console.py

#!/usr/bin/python3
""" console.py """
import cmd
from models import storage
from models.base_model import BaseModel
from models.user import User
from models.state import State
from models.city import City
from models.amenity import Amenity
from models.place import Place
from models.review import Review


class HBNBCommand(cmd.Cmd):
    """ hbnb """
    prompt = '(hbnb) '
    __my_class = ["BaseModel", "User", "Place",
                  "State", "City", "Amenity", "Review"]

    def do_quit(self, arg):
        """ Quit console """
        return True

    def do_EOF(self, arg):
        """ exit file with eof """
        print("")
        return True

    def emptyline(self):
        """ empty line """
        pass

    def do_create(self, arg):
        """ create class instance """
        args = arg.split()
        if len(args) == 0:
            print("** class name missing **")
        elif args[0] not in self.__my_class:
            print("** class doesn't exist **")
        else:
            instance = eval(args[0])()
            instance.save()
            print(instance.id)

    def do_show(self, arg):
        """ show str repr """
        args = arg.split()
        if not args:
            print("** class name missing **")
        elif args[0] not in self.__my_class:
            print("** class doesn't exist **")
        elif len(args) < 2:
            print("** instance id missing **")
        else:
            objects = storage.all()
            key = f"{args[0]}.{args[1]}"
            if key in objects:
                print(objects[key])
            else:
                print("** no instance found **")

    def do_destroy(self, arg):
        """ Remove instance based id """
        args = arg.split()
        if not args:
            print("** class name missing **")
        elif args[0] not in self.__my_class:
            print("** class doesn't exist **")
        elif len(args) < 2:
            print("** instance id missing **")
        else:
            objects = storage.all()
            key = f"{args[0]}.{args[1]}"
            if key in objects.keys():
                del objects[key]
                storage.save()
            else:
                print("** no instance found **")

    def do_all(self, arg):
        """ Print all string reprs """
        args = arg.split()
        if len(args) == 0 or args[0] in self.__my_class:
            objects = storage.all()
            for value in objects.values():
                print(str(value))
        else:
            print("** class doesn't exist **")

    def do_update(self, arg):
        """ update instance based id """
        args = arg.split()
        if not args:
            print("** class name missing **")
        elif args[0] not in self.__my_class:
            print("** class doesn't exist **")
        elif len(args) < 2:
            print("** instance id missing **")
        elif len(args) < 3:
            print("** attribute name missing **")
        elif len(args) < 4:
            print("** value missing **")
        else:
            objects = storage.all()
            key = f"{args[0]}.{args[1]}"
            if key in objects:
                obj = objects[key]
                setattr(obj, args[2], args[3])
                obj.save()
            else:
                print("** no instance found **")


if __name__ == '__main__':
    HBNBCommand().cmdloop()