def setParseAction( self, *fns, **kwargs ):
        self.parseAction = list(map(_trim_arity, list(fns)))
        self.callDuringTry = kwargs.get("callDuringTry", False)
        return self
Define action to perform when successfully matching parse element definition.
dataset/ETHPy150Open pypa/pip/pip/_vendor/pyparsing.py/ParserElement.setParseAction