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[Port / PortList] raise PortError on missing port name

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This commit is contained in:
Jan Petykiewicz 2026-03-30 23:30:03 -07:00
commit ffbe15c465
2 changed files with 49 additions and 0 deletions
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11
masque/ports.py
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@ -328,6 +328,9 @@ class PortList(metaclass=ABCMeta):
duplicates = (set(self.ports.keys()) - set(mapping.keys())) & set(mapping.values())
if duplicates:
raise PortError(f'Unrenamed ports would be overwritten: {duplicates}')
missing = set(mapping) - set(self.ports)
if missing:
raise PortError(f'Ports to rename were not found: {missing}')
for kk, vv in mapping.items():
if vv is None or vv != kk:
@ -395,6 +398,14 @@ class PortList(metaclass=ABCMeta):
Raises:
`PortError` if the ports are not properly aligned.
"""
if not connections:
raise PortError('Must provide at least one port connection')
missing_a = set(connections) - set(self.ports)
if missing_a:
raise PortError(f'Connection source ports were not found: {missing_a}')
missing_b = set(connections.values()) - set(self.ports)
if missing_b:
raise PortError(f'Connection destination ports were not found: {missing_b}')
a_names, b_names = list(zip(*connections.items(), strict=True))
a_ports = [self.ports[pp] for pp in a_names]
b_ports = [self.ports[pp] for pp in b_names]