garyvdm

def with_setup_args(setup, teardown=None):
    """Decorator to add setup and/or teardown methods to a test function::

      @with_setup_args(setup, teardown)
      def test_something():
          " ... "

    The setup function should return (args, kwargs) which will be passed to
    test function, and teardown function.

garyvdm

#!/usr/bin/env python

import argparse
import sys
import collections

parser = argparse.ArgumentParser(description='Show the first 10, and last 10 lines of a file.')
parser.add_argument('infile', nargs='?', default=sys.stdin,
                    help='Input file. Defauts to stdin if not provided.')
parser.add_argument('outfile', nargs='?', default=sys.stdout,