How To Install python3-qtpy on Debian 9

Introduction

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

What is python3-qtpy

python3-qtpy is:

QtPy (pronounced ‘cutie pie’) is a small abstraction layer that lets you write applications using a single API call to either PyQt or PySide. QtPy also provides a set of additional QWidgets.

It provides support for PyQt5, PyQt4 and PySide using the PyQt5 layout (where the QtGui module has been split into QtGui and QtWidgets). Basically, you write your code as if you were using PyQt5 but import qt from QtPy instead of PyQt5.

This package provides the QtPy library for the Python 3 interpreter.

There are three methods to install python3-qtpy 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-qtpy 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-qtpy using apt-get by running the following command:

sudo apt-get -y install python3-qtpy

Install python3-qtpy Using apt

Update apt database with apt using the following command.

sudo apt update

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

sudo apt -y install python3-qtpy

Install python3-qtpy 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-qtpy using aptitude by running the following command:

sudo aptitude -y install python3-qtpy

How To Uninstall python3-qtpy on Debian 9

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

sudo apt-get remove python3-qtpy

Uninstall python3-qtpy And Its Dependencies

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

sudo apt-get -y autoremove python3-qtpy

Remove python3-qtpy Configurations and Data

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

sudo apt-get -y purge python3-qtpy

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

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

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

Dependencies

python3-qtpy have the following dependencies:

• python3

References

• python3-qtpy website

Summary

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