nestargs 1.0.0

Nested arguments parser

nestargs

nestargs is a Python library that defines nested program arguments. It is based on argparse.

Installation

pip install nestargs

Basic usage

Define program arguments in the same way as argparse. A nested structure can be represented by putting a dot in the program argument name.

import nestargs

parser = nestargs.NestedArgumentParser()

parser.add_argument("--apple.n", type=int)
parser.add_argument("--apple.price", type=float)

parser.add_argument("--banana.n", type=int)
parser.add_argument("--banana.price", type=float)

args = parser.parse_args(
    ["--apple.n=2", "--apple.price=1.5", "--banana.n=3", "--banana.price=3.5"]
)
# => NestedNamespace(apple=NestedNamespace(n=2, price=1.5), banana=NestedNamespace(n=3, price=3.5))

Let's take out only the program argument apple.

args.apple
# => NestedNamespace(n=2, price=1.5)

You can also get each value.

args.apple.price
# => 1.5

If you want a dictionary format, you can get it this way.

vars(args.apple)
# => {'n': 2, 'price': 1.5}