python 为什么 super(Thread, self).__init__() 不适用于 threading.Thread 子类？
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Why doesn't super(Thread, self).__init__() work for a threading.Thread subclass?
提问by Carl G
Every object I know of in Python can take care of its base class initialization by calling:
我在 Python 中知道的每个对象都可以通过调用来处理其基类初始化：
super(BaseClass, self).__init__()
This doesn't seem to be the case with a subclass of threading.Thread, since if I try this in SubClass.__init__(), I get:
的子类似乎不是这种情况threading.Thread，因为如果我在 中尝试这个SubClass.__init__()，我会得到：
RuntimeError: thread.__init__() not called
What gives this error? I looked at the source for threading.Threadand it looks like that __init__method should set Thread.__initialized = True. I see that all examples use the following __init__:
是什么导致了这个错误？我查看了源代码，threading.Thread看起来该__init__方法应该设置Thread.__initialized = True. 我看到所有示例都使用以下内容__init__：
class YourThread(threading.Thread):
def __init__(self, *args):
threading.Thread.__init__(self)
# whatev else
But why?
但为什么？
回答by Alex Martelli
This works fine:
这工作正常：
>>> class MyThread(threading.Thread):
... def __init__(self):
... super(MyThread, self).__init__()
I think your code's bug is that you're passing the baseclass, rather than the currentclass, to super-- i.e. you're calling super(threading.Thread, ..., and that's just wrong. Hard to say since you don't show your failing code, but that's what I infer obliquely from the language you're using!-)
我认为您的代码的错误在于您将基类而不是当前类传递给super- 即您正在调用super(threading.Thread, ...，这是错误的。很难说，因为你没有展示你失败的代码，但这就是我从你使用的语言中间接推断出来的！-)
