Index: /issm/trunk-jpl/src/m/classes/organizer.py
===================================================================
--- /issm/trunk-jpl/src/m/classes/organizer.py	(revision 16099)
+++ /issm/trunk-jpl/src/m/classes/organizer.py	(revision 16100)
@@ -28,4 +28,5 @@
 		self.repository    ='./'
 		self.prefix        ='model.'
+		self.extension        ='' #default extension of python to save models.
 		self.trunkprefix   =''
 		self.steps         =[]
@@ -53,4 +54,7 @@
 		#Get steps
 		self.requestedsteps=options.getfieldvalue('steps',[0])
+		
+		#Get extension
+		self.extension=options.getfieldvalue('extension','')
 
 		#Get trunk prefix (only if provided by user)
@@ -68,4 +72,5 @@
 		s+="%s\n" % "   Repository: '%s'" % self.repository
 		s+="%s\n" % "   Prefix:     '%s'" % self.prefix
+		s+="%s\n" % "   Extension:     '%s'" % self.extension
 		if not self.steps:
 			s+="%s\n" % "   no step"
@@ -96,5 +101,5 @@
 		if not isinstance(string,(str,unicode)):
 			raise TypeError("argument provided is not a string")
-		path=os.path.join(self.repository,self.prefix+'.step#'+string+'.db')
+		path=os.path.join(self.repository,self.prefix+'.step#'+string+'.python'+self.extension)
 
 		#figure out if the model is there, otherwise, we have to use the default path supplied by user.
@@ -105,5 +110,5 @@
 		#If we are here, the model has not been found. Try trunk prefix if provided
 		if self.trunkprefix:
-			path2=os.path.join(self.repository,self.trunkprefix+string)
+			path2=os.path.join(self.repository,self.trunkprefix+string+self.extension)
 			if not os.path.exists(path2):
 				raise IOError("Could find neither '%s' nor '%s'" % (path,path2))
@@ -157,5 +162,5 @@
 			raise RuntimeError("Cannot save model because organizer (org) is not up to date!")
 
-		name=os.path.join(self.repository,self.prefix+'.step#'+self.steps[self._currentstep-1]['string'])
+		name=os.path.join(self.repository,self.prefix+'.step#'+self.steps[self._currentstep-1]['string']+'.python')
 		print "saving model as: '%s'" % name