def get_os(cls):
map_dict = get_parent('id', 'b_base_os')
return cls._filter(map_dict)
def get_carriername(cls):
map_dict1 = get_parent('id', 'b_base_operator', parent_field='categoryId')
map_dict2 = get_parent('id', 'b_base_operator_category', parent_field='parentId')
return cls._filter(map_dict1, map_dict2)
def get_devicemodel(cls):
map_dict = get_parent('id', 'b_base_device')
return cls._filter(map_dict)
def get_citys(cls):
map_dict = get_parent('id', 'b_base_geo')
return cls._filter(map_dict)
