from pathlib import Path
import FreeCAD as A, Part, json, os
p=Path(r'C:\projects\wheel\models\symmetric_corner_18_concept')
d=A.openDocument(str(p/'Assembly_对称角码装配_概念.FCStd')); d.recompute()
results=[]
for o in d.Objects:
 if not o.Name.startswith(('NewMotorCorner','NewMotorBase','NewSwitchBase','NewBeamBase')): continue
 shape=o.Shape; bb=shape.BoundBox; holes=[]
 for f in shape.Faces:
  s=f.Surface
  if not hasattr(s,'Radius') or abs(s.Radius-2.5)>1e-5: continue
  ax=s.Axis; c=s.Center
  if o.Name.startswith('NewMotorCorner'):
   coord='x' if abs(ax.z)>.9 else 'z'
  elif o.Name.startswith(('NewMotorBase','NewSwitchBase')):
   coord='y' if abs(ax.z)>.9 else 'z'
  else:
   coord='x' if abs(ax.z)>.9 else 'z'
  val=getattr(c,coord); vmin=getattr(bb,coord.upper()+'Min'); vmax=getattr(bb,coord.upper()+'Max')
  holes.append({'axis':[round(ax.x,3),round(ax.y,3),round(ax.z,3)],'end_distance':round(min(abs(val-vmin),abs(vmax-val)),5),'coord':coord})
 results.append({'name':o.Name,'holes':holes})
assert len(results)==12, len(results)
for item in results:
 assert len(item['holes'])==2, item
 assert all(abs(h['end_distance']-8)<0.001 for h in item['holes']),item
(p/'对称孔位验证.json').write_text(json.dumps(results,ensure_ascii=False,indent=2),encoding='utf8')
A.closeDocument(d.Name);os._exit(0)