CODEWITHSUNDEEP
pythondjangolistdjango-templates
KingFish
KingFish

Reputation: 9163

Changing a list output after a certain number of variables

I have a list:

c = [1,2,3,4,5,6,7,8]

in my template, I want to output this as follows:

<table>
  <tr>
    <td>1</td>
    <td>2</td>
    <td>...</td>
  </tr>
</table>

<table>
  <tr>
    <td>5</td>
    <td>...</td>
    <td>8</td>
  </tr>
</table>

What is the best way to do this?

Upvotes: 1

Views: 53

Answers (2)

iuysal
iuysal

Reputation: 665

If you'd like to make it more generic, you can also use the built in divisibleby tag

{% for value in c %}

    {% if forloop.counter0|divisibleby:cut_off %}
        <table>
            <tr>
    {% endif %}

    <td>{{value}}</td>

    {% if forloop.counter|divisibleby:cut_off %}
            </tr>
        </table>
    {% endif %}

{% endfor %}

where c is the list and cut_off is the slicing number (e.g. 4 in your question). These variables are supposed to be sent the to the template in your view.

Upvotes: 2

alecxe
alecxe

Reputation: 473873

You can use slice template filter:

<table>
  <tr>
    {% for value in c|slice:":4" %}
        <td>{{ value }}</td>
    {% endfor %}
  </tr>
</table>

<table>
  <tr>
    {% for value in c|slice:"4:" %}
        <td>{{ value }}</td>
    {% endfor %}
  </tr>
</table>

Assuming c is passed in the template context.

slice basically follows usual python slicing syntax:

>>> c = [1,2,3,4,5,6,7,8]
>>> c[:4]
[1, 2, 3, 4]
>>> c[4:]
[5, 6, 7, 8]

Upvotes: 1

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