On Aug 24, 5:29 pm, Benjamin Kaplan <benjamin.kap...@case.edu> wrote: > On Tue, Aug 24, 2010 at 3:31 PM, Darren Dale <dsdal...@gmail.com> wrote: > > 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? > > -- > > It's working fine for me, OS X 10.6.4, Python 2.6 and h5py from Macports.
Really? With the h5py import uncommented? I just uninstalled and reinstalled my entire macports python26/py26-numpy/hdf5-18/py26-h5py stack, and I still see the same error. -- http://mail.python.org/mailman/listinfo/python-list
