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  1. Qt for Python
  2. PYSIDE-2034

QMessageBox.information in main thread blocks worker thread.

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    • Icon: Bug Bug
    • Resolution: Done
    • Icon: P3: Somewhat important P3: Somewhat important
    • None
    • 5.15.2, 6.3.1
    • PySide
    • None
    • Python 3.8.5 64 bit
      Windows 10
    • Windows
    • 5c37a8c9ff (pyside/pyside-setup/dev) 5c37a8c9ff (pyside/tqtc-pyside-setup/dev) 5c37a8c9ff (pyside/tqtc-pyside-setup/tqtc/dev) 16c25a20cf (pyside/pyside-setup/6.3) 32538b5143 (pyside/tqtc-pyside-setup/6.2) 16c25a20cf (pyside/pyside-setup/6.3.2)

      Issue:

      When invoking QMessageBox.information in main thread it blocks execution of worker thread until message box is closed.

      This both occurs when using PySide2 5.15.2 and PySide6 6.3.1 .

       

      Expected behavior:

      Invoking QMessageBox.information doesn't affect worker thread.

       

      Notes:

      This doesn't happen when using PyQt5 5.15.7 . 

       

       

        1. example_QMessageBox_blocking_worker_thread.py
          1 kB
        2. pyside2034_qthread.py
          2 kB
        3. pyside2034.py
          2 kB
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            kleint Friedemann Kleint
            drakkar Matthew Banasik
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              Created:
              Updated:
              Resolved:

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