- requests
http://cn.python-requests.org/zh_CN/latest/user/quickstart.html
http://www.jb51.net/article/56702.htm
http://www.itwhy.org/%E8%BD%AF%E4%BB%B6%E5%B7%A5%E7%A8%8B/python/python-%E7%AC%AC%E4%B8%89%E6%96%B9-http-%E5%BA%93-requests-%E5%AD%A6%E4%B9%A0.html - beautiful soup
http://www.crummy.com/software/BeautifulSoup/bs4/doc.zh/
http://www.crummy.com/software/BeautifulSoup/bs4/doc/
编写登录cdsn时，注意地址，登录之后的soup，带入下载函数中，才能用当前账户登录。
firefox开发者工具不能全文搜索。ie可以。 - 登录
http://www.crifan.com/how_to_use_some_language_python_csharp_to_implement_crawl_website_extract_dynamic_webpage_content_emulate_login_website/
http://www.crifan.com/crawl_website_html_and_extract_info_using_python/ - 正则表达式
http://www.crifan.com/files/doc/docbook/regular_expression/release/html/regular_expression.html
其他：
115自动下载
http://www.jb51.net/article/55867.htm
遍历ftp
http://bbs.pediy.com/showthread.php?t=173700
下载优酷视频
http://blog.csdn.net/littlethunder/article/details/18230859
模拟登录
http://www.2cto.com/kf/201401/275152.html
人人
http://my.oschina.net/yangyanxing/blog/280029
python实现百度、CSDN、淘宝、人人自动登录（第一季）
http://blog.csdn.net/zhangzhenhu/article/details/6157077
人人
http://blog.csdn.net/gavinr/article/details/6985282
selenium
http://m.blog.csdn.net/blog/linda1000/8933544
bbs
http://blog.csdn.net/adrianfeng/article/details/5874564
