Ungapatchka subcommand template

subcommand

"""
Short description here
"""

import sys 

from ungapatchka.utils import Opener

def build_parser(parser):
    parser.add_argument('in',
            nargs = '?',
            default = sys.stdin,
            type = Opener('r'),
            help = 'fasta file')
    parser.add_argument('-o', '--out',
            default = sys.stdout,
            type = Opener('w'),
            help = 'ouput file')

def action(args):
    pass