[PortList] add_port_pair requires unique port names

2026-03-30 23:33:33 -07:00 · 2026-03-30 23:33:33 -07:00 · d3be6aeba3
commit d3be6aeba3
parent ffbe15c465
2 changed files with 44 additions and 0 deletions
--- a/masque/ports.py
+++ b/masque/ports.py
@ -368,6 +368,8 @@ class PortList(metaclass=ABCMeta):
        Returns:
            self
        """
+        if names[0] == names[1]:
+            raise PortError(f'Port names must be distinct: {names[0]!r}')
        new_ports = {
            names[0]: Port(offset, rotation=rotation, ptype=ptype),
            names[1]: Port(offset, rotation=rotation + pi, ptype=ptype),