Newbie: How to implement a app/module, which I can include from my html?

[ThomasTheDjangoFan]

Hi guys,

I want to display a block of category-links in various places of the website. Those links are populated by making a Category.objects.all request in a view. So right now it seems like each view that should contain those links needs to put the "Category" Model in its context.

Now I would be really thankful for a tip on how to NOT repeat myself (DRY):
Is there a way to "{% include 'category-links.html' %}" and have the .html get its content from a specific view?

Kind regards
Thomas

[James Bennett]

The usual way would be to write a custom template tag that fetches the objects and puts them into the template context.

[ThomasTheDjangoFan]

Oh ok.

so it would be something like:

in home.html
{% include 'category-list.html' %}

in category-lists.html
{% load those_categories %}
<!-- display the categories as html -->

?

[Mario Gudelj]

https://docs.djangoproject.com/en/dev/howto/custom-template-tags/#inclusion-tags here you go chief

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[Collin Anderson]

Assignment tags are my favorite.

@register.assignment_tag
def get_categories():
    return Category.objects.all()

{% get_categories as categories %}
{% for category in categories %}
{{ category }}
{% endfor %}

Collin