Tag: django-models

Django: Create a superuser in a data migration

django django-managers django-migrations django-models python

Goal: automatically creating a superuser I’m trying to create a default user, specifically a superuser, in an early data migration, so whenever my Django application is run in my Docker container, it already has a superuser with which I can access the admin site. I had already tried different options for creating said superuser, and although I have some functioning

Is this the correct way of making primary keys in django?

django django-models frameworks primary-key python

Is this the correct way of making a primary key in django?? Answer No, That is not the correct way of making a primary key in Django, in fact you don’t have to specify a Primary key for your model, because django will automatically add a field to hold the primary key for you. In your settings.py file, you will

Calculate Input Fields while user is filling data in form – Django Model Form

django django-forms django-models django-views python

I have a user form through which I can save data to the database. I want certain fields to be auto calculated while I am filling the the form. For e.g. Net Weight = Gross Weight – Tier Weight and stuff like that. I also want to add RADIO BUTTONS for fields like LOADING, UNLOADING, DEDUCTION, etc. where values will

how to create row in model based on data fetched from JSON request from third-party crawling with “best practice”

django django-models django-rest-framework json python

describe the problem: I want to crawl data from dataforseo , and save them directly in model database through model.create() method with having multi model with multi relation with models so for instance in model A have ManyToMany relation with model B ManyToMany relation with model C ManyToMany relation with model D and model B have relation with model C

How can I get top 5 inventory items from a django model which has lowest quantity?

django django-models python

#This is my inventory model. I want to get the inventory items that have the lowest quantity in the model. Answer To get a number of results with the lowest or highest value you first order by that field order_by(‘quantity’) so that the results you want will be first, then you can slice the queryset to limit the number of

Custom field – got multiple values for keyword argument ‘related_name’

django django-migrations django-models django-orm python

I’m working on a custom field that is just a shortcut to ForeignKey that points to addresses.Country model. When I run makemigrations it returns this error with I’m not sure: I understand that there are two to arguments passed but I don’t understand why. It looks like the field is initialized two times. Once with the kwargs I provided and

Can you iterate through model fields when you overwrite the save() method in django?

django django-models python

I’m calling a custom save method in my model. The save method is designed to produce some values in the model based on the content of a TextField. This content is stored in a dictionary, and is generated correctly. I’m trying to write a for loop to store the values of the dictionary. The keys correspond to the model field

django framework: get value from django.db.models.fields.IntegerField

django django-models orm pymysql python

How can I get value from class django.db.models.fields.IntegerField? I want get 1 from admin field. This is python code: model class and function view A view function when I run user = Users.objects.get(id=userId) Answer I presume, you want the value of admin. From my understanding what you can do is you can use filter method on you object inside your

Accessing Parent Model from child element of ManyToManyField (Django)

django django-models python

I am having a models.py as follows So let’s say i have a comment Object Instance which’s id is 2 and raw content How to get parent post_id which contains this comment?? Answer Use related_name. Small change adding: related_name=’posts’: think of it like “if we start from the opposite side, what would be the name to use” (it’s always plural).

How to inherent from a class that is already inherited from AbstractBaseUser in Django

abstract django django-models python

I am trying to make an inheritance from a User class that is already inherited from the AbstractBaseUser but I am receiving an error that is telling me AUTH_USER_MODEL refers to model ‘authentication.User’ that has not been installed and I am sure I added the AUTH_USER_MODEL = ‘authentication.User’ in settings.py, I wonder how can I superpass this error and successfully