Show help.

(environment variable: PIP_HELP)

Let unhandled exceptions propagate outside the main subroutine, instead of logging them to stderr.

(environment variable: PIP_DEBUG)

Run pip in an isolated mode, ignoring environment variables and user configuration.

(environment variable: PIP_ISOLATED)

Allow pip to only run in a virtual environment; exit with an error otherwise.

(environment variable: PIP_REQUIRE_VIRTUALENV, PIP_REQUIRE_VENV)

Run pip with the specified Python interpreter.

(environment variable: PIP_PYTHON)

Give more output. Option is additive, and can be used up to 3 times.

(environment variable: PIP_VERBOSE)

Show version and exit.

(environment variable: PIP_VERSION)

Give less output. Option is additive, and can be used up to 3 times (corresponding to WARNING, ERROR, and CRITICAL logging levels).

(environment variable: PIP_QUIET)

Path to a verbose appending log.

(environment variable: PIP_LOG, PIP_LOG_FILE, PIP_LOCAL_LOG)

Disable prompting for input.

(environment variable: PIP_NO_INPUT)

Enable the credential lookup via the keyring library if user input is allowed. Specify which mechanism to use [disabled, import, subprocess]. (default: disabled)

(environment variable: PIP_KEYRING_PROVIDER)

Specify a proxy in the form scheme://[user:passwd@]proxy.server:port.

(environment variable: PIP_PROXY)

Maximum number of retries each connection should attempt (default 5 times).

(environment variable: PIP_RETRIES)

Set the socket timeout (default 15 seconds).

(environment variable: PIP_TIMEOUT, PIP_DEFAULT_TIMEOUT)

Default action when a path already exists: (s)witch, (i)gnore, (w)ipe, (b)ackup, (a)bort.

(environment variable: PIP_EXISTS_ACTION)

Mark this host or host:port pair as trusted, even though it does not have valid or any HTTPS.

(environment variable: PIP_TRUSTED_HOST)

Path to PEM-encoded CA certificate bundle. If provided, overrides the default. See ‘SSL Certificate Verification’ in pip documentation for more information.

(environment variable: PIP_CERT)

Path to SSL client certificate, a single file containing the private key and the certificate in PEM format.

(environment variable: PIP_CLIENT_CERT)

Store the cache data in <dir>.

(environment variable: PIP_CACHE_DIR)

Disable the cache.

(environment variable: PIP_NO_CACHE_DIR)

Don’t periodically check PyPI to determine whether a new version of pip is available for download. Implied with --no-index.

(environment variable: PIP_DISABLE_PIP_VERSION_CHECK)

Suppress colored output.

(environment variable: PIP_NO_COLOR)

Silence deprecation warnings for upcoming unsupported Pythons.

(environment variable: PIP_NO_PYTHON_VERSION_WARNING)

Enable new functionality, that may be backward incompatible.

(environment variable: PIP_USE_FEATURE)

Enable deprecated functionality, that will be removed in the future.

(environment variable: PIP_USE_DEPRECATED)