python parse args

1# parsing arguments with argparse is too easy
2import argparse
3
4parser = argparse.ArgumentParser(description='Process some integers.')
5parser.add_argument('integers', metavar='N', type=int, nargs='+',
6                    help='an integer for the accumulator')
7parser.add_argument('--sum', dest='accumulate', action='store_const',
8                    const=sum, default=max,
9                    help='sum the integers (default: find the max)')
10
11args = parser.parse_args()
12print(args.accumulate(args.integers))

1import argparse
2
3parser = argparse.ArgumentParser()
4parser.add_argument('file', type=argparse.FileType('r'))
5args = parser.parse_args()
6
7print(args.file.readlines())

1parser.add_argument("-v", "--verbose", action="store_true",
2                    default="your default value", help="verbose output")

1# Generic parser function intialization in PYTHON
2def create_parser(arguments):
3    """Returns an instance of argparse.ArgumentParser"""
4    # your code here
5    
6    parser = argparse.ArgumentParser(
7        description="Description of your code")
8    parser.add_argument("argument", help="mandatory or positional argument")
9    parser.add_argument("-o", "--optional", 
10    	help="Will take an optional argument after the flag")
11    namespace = parser.parse_args(arguments)
12    
13    # Returns a namespace object with your arguments
14    return namespace
15

1parser.add_argument("-v", "--verbose", action="store_true",
2                    help="verbose output")