message of Exception
clp2 at rebertia.com
Wed Jan 7 04:09:17 CET 2009
On Tue, Jan 6, 2009 at 6:56 PM, Steven Woody <narkewoody at gmail.com> wrote:
> I am trying define an Exception as below:
> class MyError(Exception):
> def __init__(self, message):
> self.message = message
> And, I expect that when I raise a MyError as
> raise MyError, "my message"
> the python should print a line such as
> MyError: my message
> But I did not get that, I just got:
> I guess I had made something wrong with the __init__() definition, but
> I can not find an answer in doc. Please help, thanks!
You need to call the superclass constructor:
#note: this code will be different in Py 3.0
def __init__(self, message):
Or if you're not going to add anything else to MyError, you might as
well just leave the class body empty and it'll use Exception's
__init__, which takes care of the message.
Follow the path of the Iguana...
More information about the Python-list