Hey Bruno,

Although I have not tested it, this appears to be it exactly.


Some confusion though.

<snip

</snip>
> import struct
> 
> class TriggerMessage(object):
>     def __init__(self,data):
>         """
>         Unpacks the passed binary data based on the
>         MQTCM2 format dictated in
>         the MQ Application Programming Reference
>         """
I am okay up to here :).

After that, well..

What does the _ before the variables mean?

Why are you defining _format and _data here? I would have thought it
belongs in the decode section.

I think it is very slick but I would like to try and understand your
approach.

Also, why assert in calculating the struct size?

Very cool how you did this.



>         self._format = '4s 4s 48s 48s 64s 4s 256s 128s 128s 48s'
>         self._data = data
> 
>         (self.version,
>          self.qname,
>          self.processname,
>          self.triggerdata,
>          self.appltype,
>          self.applid,
>          self.envdata,
>          self.userdata,
>          self.qmgr) = self._decode()
> 
>     def _decode(self):
>         assert len(self._data) == struct.calcsize(self._format)
>         return struct.unpack(self._format, self._data)
> 
> # test code
> # data = ???
> test=TriggerMessage(data)
> var = test.qname
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