author:

• Marco Heisig title: 'A library for cross-language interoperability.'

The lang module/system/library can be loaded from multiple programming languages to seamlessly integrate all the other supported ones. The currently supported languages are Python and Lisp.

Installation

Requires libsbcl in your library path if you want to load Lisp into Python.

Requires libpython3.11 or later in your library path if you want to load Python into Lisp.

Showcases

(in-package #:cl-user)
(sb-ext:add-package-local-nickname '#:python '#:lang.python)

(python:list #(1 2.0 #c(3 4) "5 6"))
 => [1, 2.0, #C(3 4) "5 6"]

(python:tuple (python:map #'class-of *))
 => (<class 'lang.common-lisp.fixnum'>,
     <class 'lang.common-lisp.single-float'>,
     <class 'lang.common-lisp.complex'>,
     <class 'lang.sb-kernel.simple-character-string'>)

(python:getitem (python:dir 42) (python:slice 5))
 => ['__class__', '__bool__', '__and__', '__add__', '__abs__']

(python:isinstance (python:getitem (python:dir 42) 0) (find-class 'python:str))
 => True

(typep (python:getitem (python:dir 42) 0) 'python:str)
 => t