gffrt

venv/lib/python3.11/site-packages/playwright/_impl/_signature.py

@@ -0,0 +1,32 @@
+# Copyright (c) Microsoft Corporation.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import inspect
+import sys
+from typing import Any, Callable
+
+if sys.version_info < (3, 14):
+
+    def signature(fn: Callable[..., Any]) -> inspect.Signature:
+        return inspect.signature(fn)
+
+else:
+    # PEP 649 made annotations lazily evaluated, and inspect.signature()
+    # evaluates them eagerly by default. Handlers annotated with names that
+    # only exist under `if TYPE_CHECKING:` would raise NameError while all we
+    # need is the parameter list, so ask for unresolved forward references.
+    from annotationlib import Format
+
+    def signature(fn: Callable[..., Any]) -> inspect.Signature:
+        return inspect.signature(fn, annotation_format=Format.FORWARDREF)