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flagparse is library to build command-line interfaces

Project description

Flagparse

Build Status

Flagparse is a library for building modular command-line interfaces with accent on nested commands. This library removes the pain of manually constructing the argument parsing and applying handler for each command, all of this is done by this tiny library.

Installation

pip install flagparse

Usage and documentation

Please see the wiki for basic usage and other documentation of using flagparse.

Here is an example of a simple Flagparse app:

import flagparse


class Sum(flagparse.SubCommand):
    """Sub-command to handle numbers summation."""

    name = "sum"
    arguments = [
        (["integers"],
         dict(metavar="INT",
              type=int,
              nargs="+",
              help="integers to be summed")),
    ]

    def handle(self, args: flagparse.Namespace) -> None:
        print(sum(args.integers))


class Calc(flagparse.Command):
    """A simple calculator that sums numbers."""

    name = "calc"


if __name__ == "__main__":
    Calc(subcommands=[Sum]).parse()

How it looks when run:

$ python main.py sum 1 2 3
6

License

The openflow library is distributed under MIT license, therefore you are free to do with code whatever you want. See the LICENSE file for full license text.

Project details


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