Introduction to guizero – creating GUI apps using Python

Guizero is a Python library for creating simple Graphical User Interface (GUI) applications. It is built on top of the Tkinter toolkit, making it easy to use for beginners and experienced developers alike.

Installation

To start using guizero, you first need to install it. You can do this using pip, the Python package manager, by running the following command:

pip install guizero

Creating a simple GUI app

Once guizero is installed, you can start creating your own GUI apps. Here’s an example of a simple application that displays a window with a button:

from guizero import App, PushButton

app = App(title="My GUI App")

button = PushButton(app, text="Click me")

app.display()

In this example, we first create an App object to represent the main window of our application. We then create a PushButton object and add it to the app. Finally, we call the display() method to show the window.

Building more complex applications

Guizero provides a wide range of widgets that you can use to build more complex applications, including buttons, text boxes, sliders, and more. You can also set up event handlers to respond to user actions, such as clicking a button or entering text into a field.

Here’s an example of a more complex GUI app that uses a text box and a button to display a greeting when the button is clicked:

from guizero import App, TextBox, PushButton, Text

def say_hello():
    greeting.value = "Hello, " + name.value

app = App(title="Greeting App")

name = TextBox(app)
button = PushButton(app, text="Say Hello", command=say_hello)
greeting = Text(app)

app.display()

Conclusion

Guizero is a simple and straightforward library for creating GUI applications in Python. It provides a wide range of widgets and makes it easy to set up event handlers to respond to user actions. Whether you’re a beginner or an experienced developer, guizero is a great choice for building GUI apps in Python.