Raise an exception if a layer is both a metal and a via

2022-03-30 23:57:31 -07:00 · 2022-03-30 23:57:31 -07:00 · 348e2f4ed1
commit 348e2f4ed1
parent 878a4c68a2
1 changed files with 3 additions and 1 deletions
--- a/snarl/utils.py
+++ b/snarl/utils.py
@ -14,6 +14,8 @@ def connectivity2layers(
        if via is not None:
            via_layers.add(via)

-    # TODO verify no overlap between metal and via layer specifications
+    both = metal_layers.intersection(via_layers)
+    if both:
+        raise Exception(f'The following layers are both vias and metals!? {both}')

    return metal_layers, via_layers