Method update

Lib/weakref.py:410–418

(self, dict=None, /, **kwargs)

        return self.data.setdefault(ref(key, self._remove),default)

    def update(self, dict=None, /, **kwargs):
        d = self.data
        if dict is not None:
            if not hasattr(dict, "items"):
                dict = type({})(dict)
            for key, value in dict.items():
                d[ref(key, self._remove)] = value
        if len(kwargs):
            self.update(kwargs)

    def __ior__(self, other):
        self.update(other)