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Add support for PySide6 #5161

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merged 2 commits into from Jan 1, 2021
Merged

Add support for PySide6 #5161

merged 2 commits into from Jan 1, 2021

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hugovk
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@hugovk hugovk commented Dec 30, 2020

Fixes #5145.

There are two sets of Python bindings for Qt, called PyQt and PySide.

Why are there two packages?

PyQt has been developed by Phil Thompson of Riverbank Computing Ltd. for a very long time — supporting versions of Qt going back to 2.x. Back in 2009 Nokia, who owned the Qt toolkit at the time, wanted to have Python bindings for Qt available under the LGPL license (like Qt itself). Unable to come to agreement with Riverbank (who would lose money from this, so fair enough) they then released their own bindings as PySide (also, fair enough).

https://www.learnpyqt.com/tutorials/pyqt5-vs-pyside2/

We support:

  • PySide2 for Qt 5
  • PyQt5 for Qt 5

Qt 6 has been recently released: https://www.qt.io/blog/qt-6.0-released

Changes proposed in this pull request:

  • Add support for PySide6. Take precedence over PyQt5 and PySide2, if they're also installed.

@hugovk hugovk added the Qt Qt for Python, PyQt, PySide label Dec 30, 2020
@radarhere
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radarhere commented Dec 31, 2020

Is it concerning that if I pip install PySide6, Ubuntu starts segfaulting? When I pip install PySide2, this is not what happens.

@hugovk
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hugovk commented Jan 1, 2021

It'll be missing dependencies for Ubuntu, for example we have libxcb-xinerama0 pyqt5-dev-tools for PyQt5.

I've created python-pillow/docker-images#102 to add PySide6 and its dependencies to the ubuntu-20.04-focal-amd64 image.

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radarhere commented Jan 1, 2021

Thanks

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Support PySide6 for ImageQt
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