PYRSER
Pyrser is a toolbox with : A PEG parser, AST rewriting helpers and Type System.
Pyrser is a python module that help you for all parsing job. You could use a EDSL (with here docs) for writing your BNF. But you could also use Python Class to describe your grammar.
Pyrser is available on Pypi with documentation here (http://pythonhosted.org/pyrser/).
This toolbox was developed for pedagogic purpose for EPITECH (http://www.epitech.eu).
Where ?
Pyrser is available on PYPI <https://pypi.python.org/pypi/pyrser/>
What ?
Pyrser documentation is Here <http://pythonhosted.org/pyrser/index.html>
Example ?
Here <http://pythonhosted.org/pyrser/tutorial1.html#final-json-parser> you could found an example of a JSON parser.