fixes/updates
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1d720b6577
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8c42145e44
@ -235,8 +235,12 @@ class Library(Mapping[str, 'Pattern'], metaclass=ABCMeta):
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if target not in flattened:
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flatten_single(target)
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if flattened[target] is None:
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target_pat = flattened[target]
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if target_pat is None:
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raise PatternError(f'Circular reference in {name} to {target}')
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if target_pat.is_empty() # avoid some extra allocations
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continue
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p = ref.as_pattern(pattern=flattened[target])
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if not flatten_ports:
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@ -613,8 +617,8 @@ class MutableLibrary(Library, MutableMapping[str, 'Pattern'], metaclass=ABCMeta)
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raise LibraryError('Received a non-Tree library containing multiple cells')
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name = next(iter(other))
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self.add(other)
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return name
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rename_map = self.add(other)
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return rename_map.get(name, name)
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def dedup(
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self: ML,
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@ -521,6 +521,7 @@ class Pattern(PortList, AnnotatableImpl, Mirrorable):
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def is_empty(self) -> bool:
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"""
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# TODO is_empty doesn't include ports... maybe there should be an equivalent?
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Returns:
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True if the pattern is contains no shapes, labels, or refs.
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"""
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@ -575,6 +576,7 @@ class Pattern(PortList, AnnotatableImpl, Mirrorable):
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"""
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flattened: Dict[Optional[str], Optional[P]] = {}
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# TODO both Library and Pattern have flatten()... pattern is in-place?
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def flatten_single(name: Optional[str]) -> None:
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if name is None:
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pat = self
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@ -589,8 +591,12 @@ class Pattern(PortList, AnnotatableImpl, Mirrorable):
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if target not in flattened:
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flatten_single(target)
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if flattened[target] is None:
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target_pat = flattened[target]
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if target_pat is None:
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raise PatternError(f'Circular reference in {name} to {target}')
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if target_pat.is_empty() # avoid some extra allocations
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continue
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p = ref.as_pattern(pattern=flattened[target])
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if not flatten_ports:
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@ -200,6 +200,9 @@ class Ref(
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return None
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if library is not None and self.target not in library:
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raise PatternError(f'get_bounds() called on dangling reference to "{self.target}"')
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if pattern is not None and pattern.is_empty():
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# no need to run as_pattern()
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return None
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return self.as_pattern(pattern=pattern, library=library).get_bounds(library)
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def __repr__(self) -> str:
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