from sys import argv, exit

commandlist = { '0':'list_needed_attributes', '1':'generateschema'}


		if ((argv[1] == '') or (not commandlist.has_key(str(argv[2]))) or (argv[3] == '')): 
			usage()
		else:
			pprint('main')
			print commandlist[argv[2]]
			#getattr(modules["__main__"],commandlist[argv[2]]
			getattr(modules["__main__"],'list_needed_attributes')