Tag: django

does not appear to have any patterns in it. If you see valid patterns in the file then the issue is probably caused by a circular import

I got does not appear to have any patterns in it. If you see valid patterns in the file then the issue is probably caused by a circular import error . I wrote in urls.py of child app in urls.py of parent app, I am thinking urls.py of child or parent app,but I do not know how to fix it.

Django: Related model ‘users.UserProfile’ cannot be resolved

django django-1.10 django-models postgresql python

I tried running makemigrations and after migrate and I am constantly getting this error: What I was trying to do is Link a UserProfile model to Django’s own User Model: The “Contests” model (as you can see in my installed apps below) uses the User Model as well without any errors. My Installed apps look like this : My migration

Error while reading image using cv2.imread() in Django views.py

django numpy python

I am trying to apply image processing on an image which i’m loading through cv2.imread() in Django’s views.py file, but i’m getting an AttributeError everytime. Following is the hierarchy views.py through which i’m trying to read temp321.jpg : Error which i’m getting: What am i doing wrong? Answer This error indicates that a is None. With a being the result

Django FileField not cooperating with Python 3’s csv module

django python python-3.x

I have this form: The intended purpose of import_csv() is to import the CSV to the application’s database, but it has been altered for brevity’s sake. An exception occurs when I attempt to iterate over school_csv, which I guess is when DictReader first attempts to read the file: I don’t believe that I was presented with the opportunity to ever

Django Admin set extra to 0 when editing

django django-admin django-models python python-3.x

Setting extra = 1 in my model always shows a 1 empty field. It is OK while inserting a new item but I don’t want to show an additional empty field while editing. How can I do this? models.py: admin.py: Answer Override the get_extra method instead of setting a value for extra class member. Returns the number of extra inline

How to get appname from model in django

django python

I have this code if i have Options model in my view i want to get the appname from it Answer or

Django – dropdown form with multiple select

django forms python

I need guidance building a django dropdown forms.Form field in which I can select multiple choices. I need to select multiple locations on the office field of the form. When submitted, the form needs to return a list of the chosen offices (e.g. [“New York”, “Los Angeles”] or [“Austin”]). Returning a tuple is also acceptable. The best I can do

model IntegerField() to django-template with ordinal

django python

I have a model with IntegerField() And i would like it to display in a template with ordinal suffix. I would like the floor output like this. 1st, 2nd, 3rd, 4th… 10th.. 12th.. 13th.. 15th… Answer You can use ordinal function from django.contrib.humanize package

How to configure Visual Studio Code to debug Django app in a virtualenv?

django python visual-studio-code

I would like to have possibility to do a debugging of Django application in Visual Studio Code. I have a virtualenv, made a change in launch.json file that look like this: put several break points in the code and run it. Unfortunately, the execution is not stopped on the line with break points. I tried the same without virtualenv and

How to call super of enclosing class in a mixin in Python?

django python

I have the following code, in Django: Now, I want to use the mixin without blatting the behaviour of the save in Parent. So I when I save, I want to do stuff C, B, and A. I’ve read Calling the setter of a super class in a mixin however I don’t get it and having read the super docs