Answers for "from django.contrib import messages"

message in django

from django.contrib import messages

<--Change setting under settings.py
from django.contrib.messages import constants as messages
MESSAGE_TAGS = {
    messages.ERROR: 'danger'
}
-->

{% for message in messages %}
<div class="alert alert-{{ message.tags }} mb-0 alert-dismissible fade show" role="alert">
  <strong>Message: </strong> {{ message }}
  <button type="button" class="close" data-dismiss="alert" aria-label="Close">
    <span aria-hidden="true">&times;</span>
  </button>
</div>
{% endfor %}


<--Add message
messages.debug(request, '%s SQL statements were executed.' % count)
messages.info(request, 'Three credits remain in your account.')
messages.success(request, 'Profile details updated.')
messages.warning(request, 'Your account expires in three days.')
messages.error(request, 'Document deleted.')
-->

django read mesage

{% if messages %}
<ul class="messages">
    {% for message in messages %}
    <li{% if message.tags %} class="{{ message.tags }}"{% endif %}>
        {% if message.level == DEFAULT_MESSAGE_LEVELS.ERROR %}Important: {% endif %}
        {{ message }}
    </li>
    {% endfor %}
</ul>
{% endif %}

django read mesage

{% if messages %}
<ul class="messages">
    {% for message in messages %}
    <li{% if message.tags %} class="{{ message.tags }}"{% endif %}>{{ message }}</li>
    {% endfor %}
</ul>
{% endif %}

from django.contrib import messages

{% if messages %}
    {% for message in messages %}
    <p id="messages">{{message}}</p>
    {% endfor %}
{% endif %}

django messages

from django.contrib import messages
messages.add_message(request, messages.INFO, 'Hello world.')

django.contrib.messages

from django.contrib.messages import constants
from django.contrib.messages.storage import default_storage

__all__ = (
    'add_message', 'get_messages',
    'get_level', 'set_level',
    'debug', 'info', 'success', 'warning', 'error',
    'MessageFailure',
)


class MessageFailure(Exception):
    pass


[docs]def add_message(request, level, message, extra_tags='', fail_silently=False):
    """
    Attempt to add a message to the request using the 'messages' app.
    """
    try:
        messages = request._messages
    except AttributeError:
        if not hasattr(request, 'META'):
            raise TypeError(
                "add_message() argument must be an HttpRequest object, not "
                "'%s'." % request.__class__.__name__
            )
        if not fail_silently:
            raise MessageFailure(
                'You cannot add messages without installing '
                'django.contrib.messages.middleware.MessageMiddleware'
            )
    else:
        return messages.add(level, message, extra_tags)


[docs]def get_messages(request):
    """
    Return the message storage on the request if it exists, otherwise return
    an empty list.
    """
    return getattr(request, '_messages', [])


def get_level(request):
    """
    Return the minimum level of messages to be recorded.

    The default level is the ``MESSAGE_LEVEL`` setting. If this is not found,
    use the ``INFO`` level.
    """
    storage = getattr(request, '_messages', default_storage(request))
    return storage.level


def set_level(request, level):
    """
    Set the minimum level of messages to be recorded, and return ``True`` if
    the level was recorded successfully.

    If set to ``None``, use the default level (see the get_level() function).
    """
    if not hasattr(request, '_messages'):
        return False
    request._messages.level = level
    return True


def debug(request, message, extra_tags='', fail_silently=False):
    """Add a message with the ``DEBUG`` level."""
    add_message(request, constants.DEBUG, message, extra_tags=extra_tags,
                fail_silently=fail_silently)


def info(request, message, extra_tags='', fail_silently=False):
    """Add a message with the ``INFO`` level."""
    add_message(request, constants.INFO, message, extra_tags=extra_tags,
                fail_silently=fail_silently)


def success(request, message, extra_tags='', fail_silently=False):
    """Add a message with the ``SUCCESS`` level."""
    add_message(request, constants.SUCCESS, message, extra_tags=extra_tags,
                fail_silently=fail_silently)


def warning(request, message, extra_tags='', fail_silently=False):
    """Add a message with the ``WARNING`` level."""
    add_message(request, constants.WARNING, message, extra_tags=extra_tags,
                fail_silently=fail_silently)


def error(request, message, extra_tags='', fail_silently=False):
    """Add a message with the ``ERROR`` level."""
    add_message(request, constants.ERROR, message, extra_tags=extra_tags,
                fail_silently=fail_silently)