type object 'ReportForm' has no attribute '_feincms_content_types'

[Abu Yusuf]

I have an application with python 2.7 and fein-cms 1.12.1 and it was working fine.
But recently i did migrate to python 3.5 and it's raising an error: type object 'ReportForm' has no attribute '_feincms_content_types'

How can I solve it. What was the issue?

Thanks in advance.

[Matthias Kestenholz]

Hi

`_feincms_content_types` is initialized inside `feincms.models.Base` when the first call to `.create_content_type()` happens. Where is the location of your create_content_type calls? Maybe the loading order changed in newer Django versions.

Did you also upgrade Django by chance? Which version of Django are you using? The build is mostly green https://travis-ci.org/github/feincms/feincms so at least Django 2.2.x LTS should work fine.

Matthias

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[Abu Yusuf]

I'm using djnago 1.8

[Matthias Kestenholz]

Oh, I'm not sure then. Django 1.8 hasn't been supported for over two years now https://www.djangoproject.com/download/ – I strongly advise an upgrade to 1.11 (which had its end of life only half a year ago) or better yet, 2.2 LTS. Especially if you're finally ready to switch to Python 3.

To view this discussion on the web, visit https://groups.google.com/d/msgid/django-feincms/4f97885b-bcf1-407d-bf46-07aa55dafcd7n%40googlegroups.com.

[Abu Yusuf]

Yes, i'm upgrading step by step. If everything works fine for 1.8 then I will move to 1.9/1.11

But I'm stuck here. Couldn't get any solution for that.

[Matthias Kestenholz]

Do you have a full traceback somewhere? That could be useful.

Until now you just posted the final exception, but sometimes the stack provides additional details.

Matthias

To view this discussion on the web, visit https://groups.google.com/d/msgid/django-feincms/0d050a13-9941-41b6-8331-c02632d60f3en%40googlegroups.com.

[Abu Yusuf]

[Abu Yusuf]

Exception Value:
type object 'ReportForm' has no attribute '_feincms_content_types'Exception Location:
/home/yusuf/Documents/py3.5_env/lib/python3.5/site-packages/feincms/admin/item_editor.py in get_content_type_map, line 132

[Abu Yusuf]

Hey Matthias Kestenholz,

I did upgrade my project to django-2.0 but still, I'm getting the same error. Here is my code:

models:

class MyForm(create_base_model()):

    name = models.CharField(max_length=255, default='New Report', unique=True)

    title = models.CharField(max_length=255)

# Attach content types to Report

report = ReportForm()

report.register_regions(

('main', 'Main content'),

)

map(report.create_content_type, CONTENT_TYPES)

admin:

admin.site.register(MyForm, ItemEditor)