[Zope] Trapping zope exceptions in python script

[Jonathan]

----- Original Message ----- 
From: "Tino Wildenhain" <tino at wildenhain.de>
To: "Jonathan" <dev101 at magma.ca>
Cc: <zope at zope.org>
Sent: Thursday, December 15, 2005 8:18 AM
Subject: Re: [Zope] Trapping zope exceptions in python script


> Jonathan schrieb:
>>
> ...
>> It seems strange that one can, using plain vanilla python scripts,  trap 
>> bare 'try/excepts' (and I agree with Andreas that this is not a good 
>> thing to do!) and that one can trap python built-in exceptions, but that 
>> one cannot trap zope exceptions.  Why allow python scripts to trap zope 
>> exceptions using a bare try/except (and then have to re-raise everything 
>> except the target zope exception), but not allow python scripts to target 
>> specific zope exceptions?  I don't see the reasoning behind this 
>> approach.
>
> Well you can trap any exception which happens between your
> try and except. But not outside of these, of course.
> This is true everywhere (not even python only ;)
>
> Which exceptions do you believe you might be not able
> to catch?

I encountered this situation while trying to trap 'BadRequest'.

Jonathan