FluentQt for Python
FluentQt is the official PySide6 compatibility distribution for Fluent-Qt, a cross-platform Fluent / WinUI-style C++ component library built on Qt Widgets. The widgets remain native C++ objects; Shiboken6 exposes the same implementation to Python instead of reimplementing the UI library.
The C++ library remains the primary project. Python support is optional and targets Qt 6.
Install
python -m pip install FluentQt
Published wheels install the matching PySide6-Essentials and shiboken6
runtime automatically.
Minimal example
import sys
import fluentqt
from PySide6.QtCore import Qt
from PySide6.QtWidgets import QApplication, QVBoxLayout, QWidget
from fluentqt.basicinput import Button
from fluentqt.windowing import Window
fluentqt.prepare_high_dpi_application()
app = QApplication(sys.argv)
fluentqt.initialize_resources()
app.setFont(fluentqt.font_for_role(fluentqt.FontRole.Body))
window = Window()
window.setWindowTitle("FluentQt Hello World")
window.resize(480, 320)
content = QWidget()
layout = QVBoxLayout(content)
button = Button("Hello from FluentQt", content)
button.setFluentStyle(Button.ButtonStyle.Accent)
layout.addWidget(button, 0, Qt.AlignCenter)
window.setContentWidget(content)
window.show()
sys.exit(app.exec())
Package contents
- Native Qt Widgets with the Fluent design contract and Light/Dark themes.
- Qt properties, signals, enums, Python subclassing, and typed package stubs.
- Explicit ownership contracts for hosted widgets, overlays, models, and native windows.
- A single
_fluentqtextension so themes, resources, and Qt object identity stay process-wide.
The example application is distributed separately as
FluentQt-Gallery, keeping demo
code and assets out of the reusable UI library wheel.
Compatibility
Official wheels target CPython 3.11–3.13 with matched Qt, PySide6, and Shiboken6 6.9.3 runtimes.
| Platform | Architectures |
|---|---|
| Windows | x64, ARM64 |
| macOS 12+ | x64, ARM64 |
| Linux | x64; ARM64 for CPython 3.12–3.13 |
The source binding keeps Qt/PySide/Shiboken 6.2.4 as its minimum compatibility baseline. All Qt for Python components and the C++ Qt SDK must use the same version and architecture.
Project links
FluentQt is released under the MIT License. Microsoft product names and Fluent design references are used only to describe compatibility and visual style.
1 maintainer
Metadata
1 maintainer
Release files for FluentQt 1.7.3
For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.
Built distributions (wheels)
Total release size: 79.1 MB
Release files / fluentqt-1.7.3-cp313-cp313-win_arm64.whl
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