Fusion - the Fusion 360 Bridge

import json,sys,math
from pathlib import Path
from shapely.geometry import Point,LineString
from plan_priority import Geometry,ROOT,connect
src=json.loads((ROOT/'repair-02/candidate-plan.json').read_text());m=Geometry();seeds=[]
for name,y in [(f'IC1.{i}',10.35 if i%2==0 else 9.7) for i in range(10,16)]:
 p=m.pads[name];at=(p['at'][0],y);seeds.append((name,p['net'],p['at'],at))
keep=[];removed=[]
for r in src['routes']:
 hit=any(math.dist(v,at)<.405 for v in r['vias'] for _,_,_,at in seeds)
 for name,net,start,at in seeds:
  if r['net']==net:continue
  corridor=LineString([start,at]).buffer(.075+.106);disk=Point(at).buffer(.225+.106)
  for p in r['parts']:
   g=LineString(p['points']).buffer(p['width']/2)
   if g.intersects(disk) or p['layer']==1 and g.intersects(corridor):hit=True
  if any(Point(v).buffer(.225).intersects(corridor.union(disk)) for v in r['vias']):hit=True
 (removed if hit else keep).append(r)
for r in keep:m.add_route(r['net'],[(p['layer'],p['points'],p['width']) for p in r['parts']],r['vias'])
for name,net,start,at in seeds:
 assert m.clear([start,at],net,1,.13),(name,'trace')
 assert m.via_clear(at,net),(name,'via')
 m.add_route(net,[(1,[start,at],.13)],[at])
 # Route further connections from the newly created physical through-via.
 m.groups[net]=[{**p,'at':at,'layers':[1,2,15,16],'shape':Point(at).buffer(.225)} if p['name']==name else p for p in m.groups[net]]
out=ROOT/'repair-04';out.mkdir(exist_ok=False);(out/'removed.json').write_text(json.dumps(removed,indent=2));(out/'fanout.json').write_text(json.dumps(seeds,indent=2));print('Removed',len(removed),[r['net'] for r in removed],flush=True)
# Reuse the actual-copper component check from the prior repair tool.
s=(ROOT/'repair.py').read_text();a=s.index('def components');b=s.index('priority=',a);exec(s[a:b])
for net in sorted(m.groups,key=lambda n:({'ACDRV2':0,'!QON':1}.get(n,10),n)):
 pads=m.groups[net]
 if len(set(components(net)))==1:continue
 pairs=sorted([(math.dist(a['at'],b['at']),i,j) for i,a in enumerate(pads) for j,b in enumerate(pads[:i])])
 for _,i,j in pairs:
  c=components(net)
  if c[i]==c[j]:continue
  r=connect(m,pads[i],pads[j],net,.15,True);print(net,pads[i]['name'],pads[j]['name'],bool(r),flush=True)
  if r:m.add_route(net,*r)
  (out/'candidate-plan.json').write_text(json.dumps({'routes':m.routes,'status':'native validation pending'},indent=2));m.export(out/'bq25792-astra-candidate.brd')
print('Remaining',{n:len(set(components(n))) for n in m.groups if len(set(components(n)))>1},flush=True)