How To Install python-parsley on Ubuntu 18.04
Introduction
In this tutorial we learn how to install python-parsley on Ubuntu 18.04.
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 Ubuntu 18.04. 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 Ubuntu. 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 Ubuntu 18.04
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 Ubuntu 18.04, 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 Ubuntu 18.04 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
References
Summary
In this tutorial we learn how to install python-parsley package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
