How To Install python-parsley on Debian 9

In this tutorial we learn how to install python-parsley on Debian 9. python-parsley is pattern-matching language based on OMeta and Python

Introduction

In this tutorial we learn how to install python-parsley on Debian 9.

What is python-parsley

python-parsley is:

Parsley is a parsing library for people who find parsers scary or annoying. It uses the PEG algorithm, so each expression in the grammar rules works like a Python expression. In particular, alternatives are evaluated in order, unlike table-driven parsers such as yacc, bison or PLY.

Parsley is an implementation of OMeta, an object-oriented pattern-matching language developed by Alessandro Warth http://tinlizzie.org/ometa/.

There are three methods to install python-parsley 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 python-parsley Using apt-get

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

sudo apt-get update

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

sudo apt-get -y install python-parsley

Install python-parsley Using apt

Update apt database with apt using the following command.

sudo apt update

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

sudo apt -y install python-parsley

Install python-parsley 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 python-parsley using aptitude by running the following command:

sudo aptitude -y install python-parsley

How To Uninstall python-parsley on Debian 9

To uninstall only the python-parsley package we can use the following command:

sudo apt-get remove python-parsley

Uninstall python-parsley And Its Dependencies

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

sudo apt-get -y autoremove python-parsley

Remove python-parsley Configurations and Data

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

sudo apt-get -y purge python-parsley

Remove python-parsley configuration, data, and all of its dependencies

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

sudo apt-get -y autoremove --purge python-parsley

Dependencies

python-parsley have the following dependencies:

References

Summary

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