python使用suds来调用webservice

对于python仅作为客户端调用webservice的情况，推荐使用suds库来完成，比起zsi，soapy之类，它可以说是相当轻量级，使用非常方便。

安装suds建议使用easy_insall来做。下面是官方的一些例子：

Python代码

from suds.client import Client

url = 'http://localhost:7080/webservices/WebServiceTestBean?wsdl'

client = Client(url)  

#查看该service提供的方法

print client  

Suds - version: 0.3.3 build: (beta) R397-20081121  

Service (WebServiceTestBeanService) tns="http://test.server.enterprise.rhq.org/"

   Prefixes (1):

     ns0 = "http://test.server.enterprise.rhq.org/"

   Ports (1):

     (Soap)

       Methods:

         addPerson(Person person, )

         echo(xs:string arg0, )

         getList(xs:string str, xs:int length, )

         getPercentBodyFat(xs:string name, xs:int height, xs:int weight)

         getPersonByName(Name name, )

         hello()

         testExceptions()

         testListArg(xs:string[] list, )

         testVoid()

         updatePerson(AnotherPerson person, name name, )

   Types (23):

     Person

     Name

     Phone

     AnotherPerson

1.简单参数调用

Python代码

result = client.service.getPercentBodyFat('jeff', 68, 170)

print result  

result = client.service.getPercentBodyFat(name='jeff', height=68, weight=170)

print result  

#词典

d = dict(name='jeff', height=68, weight=170)

result = client.service.getPercentBodyFat(**d)

print result  

You have 21% body fat.

2.复杂参数

Java代码

person = client.factory.create('Person')

print person

Java代码

(Person)=

  {

    phone = []

    age = NONE

    name(Name) =

        {

            last = NONE

            first = NONE

        }

   }

#设置变量

Java代码

phone = client.factory.create('Phone')

phone.npa = 202

phone.nxx = 555

phone.number = 1212

Python代码

name = client.factory.create('Name')

name.first = 'Elmer'

name.last = 'Fudd'

Python代码

person.name = name

person.age = 35

person.phone = [phone]  

#或者

person.phone.append(phone)

Java代码

try:

   person_added = client.service.addPerson(person)

except WebFault, e:

  print e

在0.3.8以上版本还提供了更简单的调用方式，完美的json

Python代码

person = {}

#根据对象结构构造json  

phone = {

    'npa':202,

    'nxx':555,

    'number':1212,

}  

name = {

    'first':'Elmer',

    'last':'Fudd'

}  

person['name'] = name

person['age'] = 35

person['phone'] = [phone,]  

try:

   person_added = client.service.addPerson(person)

except WebFault, e:

  print e

3.异常处理

Python代码

client = client(url, faults=False)

result = client.service.addPerson(person)

print result

( 200, person ...)

更多可以查看官方文档：https://fedorahosted.org/suds/wiki/Documentation，里面还讲了soap头得安全认证，webservice cache等高级话题，有需要可以查看，都比较详细。

巴特西

python使用suds来调用webservice

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