Provides an abstraction layer on top of the various Qt bindings (PyQt5/6 and PySide2/6).
Project description
QtPy: Abstraction layer for PyQt5/PyQt6/PySide2/PySide6
Copyright © 2009–2021 The Spyder Development Team
Description
QtPy is a small abstraction layer that lets you write applications using a single API call to either PyQt or PySide.
It provides support for PyQt5, PyQt6, PySide6, PySide2 using the Qt5 layout (where the QtGui module has been split into QtGui and QtWidgets).
Basically, you can write your code as if you were using PyQt or PySide directly,
but import Qt modules from qtpy instead of PyQt5, PyQt6, PySide2, or PySide6.
Accordingly, when porting code between different Qt bindings (PyQt vs PySide) or Qt versions (Qt5 vs Qt6), QtPy makes this much more painless, and allows you to easily and incrementally transition between them. QtPy handles incompatibilities and differences between bindings or Qt versions for you while keeping your project running, so you can focus more on your own code and less on keeping track of supporting every Qt version and binding. Furthermore, when you do want to upgrade or support new bindings, it allows you to update your project module by module rather than all at once. You can check out examples of this approach in projects using QtPy, like git-cola.
Attribution and acknowledgments
This project is based on the pyqode.qt project and the spyderlib.qt module from the Spyder project, and also includes contributions adapted from qt-helpers, developed as part of the glue project.
Unlike pyqode.qt this is not a namespace package, so it is not tied
to a particular project or namespace.
License
This project is released under the MIT license.
Requirements
You need PyQt5, PyQt6, PySide2 or PySide6 installed in your system to make use
of QtPy. If several of these packages are found, PyQt5 is used by
default unless you set the QT_API environment variable.
QT_API can take the following values:
pyqt5(to use PyQt5).pyqt6(to use PyQt6).pyside6(to use PySide6)pyside2(to use PySide2)
Installation
pip install qtpy
or
conda install qtpy
Contributing
Everyone is welcome to contribute!
Sponsors
QtPy is funded thanks to the generous support of
and the donations we have received from our users around the world through Open Collective:
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