check a package version matches the version from GITHUB_REF, used when deploying with github actions

check_github_actions_tag.py

#!/usr/bin/env python3
"""
see https://gist.github.com/samuelcolvin/3b662d40e28213fbcd046743cb7068d8 for details
"""
import os
import re
import sys
from importlib import import_module


def main(version_env_var='GITHUB_REF', package_env_var='PACKAGE') -> int:
    package = os.getenv(package_env_var)
    if not package:
        print(f'✖ "{package_env_var}" env variable not found')
        return 2
    module = import_module(package)
    raw_version = module.VERSION
    if not isinstance(raw_version, str):
        print(f'✖ version "{raw_version!r}" is not a string')
        return 2
    version = raw_version.lower()
    git_ref = os.getenv(version_env_var, 'none')
    tag = re.sub('^refs/tags/v*', '', git_ref.lower())
    if tag == version:
        print(f'✓ {version_env_var} env var {git_ref!r} matches package version: {tag!r} == {version!r}')
        return 0
    else:
        print(f'✖ {version_env_var} env var {git_ref!r} does not match package version: {tag!r} != {version!r}')
        return 1


if __name__ == '__main__':
    sys.exit(main())

usage.md

To use simply run

PACKAGE='<your package name>' python <(curl -Ls https://git.io/JvQsH)