Neal Becker schrieb: > If the argument to pool.map (f, args) > is > f = functional.partial (my_func, some_keyword_arg=whatever) > > I get: > > Traceback (most recent call last): > File "/usr/lib/python2.5/site-packages/multiprocessing-2.6.1.1-py2.5-linux- > self.run() > File "/usr/lib/python2.5/site-packages/multiprocessing-2.6.1.1-py2.5-linux- > self._target(*self._args, **self._kwargs) > File "/usr/lib/python2.5/site-packages/multiprocessing-2.6.1.1-py2.5-linux- > task = get() > File "/usr/lib/python2.5/site-packages/multiprocessing-2.6.1.1-py2.5-linux- > return recv() > TypeError: type 'partial' takes at least one argument
functool.partial instances are not picklable. You have to teach multiprocessing how to serialize a functool.partial instance. Christian _______________________________________________ Python-Dev mailing list Python-Dev@python.org http://mail.python.org/mailman/listinfo/python-dev Unsubscribe: http://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com
