Messaging framework to include namespaces

[Giggaflop]

Often I am working on building forms where a file is submitted and processed server side, I then return results upon the response as part of the django messaging framework.

I have often noticed that if the request fails but messages have been added to the messaging stack, that they will display at the next opportunity elsewhere on the site. much to the confusion of my users.

I propose adding namespaces to Django messaging such that whenever I'm pushing messages intended for specific sections of my site, they will only display there.

Example view code:

def push_global_message:
    # Note lack of a namespace, this is exactly as current functionality
    messages.warning(request, 'Three credits remain in your account.')

def push_targeted_message:
    # Note how i have included a namespace now to target the message and a TTL to expire the message
    messages.success(request, 'Your file upload has been received and will be processed shortly.', namespace="file_upload", ttl=10)

Example template code:

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

[Tim Graham]

My feeling is that this seems outside the scope of the messaging framework and that it won't be useful to a broad enough audience to be worthwhile, but I'll leave it open for a 2nd opinion.

[Aymeric Augustin]

If the issue is "messages are displayed on the next page, regardless of which page it is", then this solutions requires too much work to be practical, in my opinion.

[Tim Graham]

Giggaflop, if you disagree with us, feel free to raise the subject on django-developers.