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Fixed #807 - now supporting incremental connect and clear_connections in DRC/LVS

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Matthias Koefferlein
2021-05-24 21:56:57 +02:00
parent 58afc47071
commit 1c8442f485
10 changed files with 241 additions and 18 deletions
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testdata/python/dbLayoutToNetlist.py
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@@ -576,6 +576,54 @@ end;
self.assertEqual(str(a1_10.flatten() ^ pya.Region(ly_au.top_cell().begin_shapes_rec(ly_au.layer(101, 0)))), "")
self.assertEqual(str(a1_30.flatten() ^ pya.Region(ly_au.top_cell().begin_shapes_rec(ly_au.layer(102, 0)))), "")
# --- simple incremental antenna check with metal1 + metal2
l2n._destroy()
l2n = pya.LayoutToNetlist(dss)
l2n.register(rdiode, "diode")
l2n.register(rpoly, "poly")
l2n.register(rcont, "cont")
l2n.register(rmetal1, "metal1")
l2n.register(rvia1, "via1")
l2n.register(rmetal2, "metal2")
l2n.connect(rpoly)
l2n.connect(rcont)
l2n.connect(rmetal1)
l2n.connect(rmetal2)
l2n.connect(rpoly, rcont)
l2n.connect(rcont, rmetal1)
self.assertEqual(l2n.is_extracted(), False)
l2n.extract_netlist()
self.assertEqual(l2n.is_extracted(), True)
a1_3 = l2n.antenna_check(rpoly, rmetal1, 3)
a1_10 = l2n.antenna_check(rpoly, rmetal1, 10)
a1_30 = l2n.antenna_check(rpoly, rmetal1, 30)
# Note: flatten.merged performs some normalization
self.assertEqual(str(a1_3.flatten() ^ pya.Region(ly_au.top_cell().begin_shapes_rec(ly_au.layer(100, 0)))), "")
self.assertEqual(str(a1_10.flatten() ^ pya.Region(ly_au.top_cell().begin_shapes_rec(ly_au.layer(101, 0)))), "")
self.assertEqual(str(a1_30.flatten() ^ pya.Region(ly_au.top_cell().begin_shapes_rec(ly_au.layer(102, 0)))), "")
l2n.connect(rmetal1, rvia1)
l2n.connect(rvia1, rmetal2)
self.assertEqual(l2n.is_extracted(), False)
l2n.extract_netlist()
self.assertEqual(l2n.is_extracted(), True)
a2_5 = l2n.antenna_check(rpoly, rmetal2, 5)
a2_10 = l2n.antenna_check(rpoly, rmetal2, 10)
a2_17 = l2n.antenna_check(rpoly, rmetal2, 17)
# Note: flatten.merged performs some normalization
self.assertEqual(str(a2_5.flatten() ^ pya.Region(ly_au.top_cell().begin_shapes_rec(ly_au.layer(200, 0)))), "")
self.assertEqual(str(a2_10.flatten() ^ pya.Region(ly_au.top_cell().begin_shapes_rec(ly_au.layer(201, 0)))), "")
self.assertEqual(str(a2_17.flatten() ^ pya.Region(ly_au.top_cell().begin_shapes_rec(ly_au.layer(202, 0)))), "")
# --- simple antenna check with metal2
l2n._destroy()