How To Install pyflakes on Debian 9

In this tutorial we learn how to install pyflakes on Debian 9. pyflakes is passive checker of Python 2 and 3 programs

Introduction

In this tutorial we learn how to install pyflakes on Debian 9.

What is pyflakes

pyflakes is:

Pyflakes is program to analyze Python programs and detect various errors. It works by parsing the source file, not importing it, so it is safe to use on modules with side effects. It’s also much faster.

Unlike PyLint, Pyflakes checks only for logical errors in programs; it does not perform any checks on style.

This is the Python 2 command line pyflakes3 program.

There are three methods to install pyflakes 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 pyflakes Using apt-get

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

sudo apt-get update

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

sudo apt-get -y install pyflakes

Install pyflakes Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install pyflakes using apt by running the following command:

sudo apt -y install pyflakes

Install pyflakes 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 pyflakes using aptitude by running the following command:

sudo aptitude -y install pyflakes

How To Uninstall pyflakes on Debian 9

To uninstall only the pyflakes package we can use the following command:

sudo apt-get remove pyflakes

Uninstall pyflakes And Its Dependencies

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

sudo apt-get -y autoremove pyflakes

Remove pyflakes Configurations and Data

To remove pyflakes configuration and data from Debian 9 we can use the following command:

sudo apt-get -y purge pyflakes

Remove pyflakes configuration, data, and all of its dependencies

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

sudo apt-get -y autoremove --purge pyflakes

Dependencies

pyflakes have the following dependencies:

References

Summary

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