Move copy_types_hints from utils to decorators

socnet/core/decorators.py

@@ -3,13 +3,23 @@
 import functools
 from typing import Callable
 
-from typing_extensions import ParamSpec, TypeVar
+from typing_extensions import Any, ParamSpec, TypeVar
 
 T = TypeVar("T")
 T2 = TypeVar("T2")
 P = ParamSpec("P")
 
 
+def copy_type_hints(
+    _f: Callable[P, Any],
+    /,
+) -> Callable[[Callable[..., T]], Callable[P, T]]:
+    def wrapper(func: Callable[..., T]) -> Callable[P, T]:
+        return func
+
+    return wrapper
+
+
 def process_returned_value(
     processor: Callable[[T], T2],
 ) -> Callable[[Callable[P, T]], Callable[P, T2]]:

socnet/core/fields.py

@@ -20,7 +20,6 @@
 from socnet_rs import normalize_str
 
 from . import decorators
-from .utils import copy_type_hints
 
 T_contra = TypeVar("T_contra", contravariant=True)
 T_co = TypeVar("T_co", covariant=True)
@@ -44,7 +43,7 @@ def create_normalized_str_field(field: Type[TField]) -> Type[TField]:
 
 
 class NullAutoNowDateTimeField(DateTimeField[T_contra, T_co]):
-    @copy_type_hints(DateTimeField.__init__)
+    @decorators.copy_type_hints(DateTimeField.__init__)
     def __init__(self, **kwargs: Any) -> None:
         kwargs["auto_now"] = True
         kwargs["auto_now_add"] = False

socnet/core/utils.py

@@ -2,15 +2,12 @@
 
 import datetime
 import time
-from typing import Callable, Iterator, Optional, Tuple, Union
+from typing import Iterator, Optional, Tuple, Union
 
 from django.core.paginator import Page, Paginator
 from django.db.models import Model, QuerySet
 from django.http import HttpRequest
-from typing_extensions import Any, ParamSpec, TypeVar
-
-T = TypeVar("T")
-P = ParamSpec("P")
+from typing_extensions import TypeVar
 
 TModel = TypeVar("TModel", bound=Model)
 
@@ -19,16 +16,6 @@ def dt_to_epoch(dt: datetime.date) -> int:
     return int(time.mktime(dt.timetuple()))
 
 
-def copy_type_hints(
-    _f: Callable[P, Any],
-    /,
-) -> Callable[[Callable[..., T]], Callable[P, T]]:
-    def wrapper(func: Callable[..., T]) -> Callable[P, T]:
-        return func
-
-    return wrapper
-
-
 def paginate(
     request: HttpRequest, object_list: QuerySet[TModel], *, per_page: int
 ) -> Tuple[Page[TModel], Optional[Iterator[Union[str, int]]]]: