human
Can you provide a the Python code you requested given the following:
Complete the below
def json_encode(data, *args, **kwargs):

    ''''The main issues with django\'s default json serializer is that properties that
    had been added to an object dynamically are being ignored (and it also has
    problems with some models).'
    '''
assistant
#Here is the Python code you requested.
    def _any(data):
        ret = None
        if hasattr(data, 'canonical'):
            ret = _any(data.canonical())
        elif isinstance(data, list):
            ret = _list(data)
        elif isinstance(data, set):
            ret = _list(list(data))
        elif isinstance(data, dict):
            ret = _dict(data)
        elif isinstance(data, (Decimal, ObjectId)):
            ret = str(data)
        elif isinstance(data, models.query.QuerySet):
            ret = _list(data)
        elif isinstance(data, MongoQuerySet):
            ret = _list(data)
        elif isinstance(data, models.Model):
            ret = _model(data)
        elif isinstance(data, basestring):
            ret = smart_unicode(data)
        elif isinstance(data, Exception):
            ret = unicode(data)
        elif isinstance(data, Promise):
            ret = force_unicode(data)
        elif (isinstance(data, datetime.datetime) or isinstance(data, datetime.date)):
            ret = str(data)
        elif hasattr(data, 'to_json'):
            ret = data.to_json()
        else:
            ret = data
        return ret
    def _model(data):
        ret = {}
        for f in data._meta.fields:
            ret[f.attname] = _any(getattr(data, f.attname))
        fields = (dir(data.__class__) + ret.keys())
        add_ons = [k for k in dir(data) if (k not in fields)]
        for k in add_ons:
            ret[k] = _any(getattr(data, k))
        return ret
    def _list(data):
        ret = []
        for v in data:
            ret.append(_any(v))
        return ret
    def _dict(data):
        ret = {}
        for (k, v) in data.items():
            ret[str(k)] = _any(v)
        return ret
    if hasattr(data, 'to_json'):
        data = data.to_json()
    ret = _any(data)
    return json.dumps(ret)