# -*- coding: utf-8 -*-
# @File : exceptions-example.py
# @Date : 2018-09-21
# @Author : Peng Shiyu
# 自定义异常
class MyException(Exception):
def __init__(self, url, errcode, errmsg):
self.url = url
self.errcode = errcode
self.errmsg = errmsg
def __str__(self):
return "<HTTPError for %s: %s %s>" % (
self.url, self.errcode, self.errmsg
)
if __name__ == '__main__':
try:
raise MyException("www.baidu.com", 404, "not found")
except MyException as e:
print(e.url)
print(e.errcode)
print(e.errmsg)
raise # 重新抛出异常