[Image-SIG] PIL bug

[Alex Clark]

On 11/16/11 4:03 PM, Morris, Chris wrote:
> The following code:
>
> from PIL import Image
>
> im = Image.open("img.bmp")
>
> im.show()
>
> brings up the default Windows 7 Image Viewer. The image viewer does not
> display the image requested, but instead displays “windows photo viewer
> can't open this picture because either the picture is deleted, or it's
> in a location that isn't available”.
>
> This site:
> http://www.velocityreviews.com/forums/t707158-python-pil-and-vista-windows-7-show-not-working.html
> has an explanation for this behavior.
>
> /What actually happens is that the Windows code relies on the fact that
> the default image viewer on Windows XP was able to work at blocking mode
> - this means that the command will wait until the image window will be
> closed. Because of that behaviour, they constructed a command line which
> deletes a file right after the image has been shown.//
>
> Windows Vista doesn't work the same way, it immediately returns once the
> command has been executed, so what happens now is that the temporary
> file gets immediately deleted by the command line, and the image viewer
> doesn't have enough time to load the image before it is being deleted.
>
> Here is a quick workaround:
>
> Edit C:\Python26\lib\site-packages\PIL\ImageShow.py, and around line 99,
> replace with the following line:
>
> return "start /wait %s && PING 127.0.0.1 -n 5 > NUL && del /f %s" %
> (file, file)/
>
> //
>
> //
>
> //
>
> I would like to report this behavior as a bug.


Please open a ticket:

- https://bitbucket.org/effbot/pil-2009-raclette/issues/new

Alex



>
> -Chris
>
>
>
> _______________________________________________
> Image-SIG maillist  -  Image-SIG at python.org
> http://mail.python.org/mailman/listinfo/image-sig


-- 
Alex Clark · http://pythonpackages.com