Python：访问其他类对象
我有一个关于 python3 中的类的问题。在我的程序中，我有一个“主”类，它首先开始并设置程序其他部分所需的一些参数。但是现在我的其他类需要主类的一些对象。每次子类需要对象时，如何在不初始化主类的情况下使用主类的对象？我研究了 python 继承，但也许我没有正确理解它
class Chunk(main.Main):
def __init__(self,pos_in_world_x,pos_in_world_y):
#self.chunksize = settings.blocks_per_chunk
self.prog = main.Main.prog
self.ctx = main.Main.ctx
这是我的子类代码
慕少森浏览 299回答 2
2回答
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慕瓜9503470
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森林海
您可以使用类变量：class Main(): prog = 1 ctx = 2 def __init__(self): passclass Chunk(Main): def __init__(self, pos_in_world_x, pos_in_world_y): self.prog = Main.prog self.ctx = Main.ctxa = Chunk(3, 4)print(a.prog) # 1print(a.ctx) # 2如果你不能改变Main将你的定义移到外面__init__，那么你所要求的就是不可能的。如果您的变量是在 中定义的__init__，则您不能在调用 之前访问它__init__，即初始化类。你绕不开这个。
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