- -h, --help
 - 
Show help.
(environment variable: PIP_HELP)
 - --debug
 - 
Let unhandled exceptions propagate outside the main subroutine, instead of logging them to stderr.
(environment variable: PIP_DEBUG)
 - --isolated
 - 
Run pip in an isolated mode, ignoring environment variables and user configuration.
(environment variable: PIP_ISOLATED)
 - --require-virtualenv
 - 
Allow pip to only run in a virtual environment; exit with an error otherwise.
(environment variable: PIP_REQUIRE_VIRTUALENV, PIP_REQUIRE_VENV)
 - --python <python>
 - 
Run pip with the specified Python interpreter.
(environment variable: PIP_PYTHON)
 - -v, --verbose
 - 
Give more output. Option is additive, and can be used up to 3 times.
(environment variable: PIP_VERBOSE)
 - -V, --version
 - 
Show version and exit.
(environment variable: PIP_VERSION)
 - -q, --quiet
 - 
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)
 - --log <path>
 - 
Path to a verbose appending log.
(environment variable: PIP_LOG, PIP_LOG_FILE, PIP_LOCAL_LOG)
 - --no-input
 - 
Disable prompting for input.
(environment variable: PIP_NO_INPUT)
 - --keyring-provider <keyring_provider>
 - 
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)
 - --proxy <proxy>
 - 
Specify a proxy in the form scheme://[user:passwd@]proxy.server:port.
(environment variable: PIP_PROXY)
 - --retries <retries>
 - 
Maximum number of retries each connection should attempt (default 5 times).
(environment variable: PIP_RETRIES)
 - --timeout <sec>
 - 
Set the socket timeout (default 15 seconds).
(environment variable: PIP_TIMEOUT, PIP_DEFAULT_TIMEOUT)
 - --exists-action <action>
 - 
Default action when a path already exists: (s)witch, (i)gnore, (w)ipe, (b)ackup, (a)bort.
(environment variable: PIP_EXISTS_ACTION)
 - --trusted-host <hostname>
 - 
Mark this host or host:port pair as trusted, even though it does not have valid or any HTTPS.
(environment variable: PIP_TRUSTED_HOST)
 - --cert <path>
 - 
Path to PEM-encoded CA certificate bundle. If provided, overrides the default. See aqSSL Certificate Verificationaq in pip documentation for more information.
(environment variable: PIP_CERT)
 - --client-cert <path>
 - 
Path to SSL client certificate, a single file containing the private key and the certificate in PEM format.
(environment variable: PIP_CLIENT_CERT)
 - --cache-dir <dir>
 - 
Store the cache data in <dir>.
(environment variable: PIP_CACHE_DIR)
 - --no-cache-dir
 - 
Disable the cache.
(environment variable: PIP_NO_CACHE_DIR)
 - --disable-pip-version-check
 - 
Donaqt 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)
 - --no-color
 - 
Suppress colored output.
(environment variable: PIP_NO_COLOR)
 - --no-python-version-warning
 - 
Silence deprecation warnings for upcoming unsupported Pythons.
(environment variable: PIP_NO_PYTHON_VERSION_WARNING)
 - --use-feature <feature>
 - 
Enable new functionality, that may be backward incompatible.
(environment variable: PIP_USE_FEATURE)
 - --use-deprecated <feature>
 - 
Enable deprecated functionality, that will be removed in the future.
(environment variable: PIP_USE_DEPRECATED)