set typehint to type instead of Self for metaclass

Author: biggus-developerus

packer/pack_types/float_types.py

@@ -1,11 +1,10 @@
 __all__ = ("Float",)
 
 import struct
-from typing import Self
 
 
 class FloatMeta(type):
-    def __getitem__(cls, size: int) -> Self:
+    def __getitem__(cls, size: int) -> type:
         size_str = "f" if size == 4 else "d"
         return type(f"{size_str}{cls.__name__}", (cls,), {"_size": size, "_size_str": size_str})
 

packer/pack_types/int_types.py

@@ -3,17 +3,14 @@
     "UInt",
 )
 
-from typing import (
-    Literal,
-    Self,
-)
+from typing import Literal
 
 type INTS = Literal["L1", "L2", "L4", "L8", "B1", "B2", "B4", "B8"]
 
 
 class IntMeta(type):
-    def __getitem__(cls, size_and_order: INTS) -> Self:
-        order = "little" if size_and_order[0].lower() == "l" else "big"
+    def __getitem__(cls, size_and_order: INTS) -> type:
+        order: Literal["little", "big"] = "little" if size_and_order[0].lower() == "l" else "big"
         size = int(size_and_order[1:])
 
         return type(
@@ -24,7 +21,7 @@ def __getitem__(cls, size_and_order: INTS) -> Self:
 # TypeDescriptor
 class _Int(metaclass=IntMeta):
     _size: int = 4
-    _order: str = "little"
+    _order: Literal["little", "big"] = "little"
     _signed: bool = False
 
     @classmethod

packer/pack_types/size_defined_types.py

@@ -1,10 +1,8 @@
 __all__ = ("Sized",)
 
-from typing import Self
-
 
 class SizedMeta(type):
-    def __getitem__(cls, size: int) -> Self:
+    def __getitem__(cls, size: int) -> type:
         return type(f"SIZE{size}{cls.__name__}", (cls,), {"_size": size})
 
 
@@ -21,4 +19,4 @@ def unpack(cls, data: bytes) -> bytes:
         return data[: cls._size]
 
 
-class Sized(bytes, _Sized): ...
+class Sized(bytes, _Sized): ...  # type: ignore