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102 lines (84 loc) · 3.48 KB
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#!/usr/bin/env python3
"""
scripts/update_python_version.py
Sync this repo's .po files against a target CPython release tag. This is
the manual, deliberate, human-reviewed sync -- e.g. bumping from 3.14.6 to
3.14.7 -- as opposed to .github/workflows/sync-with-cpython.yml, which runs
nightly and only merges into .po files that already exist.
This script does the full job: full clone (so every .pot can be built,
including for brand-new upstream pages), merge into existing .po files,
AND create fresh .po files (via msginit) for any new pages. It shares its
core logic (fetch/build/merge/validate) with the workflow via
scripts/po_sync.py, so both paths run msgmerge with identical flags and
neither can silently drift from the other.
Usage:
python scripts/update_python_version.py v3.14.7
python scripts/update_python_version.py v3.15.0 --keep-src
python scripts/update_python_version.py v3.14.7 --no-commit-filter
"""
from __future__ import annotations
import argparse
import shutil
import subprocess
import sys
from pathlib import Path
sys.path.insert(0, str(Path(__file__).resolve().parent))
import po_sync # noqa: E402
import unstage_cosmetic # noqa: E402
REPO_ROOT = po_sync.REPO_ROOT
WORKDIR = REPO_ROOT / ".cpython-src"
def main() -> None:
parser = argparse.ArgumentParser(
description=__doc__, formatter_class=argparse.RawDescriptionHelpFormatter
)
parser.add_argument("tag", help="CPython git tag to sync against, e.g. v3.14.7")
parser.add_argument(
"--keep-src",
action="store_true",
help="keep the scratch CPython checkout instead of deleting it",
)
parser.add_argument(
"--locale", default="fa", help="locale code for new .po files (default: fa)"
)
parser.add_argument(
"--no-commit-filter",
action="store_true",
help="skip unstaging POT-Creation-Date-only changes "
"(item 3) -- useful if you want to inspect the raw diff",
)
args = parser.parse_args()
print(f"== Fetching CPython {args.tag} (full clone) ==")
po_sync.fetch_cpython_full(args.tag, WORKDIR)
print("\n== Building gettext templates ==")
pot_root = po_sync.build_gettext(WORKDIR / "Doc")
print("\n== Merging into this repo's .po files ==")
report = po_sync.merge_all(pot_root, create_new=True, locale=args.locale)
print(f"\n{report.summary()}")
if report.new_po_created:
print("New .po files created for upstream pages:")
for rel in report.new_po_created:
print(f" - {rel}")
print("\n== Validating .po files ==")
bad = po_sync.check_po_files()
if bad:
print("\nBroken .po files (fix before committing):")
for path, err in bad:
print(f" {path}:\n {err}")
sys.exit(1)
print("All .po files pass `msgfmt --check`.")
if not args.keep_src:
shutil.rmtree(WORKDIR, ignore_errors=True)
# Item 3: keep the same "don't commit timestamp-only churn" behavior
# the workflow already had, so this manual path produces an equally
# clean diff/baseline for the next nightly run.
print("\n== Staging changes ==")
subprocess.run(["git", "add", "--all"], cwd=REPO_ROOT, check=True)
if not args.no_commit_filter:
print("\n== Unstaging POT-Creation-Date-only changes ==")
unstage_cosmetic.main()
print(
f"\nDone. Review the diff, then commit as something like:\n"
f' git commit -m "Sync translations with CPython {args.tag}"'
)
if __name__ == "__main__":
main()