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[PortList] plugged() failure shouldn't dirty the ports

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This commit is contained in:
Jan Petykiewicz 2026-03-31 22:38:27 -07:00
commit 395ad4df9d
2 changed files with 26 additions and 1 deletions
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masque/ports.py
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@ -413,6 +413,10 @@ class PortList(metaclass=ABCMeta):
if missing_b:
raise PortError(f'Connection destination ports were not found: {missing_b}')
a_names, b_names = list(zip(*connections.items(), strict=True))
used_names = list(chain(a_names, b_names))
duplicate_names = {name for name in used_names if used_names.count(name) > 1}
if duplicate_names:
raise PortError(f'Each port may appear in at most one connection: {duplicate_names}')
a_ports = [self.ports[pp] for pp in a_names]
b_ports = [self.ports[pp] for pp in b_names]