r_version`.

* ``version_parts -> build_number``:  The result of
  :func:`distro.build_number`.

* ``like``:  The result of :func:`distro.like`.

* ``codename``:  The result of :func:`distro.codename`.

For a description of the *pretty* and *best* parameters, see the
:func:`distro.version` method.
)