TypeAlias

Author: bdowning

sql_athame/dataclasses.py

@@ -13,16 +13,18 @@
     get_type_hints,
 )
 
+from typing_extensions import TypeAlias
+
 from .base import Fragment, sql
 
-Where = Union[Fragment, Iterable[Fragment]]
+Where: TypeAlias = Union[Fragment, Iterable[Fragment]]
 # KLUDGE to avoid a string argument being valid
-SequenceOfStrings = Union[list[str], tuple[str, ...]]
-FieldNames = SequenceOfStrings
-FieldNamesSet = Union[SequenceOfStrings, set[str]]
+SequenceOfStrings: TypeAlias = Union[list[str], tuple[str, ...]]
+FieldNames: TypeAlias = SequenceOfStrings
+FieldNamesSet: TypeAlias = Union[SequenceOfStrings, set[str]]
 
-Connection = Any
-Pool = Any
+Connection: TypeAlias = Any
+Pool: TypeAlias = Any
 
 
 @dataclass

sql_athame/types.py

@@ -1,6 +1,8 @@
 import dataclasses
 from typing import TYPE_CHECKING, Any, Union
 
+from typing_extensions import TypeAlias
+
 
 @dataclasses.dataclass(eq=False)
 class Placeholder:
@@ -15,8 +17,8 @@ class Slot:
     name: str
 
 
-Part = Union[str, Placeholder, Slot, "Fragment"]
-FlatPart = Union[str, Placeholder, Slot]
+Part: TypeAlias = Union[str, Placeholder, Slot, "Fragment"]
+FlatPart: TypeAlias = Union[str, Placeholder, Slot]
 
 if TYPE_CHECKING:
     from .base import Fragment