feat: added object_type_name_prefix

graphene/types/schema.py

@@ -91,6 +91,7 @@ class TypeMap(dict):
         subscription=None,
         types=None,
         auto_camelcase=True,
+        object_type_name_prefix=None,
     ):
         assert_valid_root_type(query)
         assert_valid_root_type(mutation)
@@ -101,9 +102,18 @@ class TypeMap(dict):
             assert is_graphene_type(type_)
 
         self.auto_camelcase = auto_camelcase
+        self.object_type_name_prefix = object_type_name_prefix
 
         create_graphql_type = self.add_type
 
+        self.root_names = []
+        if query:
+            self.root_names.append(query._meta.name)
+        if mutation:
+            self.root_names.append(mutation._meta.name)
+        if subscription:
+            self.root_names.append(subscription._meta.name)
+
         self.query = create_graphql_type(query) if query else None
         self.mutation = create_graphql_type(mutation) if mutation else None
         self.subscription = create_graphql_type(subscription) if subscription else None
@@ -215,9 +225,15 @@ class TypeMap(dict):
         else:
             is_type_of = graphene_type.is_type_of
 
+        name = (
+            self.object_type_name_prefix.capitalize()
+            if self.object_type_name_prefix
+            else ""
+        ) + graphene_type._meta.name
+
         return GrapheneObjectType(
             graphene_type=graphene_type,
-            name=graphene_type._meta.name,
+            name=name,
             description=graphene_type._meta.description,
             fields=partial(self.create_fields_for_type, graphene_type),
             is_type_of=is_type_of,
@@ -357,7 +373,17 @@ class TypeMap(dict):
                     deprecation_reason=field.deprecation_reason,
                     description=field.description,
                 )
-            field_name = field.name or self.get_name(name)
+            if field.name:
+                field_name = field.name
+            else:
+                if (
+                    self.object_type_name_prefix
+                    and graphene_type._meta.name in self.root_names
+                ):
+                    object_type_name_prefix = self.object_type_name_prefix + "_"
+                    field_name = self.get_name(object_type_name_prefix + name)
+                else:
+                    field_name = self.get_name(name)
             fields[field_name] = _field
         return fields
 
@@ -421,12 +447,18 @@ class Schema:
         types=None,
         directives=None,
         auto_camelcase=True,
+        object_type_name_prefix=None,
     ):
         self.query = query
         self.mutation = mutation
         self.subscription = subscription
         type_map = TypeMap(
-            query, mutation, subscription, types, auto_camelcase=auto_camelcase
+            query,
+            mutation,
+            subscription,
+            types,
+            auto_camelcase=auto_camelcase,
+            object_type_name_prefix=object_type_name_prefix,
         )
         self.graphql_schema = GraphQLSchema(
             type_map.query,

graphene/types/tests/test_mutation.py

@@ -218,3 +218,44 @@ def test_mutation_as_subclass():
     )
     assert not result.errors
     assert result.data == {"createUserWithPlanet": {"name": "Peter", "planet": "earth"}}
+
+
+def test_object_type_name_prefix():
+    class BaseCreateUser(Mutation):
+        class Arguments:
+            name = String()
+
+        name = String()
+
+        def mutate(self, info, **args):
+            return args
+
+    class CreateUserWithPlanet(BaseCreateUser):
+        class Arguments(BaseCreateUser.Arguments):
+            planet = String()
+
+        planet = String()
+
+        def mutate(self, info, **args):
+            return CreateUserWithPlanet(**args)
+
+    class MyMutation(ObjectType):
+        create_user_with_planet = CreateUserWithPlanet.Field()
+
+    class Query(ObjectType):
+        a = String()
+
+    schema = Schema(query=Query, mutation=MyMutation, object_type_name_prefix="prefix")
+    result = schema.execute(
+        """ mutation mymutation {
+        prefixCreateUserWithPlanet(name:"Peter", planet: "earth") {
+            name
+            planet
+        }
+    }
+    """
+    )
+    assert not result.errors
+    assert result.data == {
+        "prefixCreateUserWithPlanet": {"name": "Peter", "planet": "earth"}
+    }

graphene/types/tests/test_query.py

@@ -497,3 +497,28 @@ def test_default_as_kwarg_to_NonNull():
 
     assert not result.errors
     assert result.data == expected
+
+
+def test_object_type_name_prefix():
+    class Cat(ObjectType):
+        name = String()
+
+    class User(ObjectType):
+        name = String()
+        cat = Field(Cat)
+
+        def resolve_cat(self, *args, **kwargs):
+            return Cat(name="bar")
+
+    class Query(ObjectType):
+        user = Field(User)
+
+        def resolve_user(self, *args, **kwargs):
+            return User(name="foo")
+
+    schema = Schema(query=Query, object_type_name_prefix="prefix")
+    expected = {"prefixUser": {"name": "foo", "cat": {"name": "bar"}}}
+    result = schema.execute("{ prefixUser { name cat { name } } }")
+
+    assert not result.errors
+    assert result.data == expected

graphene/types/tests/test_schema.py

@@ -5,19 +5,43 @@ from pytest import raises
 from graphql.type import GraphQLObjectType, GraphQLSchema
 
 from ..field import Field
+from ..mutation import Mutation
 from ..objecttype import ObjectType
-from ..scalars import String
+from ..scalars import Int, String
 from ..schema import Schema
 
 
+class MyType(ObjectType):
+    field = String()
+
+
 class MyOtherType(ObjectType):
     field = String()
+    my_type = Field(MyType)
 
 
 class Query(ObjectType):
     inner = Field(MyOtherType)
 
 
+class CreateUser(Mutation):
+    class Arguments:
+        name = String()
+
+    name = String()
+
+    def mutate(self, info, name):
+        return CreateUser(name=name)
+
+
+class Mutation(ObjectType):
+    create_user = CreateUser.Field()
+
+
+class Subscription(ObjectType):
+    count_to_ten = Field(Int)
+
+
 def test_schema():
     schema = Schema(Query)
     graphql_schema = schema.graphql_schema
@@ -54,6 +78,11 @@ def test_schema_str():
 
         type MyOtherType {
           field: String
+          myType: MyType
+        }
+
+        type MyType {
+          field: String
         }
         """
         ).strip()
@@ -72,3 +101,97 @@ def test_schema_requires_query_type():
     assert len(result.errors) == 1
     error = result.errors[0]
     assert error.message == "Query root type must be provided."
+
+
+def test_schema_object_type_name_prefix_camelcase():
+    schema = Schema(
+        Query,
+        Mutation,
+        Subscription,
+        auto_camelcase=True,
+        object_type_name_prefix="prefix",
+    )
+    assert (
+        str(schema).strip()
+        == dedent(
+            """
+        schema {
+          query: PrefixQuery
+          mutation: PrefixMutation
+          subscription: PrefixSubscription
+        }
+
+        type PrefixQuery {
+          prefixInner: PrefixMyOtherType
+        }
+
+        type PrefixMyOtherType {
+          field: String
+          myType: PrefixMyType
+        }
+
+        type PrefixMyType {
+          field: String
+        }
+
+        type PrefixMutation {
+          prefixCreateUser(name: String): PrefixCreateUser
+        }
+
+        type PrefixCreateUser {
+          name: String
+        }
+
+        type PrefixSubscription {
+          prefixCountToTen: Int
+        }
+        """
+        ).strip()
+    )
+
+
+def test_schema_object_type_name_prefix_camelcase_disabled():
+    schema = Schema(
+        Query,
+        Mutation,
+        Subscription,
+        auto_camelcase=False,
+        object_type_name_prefix="prefix",
+    )
+    assert (
+        str(schema).strip()
+        == dedent(
+            """
+        schema {
+          query: PrefixQuery
+          mutation: PrefixMutation
+          subscription: PrefixSubscription
+        }
+
+        type PrefixQuery {
+          prefix_inner: PrefixMyOtherType
+        }
+
+        type PrefixMyOtherType {
+          field: String
+          my_type: PrefixMyType
+        }
+
+        type PrefixMyType {
+          field: String
+        }
+
+        type PrefixMutation {
+          prefix_create_user(name: String): PrefixCreateUser
+        }
+
+        type PrefixCreateUser {
+          name: String
+        }
+
+        type PrefixSubscription {
+          prefix_count_to_ten: Int
+        }
+        """
+        ).strip()
+    )