Shop routine, maintain shop and player inventory (with item quantities)

shop.py

import logging
from dataclasses import dataclass, field


@dataclass
class ShopItem:
    name: str
    quantity: int
    price: int

    def remove_inventory(self):
        if self.quantity == 0:
            print("There are none left.")
            return
        else:
            self.quantity -= 1
            logging.info(f"{self.quantity=}")

    def __str__(self):
        return f"({self.quantity:2}x) {self.name:<20} ${self.price:,<}"


@dataclass
class InventoryItem:
    name: str
    quantity: int

    def find_by_name(self, item_to_find: str):
        return self.name == item_to_find

    def __str__(self):
        return f"({self.quantity:2}x) {self.name:<20}"


@dataclass
class Player:
    money: int
    inventory: list[InventoryItem] = field(default_factory=InventoryItem)

    def add_to_inventory(self, item_name: str, item_quantity: int):
        logging.info(f"{item_name in self.inventory=}")
        # thanks, google gemini for this bit:
        item_found = False
        for item in self.inventory:
            if item.name == item_name:
                item.quantity += item_quantity
                item_found = True
                break

        # Only add a new entry if the item wasn't found
        if not item_found:
            self.inventory.append(InventoryItem(item_name, item_quantity))


if __name__ == '__main__':
    # initialize logging:
    logging.basicConfig(level="DEBUG")

    shop_items = [ShopItem('Banana', 10, 2),
                  ShopItem('Strawberry', 5, 4),
                  ShopItem('Apple', 7, 6),
                  ShopItem("Magic Wand", 1, 1000)]

    rulan = Player(money=1000, inventory=[InventoryItem('Banana', 2)])

    print('\nYou are in the shop.')
    while True:
        print('\nWhat would you like to buy?\n')
        for num, item in enumerate(shop_items, start=1):
            # Item.__str__ method handles printing fancy item listing:
            print(f"{num:3}. {item}")
        print("  B. Account balance")
        print("  I. Inventory")
        print("  Q. Quit")
        choice = input(f"\nWhich item [1-{len(shop_items)}]? ")
        print()
        if choice.lower() == "q":
            print("Bye!")
            break

        elif choice.lower() == 'b':
            print(f'You have ${rulan.money:,}.')
            continue

        elif choice.lower() == 'i':
            if rulan.inventory:
                print('Inventory:')
                for i, item in enumerate(rulan.inventory, start=1):
                    print(f"{i:3}. {item}")
            else:
                print("You are carrying nothing.")
            continue

        else:
            # purchase a numbered item:
            option = int(choice) - 1
            if option in range(len(shop_items)):
                """
                >>> shop_items[option].name
                'Magic Wand'
                """
                purchase = shop_items[option]
                if purchase.price > rulan.money:
                    print("You cannot afford that!")
                    continue
                elif purchase.price <= rulan.money:
                    # TODO: implement buying more than one at once
                    purchase.remove_inventory()
                    rulan.add_to_inventory(purchase.name, 1)
                    rulan.money -= purchase.price
            else:
                print("That is not available!")