Web Service 之 Python -- spyne

概要

本文主要关注利用spyne实现web service, 接口参数为自定义数据类型和数组

pip install spyne, suds, zeep

>>> import spyne, suds, zeep

>>> spyne.__version__'2.12.14'

>>> suds.__version__, zeep.__version__('1.3.3.0', '1.4.1')

spyne ( https://github.com/arskom/spyne )

Server部分

#!/usr/bin/python
# coding:utf-8

from spyne import Application, rpc, ServiceBase
from spyne import Integer, Unicode, Array, ComplexModel, Iterable, String
from spyne.protocol.soap import Soap11
from spyne.server.wsgi import WsgiApplication
from wsgiref.simple_server import make_server


class Person(ComplexModel):
    name = Unicode
    age = Integer


class HelloWorldService(ServiceBase):
    @rpc(Unicode, Integer, _returns=Iterable(Unicode))
    def say_hello(self, name, times):
        for i in range(times):
            yield "Hello %s, It's the %s time to meet you." % (name, i + 1)

    @rpc(Array(Person), _returns=Iterable(Unicode))
    def say_hello_1(self, persons):
        print('-------say_hello_1()--------')
        if not persons:
            yield 'None'
        for person in persons:
            print('name is : %s, age is %s.' % (person.name, person.age))
            yield 'name is : %s, age is %s.' % (person.name, person.age)


class HelloWorldService2(ServiceBase):
    @rpc(Array(String), _returns=Iterable(Unicode))
    def say_hello_2(self, persons):
        if not persons:
            yield 'None'

        for person in persons:
            yield person


application = Application([HelloWorldService, HelloWorldService2],
                          'spyne.examples.hello',
                          in_protocol=Soap11(validator='lxml'),
                          out_protocol=Soap11())
wsgi_application = WsgiApplication(application)

if __name__ == '__main__':
    import logging

    host = '127.0.0.1'
    port = 8000

    logging.info("listening to http://127.0.0.1:8000")
    logging.info("wsdl is at: http://localhost:8000/?wsdl")

    server = make_server(host, port, wsgi_application)
    server.serve_forever()

Client部分（Suds)

#!/usr/bin/python
# coding:utf-8

from suds.client import Client

host = '127.0.0.1'
port = 8000

client = Client('http://%s:%s/?wsdl' % (host, port))
# print client

persons = client.service.say_hello('zhangsan', 2)
print persons

print '-' * 20
person = {}
person['name'] = 'zhangsan'
person['age'] = 23

persons = client.factory.create('PersonArray')
persons.Person.append(person)
persons.Person.append(person)
person = client.service.say_hello_1(persons)
print person

print '=' * 20
persons = client.factory.create('stringArray')
persons.string.append('lisi')
persons.string.append('zhangsan')
person = client.service.say_hello_2(persons)
print person

zeep - Python client

#!/usr/bin/python
# coding:utf-8

from zeep import Client

ip = '127.0.0.1'
port = 8000
client = Client("http://%s:%s/?wsdl" % (ip, port))
# print(client.wsdl.dump())

### say_hello
factory = client.type_factory("ns0")
r = client.service.say_hello('zhansgan', 3)
print(r)

### say_hello_1
factory = client.type_factory("ns0")
person = factory.Person(name='zhangsan', age=23)
persons = factory.PersonArray([person, person])
r = client.service.say_hello_1(persons)
print(r)


### say_hello_2
factory = client.type_factory("ns0")
persons = factory.stringArray(["zhansgan", "lisi"])
r = client.service.say_hello_2(persons)
print(r)