Avoid Graphviz error when hiding all pins (#375)

Fixes #257
2024-06-05 17:59:41 +02:00 · 2024-06-05 17:59:41 +02:00 · 6488eb582b
commit 6488eb582b
parent 668ba72975
1 changed files with 3 additions and 0 deletions
--- a/src/wireviz/Harness.py
+++ b/src/wireviz/Harness.py
@ -253,6 +253,9 @@ class Harness:

                pinhtml.append("  </table>")

+                if len(pinhtml) == 2:  # Table start and end with no rows between?
+                    pinhtml = ["<!-- all pins hidden -->"]  # Avoid Graphviz error
+
                html = [
                    row.replace("<!-- connector table -->", "\n".join(pinhtml))
                    for row in html