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.. _tutorial_qml_debugging:
Using Qt Creator's QML Debugger for a PySide6 QML Application
*************************************************************
Besides the C++ debugger, *Qt Creator* provides a `QML debugger`_ which lets you
inspect JavaScript code. It works by connecting to a socket server run by the
``QmlEngine`` instance. The port is passed on the command line. To enable it,
add the below code to your QML application:
.. code-block:: python
from argparse import ArgumentParser, RawTextHelpFormatter
...
if __name__ == "__main__":
argument_parser = ArgumentParser(...)
argument_parser.add_argument("-qmljsdebugger", action="store",
help="Enable QML debugging")
options = argument_parser.parse_args()
if options.qmljsdebugger:
QQmlDebuggingEnabler.enableDebugging(True)
app = QApplication(sys.argv)
For instructions on how to use the QML debugger, see
`Debugging a Qt Quick Example Application`_.
.. note:: The code should be removed or disabled when shipping the application
as it poses a security risk.
.. _`QML debugger`: https://doc.qt.io/qtcreator/creator-debugging-qml.html
.. _`Debugging a Qt Quick Example Application`: https://doc.qt.io/qtcreator/creator-qml-debugging-example.html
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