Fusion - the Fusion 360 Bridge

@@ -191,7 +191,7 @@ def pours(board):                         a-=shoelace([(float(v.get('x')),float(v.get('y'))) for v in h.findall('vertex')])                     filled+=a; islands+=1             out.append({'net':s.get('name'),'layer':int(p.get('layer','1')),'outline':outline,-                        'isolate':float(p.get('isolate','0')),'rank':int(p.get('rank','1')),+                        'isolate':float(p.get('isolate','0')),'rank':int(p.get('rank','1')),'width':float(p.get('width','0')),                         'filledMm2':round(filled,3),'islands':islands,'filled':fd is not None})     return out @@ -504,6 +504,45 @@ def sch_run(app, args):             'parts': after, 'added': [p for p in after if p not in before], 'nets': nets, 'commands': len(done)}  +def board_bom(board, args):+    """The BOM from the live board's own element attributes: one line per part number, and the+    JLCPCB form (Comment, Designator, Footprint, LCSC). Parts with no MPN (test pads) are listed+    as board-only, never dropped silently."""+    import csv, io+    rows = {}+    for e in board.iter('element'):+        a = {x.get('name'): (x.get('value') or '') for x in e.findall('attribute')}+        mpn = a.get('MPN', '')+        key = mpn or ('board-only:' + e.get('package', ''))+        r = rows.setdefault(key, {'designators': [], 'value': e.get('value', ''), 'package': e.get('package', ''),+                                 'mpn': mpn, 'manufacturer': a.get('MANUFACTURER', ''), 'mouser': a.get('MOUSER_PN', ''),+                                 'digikey': a.get('DIGIKEY_PN', ''), 'lcsc': a.get('LCSC_PN', '')})+        r['designators'].append(e.get('name')); r.setdefault('_values', set()).add(e.get('value', ''))+    for r in rows.values():+        # one value for the line only when every part on it agrees (contacts carry signal names)+        vals = r.pop('_values')+        r['value'] = vals.pop() if len(vals) == 1 and '' not in vals else (r['mpn'] or 'test point')+    def nat(n): return [int(t) if t.isdigit() else t for t in re.split(r'(\d+)', n)]+    lines = sorted(rows.values(), key=lambda r: nat(sorted(r['designators'], key=nat)[0]))+    for r in lines: r['designators'] = sorted(r['designators'], key=nat); r['quantity'] = len(r['designators'])+    out = io.StringIO(); w = csv.writer(out)+    w.writerow(['Designators', 'Quantity', 'Value', 'Package', 'MPN', 'Manufacturer', 'Mouser', 'DigiKey', 'LCSC'])+    for r in lines: w.writerow([' '.join(r['designators']), r['quantity'], r['value'], r['package'], r['mpn'] or '(board only)', r['manufacturer'], r['mouser'], r['digikey'], r['lcsc']])+    jo = io.StringIO(); jw = csv.writer(jo)+    jw.writerow(['Comment', 'Designator', 'Footprint', 'LCSC'])+    for r in lines:+        if r['mpn']: jw.writerow([r['value'] or r['mpn'], ','.join(r['designators']), r['package'], r['lcsc']])+    files = {}+    d = args.get('outputDir')+    if d:+        Path(d).mkdir(parents=True, exist_ok=True)+        for name, text in (('bom.csv', out.getvalue()), ('bom-jlcpcb.csv', jo.getvalue())):+            (Path(d) / name).write_text(text, encoding='utf-8'); files[name] = (Path(d) / name).as_posix()+    missing = {k: [' '.join(r['designators']) for r in lines if r['mpn'] and not r[k]] for k in ('mouser', 'digikey', 'lcsc')}+    return {'lines': lines, 'csv': out.getvalue(), 'jlcpcbCsv': jo.getvalue(), 'files': files,+            'boardOnly': [' '.join(r['designators']) for r in lines if not r['mpn']], 'missingPartNumbers': missing}++ def handle(app,args,action):     attempted=False; commands=[]     try:@@ -511,6 +550,7 @@ def handle(app,args,action):         root,board,meta=snapshot(app,args)         if action=='routing_state': return {'success':True,**state(board,meta)}         if action=='pour_state': return {'success':True,'mutated':False,**meta,**pour_state(board)}+        if action=='board_bom': return {'success':True,'mutated':False,**meta,**board_bom(board,args)}         # The live board as EAGLE XML (Fusion's own fills included), for analysis offline.         if action=='board_source': return {'success':True,'mutated':False,**meta,'source':ET.tostring(root,encoding='unicode')}         if args.get('boardId')!=meta['boardId']: fail('board_mismatch','Mutations/checks require boardId from fusion_routing_state')@@ -541,6 +581,40 @@ def handle(app,args,action):                 if not g or abs(g['x']-p['x'])>0.001 or abs(g['y']-p['y'])>0.001 or g['rot'].lstrip('S')!=r: bad.append({'ref':p['ref'],'want':[p['x'],p['y'],r],'got':g})             return {'success':not bad,'mutated':True,'verified':not bad,'errorCode':None if not bad else 'readback_mismatch',                     'mismatched':bad,'moved':done,'commands':commands,**state(after,after_meta)}+        if action=='change_pours':+            # change an existing pour's pen width and isolation in place (the refinement a field+            # solve asks for: a throat the pen was too wide to fill). Each CHANGE picks the pour on+            # the midpoint of its longest outline edge; the readback proves that pour changed and+            # no other copper did.+            want=args.get('pours')+            if not isinstance(want,list) or not want: fail('invalid_args','pours must be a non-empty list of {net, layer, points, width?, isolate?}')+            have=pours(board); before_cu=copper_signature(objects(board)[2]+objects(board)[3])+            targets=[]+            for q in want:+                pts=[[float(a),float(b)] for a,b in q.get('points',[])]+                hit=next((e for e in have if e['net']==q.get('net') and e['layer']==int(q.get('layer',1)) and same_outline(e['outline'],pts)),None)+                if not hit: fail('unknown_pour','No %s pour on layer %s with that outline'%(q.get('net'),q.get('layer')))+                ol=hit['outline']; edges=list(zip(ol,ol[1:]+ol[:1]))+                a,b=max(edges,key=lambda e:math.hypot(e[1][0]-e[0][0],e[1][1]-e[0][1]))+                at=((a[0]+b[0])/2,(a[1]+b[1])/2)+                cmd='LAYER %d;'%hit['layer']+                if q.get('width') is not None: cmd+=' CHANGE WIDTH %.6fmm (%.6fmm %.6fmm);'%(number(q['width'],True),*at)+                if q.get('isolate') is not None: cmd+=' CHANGE ISOLATE %.6fmm (%.6fmm %.6fmm);'%(number(q['isolate']),*at)+                attempted=True; app.executeTextCommand('Electron.run '+cmd); commands.append(cmd); targets.append((q,hit))+            app.executeTextCommand('Electron.run RATSNEST;')+            app.executeTextCommand('Electron.ImmediateRepaint /full')+            _,after,after_meta=snapshot(app,args); now=pours(after)+            bad=[]; changes=[]+            for q,hit in targets:+                n=next((e for e in now if e['net']==hit['net'] and e['layer']==hit['layer'] and same_outline(e['outline'],hit['outline'])),None)+                ok=n is not None and (q.get('width') is None or abs(n['width']-q['width'])<1e-4) and (q.get('isolate') is None or abs(n['isolate']-q['isolate'])<1e-4)+                changes.append({'net':hit['net'],'layer':hit['layer'],'width':[hit['width'],n and n['width']],'isolate':[hit['isolate'],n and n['isolate']],'filledMm2':[hit['filledMm2'],n and n['filledMm2']]})+                if not ok: bad.append(hit['net'])+            other=copper_signature(objects(after)[2]+objects(after)[3])!=before_cu+            okall=not bad and not other+            return {'success':okall,'mutated':True,'verified':okall,'errorCode':None if okall else 'readback_mismatch',+                    'error':None if okall else ('tracks or vias changed' if other else 'pours not changed: %s'%bad),+                    'changes':changes,'commands':commands,**pour_state(after),**state(after,after_meta)}         if action=='ripup_nets':             # take a net's tracks and vias up so it can be routed again (wider, or another way);             # its pours stay. One RIPUP per net, each its own undo step.