fix: Avoid loosing type hints because of decorators (#379)

Co-authored-by: Diwank Singh Tomer <[email protected]>

sdks/python/julep/managers/utils.py

@@ -2,9 +2,14 @@
 from functools import wraps
 from typing import Callable
 from uuid import UUID
+from typing_extensions import ParamSpec
+from pydantic.main import Model
 from ..api.types import ResourceCreatedResponse
 
 
+P = ParamSpec("P")
+
+
 class NotSet:
     pass
 
@@ -33,19 +38,20 @@ def is_valid_uuid4(uuid_to_test: str) -> bool:
     return True
 
 
-def rewrap_in_class(cls):
-    def decorator(func: Callable[..., ResourceCreatedResponse]):
-        @wraps(func)
+def rewrap_in_class(cls: type[Model]):
+    def decorator(func: Callable[P, ResourceCreatedResponse]):
         # This wrapper is used for asynchronous functions to ensure they are properly awaited and their results are processed by `cls.construct`.
+        @wraps(func)
         async def async_wrapper(*args, **kwargs):
             result = await func(*args, **kwargs)
-            return cls.construct(**kwargs, **result.dict())
+            return cls.model_construct(**kwargs, **result.dict())
 
         # This wrapper handles synchronous functions, directly calling them and processing their results with `cls.construct`.
+        @wraps(func)
         def sync_wrapper(*args, **kwargs):
             # Logging at this point might be useful for debugging, but should use a proper logging framework instead of print statements for production code.
             result = func(*args, **kwargs)
-            return cls.construct(**kwargs, **result.dict())
+            return cls.model_construct(**kwargs, **result.dict())
 
         return async_wrapper if iscoroutinefunction(func) else sync_wrapper