Linux Command Library
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py3versions

print python3 version information

py3versions [-h] [-v] [<options>]

py3versions prints information about installed, supported python3 runtimes, the default runtime, and parses the information of the PythonVersion fields in the package control file for Python3.

-d, --default

Show the default python3 version.

-s, --supported

Show the supported python3 versions.

-r, --requested [<version string>|<control file>]

Reads the value of the X-Python3-Version field in the source section of a control file and shows all matching python3 versions. The parameter is interpreted as a version string, if it is not the name of a file. If the X-Python3-Version field is missing, it will fall back to list the supported Python3 versions after checking debian/control. Versions less than 3 are ignored. The keyword all is ignored because it covers all Python2 versions. The former keyword current is not supported at all in Python3.

-i, --installed

Show the installed supported python3 versions.

-v, --version

Limit the output to the version numbers of the python3 versions.

-h, --help

Print a help text.

Python policy.

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