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Re: Finding the source of an exception in a python multiprocessing program

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On 2013-04-24, William Ray Wing <wrw@mac.com> wrote:
> When I look at the pool module, the error is occurring in
> get(self, timeout=None) on the line after the final else:
>
>     def get(self, timeout=None):
>         self.wait(timeout)
>         if not self._ready:
>             raise TimeoutError
>         if self._success:
>             return self._value
>         else:
>             raise self._value

The code that's failing is in self.wait. Somewhere in there you
must be masking an exception and storing it in self._value
instead of letting it propogate and crash your program. This is
hiding the actual context.

-- 
Neil Cerutti

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Finding the source of an exception in a python multiprocessing program William Ray Wing <wrw@mac.com> - 2013-04-24 15:25 -0400
  Re: Finding the source of an exception in a python multiprocessing program Neil Cerutti <neilc@norwich.edu> - 2013-04-24 20:31 +0000
    Re: Finding the source of an exception in a python multiprocessing program William Ray Wing <wrw@mac.com> - 2013-04-24 17:09 -0400
      Re: Finding the source of an exception in a python multiprocessing program Neil Cerutti <neilc@norwich.edu> - 2013-04-25 12:37 +0000
    Re: Finding the source of an exception in a python multiprocessing program Dave Angel <davea@davea.name> - 2013-04-24 19:26 -0400
    Re: Finding the source of an exception in a python multiprocessing program Oscar Benjamin <oscar.j.benjamin@gmail.com> - 2013-04-25 01:00 +0100
    Re: Finding the source of an exception in a python multiprocessing program Dave Angel <davea@davea.name> - 2013-04-24 20:11 -0400

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