Python script template

pyscript.py

#!/usr/bin/env python

"""A simple python script template.
   
"""

import os
import sys
import argparse

def main(arguments):

    parser = argparse.ArgumentParser(description=__doc__,
                                     formatter_class=argparse.RawDescriptionHelpFormatter)
    parser.add_argument('infile', help = "A required input file",
                        type = argparse.FileType('r'))
    parser.add_argument('-o', '--outfile', help = "An optional output file",
                        default=sys.stdout, type = argparse.FileType('w'))

    args = parser.parse_args(arguments)
    
    print args
    
if __name__ == '__main__':
    sys.exit(main(sys.argv[1:]))