Hands On Qt For Python Developers

Boost UI development with ready-made widgets, controls, charts, and data visualization and create stunning 2D and 3D graphics with PyQt and PySide2. Key Features Build optimized GUI applications by implementing multiprocessing and concurrency Understand embedded and mobile development with PyQt and PySide Learn to create magnificent GUI applications using Pyside2 and QtQuick/QML Book Description Qt is one of the most widely used and flexible frameworks for GUI application development, allowing you to write your application once and then deploy it to multiple operating systems. This book combines the best of Python and Qt to help you develop GUI applications with Python bindings, such as PyQt and PySide, that will supercharge your Python applications. The book begins with an overview of Qt and QML. You'll start by working with PyQt GUI elements to style your applications. Then, you will learn how to use QWidget, frames, labels, and text fields, and work with graphics. This will be followed by taking you through how elements in the application communicate with each other by understanding signals, slots, and event handlers. This book will help you to gain a better understanding of the Qt framework and the tools to resolve issues when testing, linking, debugging, and multithreading your Python GUI applications. Finally, the book will help you get to grips with embedded and mobile development using PyQt and PySide. By the end of the book, you will be able to create modern, responsive, cross-platform desktop applications with the power of Qt, Python, and QML. What you will learn Explore PyQt5 and PySide2 to create comprehensive GUI applications Find out how threading and multiprocessing work Understand how to style GUIs with PyQt Get to grips with implementing buttons Understand how elements communicate with signals, slots, and event handlers Explore mobile development with PyQt and PySide Who this book is for This book is for Python developers who want to develop GUIs and cross-platform applications that are modern, responsive, and attractive. No prior knowledge of Qt or QML is required.

Learn GUI application development from the ground up, taking a practical approach by building simple projects that teach the fundamentals of using PyQt. Each chapter gradually moves on to teach more advanced and diverse concepts to aid you in designing interesting applications using the latest version of PyQt. You’ll start by reviewing the beginning steps of GUI development from, using different projects in every chapter to teach new widgets or concepts that will help you to build better UIs. As you follow along, you will construct more elaborate GUIs, covering topics that include storing data using the clipboard, graphics and animation, support for SQL databases, and multithreading applications. Using this knowledge, you’ll be able to build a photo editor, games, a text editor, a working web browser and an assortment of other GUIs. Beginning PyQt will guide you through the process of creating UIs to help you bring your own ideas to life. Learn what is necessary to begin making your own applications and more with PyQt! What You'll Learn Create your own cross-platform GUIs with PyQt and PythonUse PyQt’s many widgets and apply them to building real applicationsBuild larger applications and break the steps into smaller parts for deeper understandingWork with complex applications in PyQt, from animation to databases and more Who This Book Is For Individuals who already have a fundamental understanding of the Python programming language and are looking to either expand their skills in Python or have a project where they need to create a UI, but may have no prior experience or no idea how to begin.

Building desktop applications doesn't have to be difficult. Using Python & Qt5 you can create fully functional desktop apps in minutes. This is the 4th Edition of Create GUI Applications, updated for 2020 & PyQt5 Starting from the very basics, this book takes you on a tour of the key features of PyQt you can use to build real-life applications. Learn the fundamental building blocks of Qt applications — Widgets, Layouts & Signals and learn how PyQt uses the event loop to handle and respond to user input. Design beautiful UIs with Qt Designer and customize the look and feel of your applications with Qt Style Sheets and custom widgets. Use PyQt's MVC-like ModelViews framework to connect data sources to your widgets, including SQL databases, numpy and pandas data tables, to build-data driven application. Visualize data using matplotlib & PyQtGraph and connect with external data sources to build live dashboards. Learn how to use threads and processes to manage long-running tasks and communicate with external services. Parse data and visualize the output in logs and progress bars. The book includes usability and architectural tips to help you build maintainable and usable PyQt applications from the start. Finally, once your application is ready to be released, discover how to package it up into professional-quality installers, ready to ship. The book includes - 665 pages of hands-on PyQt5 exercises - 211 code examples to experiment with - Support forum for all readers - Includes 4 example apps - Compatible with Python 3.4+ - Code free to reuse in your own projects

Implement real-world decentralized applications using Python, Vyper, Populus, and Ethereum Key FeaturesStay up-to-date with everything you need to know about the blockchain ecosystemImplement smart contracts, wallets, and decentralized applications(DApps) using Python librariesGet deeper insights into storing content in a distributed storage platformBook Description Blockchain is seen as the main technological solution that works as a public ledger for all cryptocurrency transactions. This book serves as a practical guide to developing a full-fledged decentralized application with Python to interact with the various building blocks of blockchain applications. Hands-On Blockchain for Python Developers starts by demonstrating how blockchain technology and cryptocurrency hashing works. You will understand the fundamentals and benefits of smart contracts such as censorship resistance and transaction accuracy. As you steadily progress, you'll go on to build smart contracts using Vyper, which has a similar syntax to Python. This experience will further help you unravel the other benefits of smart contracts, including reliable storage and backup, and efficiency. You'll also use web3.py to interact with smart contracts and leverage the power of both the web3.py and Populus framework to build decentralized applications that offer security and seamless integration with cryptocurrencies. As you explore later chapters, you'll learn how to create your own token on top of Ethereum and build a cryptocurrency wallet graphical user interface (GUI) that can handle Ethereum and Ethereum Request for Comments (ERC-20) tokens using the PySide2 library. This will enable users to seamlessly store, send, and receive digital money. Toward the end, you'll implement InterPlanetary File System (IPFS) technology in your decentralized application to provide a peer-to-peer filesystem that can store and expose media. By the end of this book, you'll be well-versed in blockchain programming and be able to build end-to-end decentralized applications on a range of domains using Python. What you will learnUnderstand blockchain technology and what makes it an immutable databaseUse the features of web3.py API to interact with the smart contractCreate your own cryptocurrency and token in Ethereum using VyperUse IPFS features to store content on the decentralized storage platformImplement a Twitter-like decentralized application with a desktop frontendBuild decentralized applications in the shape of console, web, and desktop applicationsWho this book is for If you are a Python developer who wants to enter the world of blockchain, Hands-On Blockchain for Python Developers is for you. The book will be your go-to guide to becoming well-versed with the blockchain ecosystem and building your own decentralized applications using Python and library support.

Building desktop applications doesn't have to be difficult. Using Python & Qt6 you can create fully functional desktop apps in minutes. This is the 5th Edition of Create GUI Applications, updated for 2021 & PyQt6 Starting from the very basics, this book takes you on a tour of the key features of PyQt6 you can use to build real-life applications. Learn the fundamental building blocks of PyQt6 applications — Widgets, Layouts & Signals and learn how PyQt6 uses the event loop to handle and respond to user input. Design beautiful UIs with Qt Designer and customize the look and feel of your applications with Qt Style Sheets and custom widgets. Use Qt's MVC-like ModelViews framework to connect data sources to your widgets, including SQL databases, numpy and pandas data tables, to build-data driven application. Visualize data using matplotlib & PyQtGraph and connect with external data sources to build live dashboards. Learn how to use threads and processes to manage long-running tasks and communicate with external services. Parse data and visualize the output in logs and progress bars. The book includes usability and architectural tips to help you build maintainable and usable PyQt6 applications from the start. Finally, once your application is ready to be released, discover how to package it up into professional-quality installers, ready to ship. The book includes - 780 pages of hands-on PyQt6 exercises - 300+ code examples to experiment with - Includes 4 example apps - Compatible with Python 3.6+ - Code free to reuse in your own projects Contents PyQt6 Widgets Signals, slots & events GUI Layouts Toolbars & Menus PyQt6 Dialogs, including file dialogs, warning and custom dialogs Windows Qt Designer PyQt6 Themes, Styles, Palettes & Icons Model View Architecture Creating custom widgets, using custom widgets in Designer PyQt6 Table views with numpy & pandas Database, SQL models Extending PyQt6 Signals Working with relative paths, resources System tray & Menus Threading, thread pools & processes, QThread Plotting with PyQtGraph & matplotlib Packaging & distribution of PyQt6 apps on Windows, macOS & Linux Example PyQt6 apps

Learn GUI application development from the ground up by building simple projects that teach the fundamentals of using PyQt6. This 2nd edition includes updated code, programs, and new chapters to get you started using the newest version. Taking a practical approach, each chapter will gradually teach more advanced and diverse concepts to aid you in designing and customizing interesting and professional applications. You'll start by learning important concepts related to GUI development, and then jump right into building different and exciting projects in every chapter. Along the way, you’ll discover new widgets, layouts, and other concepts that will help you to build better UIs. You'll also construct more elaborate GUIs, covering topics that include storing data using the clipboard, graphics and animation, support for SQL databases, multithreading applications, and building modern-looking interfaces. Using this knowledge, you’ll be able to build a photo editor, games, a text editor, a working web browser, and an assortment of other GUIs. In the end, this book will guide you through the process of creating UIs to help you bring your own ideas to life. Find out what you need to begin making your own applications with PyQt! What You'll Learn Develop cross-platform UIs with PyQt and Python Use PyQt’s many widgets and apply them by building real applications Build larger applications through a step-by-step approach and break the code into smaller chunks for deeper understanding Work with more complex applications in PyQt, covering SQL databases, multithreading, web browsers, and more Create modern-looking UIs with Qt Quick and QtQml using the latest version of PyQt Who This Book Is For Python developers who are looking to begin creating user interfaces and want to utilize the latest version of PyQt to gets started. Having prior knowledge of PyQt or other Python UI toolkits is not necessary to begin using this book.

Unleash the Magic of Python GUI Development with Qt: Craft Stunning Desktop Apps That Captivate Users Do your Python projects feel like hidden gems locked away in a command-line vault? Are you ready to unlock their true potential and bring them to life with visually stunning and user-friendly interfaces? Look no further than Python GUI Development Using Qt- your comprehensive guide to mastering the art of building captivating desktop applications. This book is more than just a collection of code snippets; it's a transformative journey that empowers you to fuse the elegance of Python with the cross-platform muscle of Qt. Imagine the possibilities: Effortlessly Design Engaging Interfaces: Drag and drop widgets, visually create layouts, and craft intuitive user experiences with minimal coding. Reach a Global Audience: Build applications that run seamlessly on Windows, macOS, and Linux, expanding your user base without limitations. Leverage the Power of Python: Integrate your existing Python expertise with Qt's rich functionality, creating applications that are as visually stunning as they are functionally robust. Join a Thriving Community: Gain access to a vast ecosystem of resources, tutorials, and forums, ensuring you have the support you need throughout your development journey. This book caters to both seasoned Python developers and curious beginners. We delve into the core concepts of user interface design, ensuring your applications are not only functional but also aesthetically pleasing and intuitive to use. You'll master essential GUI design principles, explore best practices for layout and interaction, and learn how to create applications that users will love to interact with. What sets this book apart? Hands-On Learning by Doing: We believe in learning through active participation. This book is packed with practical exercises and project-based learning that solidify your understanding and equip you with a portfolio of real-world applications. Crystal-Clear Explanations: Complex concepts are broken down into manageable steps, ensuring you grasp the underlying principles with ease, regardless of your prior GUI development experience. Step-by-Step Tutorials: Follow along with detailed, hands-on tutorials that guide you through creating functional GUI applications from the ground up. Modern Approach: We use the latest versions of Qt and PyQt, ensuring your skills are up-to-date and relevant to the current software development landscape. Beyond the Basics: This book dives deeper than just the fundamentals. We explore advanced topics like threading, database integration, and application deployment, empowering you to build sophisticated and feature-rich applications. Python GUI Development Using Qt is your key to unlocking the full potential of your Python programming skills. Don't let your code languish in obscurity - transform it into captivating applications that users will love. Join us on this exciting journey and discover the world of desktop application development with Python and Qt!

Building desktop applications doesn't have to be difficult. Using Python & Qt5 you can create fully functional desktop apps in minutes. This is the 4th Edition of Create GUI Applications, updated for 2020 & PySide2 Starting from the very basics, this book takes you on a tour of the key features of PySide you can use to build real-life applications. Learn the fundamental building blocks of PySide applications — Widgets, Layouts & Signals and learn how PySide uses the event loop to handle and respond to user input. Design beautiful UIs with Qt Designer and customize the look and feel of your applications with Qt Style Sheets and custom widgets. Use Qt's MVC-like ModelViews framework to connect data sources to your widgets, including SQL databases, numpy and pandas data tables, to build-data driven application. Visualize data using matplotlib & PyQtGraph and connect with external data sources to build live dashboards. Learn how to use threads and processes to manage long-running tasks and communicate with external services. Parse data and visualize the output in logs and progress bars. The book includes usability and architectural tips to help you build maintainable and usable PySide2 applications from the start. Finally, once your application is ready to be released, discover how to package it up into professional-quality installers, ready to ship. The book includes - 665 pages of hands-on PySide exercises - 211 code examples to experiment with - Includes 4 example apps - Compatible with Python 3.4+ - Code free to reuse in your own projects