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Jan Petykiewicz 2023-01-25 23:19:25 -08:00 • committed by jan
commit 5452bc5608
11 changed files with 78 additions and 31 deletions
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6
masque/library.py
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@ -5,7 +5,7 @@ Library classes for managing unique name->pattern mappings and
# TODO documentn all library classes
# TODO toplevel documentation of library, classes, and abstracts
"""
from typing import List, Dict, Callable, TypeVar, Generic, Type, TYPE_CHECKING
from typing import List, Dict, Callable, TypeVar, Generic, Type, TYPE_CHECKING, cast
from typing import Tuple, Union, Iterator, Mapping, MutableMapping, Set, Optional, Sequence
import logging
import base64
@ -396,14 +396,14 @@ class Library(Mapping[str, 'Pattern'], metaclass=ABCMeta):
if pattern is not original_pattern:
name = hierarchy[-1]
if not isintance(self, MutableLibrary):
if not isinstance(self, MutableLibrary):
raise LibraryError('visit_* functions returned a new `Pattern` object'
' but the library is immutable')
if name is None:
raise LibraryError('visit_* functions returned a new `Pattern` object'
' but no top-level name was provided in `hierarchy`')
self.set_const(name, pattern)
cast(MutableLibrary, self).set_const(name, pattern)
return self