testing.py 文件源码

def random_or_specified_value(cls, value):
        """
        Helper utility for choosing between a user-specified value for a field or a randomly generated value.

        :param value: Either a lambda type or a non-lambda type.
        :return: The value itself if not a lambda type, otherwise the value of the evaluated lambda (random value)
        """
        return value() if isinstance(value, types.LambdaType) else value