pip

Usage:   
  pip3 <command> [options]

Commands:
  install                     Install packages.
  lock                        Generate a lock file.
  download                    Download packages.
  uninstall                   Uninstall packages.
  freeze                      Output installed packages in requirements format.
  inspect                     Inspect the python environment.
  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.
  cache                       Inspect and manage pip's wheel cache.
  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.
  --require-virtualenv        Allow pip to only run in a virtual environment; exit with
                              an error otherwise.
  --python <python>           Run pip with the specified Python interpreter.
  -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.
  --keyring-provider <keyring_provider>
                              Enable the credential lookup via the keyring library if
                              user input is allowed. Specify which mechanism to use
                              [auto, disabled, import, subprocess]. (default: auto)
  --proxy <proxy>             Specify a proxy in the form
                              scheme://[user:passwd@]proxy.server:port.
  --retries <retries>         Maximum attempts to establish a new HTTP connection.
                              (default: 5)
  --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.
  --use-feature <feature>     Enable new functionality, that may be backward
                              incompatible.
  --use-deprecated <feature>  Enable deprecated functionality, that will be removed in
                              the future.
  --resume-retries <resume_retries>
                              Maximum attempts to resume or restart an incomplete
                              download. (default: 5)

pip install 的路径:
可通过python -m site 以及 pip -V或pip list -v查看.

• 系统环境
  • homebrew: /opt/homebrew/lib/python3.14/site-packages
  • USER_SITE: /Users/mac/Library/Python/3.14/site-packages
• conda
  • envs: ${CONDA_PREFIX}/lib/python3.14/site-packages
  • USER_SITE: ~/.local/lib/python3.14/site-packages
• 虚环境