feat: add ability to provide a type name to enum when using from_enum

Author: Thomas Leonard

graphene/types/enum.py

@@ -52,15 +52,18 @@ def __call__(cls, *args, **kwargs):  # noqa: N805
         return super(EnumMeta, cls).__call__(*args, **kwargs)
         # return cls._meta.enum(*args, **kwargs)
 
-    def from_enum(cls, enum, description=None, deprecation_reason=None):  # noqa: N805
+    def from_enum(
+        cls, enum, name=None, description=None, deprecation_reason=None
+    ):  # noqa: N805
+        name = name or enum.__name__
         description = description or enum.__doc__
         meta_dict = {
             "enum": enum,
             "description": description,
             "deprecation_reason": deprecation_reason,
         }
         meta_class = type("Meta", (object,), meta_dict)
-        return type(meta_class.enum.__name__, (Enum,), {"Meta": meta_class})
+        return type(name, (Enum,), {"Meta": meta_class})
 
 
 class Enum(UnmountedType, BaseType, metaclass=EnumMeta):

graphene/types/tests/test_enum.py

@@ -328,6 +328,52 @@ def resolve_color_by_name(_, info):
     assert results.data["colorByName"] == Color.RED.name
 
 
+def test_enum_with_name():
+    from enum import Enum as PyEnum
+
+    class Color(PyEnum):
+        RED = 1
+        YELLOW = 2
+        BLUE = 3
+
+    GColor = Enum.from_enum(Color, description="original colors")
+    UniqueGColor = Enum.from_enum(
+        Color, name="UniqueColor", description="unique colors"
+    )
+
+    class Query(ObjectType):
+        color = GColor(required=True)
+        unique_color = UniqueGColor(required=True)
+
+    schema = Schema(query=Query)
+
+    assert (
+        str(schema).strip()
+        == dedent(
+            '''
+            type Query {
+              color: Color!
+              uniqueColor: UniqueColor!
+            }
+
+            """original colors"""
+            enum Color {
+              RED
+              YELLOW
+              BLUE
+            }
+
+            """unique colors"""
+            enum UniqueColor {
+              RED
+              YELLOW
+              BLUE
+            }
+            '''
+        ).strip()
+    )
+
+
 def test_enum_resolver_invalid():
     from enum import Enum as PyEnum