Hi!
I am working on my first Django project. I read its entire documentation
and searched both this group and stackoverflow for an answer to my
question and I think what I want can't be achieved, so I'm just posting
this hoping to be wrong and missing something.
I have an index.html template, which gets from its view context a list of
objects from the database to build a dynamic list. This template is then
used as the base template for a couple of others. So, my views which render
the templates that extend the index must also have my list on their context
in order to build the index base list? If I don't pass my list variable in
the context, my base list is empty. I know http requests are stateless and
from what I've got from template inheritance, it's a way to compose a
complex layout without repeating code, but in order to make my dynamic list
work in my base index template, I have to either:
1 - pass my list variable to every template that extends the base one;
2 - extend HttpRequest to always load my list
Do you guys have any other suggestion? Am I doing something wrong? Thank
you very much in advance. Below is the code from my example:
*# views.py:*
def index(request):
datasets = get_list_or_404(DataSet, user=request.user)
context = { 'datasets': datasets }
return render(request, 'datasets/index.html', context)
def detail(request, pk):
ds = get_object_or_404(DataSet, pk=pk)
*datasets = get_list_or_404(DataSet, user=request.user)* *# passing it
to context to be loaded in the index template*
context = { 'dataset': ds, 'datasets': datasets }
return render(request, 'datasets/detail.html', context)
*# index.html:*
{% extends 'base.html' %}
{% block title %}Datasets{% endblock %}
{% block content %}
<div id="sidebar">
<h1>Datasets</h1>
<ul>
{% for ds in datasets %}
<li><a href="{% url 'detail' ds.id %}">{{ ds.name }}</a></li>
{% endfor %}
</ul>
</div>
<div id="ds_content">
{% block ds_content %}
<a href="{% url 'admin:mlweb_dataset_add' %}">Add dataset</a>
{% endblock %}
</div>
{% endblock %}
*# detail.html:*
{% extends 'datasets/index.html' %}
{% block title %}{{dataset.name}}{% endblock %}
{% block ds_content %}
<h1>{{ dataset.name }}</h1>
<a href="{% url 'admin:mlweb_dataset_change' dataset.id %}">Edit</a>
<a href="{% url 'admin:mlweb_dataset_delete' dataset.id %}">Delete</a>
<a href="{% url 'train' dataset.id %}">Train</a>
<a href="{% url 'predict' dataset.id %}">Predict</a>
{% endblock %}
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