安装 Python Imaging Library

http://www.pythonware.com/products/pil/

The Python Imaging Library (PIL) adds image processing capabilities to your Python interpreter. This library supports many file formats, and provides powerful image processing and graphics capabilities.

从源码安装，出错：

……
copying PIL\TiffImagePlugin.py -> build\lib.win-amd64-2.7
copying PIL\TiffTags.py -> build\lib.win-amd64-2.7
copying PIL\WalImageFile.py -> build\lib.win-amd64-2.7
copying PIL\WmfImagePlugin.py -> build\lib.win-amd64-2.7
copying PIL\XbmImagePlugin.py -> build\lib.win-amd64-2.7
copying PIL\XpmImagePlugin.py -> build\lib.win-amd64-2.7
copying PIL\XVThumbImagePlugin.py -> build\lib.win-amd64-2.7
copying PIL\__init__.py -> build\lib.win-amd64-2.7
running build_ext
--- using Tcl/Tk libraries at C:\python27\Tcl
--- using Tcl/Tk version 8.5
building '_imaging' extension
error: Unable to find vcvarsall.bat

解决办法：


1、首先安装MinGW，在MinGW的安装目录下找到bin的文件夹，找到mingw32-make.exe，复制一份更名为make.exe；

2、把MinGW的路径添加到环境变量path中；

3、打开命令行窗口，在命令行窗口中进入到要安装代码的目录下；

4、输入如下命令就可以安装了。

setup.py install build --compiler=mingw32