py3versions
List installed Python 3 interpreter versions
TLDR
List installed Python 3 versions
$ py3versions -i
Show supported versions$ py3versions -s
Show default version$ py3versions -d
Show all versions$ py3versions -v
SYNOPSIS
py3versions [options]
DESCRIPTION
py3versions reports information about Python 3 interpreter versions available on Debian and Ubuntu systems. It distinguishes between installed versions, supported versions for the distribution, and the default version used by the system.
The tool is part of Debian's python3-minimal package and is primarily used by packaging tools and maintainer scripts to determine which Python versions to compile against or clean up. The -i flag shows installed versions, -s shows supported versions, and -d shows the default.
PARAMETERS
-i
Installed versions.-s
Supported versions.-d
Default version.-v
All versions info.-r
Requested versions.
CAVEATS
Debian/Ubuntu specific. Part of python3-minimal.
HISTORY
py3versions is a Debian utility for Python 3 version management.
SEE ALSO
python3(1), pyversions(1), update-alternatives(1)