How to Install Click in Python Step by Step

Click is a Python package for creating command-line interfaces. It is easy to use and highly customizable. This guide will show you how to install Click step by step.

Prerequisites

Before installing Click, ensure you have Python installed. You can check this by running:

python --version

Python 3.8.5

If you see an error like ModuleNotFoundError: No module named, check our guide on how to solve ModuleNotFoundError.

Install Click Using pip

The easiest way to install Click is using pip. Open your terminal and run:

pip install click

Successfully installed click-8.1.3

This will install the latest version of Click. Verify the installation by checking the version:

pip show click

Name: click
Version: 8.1.3

Create a Simple Click Application

Now, let's create a simple Click application. Save the following code in a file named hello.py:

import click

@click.command()
@click.option('--name', prompt='Your name', help='The person to greet.')
def hello(name):
    click.echo(f'Hello, {name}!')

if __name__ == '__main__':
    hello()

Run the script using Python:

python hello.py

Your name: John
Hello, John!

Uninstall Click

If you need to uninstall Click, use the following command:

pip uninstall click

Successfully uninstalled click-8.1.3

Conclusion

Installing Click in Python is simple with pip. You can now create powerful command-line applications. For more details, check the official Click documentation.