Simple exceptions question

[Nick Jacobson]

Thanks for the reply!  I'm definitely trying this out..

> the python interpreter. Its easy to find out, which statement caused
> the exception.

How can you do that?

> Yes: create your own list class (maybe by inheriting list). Give each
> instance an unique name. Use a setitem method like this: 
> 
> class seq(list):
>   # some code suppressed...
>   def   getitem  (self,index):
>     try: list.  getitem  (self,index)
>     except IndexError,e:
>       e.index = index
>       e.name = self.name
>       raise e
> 
> Thus you can write the except clause as:
> 
>   except IndexError, e:
>     print "Accessed array ", e.name, " out of bounds at", e.index 
> 
> Mathias

It says that "self.name" is undefined:
"AttributeError: 'seq' object has no attribute 'name'"