Django +2 ImportError: cannot import model

Question

Hi have been working with Django and i want to have relations bettwen model i have the following structure

on posts/models.py

from django.db import models
class Post(models.Model):

(SKIP ATTRIBUTES)

and then on comments/model.py
from django.db import models
from posts.models import Post

class Comment(models.Model):
post = models.ForeignKey(Post,on_delete=models.CASCADE,related_name='comments')

In a nutshell im trying to import posts model into comment model and i get the error that cannot import name 'Post' from 'posts.models , how should import posts model to avoid this issue ?

from posts.models import Post ImportError: cannot import name 'Post' from 'posts.models

Your structure and import statement seems fine. Make sure, you have saved your files, and try restarting the server. — darshanc99, Mar 14 '20 at 05:36
Also, have you added your Post model in the admin.py of the posts app? — darshanc99, Mar 14 '20 at 05:41
@DarshanChheda yes ,i have my Post model on admin.py the strange thing here is that from posts.models import Post its working there but not when i import con Comment model — Guillermo Nahuel Varelli, Mar 14 '20 at 15:24
Please provide the code snippet. Might be some very minor unseen issue — darshanc99, Mar 14 '20 at 18:37

score 2 · Accepted Answer · answered Mar 14 '20 at 06:58

2

If you are also importing comments.models in posts.models, This may happen due to circular import. Try this:

from posts import models as posts_models

and

post = models.ForeignKey(posts_models.Post,on_delete=models.CASCADE,related_name='comments')

answered Mar 14 '20 at 06:58

danish_wani

862
9
14

AttributeError: module 'posts.models' has no attribute 'Post' – Guillermo Nahuel Varelli Mar 14 '20 at 15:19
2

Can you please share the code where you are importing – danish_wani Mar 14 '20 at 15:30
error where related to wrong imports that i wasn't using , thanks – Guillermo Nahuel Varelli Mar 15 '20 at 01:39

Jai · Answer 2 · 2020-03-14T14:19:13.120

0

Try this, tell me if it helps

from DjangoPost.posts.models import Post

instead of

from posts.models import Post

edited Mar 14 '20 at 14:19

answered Mar 14 '20 at 06:12

Jai

819
7
17

ModuleNotFoundError: No module named 'DjangoPost' – Guillermo Nahuel Varelli Mar 14 '20 at 15:20
1

Check this https://stackoverflow.com/questions/31406662/django-unable-to-import-model-from-another-app, assuming it is similar to your problem – Jai Mar 14 '20 at 15:24

Django +2 ImportError: cannot import model

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