def _expressions_from_rules(self, rules, custom_rules):
        tree = rule_grammar.parse(rules)
        return RuleVisitor(custom_rules).visit(tree)
Try to extract a message from the given bytes.
dataset/ETHPy150Open erikrose/parsimonious/parsimonious/grammar.py/Grammar._expressions_from_rules--crossover with--dataset/ETHPy150Open osrg/ryu/ryu/lib/packet/stream_parser.py/StreamParser.try_parse