pyscheme 0.0.3

Minimal r7rs scheme python library with a repl. Made by gpt, maintained by a human.

Minimal r7rs scheme python library with a repl. Made by gpt, maintained by human.

Warning

Under heavy development, use it at your own risk.

Install

pip install pyscheme

You may try latest features by using git to install

pip install git+https://github.com/dbian/pyscheme.git

Implemented Features

• lexical scope let
• begin, if, lambda, define... etc.
• REPL, with clojure like *1 *2 *3 result cache support
• install_func to extend scheme language, you can use it to install global variables too.
• single line comment, start with ;
• more

Usage

import pyscheme.scheme as sc
env = sc.new_env()
assert sc.run("(define bb (lambda (aa) (+ aa 2))) (bb 5)", env) == 7

def str_format_func(f, *args):
    return f % args
sc.install_func("format", str_format_func)

Todo

• macros system
• better token parsing
  • string support whitespace ( )
  • quote ' support
• clojure pipeline operator support
• module system
• more