| """Create a source/evidence distribution with an internal SHA-256 inventory.""" |
| import argparse,hashlib,zipfile |
| from pathlib import Path |
| p=argparse.ArgumentParser();p.add_argument('output',type=Path);a=p.parse_args() |
| root=Path(__file__).resolve().parents[1] |
| excluded={'__pycache__','.pytest_cache','build','.git','.venv'} |
| files=[f for f in root.rglob('*') if f.is_file() and not any(x in excluded for x in f.relative_to(root).parts) |
| and f.suffix not in {'.pyc','.pyo'} and f.name!='SHA256SUMS.txt' and f.resolve()!=a.output.resolve()] |
| files=sorted(files,key=lambda f:f.relative_to(root).as_posix()) |
| def digest(f): |
| h=hashlib.sha256() |
| with f.open('rb') as stream: |
| for b in iter(lambda:stream.read(1<<20),b''):h.update(b) |
| return h.hexdigest() |
| manifest=root/'SHA256SUMS.txt' |
| manifest.write_text(''.join(digest(f)+' '+f.relative_to(root).as_posix()+'\n' for f in files)) |
| files.append(manifest);a.output.parent.mkdir(parents=True,exist_ok=True) |
| with zipfile.ZipFile(a.output,'w',compression=zipfile.ZIP_DEFLATED,compresslevel=7) as z: |
| for f in files: |
| name=root.name+'/'+f.relative_to(root).as_posix() |
| info=zipfile.ZipInfo(name,date_time=(2026,10,10,0,0,0));info.compress_type=zipfile.ZIP_DEFLATED |
| info.external_attr=(0o100644<<16) |
| z.writestr(info,f.read_bytes(),compress_type=zipfile.ZIP_DEFLATED,compresslevel=7) |
| print('Archive',a.output,'files',len(files),'payload hashes',len(files)-1,'bytes',a.output.stat().st_size) |
|
|
