How to use the environs.__init__.ParserConflictError function in environs

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github sloria / environs / environs / View on Github external
def add_parser(self, name: _StrType, func: typing.Callable) -> None:
        """Register a new parser method with the name ``name``. ``func`` must
        receive the input value for an environment variable.
        if hasattr(self, name):
            raise ParserConflictError(
                "Env already has a method with name '{}'. Use a different name.".format(name)
        self.__custom_parsers__[name] = _func2method(func, method_name=name)
        return None