using pip

Use pip list to list installed packages.

Use pip list --outdated --format=freeze to list outdated installed packages using the freeze list format.

explanation

• The --outdated option lists outdated packages.
• The --format=freeze option produces output that can be used with a requirements file.¹

Use sudo -H pip install --upgrade pip to upgrade pip to the newest version.

Note

• foobar represents the name of a package.

Use sudo -H pip install --upgrade foobar to upgrade an installed package to the newest version.

explanation

The --upgrade option upgrades the package to the newest version.

Use sudo -H pip uninstall foobar to uninstall a package.

Use sudo -H pip uninstall pip to uninstall pip.

licensing

No rights reserved: CC0 1.0.

prior work

• The meaning of the word “freeze” in the contect of the --format=freeze option was introduced to me by an answer on Stack Overflow by Serjik and an answer on Stack Overflow by Daniel Lahyani.
• The method of uninstalling a package with uninstall was introduced to me by an answer on Stack Overflow by The Dead Mayan.
• The method of uninstalling pip was introduced to me by a comment on GitHub by CyberMew.
• The method of upgrading an installed package was introduced to me by an answer on Stack Overflow by rbp.

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1. http://staticbackup.readthedocs.com/pip/rtd-builds/latest/usage.html#id11 ↩