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
>
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--
Michael Droettboom
Science Software Branch
Space Telescope Science Institute
Baltimore, Maryland, USA
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