update-workflow

#!/usr/bin/env python3

# Copyright © Michal Čihař <michal@weblate.org>
#
# SPDX-License-Identifier: CC0-1.0

"""Synchronizes GitHub workflows for Weblate repositories."""

import subprocess
import sys

import ruamel.yaml

RUNS_UPDATE = {
    "ubuntu-latest": "ubuntu-24.04",
    "macos-latest": "macos-14",
    "windows-latest": "windows-2022",
}
PYTHON_VERSION = "3.13"

yaml = ruamel.yaml.YAML()
yaml.indent = 2
yaml.preserve_quotes = False
yaml.width = sys.maxsize

with open(sys.argv[1]) as handle:
    data = yaml.load(handle)

modified = False

for job_name in data["jobs"]:
    job = data["jobs"][job_name]

    # Avoid using *-latest OS, pin it instead
    if job["runs-on"] in RUNS_UPDATE:
        job["runs-on"] = RUNS_UPDATE[job["runs-on"]]
        modified = True

    # Use latest stable Python version for all workflows
    for step in job["steps"]:
        uses = step.get("uses", "")
        if uses.startswith("actions/setup-python@"):
            try:
                float(step["with"]["python-version"])
            except (KeyError, ValueError):
                continue
            step["with"]["python-version"] = PYTHON_VERSION
            modified = True
        if uses.startswith("astral-sh/setup-uv@"):
            try:
                float(step["with"]["cache-suffix"])
            except (KeyError, ValueError):
                continue
            step["with"]["cache-suffix"] = PYTHON_VERSION
            modified = True
        if uses.startswith("actions/checkout@") and uses != "actions/checkout@v4":
            step["uses"] = "actions/checkout@v4"
            modified = True

if modified:
    with open(sys.argv[1], "w") as handle:
        yaml.dump(data, handle)

    subprocess.run(
        ["pre-commit", "run", "--files", sys.argv[1]], check=False, capture_output=True
    )