Finding the source of an exception in a python multiprocessing program
William Ray Wing
wrw at mac.com
Wed Apr 24 17:09:20 EDT 2013
On Apr 24, 2013, at 4:31 PM, Neil Cerutti <neilc at norwich.edu> wrote:
> On 2013-04-24, William Ray Wing <wrw at 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
> --
> http://mail.python.org/mailman/listinfo/python-list
I'm sorry, I'm not following you. The "get" routine (and thus self.wait) is part of the "pool" module in the Python multiprocessing library.
None of my code has a class or function named "get".
-Bill
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