mirror of
https://github.com/ArchiveBox/ArchiveBox.git
synced 2026-04-03 22:37:53 +10:00
124 lines
3.5 KiB
Python
Executable File
124 lines
3.5 KiB
Python
Executable File
#!/usr/bin/env python3
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"""
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Validation hook for readability-extractor binary.
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Runs at crawl start to verify readability-extractor 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 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=5,
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)
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if result.returncode == 0 and result.stdout:
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first_line = result.stdout.strip().split('\n')[0]
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return first_line[:64]
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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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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_readability() -> dict | None:
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"""Find readability-extractor binary."""
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try:
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from abx_pkg import Binary, NpmProvider, EnvProvider
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class ReadabilityBinary(Binary):
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name: str = 'readability-extractor'
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binproviders_supported = [NpmProvider(), EnvProvider()]
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overrides: dict = {'npm': {'packages': ['github:ArchiveBox/readability-extractor']}}
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binary = ReadabilityBinary()
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loaded = binary.load()
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if loaded and loaded.abspath:
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return {
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'name': 'readability-extractor',
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'abspath': str(loaded.abspath),
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'version': str(loaded.version) if loaded.version else None,
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'sha256': loaded.sha256 if hasattr(loaded, 'sha256') else None,
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'binprovider': loaded.binprovider.name if loaded.binprovider else 'env',
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}
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except ImportError:
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pass
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except Exception:
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pass
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# Fallback to shutil.which
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abspath = shutil.which('readability-extractor') or os.environ.get('READABILITY_BINARY', '')
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if abspath and Path(abspath).is_file():
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return {
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'name': 'readability-extractor',
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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': 'env',
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}
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return None
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def main():
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result = find_readability()
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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/READABILITY_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/READABILITY_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': 'readability-extractor',
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'bin_providers': 'npm,env',
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}))
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print(f"readability-extractor 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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