PySide2 Book 4th Edition

“The easy way to create desktop applications”

PySide2 Book

4th Edition, April 2021

Stop searching for how to create GUI applications with PySide2 — it's all here. I've been teaching Python & Qt for 8 years, helping thousands of developers just like you to bring their apps to life. Let's make your PySide2 project a success!

  • 600+ page ebook of hands-on PySide exercises
  • 200+ code examples to experiment with
  • Support forum for readers
  • Includes 4 example apps
  • Compatible with Python 3.4+
  • Code free to reuse in your own projects
  • PDF, EPub and Kindle formats
  • 4 in 1 — access to the PyQt5, PySide2, PyQt6 and PySide6 editions
  • Includes free updates forever
    Last updated 4th Edition, April 2021

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The book   Testimonials   About the author  

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Downloadable ebook (PDF, ePub) & Complete Source code

Thanks for this great PyQt5 book! You explain things so clearly.

Good start, looking forward to updates covering more advanced topics such as interacting with databases and APIs [added in 4th Edition].

The detailed coverage of multithreading is something I couldn't find anywhere else, and you made it so simple!

What's in the PySide Book

Basic concepts and first steps

Starting from the very basics of creating a desktop window this modern book takes you on a tour of the key features of PySide you can use to build real-life applications.

We'll look at the basic building blocks of PySide2 applications — Widgets, Layouts & Signals and learn how PySide uses the event loop to handle and respond to user input.

Create GUI Applications Example pages
Creating applications with Qt Designer

Designing UIs with Qt Designer

Build your user interfaces visually in the Qt Designer drag-and-drop editor. We'll take a quick tour of the designer and show how to load your created interface into Python.

Unleash your creativity

Think the default look of Qt is a bit drab? You can customize almost anything using Styles, Palettes and Qt Style Sheets. We'll take a tour through how you can use these to completely customize the look and feel of your applications.

PySide2 themes and styles

Build data-driven applications

Use PySide's MVC-like interface to work efficiently with data, right in your applications. Use custom data stores and sync widgets automatically, allowing you to focus on the logic.

Use tabular views to display SQL databases and numpy or pandas datastructures. Use linked widgets for easy editing.

Create your own custom widgets

PySide provides a huge number of built-in widgets, but sometimes you need a little something extra. Starting with an introduction to bitmap graphics we'll build up to creating entirely custom-drawn widgets for your apps.

Creating custom PySide2 widgets
Multithreading & processes with PySide2

Efficient apps with threads and processes

Are your apps stuttering to a halt? Learn how to use threads & processes to keep long-running calculations, loading large files or connections to remote servers all running smoothly.

Capture output from threads and processes and keep your users informed with progress bars and thread managers.

Visualize data with interactive charts

Use matplotlib or PyQtGraph to display data within your app. Use threads to create live dashboards, pulling data from your calculations or remote services.

Unlock the data-analysis capabilities of Python from within your applications.

Plotting in PySide2
Example PySide2 applications

Build real apps not just examples

Move beyond simple examples, learning how to use PySide to create fully-functional applications.

The book guides you through creating a simple Web browser, Minesweeper game, Paint app and a Simple Todo reminder, using the features you've learned.

Package your apps for distribution

Once your app is ready, it's time to share it!

Discover how to package your PySide applications for distribution on Windows, Mac and Linux.

Creating PyQt5 installers

Every chapter comes with complete, runnable code examples.

About me

Martin Fitzpatrick PhD

Senior Software Engineer, working with Python for 12+ years.

I have been developing apps for 8 years. Building desktop applications to make data-analysis tools more user-friendly, Python was the obvious choice. Starting with Tk, later moving to wxWidgets and finally adopting PyQt, I haven't looked back since.

I love the flexibility Python gives you to create fun and useful things quickly. Paired with Qt it's a great way to build professional apps on the desktop.

Table of Contents

  1. Basic PySide2 Features
    • My first Application
    • Signals & Slots
    • Widgets
    • Layouts
    • Actions, Toolbars & Menus
    • Dialogs
    • Windows
    • Events
  2. Qt Designer
    • Installing Qt Designer
    • Getting started with Qt Designer
    • The Qt Resource system
  3. Theming
    • Styles
    • Palettes
    • Icons
    • Qt Style Sheets (QSS)
  1. Model View Architecture
    • The Model View Architecture — Model View Controller
    • A simple Model View — a Todo List
    • Tabular data in ModelViews, with numpy & pandas
    • SQL databases with Qt models
  2. Further PySide2 Features
    • Extending Signals
    • Routing
    • Working with command-line arguments
    • System tray & macOS menus
    • Enums & the Qt Namespace
  3. Custom Widgets
    • QPainter and Bitmap Graphics
    • Creating Custom Widgets
  1. Concurrent Execution
    • Introducing Threads & Processes
    • QRunnable and the QThreadPool
    • QRunnable Examples, Progress Bars & thread Managers
    • Running external commands with QProcess
  2. Plotting
    • PyQtGraph
    • Matplotlib
  3. Packaging & Distribution
    • Packaging with fbs
  4. Example applications
    • Web Browser
    • Minesweeper
  5. Appendices
    • Translating C++ to Python
    • PyQt vs. PySide

Includes 211 PySide2 code examples and 4 fully-functional applications to experiment with.

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