ruby-pygments.rb binary package in Ubuntu Bionic i386

 A Ruby wrapper for the Python pygments syntax highlighter.
 .
 pygments.rb works by talking over a simple pipe to a long-lived Python child
 process. This library replaces albino, as well as a version of pygments.rb
 that used an embedded Python interpreter.
 .
 Each Ruby process that runs has its own 'personal Python'; for example, 4
 Unicorn workers will have one Python process each. If a Python process dies,
 a new one will be spawned on the next pygments.rb request.

Source package