Read the CodeAttribute from the byte string `info`.

        .. note::

            Advanced usage only. You will typically never need to call this
            method as it will be called for you when loading a ClassFile.

        :param info: A byte string containing an unparsed CodeAttribute.

def unpack(self, info):
        """
        Read the CodeAttribute from the byte string `info`.

        .. note::

            Advanced usage only. You will typically never need to call this
            method as it will be called for you when loading a ClassFile.

        :param info: A byte string containing an unparsed CodeAttribute.
        """
        self.max_stack, self.max_locals, c_len = info.unpack('>HHI')
        self._code = info.read(c_len)

        # The exception table
        ex_table_len = info.u2()
        for _ in repeat(None, ex_table_len):
            self.exception_table.append(CodeException(
                *info.unpack('>HHHH')
            ))
        self.attributes = AttributeTable(self.cf, parent=self)
        self.attributes.unpack(info)