def get_update_bulk_dict(self, serializer, data):
        update_bulk_dict = {}
        for field_name, field in serializer.fields.items():
            if field_name in data and not field.read_only:
                update_bulk_dict[field.source or field_name] = data[field_name]
        return update_bulk_dict
dataset/ETHPy150Open chibisov/drf-extensions/rest_framework_extensions/bulk_operations/mixins.py/ListUpdateModelMixin.get_update_bulk_dict/original