Django migration operations with custom schema editor

gistfile1.py

class MaterializedViewOperationMixin(object):
    def get_schema_editor(self, app_label, schema_editor):
        if app_label in {'app1', 'app2'}:
            return CustomSchemaEditor()
        return schema_editor


class MaterializedViewCreateModel(MaterializedViewOperationMixin, CreateModel):
    def database_forwards(self, app_label, schema_editor, from_state, to_state):
        schema_editor = self.get_schema_editor(app_label, schema_editor)
        super(MaterializedViewCreateModel, self).database_forwards(self, app_label, schema_editor, from_state, to_state)