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. -- http://mail.python.org/mailman/listinfo/python-list