Tag: django-models

get more than two foreign keys from another django table and perform calculations on them

django django-forms django-models django-views python

In the Django app, I have created two tables. Product Invoice I have one table called Product which contains product name and product price columns are given. Then, I have a second table named Invoice which contains a product name(foreign key), product price(foreign key), discount, and total. My concern is ho…

Django Rest Frame Work: passing User in djago rest frame work

django django-models django-rest-framework python serialization

I have a Django project as following code in model following code in serializer and following code in view when I send a post request by postman and send username and password in Authorization tab it error: but if I type username or password incorrect it will be can everybody help me? Answer Your serializer h…

Field ‘id’ expected a number but got ‘Free’

django django-forms django-models django-orm python

i’m trying to add a form, so users can post thier own articles , but when i hit publish button it shwos Field ‘id’ expected a number but got ‘Free’. . i wasn’t adding the package_category field to the forms because i have set a default value for it in my models.py when i no…

SQLite3 Integrity Error When Running “createsuperuser”

django django-models python python-3.x sqlite

I am trying to extend the default Django User model by linking to it through a OneToOneField. I successfully migrated the changes and registered my Profile model inside admin.py, however, when I try to run the command python manage.py createsuperuser and fill in the information I get an Integrity Error. I kno…

How to save some data in user model and some data save in extended user model from a html form

database django django-models one-to-one python

model.py views.py enter image description here I want to save the user name, email, password in the user model and others field wants to save in the UserProfile model. Then want to fetch data like- {{user.UserProfile.phone}} Answer I had the same issue I saved the data using the same method as you did. And no…

Setting a dropdowns values based on a different model selection

django django-forms django-models python

I currently have a model with 2 fields: Name & Number of Units When the first field is selected e.g. Name = Name1 I would like to display the Number Of Units saved in association with that model. e.g. Name1 has 50 units then the second < select > will show the number a list from 1 – 50 because

Template syntax error Could not parse the remainder: ‘(“images/logo.png”)’ from ‘static(“images/logo.png”)’. in django-jinja template?

django django-models django-templates jinja2 python

when including the static files in the Django-jinja template it shows an error. If I removed that line It worked. But I want to load my static files in jinja template. Answer First you have to load static at top of your html page Then you have to use {% %} instead of {{ }}

Django merge QuerySet while keeping the order

django django-models django-queryset python

i’m trying to join together 2 QuerySets. Right now, I’m using the | operator, but doing it this way won’t function as an “append”. My current code is: I need the elements from querysetA to be before querysetB. Is it even possible to accomplish while keeping them just queries? Ans…

Django – Retrieve all manytomany field objects related to a specific model

django django-models django-queryset python

I have my models reviews and news, both having a manytomany relation with Category model. Now I want to get all the categories associated with only one of these two models. For example, to get all categories associated with News model, I tried querying database with News.categories.all() but got AttributeErro…

Inherit choice class to extend it?

class django django-models python tuples

I have a field in my models.py that accepts choices determined in a class: The choice class is this: My doubt is how can I inherit this UserChoices class to another choice class, in order to extend it with another options. I tried the following: But it gives me a migration error: Obviously this example is sim…