How To Install python3-defer on Debian 9

In this tutorial we learn how to install python3-defer on Debian 9. python3-defer is Small framework for asynchronous programming (Python 3)

Introduction

In this tutorial we learn how to install python3-defer on Debian 9.

What is python3-defer

python3-defer is:

The defer module provides an easy way to write asynchrouns Python 3 programs. It is greatly inspired by Twisted’s defer, but hasn’t got any external dependencies.

Furthermore it features decorators to write asynchronous D-Bus servers and clients.

At first defer was part of aptdaemon, but moved to a separate project in August of 2010.

There are three methods to install python3-defer on Debian 9. 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-defer 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-defer using apt-get by running the following command:

sudo apt-get -y install python3-defer

Install python3-defer Using apt

Update apt database with apt using the following command.

sudo apt update

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

sudo apt -y install python3-defer

Install python3-defer 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 Debian. Update apt database with aptitude using the following command.

sudo aptitude update

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

sudo aptitude -y install python3-defer

How To Uninstall python3-defer on Debian 9

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

sudo apt-get remove python3-defer

Uninstall python3-defer And Its Dependencies

To uninstall python3-defer and its dependencies that are no longer needed by Debian 9, we can use the command below:

sudo apt-get -y autoremove python3-defer

Remove python3-defer Configurations and Data

To remove python3-defer configuration and data from Debian 9 we can use the following command:

sudo apt-get -y purge python3-defer

Remove python3-defer configuration, data, and all of its dependencies

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

sudo apt-get -y autoremove --purge python3-defer

Dependencies

python3-defer have the following dependencies:

References

Summary

In this tutorial we learn how to install python3-defer package on Debian 9 using different package management tools: apt, apt-get and aptitude.