# !/usr/bin/env python
# coding: utf-8


import re import operator import os import sys import stat from
PyQt4.QtCore import * from PyQt4.QtGui import *

class File(object):
header=[

‘type’, ‘name’, ‘size’, ‘mtime’ ]
def __init__(self, path):
self.path=os.path.abspath(path) self.data=[None, None, None,
None] s=os.stat(path) mode=s[stat.ST_MODE] if
stat.S_ISDIR(mode): self.data[0]=‘dir’ elif
stat.S_ISLNK(mode): self.data[0]=‘link’ elif
stat.S_ISREG(mode): self.data[0]=‘file’ else:
self.data[0]=‘unknown’ self.data[1]=os.path.basename(path)
self.data[2]=s[stat.ST_SIZE]
self.data[3]=s[stat.ST_MTIME]
def __str__(self):
return “<%s %s>” % (self.data[0], self.data[1])
def __getitem__(self, key):
return self.data[key]
def is_dir(self):
return self.data[0]==‘dir’

class MyTableModel(QAbstractTableModel):
def __init__(self, parent, path):

super(MyTableModel, self).__init__(parent) def
get_stat(name): f=File(os.path.join(path, name)) return f
self.data=[get_stat(os.path.join(path, “..”))]+[get_stat(e)
for e in os.listdir(path)]
def rowCount(self, parent):
return len(self.data)
def columnCount(self, parent):
return len(File.header)
def data(self, index, role):
if not index.isValid():

return None
elif role != Qt.DisplayRole:
return None

return self.data[index.row()][index.column()]
def headerData(self, col, orientation, role):
if orientation == Qt.Horizontal and role == Qt.DisplayRole:

return File.header[col]

return None
def sort(self, Ncol, order):
”““Sort table by given column number.
“”” self.emit(SIGNAL(“layoutAboutToBeChanged()”)) self.data =
sorted(self.data,
key=operator.itemgetter(Ncol), reverse=(order!=Qt.DescendingOrder))
self.emit(SIGNAL(“layoutChanged()”))
def getRow(self, index):
return self.data[index]

class MyWindow(QWidget):
def __init__(self, *args): QWidget.__init__(self,*args)

# create the view self.tv = QTableView() # hide
grid self.tv.setShowGrid(False) # hide vertical header vh
= self.tv.verticalHeader() vh.setVisible(False) # set
horizontal header properties hh = self.tv.horizontalHeader()
hh.setStretchLastSection(True) # set column width to fit
contents self.tv.resizeColumnsToContents() # enable
sorting self.tv.setSortingEnabled(True) # layout layout
= QVBoxLayout() layout.addWidget(self.tv) self.setLayout(layout)
# double
click self.tv.doubleClicked.connect(self.onDoubleClick)

def chdir(self, path):

self.tm = MyTableModel(self, path) # set the table
model self.tv.setModel(self.tm)
def onDoubleClick(self, event):
item=self.tm.getRow(event.row()) if not item.is_dir():
return self.chdir(item.path)

def main():
app = QApplication(sys.argv) w = MyWindow() w.chdir(“.”) w.show()
sys.exit(app.exec_())
if __name__ == “__main__“:
main()