Travelport Galileo Python SOAP客户端

Question

我需要开发一个Python的SOAP客户端，用于Travelport的Galileo通用API。

这是Travelport通用API的30天试用账号。

通用API用户ID：Universal API/uAPI2514620686-0edbb8e4

通用API密码：D54HWfck9nRZNPbXmpzCGwc95

Galileo的分支代码（1G）：P7004130

网址：https://emea.universal-api.pp.travelport.com/B2BGateway/connect/uAPI/

这是来自Galileo文档的引用。

HTTP头信息

HTTP头信息包括：

SOAP端点，这些端点会根据以下因素有所不同：

地理区域。
请求的服务。在前面的例子中，使用的是HotelService作为端点；不过，服务名称会根据请求的内容进行修改。

gzip压缩，这是可选的，但强烈推荐。如果想在响应中接受gzip压缩，需要在头信息中指定“Accept-Encoding: gzip,deflate”。

授权，遵循标准的基本授权模式。

在“Authorization: Basic”后面的文本可以用Base 64编码。这种功能大多数编程语言都支持。

授权凭证的语法必须在用户名和密码前加上“Universal API/”这个前缀，这些是Travelport分配的。

POST https://americas.universal-api.pp.travelport.com/

B2BGateway/connect/uAPI/HotelService HTTP/2.0

Accept-Encoding: gzip,deflate

Content-Type: text/xml;charset=UTF-8

SOAPAction: ""

Authorization: Basic UniversalAPI/UserName:Password

Content-Length: length

这是我的Python代码：

import urllib2
import base64
import suds

class HTTPSudsPreprocessor(urllib2.BaseHandler):

    def http_request(self, req):
        message = \
        """
            <soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:air="http://www.travelport.com/schema/air_v16_0" xmlns:com="http://www.travelport.com/schema/common_v13_0" --> 
            <soapenv:header> 
            <soapenv:body> 
            <air:availabilitysearchreq xmlns:air="http://www.travelport.com/schema/air_v16_0" xmlns:com="http://www.travelport.com/schema/common_v13_0" authorizedby="Test" targetbranch="P7004130"> 
            <air:searchairleg> 
            <air:searchorigin> 
            <com:airport code="LHR"> 
            </com:airport></air:searchorigin> 
            <air:searchdestination> 
            <com:airport code="JFK"> 
            </com:airport></air:searchdestination> 
            <air:searchdeptime preferredtime="2011-11-08"> 
            </air:searchdeptime></air:searchairleg> 
            </air:availabilitysearchreq> 
            </soapenv:body> 
        """
        auth = base64.b64encode('Universal API/uAPI2514620686-0edbb8e4:D54HWfck9nRZNPbXmpzCGwc95')
        req.add_header('Content-Type', 'text/xml; charset=utf-8')
        req.add_header('Accept', 'gzip,deflate')
        req.add_header('Cache-Control','no-cache')
        req.add_header('Pragma', 'no-cache')
        req.add_header('SOAPAction', '')
        req.add_header('Authorization', 'Basic %s'%(auth))
        return req

    https_request = http_request


URL = "https://emea.universal-api.pp.travelport.com/B2BGateway/connect/uAPI/"
https = suds.transport.https.HttpTransport()
opener = urllib2.build_opener(HTTPSudsPreprocessor)
https.urlopener = opener
suds.client.Client(URL, transport = https)

但是它没有工作。

Traceback (most recent call last):
  File "soap.py", line 42, in <module>
    suds.client.Client(URL, transport = https)
  File "/usr/local/lib/python2.7/site-packages/suds/client.py", line 112, in __init__
    self.wsdl = reader.open(url)
  File "/usr/local/lib/python2.7/site-packages/suds/reader.py", line 152, in open
    d = self.fn(url, self.options)
  File "/usr/local/lib/python2.7/site-packages/suds/wsdl.py", line 136, in __init__
    d = reader.open(url)
  File "/usr/local/lib/python2.7/site-packages/suds/reader.py", line 79, in open
    d = self.download(url)
  File "/usr/local/lib/python2.7/site-packages/suds/reader.py", line 95, in download
    fp = self.options.transport.open(Request(url))
  File "/usr/local/lib/python2.7/site-packages/suds/transport/http.py", line 64, in open
    raise TransportError(str(e), e.code, e.fp)
suds.transport.TransportError: HTTP Error 500: Dynamic backend host not specified

我已经尝试解决这个问题两个星期了，如果可以的话，请给我一些建议。

soap http api authorization gzip webservices travelport hotelservice

Travelport Galileo Python SOAP客户端

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