How To Install python3-ply on Debian 9

In this tutorial we learn how to install python3-ply on Debian 9. python3-ply is Lex and Yacc implementation for Python3

Introduction

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

What is python3-ply

python3-ply is:

PLY is yet another implementation of lex and yacc for Python. Although several other parsing tools are available for Python, there are several reasons why you might want to take a look at PLY:

  • It’s implemented entirely in Python.
  • It uses LR-parsing which is reasonably efficient and well suited for larger grammars.
  • PLY provides most of the standard lex/yacc features including support for empty productions, precedence rules, error recovery, and support for ambiguous grammars.
  • PLY is extremely easy to use and provides very extensive error checking.

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

sudo apt-get -y install python3-ply

Install python3-ply Using apt

Update apt database with apt using the following command.

sudo apt update

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

sudo apt -y install python3-ply

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

sudo aptitude -y install python3-ply

How To Uninstall python3-ply on Debian 9

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

sudo apt-get remove python3-ply

Uninstall python3-ply And Its Dependencies

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

sudo apt-get -y autoremove python3-ply

Remove python3-ply Configurations and Data

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

sudo apt-get -y purge python3-ply

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

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

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

Dependencies

python3-ply have the following dependencies:

References

Summary

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