Function parse_message_id

Lib/email/_header_value_parser.py:2171–2189

message-id = "Message-ID:" msg-id CRLF

(value)

def parse_message_id(value):
    """message-id      =   "Message-ID:" msg-id CRLF
    """
    message_id = MessageID()
    try:
        token, value = get_msg_id(value)
        message_id.append(token)
    except errors.HeaderParseError as ex:
        token = get_unstructured(value)
        message_id = InvalidMessageID(token)
        message_id.defects.append(
            errors.InvalidHeaderDefect("Invalid msg-id: {!r}".format(ex)))
    else:
        # Value after parsing a valid msg_id should be None.
        if value:
            message_id.defects.append(errors.InvalidHeaderDefect(
                "Unexpected {!r}".format(value)))

    return message_id

def parse_message_ids(value):
    """in-reply-to     =   "In-Reply-To:" 1*msg-id CRLF