human
Complete this python program:
def Deserializer(object_list, **options):
assistant
#Here is the Python code you requested.

    """Deserialize simple Python objects back into Django ORM instances.
    It\s expected that you pass the Python objects themselves (instead of a
    stream or a string) to the constructor
    """
    db = options.pop('using', DEFAULT_DB_ALIAS)
    models.get_apps()
    for d in object_list:
        Model = _get_model(d['model'])
        data = {Model._meta.pk.attname: Model._meta.pk.to_python(d['pk'])}
        m2m_data = {}
        for (field_name, field_value) in d['fields'].iteritems():
            if isinstance(field_value, str):
                field_value = smart_unicode(field_value, options.get('encoding', settings.DEFAULT_CHARSET), strings_only=True)
            field = Model._meta.get_field(field_name)
            if (field.rel and isinstance(field.rel, models.ManyToManyRel)):
                if hasattr(field.rel.to._default_manager, 'get_by_natural_key'):
                    def m2m_convert(value):
                        if hasattr(value, '__iter__'):
                            return field.rel.to._default_manager.db_manager(db).get_by_natural_key(*value).pk
                        else:
                            return smart_unicode(field.rel.to._meta.pk.to_python(value))
                else:
                    m2m_convert = (lambda v: smart_unicode(field.rel.to._meta.pk.to_python(v)))
                m2m_data[field.name] = [m2m_convert(pk) for pk in field_value]
            elif (field.rel and isinstance(field.rel, models.ManyToOneRel)):
                if (field_value is not None):
                    if hasattr(field.rel.to._default_manager, 'get_by_natural_key'):
                        if hasattr(field_value, '__iter__'):
                            obj = field.rel.to._default_manager.db_manager(db).get_by_natural_key(*field_value)
                            value = getattr(obj, field.rel.field_name)
                            if field.rel.to._meta.pk.rel:
                                value = value.pk
                        else:
                            value = field.rel.to._meta.get_field(field.rel.field_name).to_python(field_value)
                        data[field.attname] = value
                    else:
                        data[field.attname] =...