How To Install python-django-polymorphic on Ubuntu 18.04

In this tutorial we learn how to install python-django-polymorphic on Ubuntu 18.04. python-django-polymorphic is Seamless Polymorphic Inheritance for Django Models

Introduction

In this tutorial we learn how to install python-django-polymorphic on Ubuntu 18.04.

What is python-django-polymorphic

python-django-polymorphic is:

Django-polymorphic simplifies using inherited models in Django projects. When a query is made at the base model, the inherited model classes are returned.

Features:

  • Full admin integration.
  • ORM integration:
    • Support for ForeignKey, ManyToManyField, OneToOneField descriptors.
    • Support for proxy models.
    • Filtering/ordering of inherited models (ArtProject___artist).
    • Filtering model types: instance_of(…) and not_instance_of(…)
    • Combining querysets of different models (qs3 = qs1 | qs2)
    • Support for custom user-defined managers.
  • Uses the minimum amount of queries needed to fetch the inherited models.
  • Disabling polymorphic behavior when needed.

There are three methods to install python-django-polymorphic on Ubuntu 18.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install python-django-polymorphic Using apt-get

Update apt database with apt-get using the following command.

sudo apt-get update

After updating apt database, We can install python-django-polymorphic using apt-get by running the following command:

sudo apt-get -y install python-django-polymorphic

Install python-django-polymorphic Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install python-django-polymorphic using apt by running the following command:

sudo apt -y install python-django-polymorphic

Install python-django-polymorphic Using aptitude

If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Ubuntu. Update apt database with aptitude using the following command.

sudo aptitude update

After updating apt database, We can install python-django-polymorphic using aptitude by running the following command:

sudo aptitude -y install python-django-polymorphic

How To Uninstall python-django-polymorphic on Ubuntu 18.04

To uninstall only the python-django-polymorphic package we can use the following command:

sudo apt-get remove python-django-polymorphic

Uninstall python-django-polymorphic And Its Dependencies

To uninstall python-django-polymorphic and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:

sudo apt-get -y autoremove python-django-polymorphic

Remove python-django-polymorphic Configurations and Data

To remove python-django-polymorphic configuration and data from Ubuntu 18.04 we can use the following command:

sudo apt-get -y purge python-django-polymorphic

Remove python-django-polymorphic configuration, data, and all of its dependencies

We can use the following command to remove python-django-polymorphic configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge python-django-polymorphic

References

Summary

In this tutorial we learn how to install python-django-polymorphic package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.