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source/10-graphical-ui/gui/fileselector.py

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+"""
+Example code to select file using a file dialog.
+
+Needs a Qt Application object and then a File dialog object.
+The `getOpenFileName()` method on the file dialog object opens
+a dialog for loading a single file. It returns a tuple, containing
+the selected file name (str) and the filter (str).
+If no file was selected (cancelled), you get empty strings in the tuple.
+"""
+from PySide6.QtWidgets import QFileDialog, QApplication
+
+application = QApplication()
+# You don't need application.exec() here because the method blocks the python script execution.
+dialog = QFileDialog(directory="/home/steve", caption="Sélectionnez un fichier", filter="Text files (*.txt);; All files (*.*)")
+selection: tuple[str, str] = dialog.getOpenFileName()
+print(selection)
+
+with open("/home/steve/Code/training/python/beginner/documentation/12-logging.md", "r") as file:
+    lines = file.readlines()
+print(lines)