pip install cliff
python
import sys
from cliff.app import App
from cliff.command import Command
class HelloWorld(Command):
def take_action(self, parsed_args):
print('Hello World!')
class MyCLI(App):
def __init__(self):
super(MyCLI, self).__init__(
description='My Command Line Interface',
version='1.0',
command_manager='cliff.demo',
deferred_help=True,
)
def initialize_app(self, argv):
self.command_manager.add_command('hello', HelloWorld)
def main(argv=sys.argv[1:]):
mycli = MyCLI()
return mycli.run(argv)
if __name__ == '__main__':
sys.exit(main())
