How to access object attribute via django variable?

Question

I want to convert this code to something more inheritable to avoid coding. Consider that my code is simple and simple answer is need.

{{ entity.name }}
{{ entity.description }}

I want to convert to such code:

{% for attribute in attributes %}
{{ entity ??? }} == entity.get_attr(attribute)
{% end for %}

What is valid syntax for it?

You'll need to write a customm template tag/filter.

Daniel Roseman
– Daniel Roseman

2015-07-20 12:13:39 +00:00
Commented Jul 20, 2015 at 12:13 — Daniel Roseman
– Daniel Roseman, Commented Jul 20, 2015 at 12:13
djangosnippets.org/snippets/411

Anentropic
– Anentropic

2015-07-20 12:31:17 +00:00
Commented Jul 20, 2015 at 12:31 — Anentropic
– Anentropic, Commented Jul 20, 2015 at 12:31

Kirill Ermolov · Accepted Answer · 2015-07-20 12:42:32Z

2

The easiest example with filter:

# templatetags.ry
from django import template


register = template.Library()

@register.filter
def get_attr(object, name):
    return getattr(object, name, '')

Your template:

{% load templatetags %}


{% for attribute in attributes %}
    {{ entity|get_attr:attribute }}
{% end for %}

answered Jul 20, 2015 at 12:42

Kirill Ermolov

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2 Comments

Chameleon Over a year ago

Is not possible to do entity[name]?

Kirill Ermolov Over a year ago

It's possible if you use jinja2. But in jinga1 you have to use custom filter.

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