[Image-SIG] IOError "decoder jpeg not available" on Win7 (2nd try)

Edward Cannon cannon.el at gmail.com
Thu Sep 9 00:04:45 CEST 2010

That seems weird.  I have win7 and python 2.6 and do not have any  
problems. Maybe a clean install will help.
Edward Cannon
Unicorn School

On Sep 8, 2010, at 1:08 PM, David <lists at theflorys.org> wrote:

> I sent this to the list a week ago with no result.  2nd try.
> I am running Python 2.6 on a new Win7 machine. I have installed PIL  
> from the PIL-1.1.7.win32-py2.6.exe binary.  I am trying to resize a  
> jpg.  I get the IOError message "decoder jpeg not available" when I  
> call the save() method:
> im = Image.open(infile)
> im = im.resize(newsize,Image.ANTIALIAS)
> im.save(outfile, "JPEG", quality=90)
> I have scanned a year of back messages on this list without seeing  
> any relevant advice.  I have used PIL with the same code on other  
> Win32 machines without problems.  Since it is a prebuild binary, the  
> jpeg decoder should be present.
> Help or advice would be appreciated.
> David Flory
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> Image-SIG maillist  -  Image-SIG at python.org
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