python4ply python4ply is a Python parser for the Python language. The grammar definition uses PLY, a parser system for Python modelled on yacc/lex. The parser rules use the "compiler" module from the standard library to build a Python AST and to generate byte code for .pyc file.
You might use python4ply to experiment with variations in the Python language. By laughingboyin Public bookmarkswith librariespythontbutools