On Aug 23, 9:58 am, Darren Dale <dsdal...@gmail.com> wrote: > The following script runs without problems on Ubuntu and Windows 7. > h5py is a package wrapping the hdf5 library (http://code.google.com/p/ > h5py/): > > from multiprocessing import Pool > import h5py > > def update(i): > print i > > def f(i): > "hello foo" > return i*i > > if __name__ == '__main__': > pool = Pool() > for i in range(10): > pool.apply_async(f, [i], callback=update) > pool.close() > pool.join() > > On OS X 10.6 (tested using python-2.6.5 from MacPorts), I have to > comment out the as-yet unused h5py import, otherwise I get a > traceback: > > Exception in thread Thread-1: > Traceback (most recent call last): > File "/opt/local/Library/Frameworks/Python.framework/Versions/2.6/ > lib/python2.6/threading.py", line 532, in __bootstrap_inner > self.run() > File "/opt/local/Library/Frameworks/Python.framework/Versions/2.6/ > lib/python2.6/threading.py", line 484, in run > self.__target(*self.__args, **self.__kwargs) > File "/opt/local/Library/Frameworks/Python.framework/Versions/2.6/ > lib/python2.6/multiprocessing/pool.py", line 226, in _handle_tasks > put(task) > PicklingError: Can't pickle <type 'function'>: attribute lookup > __builtin__.function failed
This is a really critical bug for me, but I'm not sure how to proceed. Can I file a bug report on the python bugtracker if the only code I can come up with to illustrate the problem requires a lame import of a third party module? -- http://mail.python.org/mailman/listinfo/python-list
