Method copy

Lib/hmac.py:166–182

Return a separate copy of this hashing object. An update to this copy won't affect the original object.

(self)

        inst.update(msg)

    def copy(self):
        """Return a separate copy of this hashing object.

        An update to this copy won't affect the original object.
        """
        # Call __new__ directly to avoid the expensive __init__.
        other = self.__class__.__new__(self.__class__)
        other.digest_size = self.digest_size
        other.block_size = self.block_size
        if self._hmac:
            other._hmac = self._hmac.copy()
            other._inner = other._outer = None
        else:
            other._hmac = None
            other._inner = self._inner.copy()
            other._outer = self._outer.copy()
        return other

    def _current(self):
        """Return a hash object for the current state.