[Soap-Python] [tornado] python webservice from SOAPpy import SOAPProxy
贾晓磊
jiaxiaolei19871112 at gmail.com
Sat Dec 3 01:12:34 CET 2011
Thanks for your reply. If any more information about "the code of
soaphandler.py of api tornadows", you can Cc to me a copy. :)
-- Jia Xiaolei
2011/12/2 Rodrigo Ancavil <rancavil at gmail.com>
> Hi, Jia...
>
> I seen the code of tornadows to find what is the situation...well, the API
> is strict with the compliance of xml schema defined into the wsdl.
>
> The web service waits the compliance of the xml schema of the wsdl. In
> this case when you make:
>
> print server.sum(200,10)
>
> The xml message generated is:
>
>
> <sum>
> <v1>200</v1>
> <v2>10</v2>
> </sum>
>
> And the v1 and v2 elements are not understand by the api, because this api
> waits for the a and b elements, then is triggered the exception (at level
> of the API).
>
> I will checked the code of soaphandler.py of api tornadows.
>
> Thanks....
>
> Rodrigo.
>
>
>
>
>
>
> 2011/12/1 贾晓磊 <jiaxiaolei19871112 at gmail.com>
>
>> Thanks for the insight. the problem is solved. the code below can work
>> well.
>>
>>
>> def test_tornadows_sum2():
>> """test for tornadows
>> """
>> url = "http://localhost:8000/SumService"
>> server = SOAPProxy(url, noroot=1)
>> server.config.debug=1
>> server.config.typed=0
>> print server.sum(a=200,b=10)
>>
>>
>> #NOTE: do you find a funny phenomenon?
>>
>> if local programming, we can define a function "def test(a=1,b=2):
>> return a+b" can invoke it using "test(200,10)" successfully.
>>
>> while, in "SOAPProxy", we must write code as "print
>> server.sum(a=200,b=10)".
>> when use "print server.sum(200,10)", it returns an exception.
>>
>> #detail information:
>>
>> # server end:
>>
>> def sum(self, a, b):
>> print 'a', a
>> print 'b', b
>> result = a + b
>> print 'result',
>>
>> client end:
>>
>> part 1:
>> print server.sum(200,10)
>>
>> failed:
>>
>> *** Outgoing HTTP headers **********************************************
>> POST /SumService HTTP/1.0
>> Host: localhost:8000
>> User-agent: SOAPpy 0.12.0 (http://pywebsvcs.sf.net)
>> Content-type: text/xml; charset="UTF-8"
>> Content-length: 282
>> SOAPAction: "sum"
>> ************************************************************************
>> *** Outgoing SOAP ******************************************************
>> <?xml version="1.0" encoding="UTF-8"?>
>> <SOAP-ENV:Envelope
>> SOAP-ENV:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"
>> xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/"
>> >
>> <SOAP-ENV:Body>
>> <sum>
>> <v1>200</v1>
>> <v2>10</v2>
>> </sum>
>> </SOAP-ENV:Body>
>> </SOAP-ENV:Envelope>
>> ************************************************************************
>> code= 200
>> msg= OK
>> headers= Content-Length: 516
>> Content-Type: text/xml
>> Server: TornadoServer/2.1.1
>>
>> content-type= text/xml
>> data= <?xml version="1.0" ?><soapenv:Envelope
>>
>> xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/"
>>
>> xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
>>
>> xsi:schemaLocation="http://schemas.xmlsoap.org/soap/envelope/
>>
>> http://schemas.xmlsoap.org/soap/envelope/
>> "><soapenv:Header/><soapenv:Body><soapenv:Fault
>>
>> xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope">
>> <faultcode/>
>> <faultstring>Error in web service : sum() takes exactly 3 arguments (1
>> given)</faultstring>
>> </soapenv:Fault></soapenv:Body></soapenv:Envelope>
>> *** Incoming HTTP headers **********************************************
>> HTTP/1.? 200 OK
>> Content-Length: 516
>> Content-Type: text/xml
>> Server: TornadoServer/2.1.1
>> ************************************************************************
>> *** Incoming SOAP ******************************************************
>> <?xml version="1.0" ?><soapenv:Envelope
>>
>> xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/"
>>
>> xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
>>
>> xsi:schemaLocation="http://schemas.xmlsoap.org/soap/envelope/
>>
>> http://schemas.xmlsoap.org/soap/envelope/
>> "><soapenv:Header/><soapenv:Body><soapenv:Fault
>>
>> xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope">
>> <faultcode/>
>> <faultstring>Error in web service : sum() takes exactly 3 arguments (1
>> given)</faultstring>
>> </soapenv:Fault></soapenv:Body></soapenv:Envelope>
>> ************************************************************************
>> <SOAPpy.Types.structType Fault at 144746668>: {'faultcode': '',
>> 'faultstring': 'Error in web
>>
>> service : sum() takes exactly 3 arguments (1 given)'}
>>
>>
>> part 2:
>>
>> print server.sum(a=200,b=10)
>>
>> okay:
>>
>> *** Outgoing HTTP headers **********************************************
>> POST /SumService HTTP/1.0
>> Host: localhost:8000
>> User-agent: SOAPpy 0.12.0 (http://pywebsvcs.sf.net)
>> Content-type: text/xml; charset="UTF-8"
>> Content-length: 278
>> SOAPAction: "sum"
>> ************************************************************************
>> *** Outgoing SOAP ******************************************************
>> <?xml version="1.0" encoding="UTF-8"?>
>> <SOAP-ENV:Envelope
>> SOAP-ENV:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"
>> xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/"
>> >
>> <SOAP-ENV:Body>
>> <sum>
>> <a>200</a>
>> <b>10</b>
>> </sum>
>> </SOAP-ENV:Body>
>> </SOAP-ENV:Envelope>
>> ************************************************************************
>> code= 200
>> msg= OK
>> headers= Content-Length: 344
>> Content-Type: text/xml
>> Server: TornadoServer/2.1.1
>> Set-Cookie: _xsrf=bd30bb2d55624f8e99409b061fe4bb74; Path=/
>>
>> content-type= text/xml
>> data= <?xml version="1.0" ?><soapenv:Envelope
>>
>> xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/"
>>
>> xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
>>
>> xsi:schemaLocation="http://schemas.xmlsoap.org/soap/envelope/
>>
>> http://schemas.xmlsoap.org/soap/envelope/
>> "><soapenv:Header/><soapenv:Body><returns>210</returns>
>>
>> </soapenv:Body></soapenv:Envelope>
>> *** Incoming HTTP headers **********************************************
>> HTTP/1.? 200 OK
>> Content-Length: 344
>> Content-Type: text/xml
>> Server: TornadoServer/2.1.1
>> Set-Cookie: _xsrf=bd30bb2d55624f8e99409b061fe4bb74; Path=/
>> ************************************************************************
>> *** Incoming SOAP ******************************************************
>> <?xml version="1.0" ?><soapenv:Envelope
>>
>> xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/"
>>
>> xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
>>
>> xsi:schemaLocation="http://schemas.xmlsoap.org/soap/envelope/
>>
>> http://schemas.xmlsoap.org/soap/envelope/
>> "><soapenv:Header/><soapenv:Body><returns>210</returns>
>>
>> </soapenv:Body></soapenv:Envelope>
>> ************************************************************************
>> 210
>>
>> if idle, hope to get a response. Thanks again for the help.
>>
>> -- Jia Xiaolei
>>
>>
>>
>> On Fri, Dec 2, 2011 at 4:45 AM, Rodrigo Ancavil <rancavil at gmail.com>wrote:
>>
>>> Hi Jia.
>>>
>>> SOAPpy generates default XML SOAP messaging a bit confusing for web
>>> services.
>>>
>>> If you set server.config.debug = 1, you can see the messages generated
>>> by default.
>>>
>>> Below I send you a code that worked for me.
>>>
>>>
>>> Here the code:
>>> ===========
>>>
>>> from SOAPpy import SOAPProxy
>>>
>>> def test_tornadows_sum():
>>> """test for tornadows
>>> """
>>> #TODO:in this way, invoking tornadows is also failed, what a pity.
>>> url = "http://localhost:8000/SumService"
>>>
>>> # noroot = 0 generate <sum SOAP-ENC:root="1">
>>> # noroot = 1 ommit SOAP-ENC:root="1", <sum>
>>>
>>> server = SOAPProxy(url,noroot=1)
>>> # With debug = 1 show the communication and messages soap xml.
>>> server.config.debug = 1
>>>
>>> # typed = 0 generates the types into the elements
>>> # <a xsi:type="xsd:int">2</a>
>>> # <b xsi:type="xsd:int">1</b>
>>> # with typed = 1 omits the types into the elements
>>> # <a>2</a>
>>> # <a>1</b>
>>> server.config.typed = 0
>>>
>>> print
>>> # sending the parameters a=val1, b=val2, make that respect the
>>> elements
>>> # defined in the schema of the wsdl.
>>> print "Result is : "+server.sum(a=200,b=10)
>>>
>>> test_tornadows_sum()
>>>
>>> I hope help you.
>>>
>>> Rodrigo.
>>>
>>>
>>>
>>>
>>>
>>> 2011/12/1 贾晓磊 <jiaxiaolei19871112 at gmail.com>
>>>
>>>> Hi, all:
>>>>
>>>> Is someone familiar to SOAPpy?
>>>>
>>>> First of all, I will admire I'm a newbie to soap, and SOAPpy can run
>>>> successfully in some occasions.
>>>>
>>>> Now, my problem is:
>>>>
>>>> # server_sum.py
>>>> import logging
>>>>
>>>> import tornado.httpserver
>>>> import tornado.ioloop
>>>> import tornado.web
>>>> from tornadows import soaphandler
>>>> from tornadows import webservices
>>>> from tornadows import xmltypes
>>>> from tornadows.soaphandler import webservice
>>>> from tornado.options import define, options
>>>>
>>>> define('mode', default='deploy')
>>>> define('port', type=int, default=8000)
>>>> options['logging'].set('warning')
>>>>
>>>>
>>>> class SumService(soaphandler.SoapHandler):
>>>>
>>>> @webservice(_params=[xmltypes.Integer,xmltypes.Integer],_returns=xmltypes.Integer)
>>>> def sum(self, a=1, b=1):
>>>> result = a + b
>>>> return result
>>>>
>>>> if __name__ == '__main__':
>>>> service = [('SumService',SumService)]
>>>> app = webservices.WebService(service)
>>>> ws = tornado.httpserver.HTTPServer(app)
>>>> ws.listen(options.port)
>>>> logging.warn("SumService running on: localhost:%d", options.port)
>>>> tornado.ioloop.IOLoop.instance().start()
>>>>
>>>> # sum_client.py
>>>>
>>>> from SOAPpy import SOAPProxy
>>>>
>>>> def test_tornadows_sum():
>>>> """test for tornadows
>>>> """
>>>> #TODO:in this way, invoking tornadows is also failed, what a pity.
>>>> url = "http://localhost:8000/SumService"
>>>> server = SOAPProxy(url)
>>>> print dir(server)
>>>> a = 22
>>>> b = 44
>>>> print server.sum(a,b)
>>>>
>>>>
>>>> ------
>>>> The server is okay.when I invoke the method in this way, it return the
>>>> sum of 10 and 2.:
>>>> import suds
>>>> def test_tornadows_sum():
>>>> # it's okay, while the server provide a method.
>>>> url = "http://localhost:8000/SumService?wsdl"
>>>> client = suds.client.Client(url)
>>>> print 'client', client
>>>> a = 10
>>>> b = 2
>>>> output = client.service.sum(a,b)
>>>>
>>>> While, when i use SOAPProxy (sum_client.py), it failed. the errror
>>>> message is :
>>>>
>>>> ['_SOAPProxy__Method', '_SOAPProxy__call', '__doc__', '__getattr__',
>>>> '__init__', '__module__', '_callWithBody', 'config', 'encoding', 'header',
>>>> 'http_proxy', 'invoke', 'methodattrs', 'namespace', 'noroot', 'proxy',
>>>> 'simplify_objects', 'soapaction', 'throw_faults', 'transport',
>>>> 'unwrap_results']
>>>> <SOAPpy.Types.structType Fault at 141277356>: {'faultcode': '',
>>>> 'faultstring': 'Error in web service : unbound prefix: line 1, column 0'}
>>>>
>>>> What should I do next ?
>>>>
>>>> #NOTE: the wsdl for the server is:
>>>> http://172.16.2.46:8000/SumService?wsdl # url is in my personal
>>>> computer, you can read the wsdl below.
>>>> <wsdl:definitions xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/"
>>>> xmlns:tns="http://127.0.1.1:8000/SumService/sum" xmlns:wsdl="
>>>> http://schemas.xmlsoap.org/wsdl/"xmlns:xsd="
>>>> http://www.w3.org/2001/XMLSchema" xmlns:xsi="
>>>> http://www.w3.org/2001/XMLSchema-instance" name="SumService"
>>>> targetNamespace="http://127.0.1.1:8000/SumService/sum">
>>>> <wsdl:types>
>>>> <xsd:schema targetNamespace="http://127.0.1.1:8000/SumService/sum">
>>>> <xsd:complexType name="paramsTypes">
>>>> <xsd:sequence>
>>>> <xsd:element name="a" type="xsd:integer"/>
>>>> <xsd:element name="b" type="xsd:integer"/>
>>>> </xsd:sequence>
>>>> </xsd:complexType>
>>>> <xsd:element name="params" type="tns:paramsTypes"/>
>>>> <xsd:element name="returns" type="xsd:integer"/>
>>>> </xsd:schema>
>>>> </wsdl:types>
>>>> <wsdl:message name="SumServiceRequest">
>>>> <wsdl:part element="tns:params" name="parameters"/>
>>>> </wsdl:message>
>>>> <wsdl:message name="SumServiceResponse">
>>>> <wsdl:part element="tns:returns" name="parameters"/>
>>>> </wsdl:message>
>>>> <wsdl:portType name="SumServicePortType">
>>>> <wsdl:operation name="sum">
>>>> <wsdl:input message="tns:SumServiceRequest"/>
>>>> <wsdl:output message="tns:SumServiceResponse"/>
>>>> </wsdl:operation>
>>>> </wsdl:portType>
>>>> <wsdl:binding name="SumServiceBinding" type="tns:SumServicePortType">
>>>> <soap:binding style="document" transport="
>>>> http://schemas.xmlsoap.org/soap/http"/>
>>>> <wsdl:operation name="sum">
>>>> <soap:operation soapAction="http://127.0.1.1:8000/SumService" style="
>>>> document"/>
>>>> <wsdl:input>
>>>> <soap:body use="literal"/>
>>>> </wsdl:input>
>>>> <wsdl:output>
>>>> <soap:body use="literal"/>
>>>> </wsdl:output>
>>>> </wsdl:operation>
>>>> </wsdl:binding>
>>>> <wsdl:service name="SumService">
>>>> <wsdl:port binding="tns:SumServiceBinding" name="SumServicePort">
>>>> <soap:address location="http://127.0.1.1:8000/SumService"/>
>>>> </wsdl:port>
>>>> </wsdl:service>
>>>> </wsdl:definitions>
>>>>
>>>> Any help will be highly appreciated. Thanks for your time and
>>>> concentration again!
>>>>
>>>> -- Jia Xiaolei
>>>>
>>>>
>>>
>>
>>
>> --
>> NAME: 贾晓磊/Jia Xiaolei
>> MOBILE: 13011292217
>> QQ: 281304051
>> MICRO-BLOG: http://weibo.com/2183890715
>> GMAIL: jiaxiaolei19871112 at gmail.com<gmail%3Ajiaxiaolei19871112 at gmail.com>
>>
>>
>
--
NAME: 贾晓磊/Jia Xiaolei
MOBILE: 13011292217
QQ: 281304051
MICRO-BLOG: http://weibo.com/2183890715
GMAIL: jiaxiaolei19871112 at gmail.com <gmail%3Ajiaxiaolei19871112 at gmail.com>
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