SOAP服务运行失败：ModuleNotFoundError: spyne.util.six.moves模块缺失

我编写了一段基于Spyne的SOAP服务代码，用于判断数字的奇偶性，运行时出现报错，提示ModuleNotFoundError: No module named 'spyne.util.six.moves'，重新安装Spyne后问题仍未解决。

代码示例 #

from spyne import ServiceBase, Application, rpc, Integer, String
from spyne.protocol.soap import Soap11
from spyne.server.wsgi import WsgiApplication
from wsgiref.simple_server import make_server

class OddOrEvenService(ServiceBase):

    @rpc(Integer, _returns=String)
    def oddOrEven(self, num):
        if num % 2 == 0:
            return "even"
        else:
            return "odd"
 

application = Application([OddOrEvenService], 'my.soap.app',
        in_protocol=Soap11(),
        out_protocol=Soap11(),
    )

wsgi_app = WsgiApplication(application)
server = make_server('127.0.0.1', 7789, wsgi_app)

print ("listening to http://127.0.0.1:7789")
print ("wsdl is at: http://localhost:7789/?wsdl")

server.serve_forever()

报错信息 #

Traceback (most recent call last):
File "d:\Studii IT\Cursuri\First_SOAP_project.py", line 1, in <module>
from spyne import ServiceBase, Application, rpc, Integer, String
File"C:\Users\Enter83\AppData\Local\Programs\Python\Python312\Lib\site-packages\spyne\__init__.py", line 39, in <module>    
from spyne.evmgr import EventManager
File "C:\Users\Enter83\AppData\Local\Programs\Python\Python312\Lib\site-packages\spyne\evmgr.py", line 21, in <module>   
from spyne.util.oset import oset
File "C:\Users\Enter 83\AppData\Local\Programs\Python\Python312\Lib\site-packages\spyne\util\oset.py", line 3, in <module>
from spyne.util.six.moves.collections_abc import MutableSet
ModuleNotFoundError: No module named 'spyne.util.six.moves'

解决方案 #

• 根本原因：Spyne稳定版与Python 3.12存在兼容性问题，spyne.util.six模块的导入结构未适配Python 3.12的环境。
• 方案1：安装Spyne开发版
  官方稳定版暂未完全适配Python 3.12，可直接安装最新开发分支：

  pip install git+https://github.com/arskom/spyne.git
  

• 方案2：降级Python版本
  将Python版本降至3.11或更低，再重新安装Spyne稳定版：

  pip install spyne
  

• 方案3：手动修复导入（不推荐）
  先安装six库：

  pip install six
  

  找到Python环境中spyne/util/oset.py文件，将导入语句修改为：

  from six.moves.collections_abc import MutableSet
  

内容的提问来源于stack exchange，提问作者SPGA