Re: Possible bug with TypeError in Python

["Anoop Chandran" <anoopcj@xxxxxxxxx>]

On Jan 30, 2008 7:28 PM, Mark C. Allman <mcallman@xxxxxxxxxxxx> wrote:

On Wed, 2008-01-30 at 07:40 -0600, Aaron Konstam wrote:
> The following seems like an bug in python in both f7 and f8 but I would
> like input before I post a bugzilla. It seems the exception handler
> cannot trap the TypeError in python.
> For example:
> def plus(a,b):
>       try:
>               return(a+b)
>       except TypeError:
>               return None
>
> If we define plus as above and call it with: plus(3,) we should get
> nothing returned. Instead we get:
> Traceback (most recent call last):
>   File "./calculator", line 47, in <module>
>     exec("register=op[tokens[0]](register)")
>   File "<string>", line 1, in <module>
> TypeError: plus() takes exactly 2 arguments (1 given)
>
> This seems like a bug. An ideas out there?
> --
> =======================================================================
> Please keep your hands off the secretary's reproducing equipment.
> =======================================================================
> Aaron Konstam telephone: (210) 656-0355 e-mail: akonstam@xxxxxxxxxxxxx
>

If I remember right, the exception is occurring before the actual call
into "plus()."  Try:
   plus(3,"My String");
and you should see the TypeError.

try:
  a = plus(3)
except TypeError:
  a = 0
print a

Output should be 0..

-- Mark C. Allman, PMP
-- Allman Professional Consulting, Inc.
-- www.allmanpc.com, 617-947-4263

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-- 
- Anoop
  <>_<>
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