该网站上大多数API访问点似乎都出现了问题。你的代码本身没有问题。实际上,我无法在他们自己的Web界面中得到任何请求的响应,即使使用常规浏览器也是如此。
主API文档详细介绍(以法语为例),您还可以使用
SOAP协议创建查询;Python有
几个SOAP客户端库可供选择。
然而,我尝试使用优秀的
zeep
库访问更简单的
GetMainCarMakeListByFirstDrivingDate
端点时,也没有成功。请注意,我必须使用
datetime()
对象来模拟时间戳。
>>> from zeep import Client
>>> client = Client('https://www.assurland.com/ws/CarVehiculeSearch.asmx?WSDL')
>>> client.service.GetMainCarMakeListByFirstDrivingDate(FirstDrivingDate=datetime(2015, 9, 22))
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/Users/mjpieters/Development/venvs/stackoverflow-2.7/lib/python2.7/site-packages/zeep/client.py", line 25, in __call__
self._op_name, args, kwargs)
File "/Users/mjpieters/Development/venvs/stackoverflow-2.7/lib/python2.7/site-packages/zeep/wsdl/bindings/soap.py", line 109, in send
return self.process_reply(client, operation_obj, response)
File "/Users/mjpieters/Development/venvs/stackoverflow-2.7/lib/python2.7/site-packages/zeep/wsdl/bindings/soap.py", line 145, in process_reply
return self.process_error(doc, operation)
File "/Users/mjpieters/Development/venvs/stackoverflow-2.7/lib/python2.7/site-packages/zeep/wsdl/bindings/soap.py", line 223, in process_error
detail=fault_node.find('detail'))
zeep.exceptions.Fault: <exception str() failed>
Fault
是SOAP中等同于500错误的错误类型。
当我启用调试日志时,我们可以看到服务器在生成响应时出现了问题:
>>> client.service.GetMainCarMakeListByFirstDrivingDate(FirstDrivingDate=datetime(2015, 9, 22))
zeep.transports: HTTP Post to https://www.assurland.com/ws/CarVehiculeSearch.asmx:
<?xml version='1.0' encoding='utf-8'?>
<soap-env:Envelope xmlns:soap-env="http://schemas.xmlsoap.org/soap/envelope/">
<soap-env:Body>
<ns0:GetMainCarMakeListByFirstDrivingDate xmlns:ns0="http://tempuri.org/">
<ns0:FirstDrivingDate>2015-09-22T00:00:00</ns0:FirstDrivingDate>
</ns0:GetMainCarMakeListByFirstDrivingDate>
</soap-env:Body>
</soap-env:Envelope>
zeep.transports: HTTP Response from https://www.assurland.com/ws/CarVehiculeSearch.asmx (status: 500):
<?xml version="1.0" encoding="utf-8"?><soap:Envelope xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema"><soap:Body><soap:Fault><faultcode>soap:Server</faultcode><faultstring>Le serveur n'a pas pu traiter la demande. ---> Erreur lors de la génération du document XML. ---> Le type common.FormDataListItem n'était pas attendu. Utilisez l'attribut XmlInclude ou SoapInclude pour spécifier les types qui ne sont pas connus statiquement.</faultstring><detail /></soap:Fault></soap:Body></soap:Envelope>
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/Users/mjpieters/Development/venvs/stackoverflow-2.7/lib/python2.7/site-packages/zeep/client.py", line 25, in __call__
self._op_name, args, kwargs)
File "/Users/mjpieters/Development/venvs/stackoverflow-2.7/lib/python2.7/site-packages/zeep/wsdl/bindings/soap.py", line 109, in send
return self.process_reply(client, operation_obj, response)
File "/Users/mjpieters/Development/venvs/stackoverflow-2.7/lib/python2.7/site-packages/zeep/wsdl/bindings/soap.py", line 145, in process_reply
return self.process_error(doc, operation)
File "/Users/mjpieters/Development/venvs/stackoverflow-2.7/lib/python2.7/site-packages/zeep/wsdl/bindings/soap.py", line 223, in process_error
detail=fault_node.find('detail'))
zeep.exceptions.Fault: <exception str() failed>
隐藏在其中的错误信息:
服务器无法处理请求。 ---> 生成XML文档时出错。 ---> common.FormDataListItem类型不是预期的类型。使用XmlInclude或SoapInclude属性指定静态未知的类型。
或者,通过谷歌翻译帮助,用英语表达:
服务器无法处理请求。 ---> 生成XML文档时出错。 ---> common.FormDataListItem类型不是预期的类型。使用XmlInclude或SoapInclude属性指定静态未知的类型。
由于我们没有发送任何common.FormDataListItem
类型,而且消息抱怨没有可以生成的XML文档,这对我来说看起来像是一个服务器端编程错误。
有一些方法确实有效,可以通过SOAP:
>>> client.service.GetCarTypeListByCodeMake(CodeMake='BMW', FirstDrivingDate=datetime(2016, 1, 1))
['I3', 'I8', 'M2', 'M3', 'M4', 'M5', 'M6', 'SERIE 1 II', 'SERIE 2', 'SERIE 3 VI', 'SERIE 4', 'SERIE 5', 'SERIE 6', 'SERIE 7', 'X1', 'X3', 'X4', 'X5', 'X6', 'Z4']
>>> client.service.GetAllCarTypeListByCodeMake(CodeMake='BMW')
['1502', '1600', '1602', '1800', '1802', '2000', '2002', '2500', '3,0', '3,3', '315', '316', '318', '320', '323', '324', '325', '328', '330', '518', '520', '523', '524', '525', '528', '530', '535', '540', '545', '550', '628', '630', '633', '635', '645', '650', '725', '728', '730', '732', '733', '735', '740', '745', '750', '760', '840', '850', 'I3', 'I8', 'L7', 'M2', 'M3', 'M4', 'M5', 'M535', 'M6', 'M635', 'SERIE 1', 'SERIE 1 II', 'SERIE 2', 'SERIE 3', 'SERIE 3 (SUITE)', 'SERIE 3 VI', 'SERIE 4', 'SERIE 5', 'SERIE 6', 'SERIE 7', 'X1', 'X3', 'X4', 'X5', 'X6', 'Z1', 'Z3', 'Z4', 'Z8']
或者通过使用
requests
发送
application/x-www-form-urlencoded
数据进行发布:
>>> response = requests.post('https://www.assurland.com/ws/CarVehiculeSearch.asmx/GetCarTypeListByCodeMake', data={'CodeMake': 'BMW', 'FirstDrivingDate': datetime(2016, 1, 1)})
>>> print(response.text)
<?xml version="1.0" encoding="utf-8"?>
<ArrayOfAnyType xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns="http://tempuri.org/">
<anyType xsi:type="xsd:string">I3</anyType>
<anyType xsi:type="xsd:string">I8</anyType>
<anyType xsi:type="xsd:string">M2</anyType>
<anyType xsi:type="xsd:string">M3</anyType>
<anyType xsi:type="xsd:string">M4</anyType>
<anyType xsi:type="xsd:string">M5</anyType>
<anyType xsi:type="xsd:string">M6</anyType>
<anyType xsi:type="xsd:string">SERIE 1 II</anyType>
<anyType xsi:type="xsd:string">SERIE 2</anyType>
<anyType xsi:type="xsd:string">SERIE 3 VI</anyType>
<anyType xsi:type="xsd:string">SERIE 4</anyType>
<anyType xsi:type="xsd:string">SERIE 5</anyType>
<anyType xsi:type="xsd:string">SERIE 6</anyType>
<anyType xsi:type="xsd:string">SERIE 7</anyType>
<anyType xsi:type="xsd:string">X1</anyType>
<anyType xsi:type="xsd:string">X3</anyType>
<anyType xsi:type="xsd:string">X4</anyType>
<anyType xsi:type="xsd:string">X5</anyType>
<anyType xsi:type="xsd:string">X6</anyType>
<anyType xsi:type="xsd:string">Z4</anyType>
</ArrayOfAnyType>
您可能需要联系此 API 的维护者来解决此问题,这不是您可以在 Python 方面处理的事情。
zeep
客户端库访问GetMainCarMakeListByFirstDrivingDate
终端节点,但也失败了。我已经检查了发送的SOAP消息,没有发现任何问题,所以看起来这个服务确实是出了问题。要么联系网站运营商,要么就放弃吧。 - Martijn Pieters