pip模块

pip模块

Usage:
  pip <command> [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>                    Path to a verbose appending log.
  --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 as trusted, even though it does not have valid or any HTTPS.
  --cert <path>                   Path to alternate CA bundle.
  --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

1、显示模块

pip list

2、显示过期模块

pip list --outdated

3、安装模块

pip install numpy pandas

4、卸载模块

pip uninstall numpy

5、升级模块

pip install --upgrade numpy

6、更新pip

python -m pip install --upgrade pip

7、把已有的包升级（如果以前有旧版本）

pip install -U scipy --user