_threading_local.py 文件源码

def _patch(self):
    key = object.__getattribute__(self, '_local__key')
    d = currentThread().__dict__.get(key)
    if d is None:
        d = {}
        currentThread().__dict__[key] = d
        object.__setattr__(self, '__dict__', d)

        # we have a new instance dict, so call out __init__ if we have
        # one
        cls = type(self)
        if cls.__init__ is not object.__init__:
            args, kw = object.__getattribute__(self, '_local__args')
            cls.__init__(self, *args, **kw)
    else:
        object.__setattr__(self, '__dict__', d)