Class Message

django/contrib/messages/storage/base.py:8–46

Represent an actual message that can be stored in any of the supported storage classes (typically session- or cookie-based) and rendered in a view or template.

class Message:
    """
    Represent an actual message that can be stored in any of the supported
    storage classes (typically session- or cookie-based) and rendered in a view
    or template.
    """

    def __init__(self, level, message, extra_tags=None):
        self.level = int(level)
        self.message = message
        self.extra_tags = extra_tags

    def _prepare(self):
        """
        Prepare the message for serialization by forcing the ``message``
        and ``extra_tags`` to str in case they are lazy translations.
        """
        self.message = str(self.message)
        self.extra_tags = str(self.extra_tags) if self.extra_tags is not None else None

    def __eq__(self, other):
        if not isinstance(other, Message):
            return NotImplemented
        return self.level == other.level and self.message == other.message

    def __str__(self):
        return str(self.message)

    def __repr__(self):
        extra_tags = f", extra_tags={self.extra_tags!r}" if self.extra_tags else ""
        return f"Message(level={self.level}, message={self.message!r}{extra_tags})"

    @property
    def tags(self):
        return " ".join(tag for tag in [self.extra_tags, self.level_tag] if tag)

    @property
    def level_tag(self):
        return LEVEL_TAGS.get(self.level, "")


class BaseStorage: