[Twisted-Python] Re: Raise soap faults

Charles Moad cmoad at indiana.edu
Fri Apr 15 13:28:08 EDT 2005

Why is it you always find the answer to a problem after you ping the
mailing list?  For future reference, the deferred returned from the
soap_method should "raise" the faultType in its callbacks, not "return"
it as I was doing.


Charles Moad wrote:
> 	I have a soap server that I am trying to make handle errors correctly.
>  When there is an error I just return a SOAPpy.faultType instance.  The
> client should correspondlingly raise a python exception when it gets
> this.  Unfortunately it looks like twisted is returning the faultType
> instance as a valid response.  Here is the returned SOAP:
> *** Incoming SOAP ******************************************************
> <?xml version="1.0" encoding="UTF-8"?>
> <SOAP-ENV:Envelope
> SOAP-ENV:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"
> xmlns:SOAP-ENC="http://schemas.xmlsoap.org/soap/encoding/"
> xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/">
> <SOAP-ENV:Body>
> <pdbChainFileCompressedResponse SOAP-ENC:root="1">
> <SOAP-ENV:Fault SOAP-ENC:root="1">
> <faultcode>ArgumentError</faultcode>
> <faultstring>Invalid PDB Code</faultstring>
> </SOAP-ENV:Fault>
> </pdbChainFileCompressedResponse>
> </SOAP-ENV:Body>
> </SOAP-ENV:Envelope>
> ************************************************************************
> and the python result literally is:
> <SOAPpy.Types.structType Fault at -1213565780>: {'faultcode':
> 'ArgumentError', 'faultstring': 'Invalid PDB Code'}
> So the soappy client is treating this as a valid return value, and not
> raising an exception like it should.
> Any ideas?
> Thanks,
> 	Charlie

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