Simple python lisp parser using shlex

lisp-parser1.py

#!/usr/bin/env python
import shlex, pprint

text = """
(define mauri (lambda (x y) 
	(+ x y)
	)
)
(display (mauri 1 2) )
"""

lexer = shlex.shlex( text )

stack = []
bucket = []

for token in lexer:

	if token == "(":
		stack.append( list( bucket ) )
		bucket = []

	elif token == ")":
		old_bucket = stack.pop()
		old_bucket.append( list( bucket ) )
		bucket = old_bucket

	else:
		bucket.append( token )

pprint.pprint( bucket )