这篇文章将为大家详细讲解有关python中安装pip工具的方法，小编觉得挺实用的，因此分享给大家做个参考，希望大家阅读完这篇文章后可以有所收获。
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下载pip
地址：https://pypi.python.org/pypi/pip#downloads
注意选择tar.gz压缩包，目前最新版本为19.1.1，这里选择的版本是：pip-19.1.1.tar.gz (md5, pgp)
点击：下载
2. 解压安装
解压下载的压缩包至工作目录下（如D:\），打开Windows cmd，运行如下命令进入解压后的pip目录
cd /d D:\pip-19.1.1
使用如下命令进行安装
python setup.py install
3. 添加环境变量
添加windows系统环境变量，与安装python时添加的方法一样
如我的python目录是：F:\Python27\;
则添加如下2个目录到系统环境变量里：F:\Python27\;F:\Python27\Scripts;
4. pip常用命令
安装成功后，重新进入CMD后运行pip，可以看到帮助文档：
Usage: pip[options] Commands: install Install packages. download Download packages. uninstall Uninstall packages. freeze Output installed packages in requirements format. list List installed packages. show Show information about installed packages. check Verify installed packages have compatible dependencies. config Manage local and global configuration. search Search PyPI for packages. wheel Build wheels from your requirements. hash Compute hashes of package archives. completion A helper command used for command completion. help Show help for commands. General Options: -h, --help Show help. --isolated Run pip in an isolated mode, ignoring environment variables and user configuration. -v, --verbose Give more output. Option is additive, and can be used up to 3 times. -V, --version Show version and exit. -q, --quiet Give less output. Option is additive, and can be used up to 3 times (corresponding to WARNING, ERROR, and CRITICAL logging levels). --log Path to a verbose appending log. --proxy Specify a proxy in the form [user:passwd@]proxy.server:port. --retries Maximum number of retries each connection should attempt (default 5 times). --timeout Set the socket timeout (default 15 seconds). --exists-action Default action when a path already exists: (s)witch, (i)gnore, (w)ipe, (b)ackup, (a)bort. --trusted-host Mark this host as trusted, even though it does not have valid or any HTTPS. --cert Path to alternate CA bundle. --client-cert Path to SSL client certificate, a single file containing the private key and the certificate in PEM format. --cache-dir Store the cache data in . --no-cache-dir Disable the cache. --disable-pip-version-check Don't periodically check PyPI to determine whether a new version of pip is available for download. Implied with --no-index. --no-color Suppress colored output
pip常用命令如下：
#安装包 pip install xxx #升级包，可以使用-U 或者 --upgrade pip install -U xxx #卸载包 pip uninstall xxx #列出已安装的包 pip list
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