rpclib 是一个非常好用的 python webservice 库,可以动态的生成 wsdl, 不过这个项目已经基本停止,并被一个新的项目取代 spyne,由于旧的项目 工作已经比较稳定,所以我没有贸然升级到 spyne。
我在 rpclib 编写 service 方法时,遇到一个奇怪的错误: 访问 wsdl (http://localhost:9898/?wsdl) 页面,返回 502 Bad Gateway。
在日志中看到如下错误信息:
我检查了代码,对比了之前可以工作的版本,发现并没有什么不对的地方。
@srpc(RequestModel, _returns=Unicode) def shenzhen(request): """ 根据传入的token、车牌号及车驾号,以及验证码 查询该车辆的违章记录 """ logging.info(request) query = ShenZhenQuery(request) return query.query_car_records()
但就是没有正确生成 wsdl,后来我删除了方法内所有的内容(包括注释),只留下一条返回 unicode 字符串的语句,然后就工作正常了,但是当我加入了方法的文档注释后,又出来了之前的错误,于是我 怀疑到了注释上:中文的注释,却没有使用 unicode 字符串,于是使用 u"" 中文注释 """ 后,一切正常!
查看生成的 wsdl,发现原来原来 rpclib 使用注释生成了
根据传入的token、车牌号及车驾号,以及验证码 查询该车辆的违章记录
难怪一遇到中文注释就会出错!

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