Provides an uniform layer to support PyQt5, PyQt4 and PySide with a single codebase
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README.md

QtPy: Abtraction layer for PyQt5/PyQt4/PySide

Copyright © 2009- The Spyder Development Team.

Project details

license pypi version Join the chat at https://gitter.im/spyder-ide/public

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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, PyQt4 and PySide using the PyQt5 layout (where the QtGui module has been split into QtGui and QtWidgets).

Basically, you write your code as if you were using PyQt5 but import Qt modules from qtpy instead of PyQt5.

Attribution and acknowledgements

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 licensed under the MIT license.

Requirements

You need PyQt5, PyQt4 or PySide 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).
  • pyqt or pyqt4 (to use PyQt4).
  • pyside (to use PySide).

Installation

pip install qtpy

or

conda install qtpy