Python看不到外部对象

Question

*我相信是lvl1[(x,y)] = getattr(__import__('mapTiles'), tile_name)(x, y)造成了这个问题，我把它改成了直接导入，同样的问题，这里的循环导入是。。。mapTiles导入world，在load_tiles()函数中，它导入mapTiles。我不知道如何重组这个来阻止循环，有什么想法吗？* 我正在做一个文本RPG游戏，我有所有的瓷砖编码，能够与之互动，但当我去运行游戏，它给我下面的错误。我在任何地方都看不到循环导入，所以我不明白发生了什么。（如果您需要其他代码，请告诉我）

错误：（由在播放中调用的load\u tiles（）引起）

getattr(__import__('mapTiles'), tile_name)(x, y)
AttributeError: module 'mapTiles' has no attribute 'PlainsTile'

只显示基类和一个图块，因为大约有十个不同的图块 地图瓷砖.py你知道吗

import actions, items, enemies, actions, world
class MapTile:
    def __init__(self,name, x, y, intro, description):
        self.x = x 
        self.y = y
        self.intro = intro

    def intro_text(self):
        return self.intro

    def terrain_interacts(self, terrain):
        # For elemental effects
        pass

    def randomize_interactions(self, tile):
        # Randomize enemy and loot spawns
        pass



    # Default actions
    def adjacent_moves(self):
        # Returns all move actions for adjacent tiles
        moves = []
        if world.tile_exists(self.x + 1, self.y):
            moves.append(actions.MoveEast())
        if world.tile_exists(self.x - 1, self.y):
            moves.append(actions.MoveWest())
        if world.tile_exists(self.x, self.y - 1):
            moves.append(actions.MoveNorth())
        if world.tile_exists(self.x, self.y + 1):
            moves.append(actions.MoveSouth())
        moves.append(actions.ViewInventory)
        return moves


    def available_actions(self):
        # Returns all available actions for the current tile
        moves = self.adjacent_moves()
        return moves


class PlainsTile(MapTile):
    def __init__(self, x, y):
        self.name = "PlainsTile"
        self.intro = "You enter a plains"
        self.description = "A span of clear land, with the tall grass waving in the wind"
        super().__init__(
            name=self.name,
            intro=self.intro,
            description=self.description,
            x=self.x,
            y=self.y
        )

你知道吗播放.py你知道吗

#play.py
import character, world

def play_game(player):
    world.load_tiles()
    print("Called")
    #These lines load the starting room and display the text
    tile = world.tile_exists(x=player.location_x, y=player.location_y)
    if tile != None:
        print(tile)
    while player.is_alive() and not player.victory:
        tile = world.tile_exists(player.location_x, player.location_y)
        # Check again since the room could have changed the player's state
        if player.is_alive() and not player.victory:
            print("Choose an action:\n")
            last[0] = player.location_x
            last[1] = player.location_y
            if tile != None:
                available_actions = tile.available_actions()
                if tile.name == 'BossTile' and player.victory:
                    tile.modify_character(player)
                for action in available_actions:
                    print(available_actions.name)
                for action in available_actions:

                    action_input = input("Choose an action ya prick: ")
                    if action_input == "quit":
                        quit()
                    if action_input == action.keyword:
                        player.do_action(action, **action.kwargs)
                        break
                    else:
                        print("Please choose one of the listed actions")
            else:
                print("You cannot go that way")

你知道吗世界.py你知道吗

# No imports
lvl1 = {}

def load_tiles():
    """Parses a file that describes the world space into the _world object"""
    with open('m1.txt', 'r') as f:
        rows = f.readlines()
    x_max = len(rows[0].split('\t')) # Assumes all rows contain the same number of tabs
    for y in range(len(rows)):
        cols = rows[y].split('\t')
        for x in range(x_max):
            tile_name = cols[x].replace('\n', '') # Windows users may need to replace '\r\n'
            if tile_name == 'StartingRoom':
                global starting_position
                starting_position = (x, y)
            if tile_name == '':
                lvl1[(x, y)] = None
            else:
                getattr(__import__('mapTiles'), tile_name)(x, y)
def tile_exists(x,y):
    return lvl1.get((x,y))

从所有其他文件导入

#items.py
#No imports

#actions.py
from play import player
import items
#enemies.py
import random

#character.py
import world, items, random

Answer 1

我修复了它，错误是从getattr导入的。我合并了这两个文件，添加了try/except来捕获索引错误，并添加了一组条件，在任何坐标处实例化tile名称。 我不明白的是，为什么你们中的任何一个人会拒绝说出我做错了什么，但仍然投反对票。如果你拒绝指出别人的错误，你怎么能期望他们变得更好呢。如果你想夺走名声，至少说说原因。难怪我的朋友拒绝使用这个网站，从来没有真正得到帮助。你知道吗