A small cli command helper package
Project description
Climmands
Climmands is a small package that provides a convenient abstraction for cli subcommands.
Each command is described by different class. These classes should inherit from Command
class. The CommandLoader
class is responsible for collecting all commands in module scope. CommandExecutor
execute a proper command and pass it the rest of command line arguments.
Warning: it's a toy and untested package. Use only for your own responsibility!
Installation
$ pip install climmands
Example
#!/usr/bin/env python
import argparse
import climmands
class HelloWorldCommand(climmands.Command):
name = 'hello'
description = 'Print Hello World message'
def execute(self, parsed_arguments):
print('Hello world')
class AddTwoNumbersCommand(climmands.Command):
name = 'add'
description = 'Add two numbers and print result'
def initialize_arguments_parser(self, parser):
parser.add_argument('first', help='First number')
parser.add_argument('second', help='Second number')
def execute(self, parsed_arguments):
first = int(parsed_arguments.first)
second = int(parsed_arguments.second)
result = first + second
print(f'{first} + {second} = {result}')
def main():
parser = argparse.ArgumentParser(description='My great command')
commands = climmands.CommandLoader(parser).load_commands()
executor = climmands.CommandExecutor(commands)
parsed_arguments = parser.parse_args()
if not executor.execute(parsed_arguments):
parser.print_help()
if __name__ == '__main__':
main()
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