def in_reply()

in message_flow/commands/common/command_message_headers.py [0:0]

• 7 lines of code
• 2 McCabe index (conditional complexity)

    def in_reply(header: str) -> str:
        if not header.startswith(CommandMessageHeaders.COMMAND_HEADER_PREFIX):
            raise WrongHeader(f"Command message contains a wrong header {header}")

        command_prefix_length = len(CommandMessageHeaders.COMMAND_HEADER_PREFIX)
        return (
            CommandMessageHeaders.COMMAND_REPLY_PREFIX + header[command_prefix_length:]
        )