pip了解

Posted 2022-11-09 ych9527

文章目录

• 一、pip是什么
• 二、pip的使用

一、pip是什么

• pip是Python的包安装程序
• 也可以说pip是Python标准库的一个包，只不过这个包可以管理Python标准库之中其它的包
• pip 是一个命令行程序。 安装 pip 后，会向系统添加一个 pip 命令，该命令可以从命令提示符运行

二、pip的使用

• 命令行输入pip + 回车，出现使用说明

  [ych@2ec71362f5e6 ~/Python-3.6.4]$ pip
  
  Usage:
    pip <command> [options]
  
  Commands:
    install                     #安装软件包
    download                    #下载包
    uninstall                   #卸载包
    freeze                      #输出已安装的包(带版本号)
    list                        #已安装的包;
    show                        #显示包的详细信息
    check                       #验证已安装的包是否有兼容选项
    config                      #管理本地和全局配置
    search                      #在pypi中搜索包
    cache                       #检查和管理匹配的库
    index                       Inspect information available from package indexes.
    wheel                       Build wheels from your requirements.
    hash                        Compute hashes of package archives.
    completion                  A helper command used for command completion.
    debug                       Show information useful for debugging.
    help                        Show help for commands.
  
  General Options:
    -h, --help                  Show help.
    --debug                     Let unhandled exceptions propagate outside the main subroutine, instead of logging them to stderr.
    --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>                Path to a verbose appending log.
    --no-input                  Disable prompting for input.
    --proxy <proxy>             Specify a proxy in the form [user:passwd@]proxy.server:port.
    --retries <retries>         Maximum number of retries each connection should attempt (default 5 times).
    --timeout <sec>             Set the socket timeout (default 15 seconds).
    --exists-action <action>    Default action when a path already exists: (s)witch, (i)gnore, (w)ipe, (b)ackup, (a)bort.
    --trusted-host <hostname>   Mark this host or host:port pair as trusted, even though it does not have valid or any HTTPS.
    --cert <path>               Path to PEM-encoded CA certificate bundle. If provided, overrides the default. See 'SSL Certificate Verification' in pip
                                documentation for more information.
    --client-cert <path>        Path to SSL client certificate, a single file containing the private key and the certificate in PEM format.
    --cache-dir <dir>           Store the cache data in <dir>.
    --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.
    --no-python-version-warning
                                Silence deprecation warnings for upcoming unsupported Pythons.
    --use-feature <feature>     Enable new functionality, that may be backward incompatible.
    --use-deprecated <feature>  Enable deprecated functionality, that will be removed in the future.