pass Separating the exception from the variable with a comma will still work in Python 2.6 and 2.7, but is now deprecated; now you should be using as.
参考:http://stackoverflow.com/questions/6470428/catch-multiple-exceptions-in-one-line-except-block 5 Python自省 这个也是python彪悍的特性. 自省就是面向对象的语言所写的程序在运行时,所能知道对象的类型.简单一句就是运行时能够获得对象的类型.比如type(),dir(),getattr(),hasattr(),isinstance(). a=[ 1...
Catch One of Multiple Possible Python Exceptions Using Its Superclass You’ve already learned how different exceptions are objects instantiated from different classes. These classes all belong to thePython exception class hierarchy. All Python exceptionsinheritfrom a class namedBaseException, and one of...
参考:http://stackoverflow.com/questions/6470428/catch-multiple-exceptions-in-one-line-except-block 5 Python自省 这个也是python彪悍的特性. 自省就是面向对象的语言所写的程序在运行时,所能知道对象的类型.简单一句就是运行时能够获得对象的类型.比如type(),dir(),getattr(),hasattr(),isinstance(). a = ...
处理异常的标准方法就是使用try...except语句。这一点其实比较类似于Java中的try...catch语句,事实上,大部分语言都有类似的捕捉异常的方法。 通常来说,可能产生异常的代码应该被try语句囊括进去,如果报异常的就会立即停止try语句中的剩余代码,并执行except语句中的代码。
# Program to handle multiple errors with one# except statement# Python 3deffun(a):ifa<4:# throws ZeroDivisionError for a = 3b=a/(a-3)# throws NameError if a >= 4print("Value of b = ",b)try:fun(3)fun(5)# note that braces () are necessary here for# multiple exceptionsexceptZer...
Python errors All In OneSyntaxError: invalid character in identifier\u200b, ZERO WIDTH SPACE https://stackoverflow.com/questions/14844687/invalid-character-in-identifierSyntaxError: invalid syntaxif__name__ == "__main__": # if 关键字,后面加空格 if __name__ == "__main__": 用于区分,...
In some situations, you want to react the same way, e.g. catching multiple network-related exceptions and just say "network was stupid" message. What you are looking for is: except (socket.error, urllib2.URLError, httplib.HTTPException) as e: # when you want to log the error, you ...
This script can read one or several text files and report how many lines, words, and characters each of them contains. Here’s a breakdown of what’s happening in the code:Line 4 loops over each filename provided by the user. The sys.argv list contains each argument given on the ...
参考:http://stackoverflow.com/questions/6470428/catch-multiple-exceptions-in-one-line-except-block 5 Python自省 这个也是python彪悍的特性. 自省就是面向对象的语言所写的程序在运行时,所能知道对象的类型.简单一句就是运行时能够获得对象的类型.比如type(),dir(),getattr(),hasattr(),isinstance(). a = ...