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  1. Qt for Python
  2. PYSIDE-2371

REG->6.5: Memory leak connecting signal to local function

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Details

    • Bug
    • Resolution: Fixed
    • P4: Low
    • 6.5.2, 6.6.0
    • 6.4.0, 6.4.1, 6.5.0, 6.5.1, 6.4.2, 6.4.3, 6.5.1.1
    • PySide
    • None
    • Windows
    • f0109334c (dev), 7222d8a04 (6.5), 46ab90a5f (dev), afffc5838 (6.5), 2f37a27b3 (dev), 1c6a6a4e4 (6.5)

    Description

      When use signal,  the connected local function can not be destroyed by python

      PYQT6.x not found this problem  

       

      import sys
      from PySide6.QtWidgets import *
      from PySide6.QtCore import *
      from PySide6.QtGui import *
      
      
      if __name__ == "__main__":
          app = QApplication(sys.argv)
      
          def func():
             button = QPushButton()
      
             def onClicked(text):
                print("=========clicked button:", text)
             button.clicked.connect(partial(onClicked, "demo"))
      
          def _run():
             import objgraph
             objgraph.show_growth()
             func()
             QTimer.singleShot(1000, _run)
      
          _run()
          app.exec()
      

      test.zip

       

      Attachments

        1. pyside2371_diag.diff
          6 kB
        2. pyside2371_log.txt
          2 kB
        3. pyside2371.py
          1.0 kB
        4. test.zip
          38 kB
        5. testcode.png
          testcode.png
          244 kB

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              kleint Friedemann Kleint
              jerryhao_ jerry hao
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              Dates

                Created:
                Updated:
                Resolved:

                Gerrit Reviews