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#!/usr/bin/env python3
import argparse
import importlib.util
import os
from pathlib import Path
import py_compile
import shutil
import tempfile
DESTINATION = (
Path(__file__).resolve().parents[1]
/ "src"
/ "sailfish_devel_mcp"
/ "vendor"
/ "build_sailfishos.py"
)
def helper_version(path: Path) -> str:
spec = importlib.util.spec_from_file_location("candidate_build_sailfishos", path)
if spec is None or spec.loader is None:
raise RuntimeError(f"could not load helper: {path}")
module = importlib.util.module_from_spec(spec)
spec.loader.exec_module(module)
version = getattr(module, "HELPER_VERSION", None)
if not isinstance(version, str) or not version:
raise RuntimeError(f"helper has no HELPER_VERSION: {path}")
return version
def main() -> int:
parser = argparse.ArgumentParser(description="Update the vendored build-sailfishos helper")
parser.add_argument("source", type=Path, help="Canonical build_sailfishos.py")
args = parser.parse_args()
source = args.source.expanduser().resolve()
if not source.is_file():
parser.error(f"source helper not found: {source}")
version = helper_version(source)
py_compile.compile(str(source), doraise=True)
DESTINATION.parent.mkdir(parents=True, exist_ok=True)
descriptor, temporary_name = tempfile.mkstemp(
prefix=f".{DESTINATION.name}.",
suffix=".tmp",
dir=DESTINATION.parent,
)
os.close(descriptor)
temporary = Path(temporary_name)
try:
shutil.copyfile(source, temporary)
temporary.chmod(0o755 if source.stat().st_mode & 0o111 else 0o644)
os.replace(temporary, DESTINATION)
finally:
try:
temporary.unlink()
except FileNotFoundError:
pass
print(f"vendored build helper {version}: {DESTINATION}")
return 0
if __name__ == "__main__":
raise SystemExit(main())
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