from typing import Optional from cpl.application.application_abc import ApplicationABC from cpl.console.console import Console from cpl_cli.command import Command from cpl_cli.command_handler import CommandHandler from cpl_cli.commands.help import Help from cpl_cli.commands.version import Version class CLI(ApplicationABC): def __init__(self): ApplicationABC.__init__(self) self._command_handler: Optional[CommandHandler] = None def configure(self): self._command_handler: CommandHandler = self._services.get_service(CommandHandler) self._command_handler.add_command(Command('help', ['h', 'H'], self._services.get_service(Help))) self._command_handler.add_command(Command('version', ['v', 'V'], self._services.get_service(Version))) def main(self): if len(self._configuration.additional_arguments) < 1: Console.error(f'Expected command') Console.error('Run \'cpl help\'') return self._command_handler.handle(self._configuration.additional_arguments[0], self._configuration.additional_arguments[1:])