pip3

A tool for installing and managing Python packages

TLDR

Find available packages

>_ pip3 search [package_name]
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Install a package

>_ pip3 install [package_name]
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Install a specific version of a package

>_ pip3 install [package_name]==[package_version]
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Upgrade a package

>_ pip3 install --upgrade [package_name]
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Uninstall a package

>_ pip3 uninstall [package_name]
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Save the list of installed packages to a file

>_ pip3 freeze > [requirements.txt]
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Install packages from a file

>_ pip3 install --requirements [requirements.txt]
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Show installed package info

>_ pip3 show [package_name]
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SYNOPSIS

pip [options] pip3 [options]

DESCRIPTION

pip is a Python package installer, recommended for installing Python packages which are not available in the Debian archive. It can work with version control repositories (currently only Git, Mercurial, and Bazaar repositories), logs output extensively, and prevents partial in‐ stalls by downloading all requirements before starting installation. On Debian, pip is the command to use when installing packages for Python 2, while pip3 is the command to use when installing packages for Python 3.

COMMANDS

The command comes before any options. The following commands are rec‐ ognized: help Show help for commands. install Install packages. uninstall Uninstall packages. freeze Output installed packages in requirements format. list List installed packages. show Show information about installed packages. search Search PyPI for packages. wheel Build wheels from your requirements.

GENERAL OPTIONS

This list is by no means complete, and it only describes options avail‐ able to all commands. Use pip --help for more details on command specific options. A few command options are provided below. -h, --help Show more detailed command help. -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. --log-file Path to a verbose non-appending log, that only logs failures. This log is active by default at ~/.pip/pip.log. --log Path to a verbose appending log. This log is inactive by de‐ fault. --proxy Specify a proxy in the form [user:passwd@]proxy.server:port. --timeout Set the socket timeout (default 15 seconds). --exists-action Default action when a path already exists: (s)witch, (i)gnore, (w)ipe, (b)ackup. --cert Path to alternate CA bundle.

INSTALL OPTIONS

pip install installs packages from: • PyPI (a.k.a. The Cheeseshop) and other indexes, using requirements specifiers. • VCS project urls. • Local project directories. • Local or remote source archives -e,--editable Install a project in editable mode (i.e. setuptools "develop mode") from a local project path or a VCS url. -r,--requirement Install from the given requirements file. This option can be used multiple times. -b,--build

Directory to unpack packages into and build in. The default in a virtualenv is "/build". The default for global in‐ stalls is "/pip_build_". -t,--target Install packages into . -d,--download Download packages into instead of installing them, regard‐ less of what's already installed. --download-cache Cache downloaded packages in . --src Directory to check out editable projects into. The default in a virtualenv is "/src". The default for global in‐ stalls is "/src". -U, --upgrade Upgrade all packages to the newest available version. This process is recursive regardless of whether a dependency is al‐ ready satisfied. --force-reinstall When upgrading, reinstall all packages even if they are already up-to-date. -I, --ignore-installed Ignore the installed packages (reinstalling instead). --no-deps Don't install package dependencies. --install-option Extra arguments to be supplied to the setup.py install command (use like --install-option ="--install-scripts=/usr/local/bin"). Use multiple --install-option options to pass multiple options to setup.py install. If you are using an option with a directory path, be sure to use absolute path. --global-option Extra global options to be supplied to the setup.py call before the install command. --user Install using the user scheme. --egg Install packages as eggs, not 'flat', like pip normally does. This option is not about installing from eggs. (WARNING: Because this option overrides pip's normal install logic, requirements files may not behave as expected.) --root Install everything relative to this alternate root directory. --compile Compile py files to pyc. --no-compile Do not compile py files to pyc. --no-use-wheel Do not find and prefer wheel archives when searching indexes and find-links locations. --pre Include pre-release and development versions. By default, pip only finds stable versions. --no-clean Don't clean up build directories. Package Index Options: -i,--index-url Base URL of Python Package Index (default https://pypi.python.org/simple/). --extra-index-url Extra URLs of package indexes to use in addition to --index-url. --no-index Ignore package index (only looking at --find-links URLs in‐ stead). -f,--find-links If a url or path to an html file, then parse for links to ar‐ chives. If a local path or file:// url that's a directory, then look for archives in the directory listing. --allow-external Allow the installation of externally hosted files --allow-all-external Allow the installation of all externally hosted files --allow-unverified Allow the installation of insecure and unverifiable files --process-dependency-links Enable the processing of dependency links.

UNINSTALL OPTIONS

pip is able to uninstall most installed packages. Known exceptions are: • Pure distutils packages installed with python setup.py install, which leave behind no metadata to determine what files were in‐ stalled. • Script wrappers installed by python setup.py develop. -r,--requirement Uninstall all the packages listed in the given requirements file. This option can be used multiple times. -y, --yes Don't ask for confirmation of uninstall deletions.

AUTHORS

This manual page was originally written by Jeff Licquia <‐ licquia@debian.org>, later rewritten by Carl Chenet <‐ chaica@debian.org>. It was rewritten again and the source converted to reStructuredText by Barry Warsaw . Permission is granted to copy, distribute and/or modify this document under the terms of the GNU General Public License, version 3 or any later version published by the Free Software Foundation.

AUTHOR

Barry Warsaw

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