On further investigation it appears that the process_exception
middleware isn't being called in my case. In other words,
/usr/lib/python2.7/dist-packages/django/utils/decorators.py:
92 except Exception, e:
93 import ipdb; ipdb.set_trace()
94 if hasattr(middleware, 'process_exception'):
95 result = middleware.process_exception(request, e)
96 if result is not None:
97 return result
I'm not familiar enough with Django to work out the relationship between
base.py and decorators.py. However the middleware class above does not have the
class I have loaded in base.py's self._exception_middleware. Should it have?
Rory
On 14/05/12, Rory Campbell-Lange (r...@campbell-lange.net) wrote:
> I have a custom database interface with (amongst other things) a lazy
> rowgetter. Our database provides custom exception messages when, for instance,
> a rate limit is exceeded.
>
> Because of the "laziness" of the rowgetter, the except clause in my view
> (shown below) is not triggered, and control falls to
> core/handlers/base.py : handle_uncaught_exception.
>
> try:
> rota = self.model.xmlapi_get_location (**kwargs)
> except DBException, e:
> code, message = [epart.strip() for epart in e.msg.split(':')]
> return HttpResponse(message, status=code,
> content_type="text/plain")
>
> I've tried the following:
>
> * The use of middleware using "process_exception" : DBException not raised
> * handler500 in urls : DBException not available
>
> Consequently I believe I need to either make my lazy rowgetter less lazy so
> that it errors earlier, or subclass handle_uncaught_exception. If the latter
> is
> feasible I'd be grateful for some advice on how to do so within my app.
>
> Rory
>
> p.s.
> An earlier version of this question was asked on Stack Overflow at
> http://stackoverflow.com/questions/10574581/reroute-djangos-handle-uncaught-exception
--
Rory Campbell-Lange
r...@campbell-lange.net
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