PS: Windows真心不适合开发。且行且珍惜....
坑：
error: Setup script exited with error: Microsoft Visual C++ 9.0 is required (Unable to find vcvarsall.bat). Get it from http://aka.ms/vcpython27
解决方法：
Windows安装Scrapy遇坑解决办
原文：http://www.cnblogs.com/lfoder/p/6078883.html
