def add_parser(self, kw, func):
        if kw in self.__parsers:
            raise ParserRedefined(kw)
        
        self.__parsers[kw] = func
Add a function to parse a request, get an object, and store it in
dataset/ETHPy150Open fp7-ofelia/ocf/expedient/src/python/expedient/common/middleware/threadlocals.py/ThreadLocals.add_parser