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a free layer to create logics for your arguments

Project description

logicparser

A free layer to create logics for your arguments

Getting Started

logicparser is a python package that allow you to create logic and dependncies between CLI arguments. These instructions will install logicparser to your machine.

Prerequisites

  • Python3
  • PIP3

Installation

pip3 install logicparser 

Usage

Define arguments

The class used to create a new argument is imported in this way:

from logicparser import Argument

arg = Argument(arg_name='--arg-name')

metavar

arg = Argument(arg_name='--arg-name', metavar='ARG_VALUE')

action

arg = Argument(arg_name='--arg-name', action='store_true')

help

arg = Argument(arg_name='--arg-name', help='This message will be show when you will define -h arg')

Add relationships

require

You can define that an argument can be defined only if others arguments are defined previously

arg = Argument(
    arg_name='arg-name',
    require=('--other-arg',))

conflict

You can define that an argument cannot be defined if other arguments are defined previously

arg = Argument(
    arg_name='arg-name',
    conflict=('--other-arg',))

dependency

You can define that an arguments can be defined only if at least one of others arguments is defined

arg = Argument(
    arg_name='arg-name',
    dependency=('--other-arg1', 'other-arg2',))

Parse arguments

When you have defined the list of your arguments you can play args validation parsing them.

from logicparser import Argument, ArgumentHandler

args = ArgumentHandler([
    Argument(arg_name='--arg-name', ...),
    Argument(arg_name='--arg-name2', ...),
    Argument(arg_name='--arg-name3', ...),
    ...
]).args

Contributing

Please read CONTRIBUTING.md for details on code of conduct, and the process for submitting pull requests.

License

This project is licensed under the MIT License, read LICENSE for details

Author

  • Giuseppe "mastrobirraio" Matranga - Initial work - Github

Project details


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