Additional information: complete traceback: Serving at http://localhost:8000 using 2 worker processes To exit press Ctrl-Break Traceback (most recent call last): File "C:\workspaces\workspace\skrserver-multiprocess\src\t.py", line 70, in <module> test() File "C:\workspaces\workspace\skrserver-multiprocess\src\t.py", line 65, in test runpool(ADDRESS, NUMBER_OF_PROCESSES) File "C:\workspaces\workspace\skrserver-multiprocess\src\t.py", line 49, in runpool Process(target=serve_forever, args=(server,)).start() File "C:\Python26\lib\multiprocessing\process.py", line 104, in start self._popen = Popen(self) File "C:\Python26\lib\multiprocessing\forking.py", line 239, in __init__ dump(process_obj, to_child, HIGHEST_PROTOCOL) File "C:\Python26\lib\multiprocessing\forking.py", line 162, in dump ForkingPickler(file, protocol).dump(obj) File "C:\Python26\lib\pickle.py", line 224, in dump self.save(obj) File "C:\Python26\lib\pickle.py", line 331, in save self.save_reduce(obj=obj, *rv) File "C:\Python26\lib\pickle.py", line 419, in save_reduce save(state) File "C:\Python26\lib\pickle.py", line 286, in save f(self, obj) # Call unbound method with explicit self File "C:\Python26\lib\pickle.py", line 649, in save_dict self._batch_setitems(obj.iteritems()) File "C:\Python26\lib\pickle.py", line 681, in _batch_setitems save(v) File "C:\Python26\lib\pickle.py", line 286, in save f(self, obj) # Call unbound method with explicit self File "C:\Python26\lib\pickle.py", line 548, in save_tuple save(element) File "C:\Python26\lib\pickle.py", line 286, in save f(self, obj) # Call unbound method with explicit self File "C:\Python26\lib\pickle.py", line 725, in save_inst save(stuff) File "C:\Python26\lib\pickle.py", line 286, in save f(self, obj) # Call unbound method with explicit self File "C:\Python26\lib\pickle.py", line 649, in save_dict self._batch_setitems(obj.iteritems()) File "C:\Python26\lib\pickle.py", line 681, in _batch_setitems save(v) File "C:\Python26\lib\pickle.py", line 331, in save self.save_reduce(obj=obj, *rv) File "C:\Python26\lib\pickle.py", line 419, in save_reduce save(state) File "C:\Python26\lib\pickle.py", line 286, in save f(self, obj) # Call unbound method with explicit self File "C:\Python26\lib\pickle.py", line 649, in save_dict self._batch_setitems(obj.iteritems()) File "C:\Python26\lib\pickle.py", line 681, in _batch_setitems save(v) File "C:\Python26\lib\pickle.py", line 331, in save self.save_reduce(obj=obj, *rv) File "C:\Python26\lib\pickle.py", line 419, in save_reduce save(state) File "C:\Python26\lib\pickle.py", line 286, in save f(self, obj) # Call unbound method with explicit self File "C:\Python26\lib\pickle.py", line 649, in save_dict self._batch_setitems(obj.iteritems()) File "C:\Python26\lib\pickle.py", line 681, in _batch_setitems save(v) File "C:\Python26\lib\pickle.py", line 313, in save (t.__name__, obj)) pickle.PicklingError: Can't pickle 'lock' object: <thread.lock object at 0x00929370> Traceback (most recent call last): File "<string>", line 1, in <module> File "C:\Python26\lib\multiprocessing\forking.py", line 342, in main self = load(from_parent) File "C:\Python26\lib\pickle.py", line 1370, in load return Unpickler(file).load() File "C:\Python26\lib\pickle.py", line 858, in load dispatch[key](self) File "C:\Python26\lib\pickle.py", line 1133, in load_reduce value = func(*args) File "C:\Python26\lib\multiprocessing\reduction.py", line 167, in rebuild_socket _sock = fromfd(fd, family, type_, proto) File "C:\Python26\lib\multiprocessing\reduction.py", line 156, in fromfd s = socket.fromfd(fd, family, type_, proto) AttributeError: 'module' object has no attribute 'fromfd'
-------------- It seems that patch is available http://bugs.python.org/issue1378 but not yet applied on the Windows latest release. I have no environment to build it from source with this patch (in addition, I don't even know how :-)) Thanks for any help. On Thu, Dec 11, 2008 at 6:55 AM, Nabla Kvadrat <[EMAIL PROTECTED]> wrote: > Hi, can someone please help me with/explain if following problem can > be somehow resolved? > > I have Py2.6.1 win32 and I'm playing around with multiprocessing > module. Trying examples here: > http://docs.python.org/library/multiprocessing.html#examples. Example > with SimpleHTTPServer.HttpServer don't work because of socket.fromfd > in multiprocessing.reduction. If number of processes is >1 it ends > with traceback ....... pickle.: 'module' object has no attribute > 'fromfd'. > As I understand socket.fromfd on windows is not implemented (?), so > why the example script is care about platform > if sys.platform == 'win32': > import multiprocessing.reduction > and finally, is there some easy (no patching and recompiling python > from source) way to get this example to work on win32 platform? > Thanks for any help, I'm Python amateur... > N. > -- http://mail.python.org/mailman/listinfo/python-list
