python安装第三方类库的方法

1、先到官网 http://pypi.python.org/pypi/setuptools 下载setuptools.exe文件并安装
   点击 ez_setup.py进入, 并将内容复制下来, 保存为本地的python脚本, 如: easy_install.py, 执行python easy_install.py
2、安装完毕后建议把D:\Python27\Scripts添加到path环境变量,再使用easy_install pip命令安装pip

C:\windows\system32>easy_install pip
Searching for pip
Best match: pip 1.5.6
Processing pip-1.5.6-py2.7.egg
pip 1.5.6 is already the active version in easy-install.pth
Installing pip-script.py script to D:\Python27\Scripts
Installing pip.exe script to D:\Python27\Scripts
Installing pip.exe.manifest script to D:\Python27\Scripts
Installing pip2.7-script.py script to D:\Python27\Scripts
Installing pip2.7.exe script to D:\Python27\Scripts
Installing pip2.7.exe.manifest script to D:\Python27\Scripts
Installing pip2-script.py script to D:\Python27\Scripts
Installing pip2.exe script to D:\Python27\Scripts
Installing pip2.exe.manifest script to D:\Python27\Scripts

Using d:\python27\lib\site-packages\pip-1.5.6-py2.7.egg
Processing dependencies for pip
Finished processing dependencies for pip

通过豆瓣源安装python第三方requests类库

C:\windows\system32>pip install requests -i http://pypi.douban.com/simple/
Downloading/unpacking requests
  http://pypi.douban.com/simple/requests/ uses an insecure transport scheme (htt
p). Consider using https if pypi.douban.com has it available
Installing collected packages: requests
Successfully installed requests
Cleaning up...

pip的其他用法：

pip install -U  包名(类requests)    -- 更新requests类库

pip unintsll  包名(类requests)    -- 删除requests类库

pip search  包名(类requests)    -- 搜索requests类库

pip help

比如：手动安装requests

1. 先下载requests包  https://github.com/kennethreitz/requests
2. 解压下载的zip包
3. 进入有setup.py 的目录 ，用windows的cmd
4. 先执行 python setup.py build
5. 然后执行 python setup.py install
6. 如果不出什么问题，提示安装成功
7. 新建立一个测试项目，import requests