Python PLY 3.10

It is a Python implementation of lex and yacc parsing tools, entirely written in Python with LR-parsing, which is efficient and ideal for handling larger grammars. PLY includes various features, such as support for empty productions, precedence rules, error recovery, and handling ambiguous grammars.

PLY is an implementation of lex and yacc parsing tools for Python.

Main Features:

- It's implemented entirely in Python.

- It uses LR-parsing which is reasonably efficient and well suited for larger grammars.

- PLY provides most of the standard lex/yacc features including support for empty productions, precedence rules, error recovery, and support for ambiguous grammars.

- PLY is straightforward to use and provides very extensive error checking.