Pack a series of arguments into the Redis protocol

def pack_command(self, *args):
        "Pack a series of arguments into the Redis protocol"
        output = []
        # the client might have included 1 or more literal arguments in
        # the command name, e.g., 'CONFIG GET'. The Redis server expects these
        # arguments to be sent separately, so split the first argument
        # manually. All of these arguements get wrapped in the Token class
        # to prevent them from being encoded.
        command = args[0]
        if ' ' in command:
            args = tuple(Token.get_token(s)
                         for s in command.split()) + args[1:]
        else:
            args = (Token.get_token(command),) + args[1:]

        buff = SYM_EMPTY.join((SYM_STAR, str(len(args)).encode(), SYM_CRLF))

        buffer_cutoff = self._buffer_cutoff
        for arg in imap(self.encoder.encode, args):
            # to avoid large string mallocs, chunk the command into the
            # output list if we're sending large values
            if len(buff) > buffer_cutoff or len(arg) > buffer_cutoff:
                buff = SYM_EMPTY.join(
                    (buff, SYM_DOLLAR, str(len(arg)).encode(), SYM_CRLF))
                output.append(buff)
                output.append(arg)
                buff = SYM_CRLF
            else:
                buff = SYM_EMPTY.join(
                    (buff, SYM_DOLLAR, str(len(arg)).encode(),
                     SYM_CRLF, arg, SYM_CRLF))
        output.append(buff)
        return output