Nugroho's blog.: Installing Python-2.7's Imaging Library Module on OS X Lion

Thursday, December 15, 2011

Installing Python-2.7's Imaging Library Module on OS X Lion

PIL, as its name suggest, is an imaging library for python. I used PIL to get every pixel of an image as 2x2 array information. With that I could modify it with many possibilities; edge detection, black and white transformation, log transformation, creating watermark, etc.

{update: I install this PIL module on my OS X El Capitan too, :), and easier



Installing PIL is an easy task, if we have its prerequities installed. Just download it and extract it and then install using this command

Nugrohos-MacBook-Pro:Imaging-1.1.7 nugroho$ python setup.py install
running install
running build
running build_py
creating build
creating build/lib.macosx-10.6-intel-2.7
...
unable to execute gcc-4.2: No such file or directory
error: command 'gcc-4.2' failed with exit status 1
Nugrohos-MacBook-Pro:Imaging-1.1.7 nugroho$
Oops, it is failed to install, it tell me that there is no gcc-4.2 on my machine, and that's true. I've modified my /usr/bin/gcc to point /usr/local/bin/gcc.

I have gcc 4.2 from Xcode4.2, which actually llvm-gcc. My existing gcc is gcc-4.6.2 so I cheated… I created symlink named gcc-4.2 on /usr/bin pointing /usr/local/bin/gcc

Nugrohos-MacBook-Pro:Imaging-1.1.7 nugroho$ ln -s /usr/local/bin/gcc /usr/bin/gcc-4.2
ln: /usr/bin/gcc-4.2: Permission denied
Nugrohos-MacBook-Pro:Imaging-1.1.7 nugroho$ sudo ln -s /usr/local/bin/gcc /usr/bin/gcc-4.2
Nugrohos-MacBook-Pro:Imaging-1.1.7 nugroho$

Still error, :(

gcc-4.2: error: x86_64: No such file or directory
gcc-4.2: error: unrecognized option ‘-arch’
gcc-4.2: error: unrecognized option ‘-arch’
error: command 'gcc-4.2' failed with exit status 1

Hm, maybe if I'm linking /usr/bin/gcc-4.2 to /usr/bin/llvm-gcc-4-2; it's gcc-4.2 after all, if we ignore llvm (don't know what is it stand for). It doesn't hurt if I'm trying, so..
Nugrohos-MacBook-Pro:Imaging-1.1.7 nugroho$ sudo rm /usr/bin/gcc-4.2 
Password:
Nugrohos-MacBook-Pro:Imaging-1.1.7 nugroho$ sudo ln -s /usr/bin/llvm-gcc-4.2 /usr/bin/gcc-4.2
Nugrohos-MacBook-Pro:Imaging-1.1.7 nugroho$ python setup.py install
running install
running build
running build_py
running build_ext
-
--------------------------------------------------------------------
PIL 1.1.7 SETUP SUMMARY
--------------------------------------------------------------------
version 1.1.7
platform darwin 2.7.2 (v2.7.2:8527427914a2, Jun 11 2011, 15:22:34)
[GCC 4.2.1 (Apple Inc. build 5666) (dot 3)]
--------------------------------------------------------------------
--- TKINTER support available
*** JPEG support not available
--- ZLIB (PNG/ZIP) support available
*** FREETYPE2 support not available
*** LITTLECMS support not available
--------------------------------------------------------------------
creating /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/PIL.pth
Nugrohos-MacBook-Pro:Imaging-1.1.7 nugroho$

Wow, success 

Well, no need gcc4.6.2 afterall, just create symbolic link of llvm-gcc-4.2 named gcc-4.2,:)

test

Nugrohos-MacBook-Pro:Imaging-1.1.7 nugroho$ python
Python 2.7.2 (v2.7.2:8527427914a2, Jun 11 2011, 15:22:34)
[GCC 4.2.1 (Apple Inc. build 5666) (dot 3)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> import image
Traceback (most recent call last):
File "", line 1, in
ImportError: No module named image
>>> import Image
>>>

OK

7 comments:

Yogev said...

I have been fighting and losing with this thing for 2 days, your post was the only one that worked for me. the steps i took:

1. Uninstalled and Installed Xcode (suggested here:
http://binarylionstudios.com/blog/2011/01/30/error-stdarg.h-no-such-file-or-directory/)

2.Followed this post

and it works!

Nugroho Adi Pramono said...

Glad to see it worked for other

Michael said...

For some reason their included BUILDME script didn't allow me to "import Image", but doing running setup.py manually did, thanks!

Nikolas Moya said...

Worked Beautifully!

Nugroho Adi Pramono said...

Yes, I used setup.py too

Nugroho Adi Pramono said...

I use Mountain Lion now, tough didn't test PIL in it yet.

Ben Smith said...

You're a lifesaver!! Thanks so much for posting and figuring this out.

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