Run Python code from Ruby with Fiddle

voodoo.rb

#!/usr/bin/env ruby

require 'fiddle'
require 'fiddle/import'

LIBPY = '/usr/lib64/libpython3.so'

module Py
  extend Fiddle::Importer
  dlload LIBPY
  extern 'void Py_Initialize( void )'
  extern 'int PyRun_SimpleString( const char * )'
end

Py.Py_Initialize

Py.PyRun_SimpleString("print([x*x for x in range(10)])") #=> [0, 1, 4, 9, 16, 25, 36, 49, 64, 81]
Py.PyRun_SimpleString("*s,='abcdef'; print(s)")          #=> ['a', 'b', 'c', 'd', 'e', 'f']