gistfile1.txt

booger:python_in_ruby evan$ irb
jruby-1.7.19 :001 > require 'ffi'
 => false 
jruby-1.7.19 :002 > module Python
jruby-1.7.19 :003?>   extend FFI::Library
jruby-1.7.19 :004?>   ffi_lib 'python'
jruby-1.7.19 :005?>   attach_function 'Py_Initialize', [], :void
jruby-1.7.19 :006?>   attach_function 'PyRun_SimpleString', [:string], :int
jruby-1.7.19 :007?>   end
 => #<#<Class:0x56aac163> address=0x122202b70 size=0> 
jruby-1.7.19 :008 > Python.Py_Initialize
 => nil 
jruby-1.7.19 :009 > Python.PyRun_SimpleString "print 1 + 1"
2
 => 0 
jruby-1.7.19 :010 > Python.PyRun_SimpleString "print map(lambda x: x*x, range(10))"
[0, 1, 4, 9, 16, 25, 36, 49, 64, 81]
 => 0