khodowany
53 lines
2.2 KiB
Python
53 lines
2.2 KiB
Python
#!/usr/bin/env python3
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import argparse
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import hashlib
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from pathlib import Path
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import platform
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import subprocess
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import tempfile
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import urllib.request
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VERSION = '4.7.4.260706075'
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SHA256 = {
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'x86_64': '9233ed1b87d3e6b45722278f3c286dcd41e83da778bd0f80a1dd04949696ad93',
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'aarch64': '162ae55b317660f196b2e73d566bdb45c1e990ed4cc140709d25d97b9ef366b0',
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}
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def install(destination: Path) -> Path:
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architecture = platform.machine()
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if architecture not in SHA256:
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raise RuntimeError('the pinned engraver requires an x86_64 or aarch64 Linux build host')
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destination = destination.resolve()
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executable = destination / 'squashfs-root' / 'AppRun'
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marker = destination / 'sha256'
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if executable.is_file() and marker.is_file() and marker.read_text().strip() == SHA256[architecture]:
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return executable
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if destination.exists() and any(destination.iterdir()):
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raise RuntimeError(f'{destination} contains a different or incomplete installation; choose an empty directory')
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destination.mkdir(parents=True, exist_ok=True)
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name = f'MuseScore-Studio-{VERSION}-{architecture}.AppImage'
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url = f'https://github.com/musescore/MuseScore/releases/download/v4.7.4/{name}'
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with tempfile.TemporaryDirectory(prefix='vamp-musescore-download-') as temporary:
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archive = Path(temporary) / name
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digest = hashlib.sha256()
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with urllib.request.urlopen(url, timeout=120) as response, archive.open('wb') as output:
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while chunk := response.read(1024 * 1024):
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digest.update(chunk)
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output.write(chunk)
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if digest.hexdigest() != SHA256[architecture]:
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raise RuntimeError('MuseScore AppImage checksum mismatch')
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archive.chmod(0o755)
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subprocess.run([str(archive), '--appimage-extract'], cwd=destination, check=True, stdout=subprocess.DEVNULL)
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if not executable.is_file():
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raise RuntimeError('MuseScore AppImage does not contain AppRun')
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marker.write_text(SHA256[architecture] + '\n')
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return executable
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def main() -> None:
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parser = argparse.ArgumentParser(description='Install the pinned build-only MuseScore engraver without FUSE.')
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parser.add_argument('destination', type=Path)
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print(install(parser.parse_args().destination))
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if __name__ == '__main__':
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main()
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