Merge branch 'main' into gdsfactory8

gplugins/klayout/netlist_graph.py

@@ -91,6 +91,10 @@ def netlist_to_networkx(
                 G.add_edge(device_name, net_name)
                 all_used_nets.add(net_name)
 
+    # Easier to set different colors for nets
+    for net in all_used_nets:
+        G.nodes[net]["is_net"] = True
+
     if not include_labels:
         for node in all_used_nets:
             connections = list(G.neighbors(node))

gplugins/klayout/plot_nets.py

@@ -76,15 +76,21 @@ def _removal_condition(node: str, degree: int) -> bool:
         net.from_nx(G_connectivity)
         net.show("connectivity.html")
     else:
+        color_nets = [
+            "lightblue"
+            if G_connectivity.nodes[node].get("is_net", False)
+            else "lightpink"
+            for node in G_connectivity.nodes()
+        ]
+
         fig = plt.figure(figsize=(8, 6))
         nx.draw(
             G_connectivity,
             with_labels=True,
             node_size=2000,
-            node_color="lightpink",
+            node_color=color_nets,
             font_size=12,
         )
-        plt.title("Connectivity")
         return fig