mirror of
https://github.com/ArchiveBox/ArchiveBox.git
synced 2026-04-04 23:07:56 +10:00
130 lines
3.5 KiB
Python
130 lines
3.5 KiB
Python
#!/usr/bin/env python3
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"""
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Validation hook for single-file binary.
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Runs at crawl start to verify single-file (npm package) is available.
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Outputs JSONL for InstalledBinary and Machine config updates.
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"""
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import os
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import sys
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import json
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import shutil
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import hashlib
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import subprocess
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from pathlib import Path
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def get_binary_version(abspath: str) -> str | None:
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"""Get version string from single-file binary."""
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try:
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result = subprocess.run(
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[abspath, '--version'],
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capture_output=True,
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text=True,
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timeout=10,
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)
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if result.returncode == 0 and result.stdout:
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return result.stdout.strip().split('\n')[0][:32]
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except Exception:
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pass
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return None
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def get_binary_hash(abspath: str) -> str | None:
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"""Get SHA256 hash of binary."""
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try:
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# For scripts, hash the script content
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with open(abspath, 'rb') as f:
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return hashlib.sha256(f.read()).hexdigest()
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except Exception:
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return None
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def find_singlefile() -> dict | None:
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"""Find single-file binary."""
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# Check env var first
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env_path = os.environ.get('SINGLEFILE_BINARY', '')
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if env_path and Path(env_path).is_file():
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return {
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'name': 'single-file',
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'abspath': env_path,
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'version': get_binary_version(env_path),
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'sha256': get_binary_hash(env_path),
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'binprovider': 'env',
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}
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# Try shutil.which
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for name in ['single-file', 'singlefile']:
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abspath = shutil.which(name)
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if abspath:
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return {
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'name': 'single-file',
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'abspath': abspath,
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'version': get_binary_version(abspath),
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'sha256': get_binary_hash(abspath),
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'binprovider': 'npm',
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}
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# Check common npm paths
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npm_paths = [
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Path.home() / '.npm-global/bin/single-file',
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Path.home() / 'node_modules/.bin/single-file',
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Path('/usr/local/bin/single-file'),
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Path('/usr/local/lib/node_modules/.bin/single-file'),
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]
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for path in npm_paths:
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if path.is_file():
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return {
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'name': 'single-file',
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'abspath': str(path),
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'version': get_binary_version(str(path)),
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'sha256': get_binary_hash(str(path)),
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'binprovider': 'npm',
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}
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return None
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def main():
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result = find_singlefile()
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if result and result.get('abspath'):
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print(json.dumps({
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'type': 'InstalledBinary',
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'name': result['name'],
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'abspath': result['abspath'],
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'version': result['version'],
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'sha256': result['sha256'],
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'binprovider': result['binprovider'],
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}))
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print(json.dumps({
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'type': 'Machine',
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'_method': 'update',
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'key': 'config/SINGLEFILE_BINARY',
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'value': result['abspath'],
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}))
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if result['version']:
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print(json.dumps({
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'type': 'Machine',
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'_method': 'update',
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'key': 'config/SINGLEFILE_VERSION',
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'value': result['version'],
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}))
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sys.exit(0)
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else:
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print(json.dumps({
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'type': 'Dependency',
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'bin_name': 'single-file',
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'bin_providers': 'npm,env',
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}))
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print(f"single-file binary not found", file=sys.stderr)
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sys.exit(1)
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if __name__ == '__main__':
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main()
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