[matplotlib-devel] imread() in master branch doesn't work

2012-01-14 Thread Benjamin Root
Tried using plt.imread() today on a PNG file, and I am getting this PyCXX
error:

Traceback (most recent call last):
  File "", line 1, in 
  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
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Re: [matplotlib-devel] imread() in master branch doesn't work

2012-01-14 Thread Eric Firing
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 "", line 1, in 
>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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