Re: Django Admin: object history not working

Thanks for the clarification, I didn't realize it only applied to changes administered directly from the Django Admin. 

Was interested in learning about an objects' change history, but in this case, the changes were not performed from the Django Admin. 

On Tuesday, June 22, 2021 at 5:50:10 AM UTC-7 christian...@gmail.com wrote:

I am not sure what you are asking about.

The history works out of the box, but only when you manipulate entries via the django admin.

When you change the model instance through your own views, you have to explicitly create the log entry.

On Tue, 22 Jun 2021 at 00:48, Ryan Kite <ryan...@gmail.com> wrote:

Hello,

The issue is when clicking the "History" button on an object from the Django admin site, it opens to the template but says "This object doesn't have a change history. It probably wasn't added via this admin site."

From reading the docs it appears that: history_view() already exists (which is what I want)

/// from the doc page: 

ModelAdmin.history_view(request, object_id, extra_context=None)[source]¶

     Django view for the page that shows the modification history for a given model instance.

///

We can see the change history when doing:

 python manage.shell

import django.contrib.admin.models import LogEntry
from django.contrib.contenttypes.models import ContentType
from app import MyModel 

 results = LogEntry.objects.filter(content_type=ContentType.objects.get_for_model(MyModel ))

print(vars(results[1])) 

.. shows the change details

Please tell me what I'm missing or need to add. 

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Best Regards,

Christian Ledermann

Dublin, IE

Mobile : +353 (0) 899748838

https://www.linkedin.com/in/christianledermann
https://github.com/cleder/


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