synapse.util.caches.stream_change_cache * synapse.util.caches.ttlcache pass * synapse.util.daemonize * synapse.util.patch_inline_callbacks pass `no-untyped-defs` * synapse.util.versionstring Additional typing in synapse.util.metrics. Didn't get this to pass `no-untyped-defs`, think I'll need to watch #10847
118 lines
3.7 KiB
Python
118 lines
3.7 KiB
Python
# Copyright 2016 OpenMarket Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import logging
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import os
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import subprocess
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from types import ModuleType
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from typing import Dict
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logger = logging.getLogger(__name__)
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version_cache: Dict[ModuleType, str] = {}
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def get_version_string(module: ModuleType) -> str:
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"""Given a module calculate a git-aware version string for it.
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If called on a module not in a git checkout will return `__version__`.
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Args:
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module (module)
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Returns:
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str
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"""
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cached_version = version_cache.get(module)
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if cached_version is not None:
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return cached_version
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# We want this to fail loudly with an AttributeError. Type-ignore this so
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# mypy only considers the happy path.
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version_string = module.__version__ # type: ignore[attr-defined]
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try:
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null = open(os.devnull, "w")
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cwd = os.path.dirname(os.path.abspath(module.__file__))
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try:
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git_branch = (
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subprocess.check_output(
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["git", "rev-parse", "--abbrev-ref", "HEAD"], stderr=null, cwd=cwd
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)
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.strip()
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.decode("ascii")
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)
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git_branch = "b=" + git_branch
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except (subprocess.CalledProcessError, FileNotFoundError):
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# FileNotFoundError can arise when git is not installed
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git_branch = ""
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try:
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git_tag = (
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subprocess.check_output(
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["git", "describe", "--exact-match"], stderr=null, cwd=cwd
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)
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.strip()
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.decode("ascii")
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)
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git_tag = "t=" + git_tag
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except (subprocess.CalledProcessError, FileNotFoundError):
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git_tag = ""
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try:
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git_commit = (
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subprocess.check_output(
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["git", "rev-parse", "--short", "HEAD"], stderr=null, cwd=cwd
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)
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.strip()
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.decode("ascii")
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)
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except (subprocess.CalledProcessError, FileNotFoundError):
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git_commit = ""
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try:
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dirty_string = "-this_is_a_dirty_checkout"
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is_dirty = (
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subprocess.check_output(
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["git", "describe", "--dirty=" + dirty_string], stderr=null, cwd=cwd
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)
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.strip()
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.decode("ascii")
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.endswith(dirty_string)
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)
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git_dirty = "dirty" if is_dirty else ""
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except (subprocess.CalledProcessError, FileNotFoundError):
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git_dirty = ""
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if git_branch or git_tag or git_commit or git_dirty:
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git_version = ",".join(
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s for s in (git_branch, git_tag, git_commit, git_dirty) if s
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)
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version_string = "%s (%s)" % (
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# If the __version__ attribute doesn't exist, we'll have failed
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# loudly above.
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module.__version__, # type: ignore[attr-defined]
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git_version,
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)
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except Exception as e:
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logger.info("Failed to check for git repository: %s", e)
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version_cache[module] = version_string
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return version_string
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