ext_open/ext_open.py

from opts import *
import argparse
parser = argparse.ArgumentParser(prog="ext-open",prefix_chars = "+")
for opt in prefix:
	parser.add_argument(**opt)
for ext in exts:
	sub_parser = parser.add_subparser(ext["ext"])
	for opt in ext["opts"]+common:
		sub_parser.add_argument(**opt)
if name == "__main__":
	args = parser.parse_args()