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[Library.flatten] add dangling_ok param

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jan 2025-11-19 23:08:17 -08:00 • committed by Jan Petykiewicz
commit c1c83afc98
2 changed files with 13 additions and 5 deletions
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10
masque/library.py
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@ -264,6 +264,7 @@ class ILibraryView(Mapping[str, 'Pattern'], metaclass=ABCMeta):
self,
tops: str | Sequence[str],
flatten_ports: bool = False,
dangling_ok: bool = False,
) -> dict[str, 'Pattern']:
"""
Returns copies of all `tops` patterns with all refs
@ -276,6 +277,9 @@ class ILibraryView(Mapping[str, 'Pattern'], metaclass=ABCMeta):
tops: The pattern(s) to flattern.
flatten_ports: If `True`, keep ports from any referenced
patterns; otherwise discard them.
dangling_ok: If `True`, no error will be thrown if any
ref points to a name which is not present in the library.
Default False.
Returns:
{name: flat_pattern} mapping for all flattened patterns.
@ -292,6 +296,8 @@ class ILibraryView(Mapping[str, 'Pattern'], metaclass=ABCMeta):
for target in pat.refs:
if target is None:
continue
if dangling_ok and target not in self:
continue
if target not in flattened:
flatten_single(target)
@ -307,7 +313,9 @@ class ILibraryView(Mapping[str, 'Pattern'], metaclass=ABCMeta):
p.ports.clear()
pat.append(p)
pat.refs.clear()
for target in set(pat.refs.keys()) & set(self.keys()):
del pat.refs[target]
flattened[name] = pat
for top in tops: