From 7b62791e001d6a4f8897ed48b3232d7f8fe6aa48 Mon Sep 17 00:00:00 2001 From: Patrick Cloke Date: Wed, 1 Dec 2021 12:43:32 -0500 Subject: [PATCH] Clean-up get_version_string (#11468) --- changelog.d/11468.misc | 1 + synapse/util/versionstring.py | 80 +++++++++++------------------------ 2 files changed, 25 insertions(+), 56 deletions(-) create mode 100644 changelog.d/11468.misc diff --git a/changelog.d/11468.misc b/changelog.d/11468.misc new file mode 100644 index 000000000..6fc0b5bca --- /dev/null +++ b/changelog.d/11468.misc @@ -0,0 +1 @@ +Refactor `get_version_string` to fix-up types and duplicated code. diff --git a/synapse/util/versionstring.py b/synapse/util/versionstring.py index 899ee0adc..c144ff62c 100644 --- a/synapse/util/versionstring.py +++ b/synapse/util/versionstring.py @@ -1,4 +1,5 @@ # 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. @@ -29,10 +30,11 @@ def get_version_string(module: ModuleType) -> str: If called on a module not in a git checkout will return `__version__`. Args: - module (module) + module: The module to check the version of. Must declare a __version__ + attribute. Returns: - str + The module version (as a string). """ cached_version = version_cache.get(module) @@ -44,71 +46,37 @@ def get_version_string(module: ModuleType) -> str: version_string = module.__version__ # type: ignore[attr-defined] 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 + def _run_git_command(prefix: str, *params: str) -> str: + try: + result = ( + subprocess.check_output( + ["git", *params], stderr=subprocess.DEVNULL, cwd=cwd + ) + .strip() + .decode("ascii") ) - .strip() - .decode("ascii") - ) - git_branch = "b=" + git_branch - except (subprocess.CalledProcessError, FileNotFoundError): - # FileNotFoundError can arise when git is not installed - git_branch = "" + return prefix + result + except (subprocess.CalledProcessError, FileNotFoundError): + return "" - 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, FileNotFoundError): - git_tag = "" + 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") - try: - git_commit = ( - subprocess.check_output( - ["git", "rev-parse", "--short", "HEAD"], stderr=null, cwd=cwd - ) - .strip() - .decode("ascii") - ) - except (subprocess.CalledProcessError, FileNotFoundError): - 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, FileNotFoundError): - git_dirty = "" + 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 = "%s (%s)" % ( - # If the __version__ attribute doesn't exist, we'll have failed - # loudly above. - module.__version__, # type: ignore[attr-defined] - git_version, - ) + version_string = f"{version_string} ({git_version})" except Exception as e: logger.info("Failed to check for git repository: %s", e)