"or find numbers pair with specified sum")
subparsers = parser.add_subparsers(help='sub-command help')
parser_fib = subparsers.add_parser(
"fib", help="Print predetermined count of fibonacci numbers")
parser_fib.add_argument("--number",
"-n",
action="store",
help="A number for print",
type=int)
parser_fib.set_defaults(which='fib')
parser_pairs = subparsers.add_parser(
"print_pairs", help="Return pairs with specified sum.")
parser_pairs.add_argument(
"--arguments",
"-arg",
action='store',
nargs='+',
help="Sequence of numbers, should be like: 1 2 3 7 8 9",
type=int)
parser_pairs.set_defaults(which="print_pairs")
args = parser.parse_args()
if args.which == "fib":
print(fib(args.number))
elif args.which == "print_pairs":
print(print_pairs(*args.arguments))
def test_lengh():
assert len(fib(7)) == 7
group = parser.add_argument_group("Parameters")
group.add_argument("--fib",
"-f",
action='store_true',
help="to run fibonachi")
group.add_argument("--number",
"-n",
action='store',
help="Number of Fibonacci sequence",
type=int,
required=False)
group.add_argument("--pairs",
"-p",
action='store_true',
help="to run pairs")
group.add_argument(
"--list",
"-l",
action='store',
nargs='+',
help="List of int with space delimiter. For example 1 2 3 34 678 ",
type=int,
required=False)
args = parser.parse_args()
if args.fib:
str_fib = str(fib(args.number)).strip('[]')
print(str_fib)
elif args.pairs:
print(pair(*args.list))
def test_output_type():
assert type(fib(7)) is list
def test_arguments(test_input, expected):
assert len(fib(test_input)) == expected
if __name__ == '__main__':
parser = argparse.ArgumentParser(
description="App can return a Fibonacci sequence with given length "
"or find numbers pair with specified sum")
subparsers = parser.add_subparsers(help='sub-command help')
parser_fib = subparsers.add_parser(
'fib', help='Print given number of members of Fibonacci sequence')
parser_fib.add_argument("number",
help="The required number of sequence members",
type=int)
parser_fib.set_defaults(which='fib')
parser_pairs = subparsers.add_parser(
'pairs', help='Return pairs with specified sum.')
parser_pairs.set_defaults(which='pairs')
parser_pairs.add_argument('-n',
'--numbers',
nargs="+",
type=int,
help='List of numbers to check.')
args = parser.parse_args()
if args.which == 'fib':
fib(args.number)
elif args.which == 'pairs':
pairs(*args.numbers)
def test_count(test_input, expected):
assert fib(test_input).__len__() == expected
def test_list(test_input, expected):
assert fib(test_input) == expected