Python pip使用

1、用pip安装第三包# pip install SomePackage  [...]  Successfully installed SomePackage2、pip查看已安装的包的文件# pip show --files SomePackage  Name: SomePackage  Version: 1.0  Location: /my/env/lib/pythonx.x/site-packages  Files:   ../somepackage/__init__.py   [...]3、pip检查哪些包需要更新# pip list --outdated  SomePackage (Current: 1.0 Latest: 2.0)4、pip升级第三方包# pip install --upgrade SomePackage  [...]  Found existing installation: SomePackage 1.0  Uninstalling SomePackage:    Successfully uninstalled SomePackage  Running setup.py install for SomePackage  Successfully installed SomePackage5、 pip卸载包# pip uninstall SomePackage  Uninstalling SomePackage:    /my/env/lib/pythonx.x/site-packages/somepackage  Proceed (y/n)? y  Successfully uninstalled SomePackage6、pip参数解释# pip --helpUsage:     pip <command> [options]Commands:  install                     安装包.  uninstall                   卸载包.  freeze                      按着一定格式输出已安装包列表  list                        列出已安装包.  show                        显示包详细信息.  search                      搜索包，类似yum里的search.  wheel                       Build wheels from your requirements.  zip                         不推荐. Zip individual packages.  unzip                       不推荐. Unzip individual packages.  bundle                      不推荐. Create pybundles.  help                        当前帮助.General Options:  -h, --help                  显示帮助.  -v, --verbose               更多的输出，最多可以使用3次  -V, --version               现实版本信息然后退出.  -q, --quiet                 最少的输出.  --log-file <path>           覆盖的方式记录verbose错误日志，默认文件：/root/.pip/pip.log  --log <path>                不覆盖记录verbose输出的日志.  --proxy <proxy>             Specify a proxy in the form [user:passwd@]proxy.server:port.  --timeout <sec>             连接超时时间 (默认15秒).  --exists-action <action>    Default action when a path already exists: (s)witch, (i)gnore, (w)ipe, (b)ackup.  --cert <path>               证书.