在Mac OS系统上安装Python的Pillow库的教程

今天帮朋友做个python的小工具，发现系统上缺少ptyhon的支持库，返回如下信息

ImportError: No module named PIL 
然后就下载安装,因为机器上也没有python的管理工具pip，所以也一并安装
1. 安装pip

sudo easy_install pip 

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pip 安装成功就可以直接安装pil或者pillow

2. 通过命令pip install pil

pip install Pil 

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Downloading/unpacking Pil 
 Could not find any downloads that satisfy the requirement Pil 
 Some externally hosted files were ignored (use --allow-external Pil to allow). 
Cleaning up... 
No distributions at all found for Pil 
Storing debug log for failure in /Users/macbook/Library/Logs/pip.log 

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3. 所以就安装pillow

pip install --use-wheel Pillow 

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Downloading/unpacking Pillow 
 Downloading Pillow-2.4.0.zip (6.5MB): 5.0MB downloaded 
Cleaning up... 

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弄了会别的回来发现还没有下载完，这叫一个慢呀，于是放弃
4. Git

通过git下载源码地址https://github.com/python-imaging/Pillow

git clone https://github.com/python-imaging/Pillow.git 

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然后开始编译安装

4.1

python setup.py build_ext -i 

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编译完之后会提示运行测试例子，并且发现JPEG support not available

-------------------------------------------------------------------- 
version   Pillow 2.4.0 
platform   darwin 2.7.5 (default, Aug 25 2013, 00:04:04) 
       [GCC 4.2.1 Compatible Apple LLVM 5.0 (clang-500.0.68)] 
-------------------------------------------------------------------- 
--- TKINTER support available 
*** JPEG support not available 
*** OPENJPEG (JPEG2000) support not available 
--- ZLIB (PNG/ZIP) support available 
*** LIBTIFF support not available 
--- FREETYPE2 support available 
*** LITTLECMS2 support not available 
*** WEBP support not available 
*** WEBPMUX support not available 
-------------------------------------------------------------------- 
To add a missing option, make sure you have the required 
library, and set the corresponding ROOT variable in the 
setup.py script. 
 
To check the build, run the selftest.py script. 

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4.2 因为JPEG support not available，运行python selftest.py报告错误

1 tests of 57 failed. 

于是只好卸载pillow

可以通过pip命令来卸载

pip uninstall pillow 
sudo pip uninstall pillow 

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Password: 
Uninstalling Pillow: 
 /Library/Python/2.7/site-packages/Pillow-2.4.0-py2.7-macosx-10.9-intel.egg 
 /usr/local/bin/pilconvert.py 
 /usr/local/bin/pildriver.py 
 /usr/local/bin/pilfile.py 
 /usr/local/bin/pilfont.py 
 /usr/local/bin/pilprint.py 
Proceed (y/n)? y  
  Successfully uninstalled Pillow  
 

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成功之后需要安装libjpeg的支持

brew install libjpeg 

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安装成功之后重新编译pillow

-------------------------------------------------------------------- 
version   Pillow 2.4.0 
platform   darwin 2.7.5 (default, Aug 25 2013, 00:04:04) 
       [GCC 4.2.1 Compatible Apple LLVM 5.0 (clang-500.0.68)] 
-------------------------------------------------------------------- 
--- TKINTER support available 
--- JPEG support available 
*** OPENJPEG (JPEG2000) support not available 
--- ZLIB (PNG/ZIP) support available 
*** LIBTIFF support not available 
--- FREETYPE2 support available 
*** LITTLECMS2 support not available 
*** WEBP support not available 
*** WEBPMUX support not available 
-------------------------------------------------------------------- 
python selftest.py  

-------------------------------------------------------------------- 
Pillow 2.4.0 TEST SUMMARY  
-------------------------------------------------------------------- 
Python modules loaded from /Users/macbook/yyang/app-devel-source/python/Pillow/PIL 
Binary modules loaded from /Users/macbook/yyang/app-devel-source/python/Pillow/PIL 
-------------------------------------------------------------------- 
--- PIL CORE support ok 
--- TKINTER support ok 
--- JPEG support ok 
*** JPEG 2000 support not installed 
--- ZLIB (PNG/ZIP) support ok 
*** LIBTIFF support not installed 
--- FREETYPE2 support ok 
*** LITTLECMS2 support not installed 
*** WEBP support not installed 
-------------------------------------------------------------------- 
Running selftest: 
--- 57 tests passed. 

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最后执行安装

sudo python setup.py install 

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