Nuitka: FileDialog PyQt5>K error

Factory Nuitka as requested: 1.9rc6 Commercial: None Python: 3.8.10 (default, Oct 4 2023, 11:36:56) Flavor: Unknown Executable: /home/daniel/Desktop/nuitka_tests/env/bin/python OS: Linux Arch: x86_64 Distribution: Ubuntu (based on Debian) 18.04.6 Version C compiler: /usr/bin/gcc (gcc).

Python3.8.10 from source with, only enabled optimizations, created a new venv from it and then pulled factory from pip

python -m pip freeze:

Nuitka @ https://github.com/Nuitka/Nuitka/archive/factory.zip
ordered-set==4.1.0
PyQt5==5.15.6
PyQt5-Qt5==5.15.2
PyQt5-sip==12.13.0
zstandard==0.21.0

Breaking sample code:

import sys
from PyQt5.QtWidgets import QApplication, QMainWindow, QPushButton, QFileDialog

class FileDialogExample(QMainWindow):
    def __init__(self):
        super().__init__()
        self.initUI()

    def initUI(self):
        self.setGeometry(100, 100, 400, 200)
        self.setWindowTitle('File Dialog Example')
        self.button = QPushButton('Open File Dialog', self)
        self.button.setGeometry(150, 80, 150, 30)
        self.button.clicked.connect(self.showFileDialog)

    def showFileDialog(self):
        options = QFileDialog.Options()
        options |= QFileDialog.ReadOnly
        file_dialog = QFileDialog()
        file_name, _ = file_dialog.getOpenFileName(self, 'Open File', '', 'All Files (*);;Text Files (*.txt);;Python Files (*.py)', options=options)
        if file_name:
            print(f'Selected File: {file_name}')

def main():
    app = QApplication(sys.argv)
    ex = FileDialogExample()
    ex.show()
    sys.exit(app.exec_())

if __name__ == '__main__':
    main()

• Provide in your issue the Nuitka options used Built with: python -m nuitka --standalone --enable-plugin=pyqt5 --report=compilation-report.xml pyqt5_file_dialog.py

This code is built on Ubuntu 18.04 and works from the *.dist build folder on the same system: On moving to an Ubuntu 22.04 system and trying to run the same way I get the following issue as described. When clicking the file dialog button:

...
...
...
Fontconfig error: "/etc/fonts/conf.d/80-delicious.conf", line 5: invalid attribute 'selector'
Fontconfig error: "/etc/fonts/conf.d/80-delicious.conf", line 6: invalid attribute 'xmlns:its'
Fontconfig error: "/etc/fonts/conf.d/80-delicious.conf", line 6: invalid attribute 'version'
Fontconfig warning: "/etc/fonts/conf.d/90-synthetic.conf", line 4: unknown element "its:rules"
Fontconfig warning: "/etc/fonts/conf.d/90-synthetic.conf", line 5: unknown element "its:translateRule"
Fontconfig error: "/etc/fonts/conf.d/90-synthetic.conf", line 5: invalid attribute 'translate'
Fontconfig error: "/etc/fonts/conf.d/90-synthetic.conf", line 5: invalid attribute 'selector'
Fontconfig error: "/etc/fonts/conf.d/90-synthetic.conf", line 6: invalid attribute 'xmlns:its'
Fontconfig error: "/etc/fonts/conf.d/90-synthetic.conf", line 6: invalid attribute 'version'
Fontconfig error: Cannot load config file from /etc/fonts/fonts.conf
/usr/lib/x86_64-linux-gnu/gvfs/libgvfscommon.so: undefined symbol: g_task_set_name
Failed to load module: /usr/lib/x86_64-linux-gnu/gio/modules/libgioremote-volume-monitor.so
/usr/lib/x86_64-linux-gnu/gvfs/libgvfscommon.so: undefined symbol: g_task_set_name
Failed to load module: /usr/lib/x86_64-linux-gnu/gio/modules/libgioremote-volume-monitor.so
/usr/lib/x86_64-linux-gnu/gvfs/libgvfscommon.so: undefined symbol: g_task_set_name
Failed to load module: /usr/lib/x86_64-linux-gnu/gio/modules/libgvfsdbus.so

(main.bin:21344): Gtk-WARNING **: 13:54:50.175: Could not load a pixbuf from icon theme.
This may indicate that pixbuf loaders or the mime database could not be found.
**
Gtk:ERROR:../../../../gtk/gtkiconhelper.c:494:ensure_surface_for_gicon: assertion failed (error == NULL): Failed to load /org/gtk/libgtk/icons/16x16/status/image-missing.png: Unrecognized image file format (gdk-pixbuf-error-quark, 3)

GTK is not being explicitly installed by pip as shown on the venv freeze and I’m not trying to use GTK for anything. I won’t attach the build xml but it was shared by email if useful. Just posting here if the code or reference is helpful. Thanks