Suds 数组未嵌套

让我先说一下，我对 SOAP 和事情应该如何工作仍然很陌生。我正在使用垂直响应 API。

我无法让泡沫为请求正确构造 xml。下面是一些代码：

from suds.client import Client
url = 'https://api.verticalresponse.com/wsdl/1.0/VRAPI.wsdl'
client = Client(url)
vr = client.service
...
test_list = (
    (
        {
            'name' : 'email_address',
            'value' : login['username'],
        },
        {
            'name' : 'First_Name',
            'value' : 'VR_User',
        }
    ),
    (
        {
            'name' : 'email_address',
            'value' : 'api-support@verticalresponse.com',
        },
        {
            'name' : 'First_Name',
            'value' : login['username'],
        },
    ),
)
# sid and cid are correctly retrieved prior to this point
print "Sending test message..."
vr.sendEmailCampaignTest({
    'session_id' : sid,
    'campaign_id' : cid,
    'recipients' : test_list,
})

在这种情况下，登录["用户名"]只是一个电子邮件地址。

该代码引发此错误：

suds.WebFault: Server raised fault: 'Application failed during request deserialization: Too many elements in array. 4 instead of claimed 2 (2)

以下是sendEmailCampaignTest的定义：http://developers.verticalresponse.com/api/soap/methods/campaigns/sendemailcampaigntest/

下面是日志记录输出的 xml。 此 XML 不正确且不起作用（我删除了此处显示的session_id和list_id）：

<?xml version="1.0" encoding="utf-8" ?>
DEBUG:suds.client:headers = {'SOAPAction': u'"VR/API/1_0#sendEmailCampaignTest"', 'Content-Type': 'text/xml; charset=utf-8'}
ERROR:suds.client:<?xml version="1.0" encoding="UTF-8"?>
<SOAP-ENV:Envelope xmlns:ns3="http://api.verticalresponse.com/1.0/VRAPI.xsd" xmlns:SOAP-ENC="http://schemas.xmlsoap.org/soap/encoding/" xmlns:ns0="http://schemas.xmlsoap.org/soap/envelope/" xmlns:ns1="http://www.w3.org/2001/XMLSchema" xmlns:ns2="http://schemas.xmlsoap.org/soap/encoding/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:ns4="VR/API/1_0" xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/" SOAP-ENV:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/">
   <SOAP-ENV:Header/>
   <ns0:Body>
      <ns4:sendEmailCampaignTest>
         <args xsi:type="ns3:sendEmailCampaignTestArgs">
            <session_id xsi:type="ns1:string">redacted</session_id>
            <campaign_id xsi:type="ns1:int">redacted</campaign_id>
            <recipients xsi:type="ns3:ArrayOfNVDictionary" ns2:arrayType="ns3:NVDictionary[2]">
               <item>
                  <name xsi:type="ns1:string">email_address</name>
                  <value xsi:type="ns1:string">email@example.com</value>
               </item>
               <item>
                  <name xsi:type="ns1:string">First_Name</name>
                  <value xsi:type="ns1:string">VR_User</value>
               </item>
               <item>
                  <name xsi:type="ns1:string">email_address</name>
                  <value xsi:type="ns1:string">api-support@verticalresponse.com</value>
               </item>
               <item>
                  <name xsi:type="ns1:string">First_Name</name>
                  <value xsi:type="ns1:string">email@example.com</value>
               </item>
            </recipients>
         </args>
      </ns4:sendEmailCampaignTest>
   </ns0:Body>
</SOAP-ENV:Envelope>
DEBUG:suds.client:http failed:
<?xml version="1.0" encoding="UTF-8"?><SOAP-ENV:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:SOAP-ENC="http://schemas.xmlsoap.org/soap/encoding/" xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/" xmlns:xsd="http://www.w3.org/2001/XMLSchema" SOAP-ENV:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"><SOAP-ENV:Body><SOAP-ENV:Fault><faultcode>SOAP-ENV:Client</faultcode><faultstring>Application failed during request deserialization: Too many elements in array. 4 instead of claimed 2 (2)
</faultstring></SOAP-ENV:Fault></SOAP-ENV:Body></SOAP-ENV:Envelope>

我正在根据以下 ruby 脚本（由垂直响应提供）移植我的脚本：

test_list = [
           [{
              'name' => 'email_address',
              'value' => $username
            },
            {
              'name' => 'First_Name',
              'value' => 'VR_User'
            }
           ],
           [{
              'name' => 'email_address',
              'value' => 'api-support@verticalresponse.com'
            },
            {
              'name' => 'First_Name',
              'value' => $username
            }
           ]
          ]
print "Sending test message...n"
temp0 = vr.sendEmailCampaignTest({
                                 'session_id' => sid,
                                 'campaign_id' => cid,
                                 'recipients' => test_list,
                               })

它输出以下 xml。 这个XML是正确的并且确实有效（我删除了session_id和list_id）：

<?xml version="1.0" encoding="utf-8" ?>
<env:Envelope xmlns:xsd="http://www.w3.org/2001/XMLSchema"
    xmlns:env="http://schemas.xmlsoap.org/soap/envelope/"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <env:Body>
    <n1:sendEmailCampaignTest xmlns:n1="VR/API/1_0"
        env:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/">
      <args xmlns:n2="http://api.verticalresponse.com/1.0/VRAPI.xsd"
          xsi:type="n2:sendEmailCampaignTestArgs">
        <session_id xsi:type="xsd:string">redacted</session_id>
        <campaign_id xsi:type="xsd:int">redacted</campaign_id>
        <recipients xmlns:n3="http://schemas.xmlsoap.org/soap/encoding/"
            xsi:type="n3:Array"
            n3:arrayType="n2:NVDictionary[2]">
          <item xsi:type="n3:Array"
              n3:arrayType="n2:NVPair[2]">
            <item>
              <name xsi:type="xsd:string">email_address</name>
              <value href="#id9496430"></value>
            </item>
            <item>
              <name xsi:type="xsd:string">First_Name</name>
              <value xsi:type="xsd:string">VR_User</value>
            </item>
          </item>
          <item xsi:type="n3:Array"
              n3:arrayType="n2:NVPair[2]">
            <item>
              <name xsi:type="xsd:string">email_address</name>
              <value xsi:type="xsd:string">api-support@verticalresponse.com</value>
            </item>
            <item>
              <name xsi:type="xsd:string">First_Name</name>
              <value href="#id9496430"></value>
            </item>
          </item>
        </recipients>
      </args>
    </n1:sendEmailCampaignTest>
    <value id="id9496430"
        xsi:type="xsd:string"
        env:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/">address@example.com</value>
  </env:Body>
</env:Envelope>

我知道错误在于收件人的构造。它应该包含两个项目，每个项目包含两个项目，但我使用 suds 的 python 脚本将其设置为包含四个非嵌套项目。所以我的问题是我怎样才能让泡沫正确构建 xml？

编辑：我尝试过的：

>>> url = 'https://api.verticalresponse.com/wsdl/1.0/VRAPI.wsdl'
>>> client = Client(url)
>>> args = client.factory.create('ns0:sendEmailCampaignTestArgs')  
>>> args
(sendEmailCampaignTestArgs){
   session_id = None
   campaign_id = None
   recipients = 
      (ArrayOfNVDictionary){
         _arrayType = ""
         _offset = ""
         _id = ""
         _href = ""
         _arrayType = ""
      }
 }

在我看来，ArrayOfNVDictionary没有被泡沫正确构造（它没有一个实际的数组元素来容纳NVDictionary的），任何帮助来确定你会很棒。

SOAP 的重点在于远程方法调用和参数应该看起来像所选语言的本机方法和对象。

为了避免错误，请始终使用特定的 SOAP 类型，如以下（未经测试的）代码段所示：

>>> recipient_list = [ 
...     ('root@eruditorum.org', 'Enoch'), 
...     ('billg@microsoft.com', 'Bill'), 
... ]
>>> client = suds.client.Client('https://api.verticalresponse.com/wsdl/1.0/VRAPI.wsdl')
>>> args = client.factory.create('ns0:sendEmailCampaignTestArgs')
>>> for email, first_name in recipient_list:
...     recipient = client.factory.create('ns0:NVDictionary')
...     recipient['email_address'] = email
...     recipient['First_Name'] = first_name
...     args.recipients.append(nvdict)
>>> args.session_id = sid
>>> args.campaign_id = cid
>>> client.service.sendEmailCampaignTest(args)

恕我直言，像上面这样的显式代码更干净，更易于维护。

当然，你可以忽略我的建议，在这种情况下，我想test_list应该是这样的：

test_list = [ 
    { 
        'email_address': 'josh@cartme.com', 
        'First_Name': 'Josh' },
    },
    { 
        'email_address': 'josh.cartme@gmail.com', 
        'First_Name': 'Josh' },
    },
]

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