How can I use this for loop variable in django?

Question

CODE:

<form>
    <div class="form-group">
    <label for="sel1">Select list (select one):</label>
    <select class="form-control" id="sel1" style="width: 96px">
        {% for i in 150 %} <!-- here is what I ask for -->
            <option>{{ i + 1989 }}</option>
        {% endfor %}
    </select>
    </div>
</form>

I want to make year select form which is from 1900 to 2050.

How can I use i variable in django template tag?

Create list of range and return from view, not directly within template. — Anup Yadav
– Anup Yadav, Commented Mar 16, 2018 at 8:41
Template tags is also good option but to have clean code for business logic I would suggest use in View. Do you need it for Addition? like {{ i + 1989 }} — Anup Yadav
– Anup Yadav, Commented Mar 16, 2018 at 8:45
Business logic means all data and further manipulation like selection while edit is useful if you keep that in VIEW file. Nothing much, this way you can avoid creating duplicate code. — Anup Yadav
– Anup Yadav, Commented Mar 16, 2018 at 8:48

Astik Anand · Accepted Answer · 2018-03-16 08:54:52Z

1

You can use Template range loop from django

syntax

{% range start:step:end as i %}
     {{ i }}
{% endrange %}

Example

{% range 1900:1:2050 as i %}
     {{ i }}
{% endrange %}

answered Mar 16, 2018 at 8:54

Astik Anand

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BKO · Accepted Answer · 2023-04-07 05:48:06Z

0

Here's a much easier solution using django template language filter.

views.py

def my_view(request)
    return render(request, 'my_template.html', {'my_range':range(150)})

my_template.html

{% for i in my_range %}
  {{ i|add:1990 }}
{% endfor %}

answered Apr 7, 2023 at 5:48

BKO

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