Hard disk structure like a file selection dialog

[Axel_Erfurt]

QTreeView with QFileSystemModel ?

import sys
from PyQt5.QtWidgets import (QFileSystemModel, QWidget, QApplication, 
                                QHBoxLayout, QTreeView)
from PyQt5.QtCore import QDir

class Widget(QWidget):
    def __init__(self, *args, **kwargs):
        QWidget.__init__(self, *args, **kwargs)
        hlay = QHBoxLayout(self)
        self.treeview = QTreeView()
        self.listview = QTreeView()
        hlay.addWidget(self.treeview)
        hlay.addWidget(self.listview)

        path = QDir.rootPath()

        self.dirModel = QFileSystemModel()
        self.dirModel.setRootPath(QDir.rootPath())
        self.dirModel.setFilter(QDir.NoDotAndDotDot | QDir.AllDirs)

        self.fileModel = QFileSystemModel()
        self.fileModel.setFilter(QDir.NoDotAndDotDot | QDir.Files)

        self.treeview.setModel(self.dirModel)
        self.listview.setModel(self.fileModel)

        self.treeview.setRootIndex(self.dirModel.index(path))
        self.listview.setRootIndex(self.fileModel.index(path))

        self.treeview.clicked.connect(self.on_clicked)

    def on_clicked(self, index):
        path = self.dirModel.fileInfo(index).absoluteFilePath()
        self.listview.setRootIndex(self.fileModel.setRootPath(path))


if __name__ == '__main__':
    app = QApplication(sys.argv)
    w = Widget()
    w.setGeometry(50, 50, 800, 600)
    w.show()
    sys.exit(app.exec_())