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dupfind.py~
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dupfind.py~
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#################################################################
#################################################################
############### Copyright 2009 Corey Clayton ####################
#################################################################
#################################################################
"""
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
"""
VERSION = 1.0
import sys, os, zlib
from PyQt4 import QtCore, QtGui
from PyQt4.QtCore import *
from ui_dupfind import Ui_dupfind
from datetime import datetime
# create a global dictionary object that will map
# file sizes to a list of files of that size
sDict = {}
#and one for hashes mapped to filenames
hDict = {}
#a reverse mapping: path -> hash
rMap = {}
iLst = []
class StartQt4(QtGui.QMainWindow):
def __init__(self, parent=None):
QtGui.QWidget.__init__(self, parent)
self.thread = Worker()
self.ui = Ui_dupfind()
self.ui.setupUi(self)
self.ui.treeWidget_dup.setSortingEnabled(True)
# here we connect signals with our slots
QtCore.QObject.connect(self.ui.pushButton_browse, QtCore.SIGNAL("clicked()"), self.file_dialog)
QtCore.QObject.connect(self.ui.pushButton_scan, QtCore.SIGNAL("clicked()"), self.do_scan)
QtCore.QObject.connect(self.ui.treeWidget_dup, QtCore.SIGNAL("itemClicked(QTreeWidgetItem *,int)"), self.dupItem_click)
QtCore.QObject.connect(self.thread, SIGNAL("addItem_dup(QString)"), self.addItem_dup)
QtCore.QObject.connect(self.thread, SIGNAL("statMsg(QString)"), self.statMsg)
QtCore.QObject.connect(self.ui.actionAbout, QtCore.SIGNAL("triggered()"), self.aboutMe)
def file_dialog(self):
fd = QtGui.QFileDialog(self)
fd.setFileMode(QtGui.QFileDialog.Directory)
fd.setOption(QtGui.QFileDialog.ShowDirsOnly)
d = fd.getExistingDirectory()
self.ui.lineEdit_dir.setText(d)
def do_scan(self):
#clear everything
sDict.clear
hDict.clear
rMap.clear
for i in iLst:
print "die"
i = None
self.ui.treeWidget_dup.clear()
self.thread.scan(str(self.ui.lineEdit_dir.text()))
def dupItem_click(self, item):
self.ui.listWidget_all.clear()
h = rMap[str(item.text(0))]
for dup in hDict[h]:
QtGui.QListWidgetItem(dup, self.ui.listWidget_all)
def addItem_dup(self, string):
fstat = os.stat(str(string))
item = QtGui.QTreeWidgetItem()
#file name
item.setText(0, string)
#file size
fsize = fstat.st_size
if fsize > 2 ** 30:
item.setText(1, str(fsize/2**30) + " GiB")
elif fsize > 2 ** 20:
item.setText(1, str(fsize/2**20) + " MiB")
elif fsize > 2 ** 10:
item.setText(1, str(fsize/2**10) + " KiB")
else:
item.setText(1, str(fsize) + " Bytes")
#mtime
item.setText(2, str(datetime.fromtimestamp(fstat.st_mtime)))
#ctime
item.setText(3, str(datetime.fromtimestamp(fstat.st_ctime)))
#atime
item.setText(4, str(datetime.fromtimestamp(fstat.st_atime)))
self.ui.treeWidget_dup.addTopLevelItem(item)
iLst.append(item)
def statMsg(self, string):
#self.ui.statusbar.clearMessage()
self.ui.statusbar.showMessage(string)
def aboutMe(self):
msg = QtGui.QMessageBox();
msg.setText("DupFind version " + str(VERSION) + "\n\n:-)")
msg.exec_()
class Worker(QThread):
def __init__(self, parent = None):
QThread.__init__(self, parent)
self.exiting = False
#do init here
def __del__(self):
self.exiting = True
self.wait()
def scan(self, path):
self.dirpath = path
self.start()
def run(self):
#here is the meat
#this is the scan part
self.walkdir(self.dirpath)
for k, v in sDict.iteritems():
if len(v) > 1:
print "possible duplicates found:"
for fname in v:
h = self.genHash(fname)
print "--> " + fname + " [" + str(h) + "]"
if (h in hDict) == False: # we have a new hash
hDict[h] = [fname]
else: #append name to existing list for hash
hDict[h].append(fname)
for k, v in hDict.iteritems():
if len(v) > 1:
for fname in v:
rMap[fname] = k
self.emit(SIGNAL("addItem_dup(QString)"), v[0])
self.emit(SIGNAL("statMsg(QString)"), "Done.")
def walkdir(self, path, recursive=True):
self.emit(SIGNAL("statMsg(QString)"), "Scanning directory: " + path)
w = os.walk(path)
try:
wtpl = w.next()
except StopIteration:
print "generator depleted!"
for name in wtpl[2]:
st = os.stat(path + '/' + name)
if (st.st_size in sDict) == False: #if this filesize is not in the dictionary
#add it to the dict in a new list with size as a key
sDict[st.st_size] = [path + '/' + name]
else: #key exists, append to list
sDict[st.st_size].append(path + '/' + name)
print "adding [" + str(st.st_size) + ":" + name + "]"
if recursive==True:
for d in wtpl[1]:
self.walkdir(str(path + '/' + d))
def genHash(self, path):
self.emit(SIGNAL("statMsg(QString)"), "Hashing file: " + path)
#crc32
f = open(path)
buff = f.read()
f.close()
return zlib.crc32(buff)
if __name__ == "__main__":
app = QtGui.QApplication(sys.argv)
myapp = StartQt4()
myapp.show()
sys.exit(app.exec_())