On Mon, Apr 25, 2011 at 1:16 PM, Thiago Franco Moraes <totonixs...@gmail.com> wrote: > Hi, > > Has anyone confirmed if this is a bug? Should I post this in the bug tracker?
I see the same thing with recent master. Something very strange is going on in the memmap.__array_finalize__ method under Windows. Can you file a bug? Ralf > > 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 > _______________________________________________ NumPy-Discussion mailing list NumPy-Discussion@scipy.org http://mail.scipy.org/mailman/listinfo/numpy-discussion
