Paymir121

class BytesArray(TypeDecorator):
    impl = LargeBinary

    def load_dialect_impl(self, dialect):
        if dialect.name == 'sqlite':
            return dialect.type_descriptor(LargeBinary)
        else:
            return dialect.type_descriptor(ARRAY(JSON))

    def process_bind_param(self, value, dialect):
        if dialect.name == 'sqlite':
            return pickle.dumps(value, 0)
        return value

    def process_result_value(self, value, dialect):
        if dialect.name == 'sqlite':
            return pickle.loads(value)
        return value