def parse_options():
	"""
	parse_options() -> opts, args

	Parse any command-line options given returning both
	the parsed options and arguments.

	https://docs.python.org/2/library/optparse.html

	"""

	parser = optparse.OptionParser(usage=USAGE, version=ontospy.VERSION)

	parser.add_option("-p", "--port",
			action="store", type="int", default=DEFAULT_PORT, dest="port",
			help="A number specifying which port to use for the server.")

	opts, args = parser.parse_args()

	# if not opts.all and not opts.query:
	#	parser.print_help()
	#	sys.exit(0)

	return opts, args
parse_options() -> opts, args

	Parse any command-line options given returning both
	the parsed options and arguments.

	https://docs.python.org/2/library/optparse.html