Eidrion / tools /extract_research.py
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Eidrion 1.0.0-hf.1: verified release batch 2/3
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#!/usr/bin/env python3
"""Extract the unchanged original main research archive into a fresh folder."""
from __future__ import annotations
import argparse
from pathlib import Path, PurePosixPath
import stat
import sys
import zipfile
from verify_release import verify
def main():
root = Path(__file__).resolve().parents[1]
parser = argparse.ArgumentParser(description=__doc__)
parser.add_argument('--output', type=Path, default=root / 'work')
args = parser.parse_args()
try:
verify(root)
output = args.output.resolve()
if output.exists():
raise ValueError('Output must be a fresh, nonexistent directory')
archive = root / 'archives/Eidrion_v1.0.0_Research_Package.zip'
with zipfile.ZipFile(archive) as z:
for item in z.infolist():
p = PurePosixPath(item.filename)
if (p.is_absolute() or '..' in p.parts or '\\' in item.filename or ':' in item.filename
or not p.parts or p.parts[0] != 'Eidrion_v1.0.0'
or stat.S_ISLNK(item.external_attr >> 16)):
raise ValueError(f'Unsafe archive member: {item.filename}')
output.mkdir(parents=True)
z.extractall(output)
print(f'Extracted main research package: {output / "Eidrion_v1.0.0"}')
print('The four large raw-evidence companions are not included.')
return 0
except (OSError, ValueError, zipfile.BadZipFile) as exc:
print(f'Extraction failed: {exc}', file=sys.stderr)
return 1
if __name__ == '__main__':
sys.exit(main())