Refs #23919 -- Replaced super(ClassName, self) with super().

django/db/migrations/graph.py

@@ -77,7 +77,7 @@ class Node:
 
 class DummyNode(Node):
     def __init__(self, key, origin, error_message):
-        super(DummyNode, self).__init__(key)
+        super().__init__(key)
         self.origin = origin
         self.error_message = error_message
 

django/db/migrations/operations/fields.py

@@ -31,7 +31,7 @@ class FieldOperation(Operation):
 
     def reduce(self, operation, in_between, app_label=None):
         return (
-            super(FieldOperation, self).reduce(operation, in_between, app_label=app_label) or
+            super().reduce(operation, in_between, app_label=app_label) or
             not operation.references_field(self.model_name, self.name, app_label)
         )
 
@@ -44,7 +44,7 @@ class AddField(FieldOperation):
     def __init__(self, model_name, name, field, preserve_default=True):
         self.field = field
         self.preserve_default = preserve_default
-        super(AddField, self).__init__(model_name, name)
+        super().__init__(model_name, name)
 
     def deconstruct(self):
         kwargs = {
@@ -114,7 +114,7 @@ class AddField(FieldOperation):
                         field=self.field,
                     ),
                 ]
-        return super(AddField, self).reduce(operation, in_between, app_label=app_label)
+        return super().reduce(operation, in_between, app_label=app_label)
 
 
 class RemoveField(FieldOperation):
@@ -169,7 +169,7 @@ class AlterField(FieldOperation):
     def __init__(self, model_name, name, field, preserve_default=True):
         self.field = field
         self.preserve_default = preserve_default
-        super(AlterField, self).__init__(model_name, name)
+        super().__init__(model_name, name)
 
     def deconstruct(self):
         kwargs = {
@@ -232,7 +232,7 @@ class AlterField(FieldOperation):
                     field=self.field,
                 ),
             ]
-        return super(AlterField, self).reduce(operation, in_between, app_label=app_label)
+        return super().reduce(operation, in_between, app_label=app_label)
 
 
 class RenameField(FieldOperation):
@@ -243,7 +243,7 @@ class RenameField(FieldOperation):
     def __init__(self, model_name, old_name, new_name):
         self.old_name = old_name
         self.new_name = new_name
-        super(RenameField, self).__init__(model_name, old_name)
+        super().__init__(model_name, old_name)
 
     @cached_property
     def old_name_lower(self):

django/db/migrations/operations/models.py

@@ -33,7 +33,7 @@ class ModelOperation(Operation):
 
     def reduce(self, operation, in_between, app_label=None):
         return (
-            super(ModelOperation, self).reduce(operation, in_between, app_label=app_label) or
+            super().reduce(operation, in_between, app_label=app_label) or
             not operation.references_model(self.name, app_label)
         )
 
@@ -50,7 +50,7 @@ class CreateModel(ModelOperation):
         self.options = options or {}
         self.bases = bases or (models.Model,)
         self.managers = managers or []
-        super(CreateModel, self).__init__(name)
+        super().__init__(name)
         # Sanity-check that there are no duplicated field names, bases, or
         # manager names
         _check_for_duplicates('fields', (name for name, _ in self.fields))
@@ -223,7 +223,7 @@ class CreateModel(ModelOperation):
                         managers=self.managers,
                     ),
                 ]
-        return super(CreateModel, self).reduce(operation, in_between, app_label=app_label)
+        return super().reduce(operation, in_between, app_label=app_label)
 
 
 class DeleteModel(ModelOperation):
@@ -266,7 +266,7 @@ class RenameModel(ModelOperation):
     def __init__(self, old_name, new_name):
         self.old_name = old_name
         self.new_name = new_name
-        super(RenameModel, self).__init__(old_name)
+        super().__init__(old_name)
 
     @cached_property
     def old_name_lower(self):
@@ -429,7 +429,7 @@ class AlterModelTable(ModelOperation):
 
     def __init__(self, name, table):
         self.table = table
-        super(AlterModelTable, self).__init__(name)
+        super().__init__(name)
 
     def deconstruct(self):
         kwargs = {
@@ -476,14 +476,14 @@ class AlterModelTable(ModelOperation):
     def reduce(self, operation, in_between, app_label=None):
         if isinstance(operation, (AlterModelTable, DeleteModel)) and self.name_lower == operation.name_lower:
             return [operation]
-        return super(AlterModelTable, self).reduce(operation, in_between, app_label=app_label)
+        return super().reduce(operation, in_between, app_label=app_label)
 
 
 class ModelOptionOperation(ModelOperation):
     def reduce(self, operation, in_between, app_label=None):
         if isinstance(operation, (self.__class__, DeleteModel)) and self.name_lower == operation.name_lower:
             return [operation]
-        return super(ModelOptionOperation, self).reduce(operation, in_between, app_label=app_label)
+        return super().reduce(operation, in_between, app_label=app_label)
 
 
 class FieldRelatedOptionOperation(ModelOptionOperation):
@@ -492,7 +492,7 @@ class FieldRelatedOptionOperation(ModelOptionOperation):
                 self.name_lower == operation.model_name_lower and
                 not self.references_field(operation.model_name, operation.name)):
             return [operation, self]
-        return super(FieldRelatedOptionOperation, self).reduce(operation, in_between, app_label=app_label)
+        return super().reduce(operation, in_between, app_label=app_label)
 
 
 class AlterUniqueTogether(FieldRelatedOptionOperation):
@@ -505,7 +505,7 @@ class AlterUniqueTogether(FieldRelatedOptionOperation):
     def __init__(self, name, unique_together):
         unique_together = normalize_together(unique_together)
         self.unique_together = set(tuple(cons) for cons in unique_together)
-        super(AlterUniqueTogether, self).__init__(name)
+        super().__init__(name)
 
     def deconstruct(self):
         kwargs = {
@@ -559,7 +559,7 @@ class AlterIndexTogether(FieldRelatedOptionOperation):
     def __init__(self, name, index_together):
         index_together = normalize_together(index_together)
         self.index_together = set(tuple(cons) for cons in index_together)
-        super(AlterIndexTogether, self).__init__(name)
+        super().__init__(name)
 
     def deconstruct(self):
         kwargs = {
@@ -610,7 +610,7 @@ class AlterOrderWithRespectTo(FieldRelatedOptionOperation):
 
     def __init__(self, name, order_with_respect_to):
         self.order_with_respect_to = order_with_respect_to
-        super(AlterOrderWithRespectTo, self).__init__(name)
+        super().__init__(name)
 
     def deconstruct(self):
         kwargs = {
@@ -685,7 +685,7 @@ class AlterModelOptions(ModelOptionOperation):
 
     def __init__(self, name, options):
         self.options = options
-        super(AlterModelOptions, self).__init__(name)
+        super().__init__(name)
 
     def deconstruct(self):
         kwargs = {
@@ -726,7 +726,7 @@ class AlterModelManagers(ModelOptionOperation):
 
     def __init__(self, name, managers):
         self.managers = managers
-        super(AlterModelManagers, self).__init__(name)
+        super().__init__(name)
 
     def deconstruct(self):
         return (

django/db/migrations/serializer.py

@@ -136,7 +136,7 @@ class FloatSerializer(BaseSimpleSerializer):
     def serialize(self):
         if math.isnan(self.value) or math.isinf(self.value):
             return 'float("{}")'.format(self.value), set()
-        return super(FloatSerializer, self).serialize()
+        return super().serialize()
 
 
 class FrozensetSerializer(BaseSequenceSerializer):

django/db/migrations/state.py

@@ -246,7 +246,7 @@ class AppConfigStub(AppConfig):
         # App-label and app-name are not the same thing, so technically passing
         # in the label here is wrong. In practice, migrations don't care about
         # the app name, but we need something unique, and the label works fine.
-        super(AppConfigStub, self).__init__(label, None)
+        super().__init__(label, None)
 
     def import_models(self):
         self.models = self.apps.all_models[self.label]
@@ -271,7 +271,7 @@ class StateApps(Apps):
         # Populate the app registry with a stub for each application.
         app_labels = {model_state.app_label for model_state in models.values()}
         app_configs = [AppConfigStub(label) for label in sorted(real_apps + list(app_labels))]
-        super(StateApps, self).__init__(app_configs)
+        super().__init__(app_configs)
 
         # The lock gets in the way of copying as implemented in clone(), which
         # is called whenever Django duplicates a StateApps before updating it.