Remove unused code from the plugin (#2570)

Author: ngnpope

mypy_django_plugin/errorcodes.py

@@ -1,4 +1,3 @@
 from mypy.errorcodes import ErrorCode
 
-MANAGER_UNTYPED = ErrorCode("django-manager", "Untyped manager disallowed", "Django")
 MANAGER_MISSING = ErrorCode("django-manager-missing", "Couldn't resolve manager for model", "Django")

mypy_django_plugin/lib/fullnames.py

@@ -4,10 +4,7 @@
 MODEL_METACLASS_FULLNAME = "django.db.models.base.ModelBase"
 MODEL_CLASS_FULLNAME = "django.db.models.base.Model"
 FIELD_FULLNAME = "django.db.models.fields.Field"
-CHAR_FIELD_FULLNAME = "django.db.models.fields.CharField"
 ARRAY_FIELD_FULLNAME = "django.contrib.postgres.fields.array.ArrayField"
-AUTO_FIELD_FULLNAME = "django.db.models.fields.AutoField"
-GENERIC_FOREIGN_KEY_FULLNAME = "django.contrib.contenttypes.fields.GenericForeignKey"
 FOREIGN_OBJECT_FULLNAME = "django.db.models.fields.related.ForeignObject"
 FOREIGN_KEY_FULLNAME = "django.db.models.fields.related.ForeignKey"
 ONETOONE_FIELD_FULLNAME = "django.db.models.fields.related.OneToOneField"
@@ -29,11 +26,6 @@
 
 FORM_MIXIN_CLASS_FULLNAME = "django.views.generic.edit.FormMixin"
 
-MANAGER_CLASSES = {
-    MANAGER_CLASS_FULLNAME,
-    BASE_MANAGER_CLASS_FULLNAME,
-}
-
 REVERSE_ONE_TO_ONE_DESCRIPTOR = "django.db.models.fields.related_descriptors.ReverseOneToOneDescriptor"
 REVERSE_MANY_TO_ONE_DESCRIPTOR = "django.db.models.fields.related_descriptors.ReverseManyToOneDescriptor"
 MANY_TO_MANY_DESCRIPTOR = "django.db.models.fields.related_descriptors.ManyToManyDescriptor"
@@ -46,9 +38,7 @@
     )
 )
 
-MIGRATION_CLASS_FULLNAME = "django.db.migrations.migration.Migration"
 OPTIONS_CLASS_FULLNAME = "django.db.models.options.Options"
-HTTPREQUEST_CLASS_FULLNAME = "django.http.request.HttpRequest"
 QUERYDICT_CLASS_FULLNAME = "django.http.request.QueryDict"
 
 COMBINABLE_EXPRESSION_FULLNAME = "django.db.models.expressions.Combinable"

mypy_django_plugin/lib/helpers.py

@@ -64,9 +64,6 @@ class DjangoTypeMetadata(TypedDict, total=False):
     from_queryset_manager: str
     reverse_managers: dict[str, str]
     baseform_bases: dict[str, int]
-    manager_bases: dict[str, int]
-    model_bases: dict[str, int]
-    queryset_bases: dict[str, int]
     m2m_throughs: dict[str, str]
     m2m_managers: dict[str, str]
     manager_to_model: str
@@ -76,7 +73,7 @@ def get_django_metadata(model_info: TypeInfo) -> DjangoTypeMetadata:
     return cast(DjangoTypeMetadata, model_info.metadata.setdefault("django", {}))
 
 
-def get_django_metadata_bases(model_info: TypeInfo, key: Literal["baseform_bases", "queryset_bases"]) -> dict[str, int]:
+def get_django_metadata_bases(model_info: TypeInfo, key: Literal["baseform_bases"]) -> dict[str, int]:
     return get_django_metadata(model_info).setdefault(key, cast(dict[str, int], {}))
 
 

mypy_django_plugin/main.py

@@ -70,15 +70,6 @@ def __init__(self, options: Options) -> None:
         sys.path.extend(options.mypy_path)
         self.django_context = DjangoContext(self.plugin_config.django_settings_module)
 
-    def _get_current_queryset_bases(self) -> dict[str, int]:
-        model_sym = self.lookup_fully_qualified(fullnames.QUERYSET_CLASS_FULLNAME)
-        if model_sym is not None and isinstance(model_sym.node, TypeInfo):
-            bases = helpers.get_django_metadata_bases(model_sym.node, "queryset_bases")
-            bases[fullnames.QUERYSET_CLASS_FULLNAME] = 1
-            return bases
-        else:
-            return {}
-
     def _get_current_form_bases(self) -> dict[str, int]:
         model_sym = self.lookup_fully_qualified(fullnames.BASEFORM_CLASS_FULLNAME)
         if model_sym is not None and isinstance(model_sym.node, TypeInfo):