Python Mystery Theatre -- Episode 1: Exceptions

Aahz aahz at pythoncraft.com
Sat Jul 12 16:40:34 CEST 2003


In article <3F0FC088.3C56EDEA at alcyone.com>,
Erik Max Francis  <max at alcyone.com> wrote:
>Raymond Hettinger wrote:
>> 
>> ACT III --------------------------------------------
>> >>> class Prohibited(Exception):
>> ...     def __init__(self):
>> ...         print 'This class of should never get initialized'
>> ...
>> >>> raise Prohibited()
>> This class of should never get initialized
>> 
>> Traceback (most recent call last):
>>   File "<pyshell#40>", line 1, in -toplevel-
>>     raise Prohibited()
>> Prohibited: <unprintable instance object>
>> >>> raise Prohibited
>> This class of should never get initialized
>> 
>> Traceback (most recent call last):
>>   File "<pyshell#41>", line 1, in -toplevel-
>>     raise Prohibited
>> Prohibited: <unprintable instance object>
>
>Is this some IDLE-specific thing?  

Nope, the point here is that

raise Prohibited

will always create a Prohibited() instance.  (See also Peter's post
about One True Way for exceptions.)
-- 
Aahz (aahz at pythoncraft.com)           <*>         http://www.pythoncraft.com/

"Not everything in life has a clue in front of it...."  --JMS




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