Python自定义异常及抛出异常

"""
    自定义异常
"""
class MyException(Exception): # 继承异常类
    def __init__(self, name, reason):
        self.name = name
        self.reason = reason
    
from datetime import datetime
try:
    if str(datetime.now()) > "2018":
        raise MyException("TimeoutException", "time is overtime...")
except MyException as e:
    print(e.name +":"+e.reason)
    
"""
    抛出异常
"""        
try:
    6/0
    raise
except Exception as e:
    print(e)

结果：