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IOError: decoder jpeg not available


IOError: decoder jpeg not available

Here’s how I re-installed PIL correctly. But before you try to reinstall it, make sure you’ve removed every ounce of PIL from your system. Somehow the reinstall didn’t work until I removed both the PIL site-packages install AND the temporary installation folder i.e., where the tar file unpacked to.

My sucessful re-installation of PIL on Ubuntu 7.04:

First remove your last install!
$ sudo rm -rf /usr/lib/python2.5/site-packages/PIL
$ sudo rm /usr/lib/python2.5/site-packages/PIL.pth
$ sudo rm ~/Imaging-1.1.6

Make sure you install at the libraries for both JPEG support and FreeType2:
$ sudo aptitude install libjpeg libjpeg-dev
$ sudo aptitude install libfreetype6 libfreetype6-dev

Get PIL again and do the install:
$ wget http://effbot.org/media/downloads/Imaging-1.1.6.tar.gz
$ gunzip Imaging-1.1.6.tar.gz
$ tar xvf Imaging-1.1.6.tar
$ cd Imaging-1.1.6/
$ python setup.py build_ext -i

Run the included test to make sure everything now works:
$ python selftest.py

If everything worked do the real install:
$ sudo python setup.py install

http://www.answermysearches.com/fixing-pil-ioerror-decoder-jpeg-not-available/320/
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