Mike, Git bisect showed that the problem was your merge commit bca1fb0; you were merging a changeset relative to a very old version, and I'm pretty sure that you accidentally kept the old version of a line. I switched it back to the new version:
https://github.com/matplotlib/matplotlib/commit/c9cefdcf50742fd041636b20aa48d3a821d3299d Maybe your suggested patch below is still a good idea, but I think that is now an independent question. Eric On 01/17/2012 05:37 AM, Michael Droettboom wrote: > I can't confirm this on RHEL5 64-bit or Fedora 16 64-bit. > > Have you tried removing the build and installed directories and > rebuilding from scratch? > > I'm shooting in the dark, but does the attached patch resolve your issue? > > diff --git a/src/_png.cpp b/src/_png.cpp > index 9437c87..c17dec9 100644 > --- a/src/_png.cpp > +++ b/src/_png.cpp > @@ -553,7 +553,7 @@ _png_module::_read_png(const Py::Object& py_fileobj, > const b > > if (PyErr_Occurred()) { > Py_DECREF((PyObject *)A); > - return NULL; > + throw Py::Exception(); > } else { > return (PyObject *)A; > > Mike > > On 01/14/2012 04:51 PM, Eric Firing wrote: >> On 01/14/2012 09:02 AM, Benjamin Root wrote: >>> Tried using plt.imread() today on a PNG file, and I am getting this >>> PyCXX error: >>> >>> Traceback (most recent call last): >>> File "<stdin>", line 1, in<module> >>> File "/home/ben/Programs/matplotlib/lib/matplotlib/pyplot.py", line >>> 1746, in imread >>> return _imread(*args, **kwargs) >>> File "/home/ben/Programs/matplotlib/lib/matplotlib/image.py", line >>> 1218, in imread >>> return handler(fd) >>> TypeError: PyCXX: Error creating object of type N2Py6ObjectE from (nil) >>> >>> Using master branch on Python 2.7 on 32-bit Ubuntu Oneric. Seems to >>> happen to both color and b&w images. scipy.ndimage.imread() still works >>> fine, though. >>> >>> Ben Root >> I get the same thing with master on 64-bit ubuntu natty, but not with >> v1.1.x. Mike did quite a bit of work on src/_png.cpp between those two. >> The most recent commit to that file is not causing the problem, but I >> have not tracked it down beyond that. >> >> Eric >> >> ------------------------------------------------------------------------------ >> RSA(R) Conference 2012 >> Mar 27 - Feb 2 >> Save $400 by Jan. 27 >> Register now! >> http://p.sf.net/sfu/rsa-sfdev2dev2 >> _______________________________________________ >> Matplotlib-devel mailing list >> [email protected] >> https://lists.sourceforge.net/lists/listinfo/matplotlib-devel > > ------------------------------------------------------------------------------ Keep Your Developer Skills Current with LearnDevNow! The most comprehensive online learning library for Microsoft developers is just $99.99! Visual Studio, SharePoint, SQL - plus HTML5, CSS3, MVC3, Metro Style Apps, more. Free future releases when you subscribe now! http://p.sf.net/sfu/learndevnow-d2d _______________________________________________ Matplotlib-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/matplotlib-devel
