Mac OS X: decoder jpeg not available

By Nuno Mariz, on 26 January 2007 @ 12:07 ∞

If you are using PIL(Python Imaging Library) on Mac OS X(Tiger), you will probably have a "decoder jpeg not available" when resizing a jpeg image.
This probably means that PIL doesn't have JPEG support, because libjpeg wasn't found when PIL was being configured.
Here is the solution:

Download, compile and install jpeglib and zlib

Edit PIL setup.py and change to:

JPEG_ROOT = "/usr/local/include"
ZLIB_ROOT = "/usr/local/include"

Compile:
```
python setup.py build_ext -i
```
Test:
```
python selftest.py
```
If the result is something like this:
```
"57 tests passed."
```
You are ready to go:
```
python setup.py install
```

Comments

#1 By Scot Hacker on 28 November 2009 @ 06:13

Thank you! This worked when nothing else did. sorl-thumbnail finally working.
#2 By Bastien on 26 January 2010 @ 06:27

Thank you! Although this post is fairly old, it did work for me too when nothing else was working!
#3 By Adam on 5 August 2010 @ 19:56

Thanks! Exactly what I needed.
#4 By eltardo on 21 December 2010 @ 14:22

Hi, with Snow Leopard I keep on getting "Got: decoder jpeg not available" error while trying the selftest.
I compiled and installed the jpeglib and edited the PIL setup.py accordingly, but still having no success.
Can anyone help me? This thing is very annoying...

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Mac OS X: decoder jpeg not available

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