33 lines
1.2 KiB
Python
33 lines
1.2 KiB
Python
# Copyright (c) Microsoft Corporation.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import inspect
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import sys
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from typing import Any, Callable
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if sys.version_info < (3, 14):
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def signature(fn: Callable[..., Any]) -> inspect.Signature:
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return inspect.signature(fn)
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else:
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# PEP 649 made annotations lazily evaluated, and inspect.signature()
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# evaluates them eagerly by default. Handlers annotated with names that
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# only exist under `if TYPE_CHECKING:` would raise NameError while all we
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# need is the parameter list, so ask for unresolved forward references.
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from annotationlib import Format
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def signature(fn: Callable[..., Any]) -> inspect.Signature:
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return inspect.signature(fn, annotation_format=Format.FORWARDREF)
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