| """Stream-inspect user-supplied design files without extracting a large mesh. |
| |
| Outputs metadata/hashes only; original images, PDFs and mesh licenses are not |
| assumed transferable, and this does not publish them. The procedural renderer |
| uses the proposal's nominal dimensions rather than copying the dense mesh. |
| """ |
| import argparse,hashlib,json,xml.sax,zipfile |
| from pathlib import Path |
|
|
| class Geometry(xml.sax.ContentHandler): |
| def __init__(self): |
| super().__init__();self.vertices=0;self.triangles=0;self.bounds=[[float('inf')]*3,[float('-inf')]*3];self.unit=None |
| def startElement(self,name,attrs): |
| if name=='model':self.unit=attrs.get('unit','millimeter') |
| if name=='triangle':self.triangles+=1 |
| if name=='vertex': |
| self.vertices+=1 |
| for i,key in enumerate('xyz'): |
| value=float(attrs[key]);self.bounds[0][i]=min(self.bounds[0][i],value);self.bounds[1][i]=max(self.bounds[1][i],value) |
|
|
| def inspect(root): |
| names=['Roboterkopf_Displaymontage.pdf','Roboterkopf_Explosionsansicht.svg', |
| 'Mini_Roboterkopf_Prototyp_Bauplan_Waveshare.pdf','Roboterkopf_Masszeichnung.svg', |
| 'cute+robot+3d+model.3mf','cute+robot+3d+model.zip','desk-robi.png'] |
| rows=[] |
| for name in names: |
| path=root/name;digest=hashlib.sha256() |
| with path.open('rb') as stream: |
| for block in iter(lambda:stream.read(1024*1024),b''):digest.update(block) |
| rows.append({'name':name,'bytes':path.stat().st_size,'sha256':digest.hexdigest()}) |
| geometry=Geometry();parser=xml.sax.make_parser();parser.setFeature(xml.sax.handler.feature_external_ges,False) |
| parser.setContentHandler(geometry) |
| with zipfile.ZipFile(root/'cute+robot+3d+model.3mf') as archive: |
| entry=archive.getinfo('3D/3dmodel.model') |
| if entry.file_size>256*1024*1024:raise ValueError('Mesh XML exceeds bounded inspection budget') |
| with archive.open(entry) as stream:parser.parse(stream) |
| return {'files':rows,'original_3mf':{'vertices':geometry.vertices,'triangles':geometry.triangles, |
| 'unit':geometry.unit,'raw_vertex_bounds_not_assembled_CAD':geometry.bounds}, |
| 'migration_json':'Cache-migration audit, not a robot design file; excluded from geometry.', |
| 'source_files_extracted':False,'source_files_published':False, |
| 'renderer':'Original compact procedural reconstruction; nominal design dimensions, not manufacturing CAD.'} |
|
|
| if __name__=='__main__': |
| p=argparse.ArgumentParser();p.add_argument('--directory',type=Path,default=Path('/mnt/nvme/robo-speaker-studies')) |
| result=inspect(p.parse_args().directory) |
| from speaker_v4.common import atomic |
| atomic(Path(__file__).parent/'design-inspection.json',result);print(json.dumps(result,indent=2)) |
|
|
