Is there a SOAP module that can do this...?

[thebjorn]

I've been trying to use SOAPpy and ZSI (with and without the use of
wsdl2py) to communicate with a SOAP server (looks like it's a WebLogic
server(?) in front of some enterprise java bean) and not having much
luck. I got them to send me an example of what the bytes on the wire
are supposed to look like (attached below), and I got it to "work" by
going lo-tech:

cn = httplib.HTTPSConnection('test.xx.no',443)
cn.putrequest("POST", "/service/url")
cn.putheader("Host", "test.xx.no")
cn.putheader("Content-type", 'text/xml; charset="UTF-8"')
cn.putheader("Content-length", "%d" % len(soap_message))
cn.putheader("SOAPAction", '""')
cn.endheaders()
cn.send(soap_message)

Is there a better way to do this? Can it be done with any of the
Python SOAP libraries?

Bjorn

soap message follows:

<env:Envelope xmlns:env="http://schemas.xmlsoap.org/soap/envelope/">
<Header xmlns="http://schemas.xmlsoap.org/soap/envelope/" />
<env:Body>
<submitMessage xmlns="http://no/brreg/BReMS/WebService/services">
<cpaid>y111</cpaid>
<securityKey>y222</securityKey>
<message><![CDATA[<?xml version='1.0' encoding='ISO-8859-1'?>
<SOAP:Envelope xmlns:SOAP='http://schemas.xmlsoap.org/soap/envelope/'
xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance'>
<SOAP:Header xmlns:eb='http://www.oasis-open.org/committees/ebxml-msg/
schema/msg-header-2_0.xsd'>
<eb:MessageHeader eb:id='1' eb:version='2.0' SOAP:mustUnderstand='1'>
<eb:From>
<ebartyId eb:type='orgnr-submitter'>x111</ebartyId>
<ebartyId eb:type='orgnr-caseworker'>x222</ebartyId>
<eb:Role>Submitter</eb:Role>
</eb:From>
<eb:To>
<ebartyId eb:type='orgnr-registrator'>x111</ebartyId>
<eb:Role>Registrator</eb:Role>
</eb:To>
<eb:CPAId>y111</eb:CPAId>
<eb:ConversationId>ccd6dc26-836f-4768-8d28-5d46a872b9e8</
eb:ConversationId>
<eb:Service eb:type='lockup'>x444</eb:Service>
<eb:Action>appendMessage</eb:Action>
<eb:MessageData>
<eb:MessageId>ccd6dc26-836f-4768-8d28-5d46a872b9e8</eb:MessageId>
<eb:Timestamp>23.09.2006</eb:Timestamp>
</eb:MessageData>
<ebescription xml:lang='no'></ebescription>
</eb:MessageHeader>
</SOAP:Header>
<SOAP:Body>
<LegacyData>
<JegerproveInn xsi:noNamespaceSchemaLocation="JegerproveInn.xsd"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<Arrangor>
<ArrangorId>3</ArrangorId>
<ArrangorNavn>
<Navn1>BBB</Navn1>
<Navn5></Navn5>
</ArrangorNavn>
<PersonNavn>
<Fornavn>CCC</Fornavn>
<Etternavn>DDD</Etternavn>
</PersonNavn>
<Kommunenr>9999</Kommunenr>
<Telefon>12345678</Telefon>
<Epost>[email protected]</Epost>
</Arrangor>
</JegerproveInn></LegacyData></SOAP:Body></SOAP:Envelope>]]>
</message>
</submitMessage>
</env:Body>
</env:Envelope>

 

[Waldemar Osuch]

I've been trying to use SOAPpy and ZSI (with and without the use of
wsdl2py) to communicate with a SOAP server (looks like it's a WebLogic
server(?) in front of some enterprise java bean) and not having much
luck.  I got them to send me an example of what the bytes on the wire
are supposed to look like (attached below), and I got it to "work" by
going lo-tech:

If you are willing to go low tech you can try
http://effbot.org/downloads/#elementsoap

But before you do that try:
https://fedorahosted.org/suds
It is actively maintained and holds a lot of promise.
In my testing it knew how to connect to Sharepoint as well
as WebLogic exposed services.

Waldemar

 

[thebjorn]

If you are willing to go low tech you can tryhttp://effbot.org/downloads/#elementsoap

But before you do that try:https://fedorahosted.org/suds
It is actively maintained and holds a lot of promise.
In my testing it knew how to connect to Sharepoint as well
as WebLogic exposed services.

Waldemar

Thanks for the info Waldemar. I'm looking into suds now, but there's
something I'm having trouble wrapping my head around (xml isn't my
usual territory, so this is perhaps obvious to someone...) This is
what suds tells me:
suds ( version=0.2.9 )

service ( InboundLegacyDataService )
prefixes:
ns0 = "http://no/brreg/BReMS/WebService/services"
methods (2):
getInfo()
submitMessage(xs:string cpaid, xs:string securityKey,
xs:string message, )
types (4):
submitMessage
submitMessageResponse
getInfo
getInfoResponse

The method I'm interested in is submitMessage and in particular the
``xs:string message`` parameter. I've been provided with three xsd
files that I'm almost 100% sure defines the format of the xml in the
message (it defines the JegerproveInn sub-structure), but it looks
like that has to be wrapped in a SOAP:Envelope, including the <?xml..>
declaration before being stuffed into the xs:string message parameter,
before that in turn is wrapped in an env:Envelope... Am I on the right
track?

Another question: I'm assuming the xsd files can be used for more
than documentation I've found the w3schools "Introduction to XML
Schema" which I'm starting to read right now, however I haven't been
able to google up any Python<->xsd "thingy" that looked promising
(since I'm not sure what I'm looking for, this might not be a big
surprise ;-) Is there such a "thingy"?

Bjorn

 

[Stefan Behnel]

I've been trying to use SOAPpy and ZSI (with and without the use of
wsdl2py) to communicate with a SOAP server (looks like it's a WebLogic
server(?) in front of some enterprise java bean) and not having much
luck.

Have you tried using soaplib? I find it very usable and from what I heard so
far, a couple of other people also like it a lot better than ZSI.

Stefan

 

[Waldemar Osuch]

Thanks for the info Waldemar. I'm looking into suds now, but there's
something I'm having trouble wrapping my head around (xml isn't my
usual territory, so this is perhaps obvious to someone...) This is
what suds tells me:


suds ( version=0.2.9 )

service ( InboundLegacyDataService )
        prefixes:
                ns0 = "http://no/brreg/BReMS/WebService/services"
        methods (2):
                getInfo()
                submitMessage(xs:string cpaid, xs:string securityKey,
xs:string message, )
        types (4):
                submitMessage
                submitMessageResponse
                getInfo
                getInfoResponse

The method I'm interested in is submitMessage and in particular the
``xs:string message`` parameter.  I've been provided with three xsd
files that I'm almost 100% sure defines the format of the xml in the
message (it defines the JegerproveInn sub-structure), but it looks
like that has to be wrapped in a SOAP:Envelope, including the <?xml..>
declaration before being stuffed into the xs:string message parameter,
before that in turn is wrapped in an env:Envelope... Am I on the right
track?

After you figure out how the message should look like, pass it with
the
rest of the parameters to the submitMessage.
"suds" should take care of the rest. Like wrap everything
into Envelope, send the request and parse response.

If you have to build XML from python let me point you to very useful
http://svn.effbot.python-hosting.com/stuff/sandbox/elementlib/builder.py
or
http://codespeak.net/lxml/api/lxml.builder.ElementMaker-class.html

Another question:  I'm assuming the xsd files can be used for more
than documentation  I've found the w3schools "Introduction to XML
Schema" which I'm starting to read right now, however I haven't been
able to google up any Python<->xsd "thingy" that looked promising
(since I'm not sure what I'm looking for, this might not be a big
surprise ;-)  Is there such a "thingy"?

python<->xsd thingy you mention could be "lxml" library that is an
implementation of ElementTree + "number of very useful extensions".
Most of the time XSD is used to validate XML documents.
http://codespeak.net/lxml/validation.html