How To Install python3-pyparsing on Ubuntu 18.04
Introduction
In this tutorial we learn how to install python3-pyparsing on Ubuntu 18.04.
What is python3-pyparsing
python3-pyparsing is:
The parsing module is an alternative approach to creating and executing simple grammars, vs. the traditional lex/yacc approach, or the use of regular expressions. The parsing module provides a library of classes that client code uses to construct the grammar directly in Python code.
Here’s an example:
from pyparsing import Word, alphas greet = Word(alphas) + “,” + Word(alphas) + “!” hello = “Hello, World!” print hello, “->”, greet.parseString(hello)
This package contains the Python 3.x version of python-pyparsing.
There are three methods to install python3-pyparsing 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 python3-pyparsing 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-pyparsing using apt-get by running the following command:
sudo apt-get -y install python3-pyparsing
Install python3-pyparsing Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install python3-pyparsing using apt by running the following command:
sudo apt -y install python3-pyparsing
Install python3-pyparsing 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 python3-pyparsing using aptitude by running the following command:
sudo aptitude -y install python3-pyparsing
How To Uninstall python3-pyparsing on Ubuntu 18.04
To uninstall only the python3-pyparsing package we can use the following command:
sudo apt-get remove python3-pyparsing
Uninstall python3-pyparsing And Its Dependencies
To uninstall python3-pyparsing and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove python3-pyparsing
Remove python3-pyparsing Configurations and Data
To remove python3-pyparsing configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge python3-pyparsing
Remove python3-pyparsing configuration, data, and all of its dependencies
We can use the following command to remove python3-pyparsing configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge python3-pyparsing
References
Summary
In this tutorial we learn how to install python3-pyparsing package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
