feat: reuse pydantic v2 TypeAdapter instance (#284)

Co-authored-by: Pavel Kirilin <[email protected]>
taskiq-python · Feb 5, 2024 · 74467d0 · 74467d0
1 parent d708468
commit 74467d0
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/taskiq/compat.py b/taskiq/compat.py
@@ -1,4 +1,5 @@
 # flake8: noqa
+from functools import lru_cache
 from typing import Any, Dict, Optional, Type, TypeVar, Union
 
 import pydantic
@@ -13,8 +14,12 @@
 if IS_PYDANTIC2:
     T = TypeVar("T")
 
+    @lru_cache()
+    def create_type_adapter(annot: T) -> pydantic.TypeAdapter[T]:
+        return pydantic.TypeAdapter(annot)
+
     def parse_obj_as(annot: T, obj: Any) -> T:
-        return pydantic.TypeAdapter(annot).validate_python(obj)
+        return create_type_adapter(annot).validate_python(obj)
 
     def model_validate(
         model_class: Type[Model],