Shulou(Shulou.com)05/31 Report--

This article mainly explains "how to solve the problem of python raise statement re-throwing exceptions". The explanation in this article is simple and clear, easy to learn and understand. Please follow the idea of Xiaobian and go deep into it slowly to study and learn "how to solve the problem of python raise statement re-throwing exceptions" together!

description

1, raise parameters are abnormal, can be an example of an exception or an exception class.

This exception class must be a subclass of Exception. You can use raise in an except statement to rethrow an exception.

If an exception class is passed, the parameterless constructor is called for an implicit instance:

If we catch some exceptions but don't want to handle them, we can rethrow them using raise in the except statement.

examples

>>> try:... raise NameError('HiThere')... except NameError:... print('An exception flew by! ')... raise... An exception flew by! Traceback (most recent call last): File "", line 2, in NameError: HiThere Thank you for reading, the above is the content of "python raise statement re-throw exception problem how to solve", after learning this article, I believe you have a deeper understanding of python raise statement re-throw exception problem how to solve this problem, the specific use situation still needs to be verified by practice. Here is, Xiaobian will push more articles related to knowledge points for everyone, welcome to pay attention!

Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.