Fix Literal Typeguards

Yobmod · Yobmod · commit 1bcccd55e78d · 2021-07-06T15:01:15.000+01:00
diff --git a/git/diff.py b/git/diff.py
@@ -28,7 +28,7 @@
 
 
 def is_change_type(inp: str) -> TypeGuard[Lit_change_type]:
-    return inp in Lit_change_type.__args__  # type: ignore
+    return inp in ('A', 'D', 'M', 'R', 'T')
 
 # ------------------------------------------------------------------------
 
diff --git a/git/types.py b/git/types.py
@@ -38,6 +38,10 @@
 Lit_config_levels = Literal['system', 'global', 'user', 'repository']
 
 
+def is_config_level(inp: str) -> TypeGuard[Lit_config_levels]:
+    return inp in ('system', 'global', 'user', 'repository')
+
+
 class ConfigLevels_NT(NamedTuple):
     """NamedTuple of allowed CONFIG_LEVELS"""
     # works for pylance, but not mypy
@@ -51,10 +55,6 @@ class ConfigLevels_NT(NamedTuple):
 # Typing this as specific literals breaks for mypy
 
 
-def is_config_level(inp: str) -> TypeGuard[Lit_config_levels]:
-    return inp in Lit_config_levels.__args__  # type: ignore  # mypy lies about __args__
-
-
 def assert_never(inp: NoReturn, exc: Union[Exception, None] = None) -> NoReturn:
     if exc is None:
         assert False, f"An unhandled Literal ({inp}) in an if else chain was found"
