Which tool to use to parse programming languages in Python?

Question

Which Python tool can you recommend to parse programming languages? It should allow for a readable representation of the language grammar inside the source, and it should be abl

Answer 1

For a more complicated parser I would use pyparsing. Pyparsing

Here is the parsed example from there home page

from pyparsing import Word, alphas

greet = Word(alphas) + "," + Word(alphas) + "!"  # <-- grammar 

defined here

hello = "Hello, World!"
print(hello, "->", greet.parseString(hello))