PyQt5 is a module that can be used to create graphical user interfaces (GUI). PyQt5 is not backwards compatible with PyQt4.You will need Python 2.6+ or newer. 安装Qt工具: pip install pyqt5-tools; 配置Qt工具系统环境变量: Path=C: Code PythonVir python1 Lib site-packages pyqt5tools; Qt Designer (Qt设计师) 强大的可视化GUI设计工具, 帮助我们快速开发PyQt. 它生成UI界面为.ui文件, 通过命令将.ui转为.py文件. 1.启动Qt Designer.
- This page describes the use of Qt Creator to create graphical interfaces for your Qt for Python project. You will need Qt Creator to design and modify your interface (UI file). If you don’t know how to use Qt Creator, refer to the Using Qt Designer documentation page. At Qt Creator, create a new Qt Design Form, choose “Main Window” for.
- Qt’s code is object oriented, and in a manner that is easy to follow. Each of the widgets we added is an object, with it’s own functions like toPlainText (to read the value in a box). This makes it quite easy to use. I’m sure the official documentation mentions this somewhere, but you have to do some setup before you can use the code.
- PyQt button example (Python GUI) QAbstractButton acts as an abstract class and provides the general functionality of a button, push button and checkable button. Selectable button implementations are QRadioButton and QCheckBox; pressable button implementations are QPushButton and QToolButton.
A collection of tutorials with walkthrough guides areprovided with Qt for Python to help new users get started.
Some of these documents were ported from C++ to Python and cover a range oftopics, from basic use of widgets to step-by-step tutorials that show how anapplication is put together.
Before you start¶
If you have not installed PySide yet, remember to check theQuick Start section.
Qt Widgets: Basic tutorials¶
If you want to see the available widgets in action, you can check theQt Widget Gallery to learn theirnames and how they look like.
Quick/QML: Basic tutorials¶
Real use-cases applications¶
C++ and Python¶
© 2021 The Qt Company Ltd. Documentation contributions included herein are the copyrights of their respective owners. The documentation provided herein is licensed under the terms of the GNU Free Documentation License version 1.3 as published by the Free Software Foundation. Qt and respective logos are trademarks of The Qt Company Ltd. in Finland and/or other countries worldwide. All other trademarks are property of their respective owners.
PyQt is often not installed by default. The PyQt module can be used to create desktop applications with Python. In this article you’ll learn how to install the PyQt module.
Desktop applications made with PyQt are cross platform, they will work on Microsoft Windows, Apple Mac OS X and Linux computers (including Raspberry Pi).
Related Course:Create GUI Apps with Python PyQt5
How to install PyQt5 on Windows?
To install PyQt on Windows there are a few steps you need to take.
First use the installer from the qt-project website, from qt to install PyQt.
Next you want to install a Python version 3.3 or newer. Check the box to add all of the PyQt5 extras. It’s not necessary to compile everything from source, you can install all the required packages with the installer.
On Python >= 3.6, you can also try this command:
It should work without problems.
How to install PyQt5 on Mac OS X?
On Apple Mac OS X installation is a bit simpler. The first step to take is to install the Mac OS X binary. This installs the PyQt GUI library.
Python Qt Designer
But to use it from Python, you also need Python module. This is where the tool
brew comes in.
You can use brew to install pyqt (in the terminal):
How to install PyQt5 on Linux?
Python is often installed by default on Linux (in nearly all of the distributions including Ubuntu). But you want to make sure to use Python 3, because of all the features and ease of use. You can verify that you have the newest Python version with the command:
On Ubuntu Linux they sometimes include two versions of python,
python. In that case use Python 3.
Once you have Python ready, the next step is to install PyQt.
Python Qt Gui Examples
This isn’t hard to do if you have some Linux experience. You can install PyQt your software package manager. Which package manager to use depends on which Linux distribution you are using.
On Ubuntu Linux / Debian Linux you can use the command:
For CentOS 7 use the command:
For RPM-based systems (Redhat-based)
Python Qt Tutorial
If you are new to Python PyQt, then I highly recommend this book.