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Wed Nov 3 21:15:51 CET 2010 · https://mail.python.org/pipermail/python-dev/2010-November/105247.html

On 03/11/2010 19:48, Jesse Noller wrote:
> On Wed, Nov 3, 2010 at 3:45 PM, Antoine Pitrou<solipsis at pitrou.net>  wrote:
>> On Wed, 03 Nov 2010 19:26:53 +0000
>> Michael Foord<fuzzyman at voidspace.org.uk>  wrote:
>>> Antoine is firmly of the opinion that making TestCase instances
>>> unpickleable is a feature...
>> Apparently you didn't really understand me. I'm of the opinion that
>> making TestCase instances pickleable is useless if that pickling
>> doesn't have well-defined semantics. And I wonder what the semantics of
>> pickling a TestCase could be, and what the use cases are.
>>
>> Regards
>>
>> Antoine.
>>
> Splitting groups of tests to run in parallel via multiple processes is
> a pretty good use case.

That's something I've been thinking about a lot (and talking to Holger 
about) for the unittest plugins. I definitely won't be doing it with 
pickles but as Antoine says, sending test names to the subprocesses. You 
really want tests run in a child process to behave differently and it 
makes sense to set them up inside the child process.

All the best,

Michael Foord

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