QT for Python VS PyQt

• Comprehensive Framework
  Qt for Python provides a comprehensive set of libraries and functionalities for building complex and high-performance applications, making it a great tool for developers who need extensive capabilities in their applications.
• Cross-Platform Compatibility
  It allows developers to write code once and deploy it across multiple platforms, such as Windows, macOS, Linux, and embedded devices, without significant modifications.
• Consistent User Interface
  Qt for Python offers standardized widgets and UI components, ensuring that applications have a native look and feel on different platforms, enhancing the user experience.
• Strong Community and Support
  A robust community and extensive documentation are available, which can be beneficial for learning, troubleshooting, and enhancing productivity.
• Integration with C++
  Qt for Python can seamlessly integrate with existing C++ code, allowing developers to leverage the performance and features of C++ libraries.

Possible disadvantages

• Steep Learning Curve
  Due to its extensive features and capabilities, Qt for Python may have a steep learning curve for beginners or developers who are new to the framework.
• Complexity
  For simple applications, the complexity and overhead of the Qt framework might be overkill, making it less suitable for small-scale projects.
• Licensing
  While Qt for Python is available under GPL and LGPL licenses, some features and tools are limited to commercial licenses, potentially increasing costs for commercial applications.
• Performance Overhead
  Compared to native C++ Qt applications, Qt for Python might introduce a performance overhead due to the additional layer between Python and the Qt libraries.
• Limited Native Python Feel
  Qt's C++ heritage sometimes means that the Python APIs may not feel as 'pythonic' as developers might expect, possibly requiring adjustments for Python developers used to a different programming style.

• Comprehensive UI library
  PyQt provides a wide range of UI components, from basic widgets to advanced tools. This allows for the creation of highly sophisticated interfaces.
• Cross-platform
  Applications built with PyQt can run on different operating systems such as Windows, macOS, and Linux without requiring significant changes in the code.
• Integration with Qt Designer
  Developers can use Qt Designer to design and implement their UIs visually, which can then be seamlessly integrated with Python code in PyQt.
• Powerful event handling
  PyQt includes a highly efficient event handling system that makes it easy to manage user interactions and system events.
• Good documentation and community support
  PyQt is well-documented, and there's a large community of developers who can provide support and share resources.
• Python-specific advantages
  Leveraging Python's simplicity and readability, PyQt allows for rapid development and easy maintenance of applications.

Possible disadvantages

• License considerations
  PyQt is available under the GPL and a commercial license. If you want to create proprietary software without open-sourcing your code, you need to purchase a commercial license.
• Steep learning curve
  While PyQt is powerful, it can have a steep learning curve for newcomers, particularly those who are not familiar with Qt and its paradigms.
• Performance overhead
  Being a binding for Qt, some operations may have extra overhead compared to native Qt applications written in C++.
• Dependency on external libraries
  PyQt relies on the Qt library, which means that you have to manage and distribute these dependencies along with your application.
• Large binary sizes
  Applications created with PyQt can result in relatively large binary sizes because of the included Qt binaries.
• Fragmentation of tools
  There can be fragmentation concerns, as PyQt must stay in sync with Qt, and different versions of Qt may introduce changes that are not immediately reflected in PyQt.

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Tracking QT for Python since Apr 2023.

• Python vs. JavaScript: Is It a Fair Comparison?

  JavaScript is a clear winner in the category of mobile development. There are some niche frameworks to do mobile development with Python—like Kivy and PyQT—but pretty much nobody uses them. - Source: dev.to / over 4 years ago

• what would be the best looking GUI framework to develop a desktop python application? (other than Tkinter)

  If none of those are to your liking, you can use PyQT (or Pyside) but the learning curve is much steeper. Source: over 4 years ago

• Is there a "Windows Forms" GUI designer for Python?

  Also, there is the PyQt module which is a comprehensive set of Python bindings for the Qt GUI. It has Qt Designer. Source: about 5 years ago

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