How to use the jsonpickle.tags function in jsonpickle

# At this stage, we only handle the case where __reduce__ returns a string
                    # other reduce functionality is implemented further down
                    if isinstance(reduce_val, (str, unicode)):
                        varpath = iter(reduce_val.split('.'))
                        # curmod will be transformed by the loop into the value to pickle
                        curmod = sys.modules[next(varpath)]
                        for modname in varpath:
                            curmod = getattr(curmod, modname)
                            # replace obj with value retrieved
                        return self._flatten(curmod)
                except KeyError:
                    # well, we can't do anything with that, so we ignore it
                    pass

            if has_getnewargs_ex:
                data[tags.NEWARGSEX] = list(map(self._flatten, obj.__getnewargs_ex__()))

            if has_getnewargs and not has_getnewargs_ex:
                data[tags.NEWARGS] = self._flatten(obj.__getnewargs__())

            if has_getinitargs:
                data[tags.INITARGS] = self._flatten(obj.__getinitargs__())

        if has_getstate:
            try:
                state = obj.__getstate__()
            except TypeError:
                # Has getstate but it cannot be called, e.g. file descriptors
                # in Python3
                self._pickle_warning(obj)
                return None
            else:

if util.is_iterator(obj):
            # force list in python 3
            data[tags.ITERATOR] = list(map(self._flatten, islice(obj, self._max_iter)))
            return data

        if reduce_val and not isinstance(reduce_val, (str, unicode)):
            # at this point, reduce_val should be some kind of iterable
            # pad out to len 5
            rv_as_list = list(reduce_val)
            insufficiency = 5 - len(rv_as_list)
            if insufficiency:
                rv_as_list+=[None]*insufficiency

            if rv_as_list[0].__name__ == '__newobj__':
                rv_as_list[0] = tags.NEWOBJ

            data[tags.REDUCE] = list(map(self._flatten, rv_as_list))

            # lift out iterators, so we don't have to iterator and uniterator their content
            # on unpickle
            if data[tags.REDUCE][3]:
                data[tags.REDUCE][3] = data[tags.REDUCE][3][tags.ITERATOR]

            if data[tags.REDUCE][4]:
                data[tags.REDUCE][4] = data[tags.REDUCE][4][tags.ITERATOR]

            return data

        if has_dict:
            # Support objects that subclasses list and set
            if util.is_sequence_subclass(obj):

def _mktyperef(obj):
    """Return a typeref dictionary

    >>> _mktyperef(AssertionError) == {'py/type': 'builtins.AssertionError'}
    True

    """
    return {tags.TYPE: util.importable_name(obj)}

def _restore(self, obj):
        if has_tag(obj, tags.ID):
            restore = self._restore_id
        elif has_tag(obj, tags.REF): # Backwards compatibility
            restore = self._restore_ref
        elif has_tag(obj, tags.ITERATOR):
            restore = self._restore_iterator
        elif has_tag(obj, tags.TYPE):
            restore = self._restore_type
        elif has_tag(obj, tags.REPR): # Backwards compatibility
            restore = self._restore_repr
        elif has_tag(obj, tags.REDUCE):
            restore = self._restore_reduce
        elif has_tag(obj, tags.OBJECT):
            restore = self._restore_object
        elif has_tag(obj, tags.FUNCTION):
            restore = self._restore_function
        elif util.is_list(obj):

def _getref(self, obj):
        return {tags.ID: self._objs.get(id(obj))}

def _restore_object_instance_variables(self, obj, instance):
        self._restore_from_dict(obj, instance)

        # Handle list and set subclasses
        if has_tag(obj, tags.SEQ):
            if hasattr(instance, 'append'):
                for v in obj[tags.SEQ]:
                    instance.append(self._restore(v))
            if hasattr(instance, 'add'):
                for v in obj[tags.SEQ]:
                    instance.add(self._restore(v))

        if has_tag(obj, tags.STATE):
            instance = self._restore_state(obj, instance)

        return instance

# check that getstate/setstate is sane
                if not (state and hasattr(obj, '__getstate__')
                        and not hasattr(obj, '__setstate__')
                        and not isinstance(obj, dict)):
                    # turn iterators to iterables for convenient serialization
                    if rv_as_list[3]:
                        rv_as_list[3] = tuple(rv_as_list[3])

                    if rv_as_list[4]:
                        rv_as_list[4] = tuple(rv_as_list[4])

                    reduce_args = list(map(self._flatten, rv_as_list))
                    last_index = len(reduce_args) - 1
                    while last_index >= 2 and reduce_args[last_index] is None:
                        last_index -= 1
                    data[tags.REDUCE] = reduce_args[:last_index+1]

                    return data

        if has_class and not util.is_module(obj):
            if self.unpicklable:
                data[tags.OBJECT] = class_name

            if has_getnewargs_ex:
                data[tags.NEWARGSEX] = list(
                    map(self._flatten, obj.__getnewargs_ex__()))

            if has_getnewargs and not has_getnewargs_ex:
                data[tags.NEWARGS] = self._flatten(obj.__getnewargs__())

            if has_getinitargs:
                data[tags.INITARGS] = self._flatten(obj.__getinitargs__())

if util.is_dictionary_subclass(obj):
            return self._flatten_dict_obj(obj, data)

        if util.is_noncomplex(obj):
            return [self.flatten(v) for v in obj]

        if has_dict:
            # Support objects that subclasses list and set
            if util.is_collection_subclass(obj):
                return self._flatten_collection_obj(obj, data)

            # Support objects with __getstate__(); this ensures that
            # both __setstate__() and __getstate__() are implemented
            if has_getstate_support:
                data[tags.STATE] = self.flatten(obj.__getstate__())
                return data

            # hack for zope persistent objects; this unghostifies the object
            getattr(obj, '_', None)
            return self._flatten_dict_obj(obj.__dict__, data)

        if has_slots:
            return self._flatten_newstyle_with_slots(obj, data)

def getargs(obj):
    """Return arguments suitable for __new__()"""
    # Let saved newargs take precedence over everything
    if has_tag(obj, tags.NEWARGSEX):
        raise ValueError("__newargs_ex__ returns both args and kwargs")

    if has_tag(obj, tags.NEWARGS):
        return obj[tags.NEWARGS]

    if has_tag(obj, tags.INITARGS):
        return obj[tags.INITARGS]

    try:
        seq_list = obj[tags.SEQ]
        obj_dict = obj[tags.OBJECT]
    except KeyError:
        return []
    typeref = loadclass(obj_dict)
    if not typeref:
        return []
    if hasattr(typeref, '_fields'):
        if len(typeref._fields) == len(seq_list):
            return seq_list

def _getref(self, obj):
        return {tags.ID: self._objs.get(id(obj))}