def deserialize(self, msg_list, content=True, copy=True):
        minlen = 5
        message = {}
        if not copy:
            # pyzmq didn't copy the first parts of the message, so we'll do it
            for i in range(minlen):
                msg_list[i] = msg_list[i].bytes
        if self.auth is not None:
            signature = msg_list[0]
            if not signature:
                raise ValueError("Unsigned Message")
            if signature in self.digest_history:
                raise ValueError("Duplicate Signature: %r" % signature)
            if content:
                # Only store signature if we are unpacking content, don't store if just peeking.
                self._add_digest(signature)
            check = self.sign(msg_list[1:5])
            if not compare_digest(signature, check):
                raise ValueError("Invalid Signature: %r" % signature)
        if not len(msg_list) >= minlen:
            raise TypeError("malformed message, must have at least %i elements"%minlen)
        header = self.unpack(msg_list[1])
        message['header'] = extract_dates(header)
        message['msg_id'] = header['msg_id']
        message['msg_type'] = header['msg_type']
        message['parent_header'] = extract_dates(self.unpack(msg_list[2]))
        message['metadata'] = self.unpack(msg_list[3])
        if content:
            message['content'] = self.unpack(msg_list[4])
        else:
            message['content'] = msg_list[4]
        buffers = [memoryview(b) for b in msg_list[5:]]
        if buffers and buffers[0].shape is None:
            # force copy to workaround pyzmq #646
            buffers = [memoryview(b.bytes) for b in msg_list[5:]]
        message['buffers'] = buffers
        if self.debug:
            pprint.pprint(message)
        # adapt to the current version
        return adapt(message)
Unserialize a msg_list to a nested message dict.
dataset/ETHPy150Open jupyter/jupyter_client/jupyter_client/session.py/Session.deserialize