Class probkem - getting msg that self not defined

[wes weston]

Andrew Robert wrote:
> Hi Everyone,
> 
> I am having a problem with a class and hope you can help.
> 
> When I try to use the class listed below, I get the statement that self
> is not defined.
> 		
> test=TriggerMessage(data)

self is not known here; only inside the class.

> var = test.decode(self.qname)
> 
> I would have thought that self would have carried forward when I grabbed
> an instance of TriggerMessage.
> 
> Any ideas on this?
> 
> 
> 
> The class in question is:
> 
> 
> class TriggerMessage(object):
> 	
> 	def __init__(self,data):
> 		"""
> 		Unpacks the passed binary data based on the MQTCM2 format dictated in
> 		the MQ Application Programming Reference
> 		"""
> 
> 		self.data=data
> 		self.structid=None
> 		self.version=None
>                 self.qname=None
> 		self.procname=None
> 		self.trigdata=None
> 		self.appltype=None
> 		self.applid=None
> 		self.envdata=None
> 		self.userdata=None
> 		self.qmgr=None
> 
> 
> 	def decode(self):
> 		import struct
> 		format='4s 4s 48s 48s 64s 4s 256s 128s 128s 48s'
> 		size=struct.calcsize(format)
> 	        self.data=data	
> 		self.structid, self.version, self.qname, self.processname,       \
> 				self.triggerdata, self.appltype, self.applid,    \
> 				self.envdata, self.userdata, self.qmgr           \
> 				= struct.unpack(format,self.data)