Method checksum

Lib/test/test_zlib.py:141–147

Compute the checksum of data with a given initial value. The *init* value is parsed by ``parse_iv``.

(self, data, init=None)

        return iv

    def checksum(self, data, init=None):
        """Compute the checksum of data with a given initial value.

        The *init* value is parsed by ``parse_iv``.
        """
        iv = self.parse_iv(init)
        return self._checksum(data, iv)

    def _checksum(self, data, init):
        raise NotImplementedError