#!/usr/bin/python
 
import sys
from PyQt4 import QtCore, QtGui
 
class MainWindow(QtGui.QMainWindow):
    def __init__(self, parent = None):
        QtGui.QMainWindow.__init__(self, parent)
        centralWidget = QtGui.QTreeView()
        centralWidget.setAnimated(False)
        centralWidget.setIndentation(20)
        centralWidget.setSortingEnabled(True)
 
        self.setCentralWidget(centralWidget)
        self.model = QtGui.QFileSystemModel()
        self.model.setRootPath('')
        centralWidget.setModel(self.model)
 
if __name__ == "__main__":
    app = QtGui.QApplication(sys.argv)
    window = MainWindow()
    window.show()
    sys.exit(app.exec_())