xavierk
80a3792576
Import the vocalinux source tree (tray app, Next.js site in web/, packaging, installers, docs and tests) on top of the Gitea template commit. The project README replaces the template README, and the template CI files (.gitea/workflows/ci.yml, .jscpd.json, CI.md) are kept.
51 lines
1.8 KiB
Python
Executable File
51 lines
1.8 KiB
Python
Executable File
#!/usr/bin/env python3
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"""Select committed requirement blocks without changing pins, markers or hashes.
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The installer uses complete exports for normal installs and just pywhispercpp's
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block for backend rebuilds. Missing exports or packages are errors, never an
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empty successful install. Only the standard library is needed before bootstrap.
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"""
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from __future__ import annotations
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import argparse
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import re
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from pathlib import Path
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def select_requirements(source: Path, package: str | None = None) -> str:
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"""Return an export, optionally retaining only one distribution's blocks."""
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text = source.read_text(encoding="utf-8")
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blocks = re.split(r"(?=^[A-Za-z0-9_.-]+==)", text, flags=re.MULTILINE)
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requirements = blocks[1:]
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if not requirements:
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raise ValueError(f"No pinned requirements in {source}")
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if package is not None:
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normalize = lambda name: re.sub(r"[-_.]+", "-", name).lower()
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requirements = [
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block
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for block in requirements
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if normalize(block.split("==", 1)[0]) == normalize(package)
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]
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if not requirements:
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raise ValueError(f"No pin for {package} in {source}")
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return blocks[0] + "".join(requirements)
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def main() -> None:
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"""Write the selected export to the installer's scratch directory."""
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parser = argparse.ArgumentParser(description=__doc__)
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parser.add_argument("source", type=Path)
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parser.add_argument("destination", type=Path)
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parser.add_argument("--package")
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args = parser.parse_args()
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try:
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text = select_requirements(args.source, args.package)
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except (OSError, ValueError) as error:
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parser.exit(1, f"Cannot install pinned dependencies: {error}\n")
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args.destination.write_text(text, encoding="utf-8")
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if __name__ == "__main__":
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main()
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