Server returning correct result as a WebFault

[Matteo Gnudi]

Hello, I'm using SUDS 0.4 and TGWebServices 1.2.4 to expose a webservice
which should return a ComplexType (I'm pretty new to all of this), but
something's not working correctly when this WS is invoked: the output is
what I expected it to be, but I receive it as the message of a WebFault.
Here are the details:

class AuthenticationResponse(object):
    ticket = str
    error = ''
    def __init__(self, error="", ticket=""):
        self.ticket = ticket
        self.error = error

class WebService(WebServicesRoot):

@wsexpose(AuthenticationResponse)
    @wsvalidate(str,str)
    def authentication(self, username='', password=''):
        result = AuthenticationResponse()
        if not (username and password):
            result.error = "Insert both username and password"; return
result
        va = validate_auth(username, encrypt_pw(password)) #Checks if the
credentials are valid
        if va:
            ticket =
base64.urlsafe_b64encode(uuid.uuid4().bytes).replace('=',  '')
            mem[ticket] = dict(expires =
datetime.datetime.now()+datetime.timedelta(hours=1), user = username)
            result.ticket = ticket; return result
        else:
            result.error = "Incorrect username or password"; return result

This is what happens:

client.service.authentication(username='foo', password='bar')
---------------------------------------------------------------------------
WebFault                                  Traceback (most recent call last)

/home/matteo/buildout/trunk/<ipython console> in <module>()

/home/matteo/buildout/eggs/suds-0.4-py2.6.egg/suds/client.pyc in
__call__(self, *args, **kwargs)
    540                 return (500, e)
    541         else:
--> 542             return client.invoke(args, kwargs)
    543
    544     def faults(self):

/home/matteo/buildout/eggs/suds-0.4-py2.6.egg/suds/client.pyc in
invoke(self, args, kwargs)
    600                 timer)
    601         timer.start()
--> 602         result = self.send(soapenv)
    603         timer.stop()
    604         metrics.log.debug(

/home/matteo/buildout/eggs/suds-0.4-py2.6.egg/suds/client.pyc in send(self,
soapenv)
    647             else:
    648                 log.error(self.last_sent())
--> 649                 result = self.failed(binding, e)
    650         return result
    651

/home/matteo/buildout/eggs/suds-0.4-py2.6.egg/suds/client.pyc in
failed(self, binding, error)
    700         if status == 500:
    701             if len(reply) > 0:
--> 702                 r, p = binding.get_fault(reply)
    703                 self.last_received(r)
    704                 return (status, p)

/home/matteo/buildout/eggs/suds-0.4-py2.6.egg/suds/bindings/binding.pyc in
get_fault(self, reply)
    263         p = unmarshaller.process(fault)
    264         if self.options().faults:
--> 265             raise WebFault(p, faultroot)
    266         return (faultroot, p.detail)
    267

WebFault: Server raised fault: '(('result', <type 'str'>, {'ticket':
'blahblahblahdiblah', 'error': ''}), {}, <bound method SoapController.index
of <tgwebservices.soap.SoapController object at 0x1d141d10>>)'

I was expecting an instance of the AuthenticationResponse object with the
correct parameters being set.

What am I doing wrong? Is this something about SUDS or TGWS?

Thanks in advance for your support.

[Gauthier Bastien]

Did you try with suds-jurko?

Have a nice end of day,

Gauthier Bastien
http://www.imio.be
Zoning industriel, 34
5190 Mornimont
Tél: [phone]
Fax: [phone]
[e-mail] 
    
La mutualisation informatique
au service des pouvoirs locaux

Le 21/11/2013 12:31, Matteo Gnudi a écrit :
> Hello, I'm using SUDS 0.4 and TGWebServices 1.2.4 to expose a 
> webservice which should return a ComplexType (I'm pretty new to all of 
> this), but something's not working correctly when this WS is invoked: 
> the output is what I expected it to be, but I receive it as the 
> message of a WebFault. Here are the details:
>
> class AuthenticationResponse(object):
>     ticket = str
>     error = ''
>     def __init__(self, error="", ticket=""):
>         self.ticket = ticket
>         self.error = error
>
> class WebService(WebServicesRoot):
> @wsexpose(AuthenticationResponse)
> @wsvalidate(str,str)
> def authentication(self, username='', password=''):
>     result = AuthenticationResponse()
>     if not (username and password):
>         result.error = "Insert both username and password"; return 
>
> result
>         va = validate_auth(username, encrypt_pw(password)) #Checks if 
> the credentials are valid
>         if va:
>             ticket = 
> base64.urlsafe_b64encode(uuid.uuid4().bytes).replace('=',  '')
>             mem[ticket] = dict(expires = 
> datetime.datetime.now()+datetime.timedelta(hours=1), user = username)
>             result.ticket = ticket; return result
>         else:
>             result.error = "Incorrect username or password"; return result
>
> This is what happens:
> client.service.authentication(username='foo', password='bar')
>
> WebFault                                  Traceback (most recent call 
> last)
>
> /home/matteo/buildout/trunk/<ipython console> in <module>()
>
> /home/matteo/buildout/eggs/suds-0.4-py2.6.egg/suds/client.pyc in 
> __call__(self, *args, **kwargs)
>     540                 return (500, e)
>     541         else:
> --> 542             return client.invoke(args, kwargs)
>     543
>     544     def faults(self):
>
> /home/matteo/buildout/eggs/suds-0.4-py2.6.egg/suds/client.pyc in 
> invoke(self, args, kwargs)
>     600                 timer)
>     601         timer.start()
> --> 602         result = self.send(soapenv)
>     603         timer.stop()
>     604         metrics.log.debug(
>
> /home/matteo/buildout/eggs/suds-0.4-py2.6.egg/suds/client.pyc in 
> send(self, soapenv)
>     647             else:
>     648                 log.error(self.last_sent())
> --> 649                 result = self.failed(binding, e)
>     650         return result
>     651
>
> /home/matteo/buildout/eggs/suds-0.4-py2.6.egg/suds/client.pyc in 
> failed(self, binding, error)
>     700         if status == 500:
>     701             if len(reply) > 0:
> --> 702                 r, p = binding.get_fault(reply)
>     703                 self.last_received(r)
>     704                 return (status, p)
>
> /home/matteo/buildout/eggs/suds-0.4-py2.6.egg/suds/bindings/binding.pyc in 
> get_fault(self, reply)
>     263         p = unmarshaller.process(fault)
>     264         if self.options().faults:
> --> 265             raise WebFault(p, faultroot)
>     266         return (faultroot, p.detail)
>     267
>
> WebFault: Server raised fault: '(('result', <type 'str'>, {'ticket': 
> 'blahblahblahdiblah', 'error': ''}), {}, <bound method 
> SoapController.index of <tgwebservices.soap.SoapController object at 
> 0x1d141d10>>)'
>
> I was expecting an instance of the AuthenticationResponse object with 
> the correct parameters being set.
>
> What am I doing wrong? Is this something about SUDS or TGWS?
>
> Thanks in advance for your support.
>
> suds mailing list
> [e-mail]
> https://admin.fedoraproject.org/mailman/listinfo/suds

[Matthew Ashton]

My thoughts would be that it's an issue with TGWS itself (although I don't
know anything about it). Suds is just interpreting the communication
between your client requests and making them python objects. Apparently the
correct details come over the web service call, so they must be coming
across in the message you're getting.

some more code surrounding the result:

except TransportError, e:
            if e.httpcode in (202,204):
                result = None
            else:
                log.error(self.last_sent())
                result = self.failed(binding, e)
        return result

Some method triggered a TransportError, failed() was called, there was a
status of 500, and a WebFault was raised.
A TransportError is raised during transport.send(request), and if there's a
urllib2.HTTPError...

Now my guess would be that whatever server you have set up to provide these
web service calls is returning an http status of 500 with the reply... even
though other stuff comes across.

I think you could find out more about the message itself by setting up the
debugging stuff in suds to see the messages going in and out. You'd
probably be interested in the information in the suds.transport logger to
see deeper into where the error might be raised

https://fedorahosted.org/suds/wiki/Documentation#LOGGING

and also simply by seeing the last message that went in and out by using
the client, with client.last_sent() and client.last_received()

On Thu, Nov 21, 2013 at 5:33 AM, Gauthier Bastien
wrote:
> Did you try with suds-jurko?
>
> Have a nice end of day,
>
> Gauthier Bastien   http://www.imio.be
> Zoning industriel, 34
> 5190 Mornimont
> Tél: [phone]
> Fax: [phone]
> [e-mail]
>
> La mutualisation informatique
> au service des pouvoirs locaux
> Le 21/11/2013 12:31, Matteo Gnudi a écrit :
>
> Hello, I'm using SUDS 0.4 and TGWebServices 1.2.4 to expose a webservice
> which should return a ComplexType (I'm pretty new to all of this), but
> something's not working correctly when this WS is invoked: the output is
> what I expected it to be, but I receive it as the message of a WebFault.
> Here are the details:
>
> class AuthenticationResponse(object):
>     ticket = str
>     error = ''
>     def __init__(self, error="", ticket=""):
>         self.ticket = ticket
>         self.error = error
>
> class WebService(WebServicesRoot):
> @wsexpose(AuthenticationResponse)
> @wsvalidate(str,str)
> def authentication(self, username='', password=''):
>     result = AuthenticationResponse()
>     if not (username and password):
>         result.error = "Insert both username and password"; return
>
> result
>         va = validate_auth(username, encrypt_pw(password)) #Checks if the
> credentials are valid
>         if va:
>             ticket =
> base64.urlsafe_b64encode(uuid.uuid4().bytes).replace('=',  '')
>             mem[ticket] = dict(expires =
> datetime.datetime.now()+datetime.timedelta(hours=1), user = username)
>             result.ticket = ticket; return result
>         else:
>             result.error = "Incorrect username or password"; return result
>
> This is what happens:
> client.service.authentication(username='foo', password='bar')
>
> WebFault                                  Traceback (most recent call last)
>
> /home/matteo/buildout/trunk/<ipython console> in <module>()
>
> /home/matteo/buildout/eggs/suds-0.4-py2.6.egg/suds/client.pyc in
> __call__(self, *args, **kwargs)
>     540                 return (500, e)
>     541         else:
> --> 542             return client.invoke(args, kwargs)
>     543
>     544     def faults(self):
>
> /home/matteo/buildout/eggs/suds-0.4-py2.6.egg/suds/client.pyc in
> invoke(self, args, kwargs)
>     600                 timer)
>     601         timer.start()
> --> 602         result = self.send(soapenv)
>     603         timer.stop()
>     604         metrics.log.debug(
>
> /home/matteo/buildout/eggs/suds-0.4-py2.6.egg/suds/client.pyc in
> send(self, soapenv)
>     647             else:
>     648                 log.error(self.last_sent())
> --> 649                 result = self.failed(binding, e)
>     650         return result
>     651
>
> /home/matteo/buildout/eggs/suds-0.4-py2.6.egg/suds/client.pyc in
> failed(self, binding, error)
>     700         if status == 500:
>     701             if len(reply) > 0:
> --> 702                 r, p = binding.get_fault(reply)
>     703                 self.last_received(r)
>     704                 return (status, p)
>
> /home/matteo/buildout/eggs/suds-0.4-py2.6.egg/suds/bindings/binding.pyc in
> get_fault(self, reply)
>     263         p = unmarshaller.process(fault)
>     264         if self.options().faults:
> --> 265             raise WebFault(p, faultroot)
>     266         return (faultroot, p.detail)
>     267
>
> WebFault: Server raised fault: '(('result', <type 'str'>, {'ticket':
> 'blahblahblahdiblah', 'error': ''}), {}, <bound method SoapController.index
> of <tgwebservices.soap.SoapController object at 0x1d141d10>>)'
>
> I was expecting an instance of the AuthenticationResponse object with
> the correct parameters being set.
>
> What am I doing wrong? Is this something about SUDS or TGWS?
>
> Thanks in advance for your support.
>
> suds mailing [e-mail]://admin.fedoraproject.org/mailman/listinfo/suds
>
> suds mailing list
> [e-mail]
> https://admin.fedoraproject.org/mailman/listinfo/suds