How To Install python3-flask-principal on Ubuntu 18.04

In this tutorial we learn how to install python3-flask-principal on Ubuntu 18.04. python3-flask-principal is identity management for Flask

Introduction

In this tutorial we learn how to install python3-flask-principal on Ubuntu 18.04.

What is python3-flask-principal

python3-flask-principal is:

Flask-Principal provides a very loose framework to tie in providers of two types of service, often located in different parts of a web application:

  • Authentication providers
  • User information providers

For example, an authentication provider may be oauth, using Flask-OAuth and the user information may be stored in a relational database. Looseness of the framework is provided by using signals as the interface.

This is the Python 3 version of the package.

There are three methods to install python3-flask-principal 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 python3-flask-principal Using apt-get

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

sudo apt-get update

After updating apt database, We can install python3-flask-principal using apt-get by running the following command:

sudo apt-get -y install python3-flask-principal

Install python3-flask-principal Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install python3-flask-principal using apt by running the following command:

sudo apt -y install python3-flask-principal

Install python3-flask-principal 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 python3-flask-principal using aptitude by running the following command:

sudo aptitude -y install python3-flask-principal

How To Uninstall python3-flask-principal on Ubuntu 18.04

To uninstall only the python3-flask-principal package we can use the following command:

sudo apt-get remove python3-flask-principal

Uninstall python3-flask-principal And Its Dependencies

To uninstall python3-flask-principal and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:

sudo apt-get -y autoremove python3-flask-principal

Remove python3-flask-principal Configurations and Data

To remove python3-flask-principal configuration and data from Ubuntu 18.04 we can use the following command:

sudo apt-get -y purge python3-flask-principal

Remove python3-flask-principal configuration, data, and all of its dependencies

We can use the following command to remove python3-flask-principal configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge python3-flask-principal

References

Summary

In this tutorial we learn how to install python3-flask-principal package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.