Hi, Has anyone confirmed if this is a bug? Should I post this in the bug tracker?
Thanks! On Tue, Apr 19, 2011 at 9:01 PM, Thiago Franco de Moraes <totonixs...@gmail.com> wrote: > Hi all, > > I'm having a error using memmap objects shared among processes created > by the multprocessing module. This error only happen in Windows with > numpy 1.5 or above, in numpy 1.4.1 it doesn't happen, In Linux and Mac > OS X it doesn't happen. This error is demonstrated by this little > example script here https://gist.github.com/929168 , and the traceback > is bellow (between <traceback> tags): > > <traceback> > Process Process-1: > Traceback (most recent call last): > File "C:\Python26\Lib\multiprocessing\process.py", line 232, in _bootstrap > self.run() > File "C:\Python26\Lib\multiprocessing\process.py", line 88, in run > self._target(*self._args, **self._kwargs) > File "C:\Documents and Settings\phamorim\Desktop\test.py", line 7, in > print_ma > trix > print matrix > File "C:\Python26\Lib\site-packages\numpy\core\numeric.py", line 1379, in > arra > y_str > return array2string(a, max_line_width, precision, suppress_small, ' ', > "", s > tr) > File "C:\Python26\Lib\site-packages\numpy\core\arrayprint.py", line 309, in > ar > ray2string > separator, prefix) > File "C:\Python26\Lib\site-packages\numpy\core\arrayprint.py", line 189, in > _a > rray2string > data = _leading_trailing(a) > File "C:\Python26\Lib\site-packages\numpy\core\arrayprint.py", line 162, in > _l > eading_trailing > min(len(a), _summaryEdgeItems))] > File "C:\Python26\Lib\site-packages\numpy\core\memmap.py", line 257, in > __arra > y_finalize__ > self.filename = obj.filename > AttributeError: 'memmap' object has no attribute 'filename' > Exception AttributeError: AttributeError("'NoneType' object has no attribute > 'te > ll'",) in <bound method memmap.__del__ of memmap([0, 0, 0, 0, 0, 0, 0, 0, 0, > 0, > 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, > 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, > 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, > 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, > 0, 0, 0, 0, 0, 0, 0, 0], dtype=int16)> ignored > </traceback> > > I don't know if it's a bug, but I thought it's is import to report > because the version 1.4.1 was working and 1.5.0 and above was not. > > Thanks! > > _______________________________________________ NumPy-Discussion mailing list NumPy-Discussion@scipy.org http://mail.scipy.org/mailman/listinfo/numpy-discussion
