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  1. Qt for Python
  2. PYSIDE-1473

5.15.2 is incompatible to current debian stable

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Details

    • Bug
    • Resolution: Unresolved
    • P2: Important
    • None
    • 5.15.2
    • PySide
    • None
    • Linux/X11

    Description

      This is related to https://bugreports.qt.io/browse/QTBUG-88688

      It means that this version can not be used on debian buster (current stable distro):

      $ python venv/lib64/python3.7/site-packages/PySide2/examples/widgets/widgets/tetrix.py

qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "" even though it was found.
This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem.

Available platform plugins are: eglfs, linuxfb, minimal, minimalegl, offscreen, vnc, wayland-egl, wayland, wayland-xcomposite-egl, wayland-xcomposite-glx, webgl, xcb.

Aborted

      Placing a link as suggested in the above mentioned ticket is a workaround, but obviously this is not a real solution if the user is required to make that link.

      ln -sf /usr/lib/x86_64-linux-gnu/libxcb-util.so venv/lib64/python3.7/site-packages/PySide2/Qt/lib/libxcb-util.so.1

      It is very unfortunate that the last public 5.15.x version shows this problem.

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          Bug - A problem which impairs or prevents the functions of the product. QTBUG-88688 Qt application fails to start on Debian 10 Buster because libqxcb.so requires missing libxcb-util.so.1

          • P1: Critical - Urgent and Important, will STOP the release if matched with set FixVersion field. This includes regressions from the last version that are not edge cases; Data loss; Build issues; All but the most unlikely crashes/lockups/hanging; Serious usability issues and embarrassing bugs & Bugs critical to a deliverable. This is the highest possible priority for requirements.
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              crmaurei Cristian Maureira-Fredes
              bdev a dev
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                Updated:

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