python查找并删除相同文件-UNIQ File-wxPython-v6

相比第一版，新增：菜单，对话框，文件过滤器，操作结果保存，配置功能（自己写了一个读写配置文件的功能），提示语优化，模块分化更合理。

截图：

源代码：

UniqFile-wxPython-v6.py：

 # -*- coding: gbk -*-
 
 '''
 Author:@DoNotSpyOnMe
 Blog: http://www.cnblogs.com/aaronhoo
 '''
 
 import wx,os
 from Dialogs import DialogSetFilters,DialogAboutApp,DialogAboutAuthor
 from WorkerThread import WorkerThread
 from MyConfig import MyConfig
 import sys
 reload(sys)
 sys.setdefaultencoding('utf-8')
 
 class MyFrame(wx.Frame):
     def __init__(self):
         wx.Frame.__init__(self,None,title='UNIQ File-wxPython',size=(810,450))
         self.LoadControls()
         self.InitConfigData()
 
     def InitConfigData(self):
         configFile='metaData/config.txt'
         #若不存在该配置文件，创建一个
         if not os.path.exists(configFile):
             os.makedirs('metaData')
             f=open('metaData/config.txt','w')
             f.close()
         config=MyConfig(configFile)
         '''Init configurations'''
         config.set('Program','UNIQFile')
         config.set('IsExcludeHiddenFiles','False')
         config.set('Images','.jpg/.jpeg/.bmp/.png/.gif/.ico')
         config.set('Audios','.mp3/.wav/.aiff/.wma/.aac')
         config.set('Videos','.mp4/.rmvb/.avi/.wmv/.mov')
         config.set('Documents','.pdf/.txt/.doc/.docx/.ppt/.pptx/.xls/.xlsx/.log')
         config.set('FileSizeUnit','MB')
         config.set('MaxFileSize',128*1024)
         config.set('FileSizeStart',0)
         config.set('FileSizeEnd', 128*1024)
         config.set('FileTypeOption','Default')
         config.set('SelectedFileTypes','None')
         config.set('OtherFilesSelected','None')
         config.set('IsImagesSelected','False')
         config.set('IsAudiosSelected','False')
         config.set('IsVideosSelected', 'False')
         config.set('IsDocumentsSelected','False')
         config.set('IsFileTypeFilterWorking','False')
         config.set('IsFileSizeFilterWorking','False')
         config.saveConfig() 
 
     def LoadControls(self):
         '''必须先添加菜单，再创建panel容器，否则菜单会被包括在panel当中，导致panel布局错乱'''
         self.createMenu()
 
         '''再创建panel容器'''
         pan=wx.Panel(self)
         self.lblDir=wx.StaticText(pan,-1,'Dir:',style=wx.ALIGN_LEFT)
         self.txtFile=wx.TextCtrl(pan,size=(380,30))
 
         self.btnOpen=wx.Button(pan,label='Pick Directory')
         self.btnOpen.Bind(wx.EVT_BUTTON, self.OnOpen)
         self.btnList=wx.Button(pan,label='Find duplicated')
         self.btnList.Bind(wx.EVT_BUTTON, self.OnFind)
         self.btnRemove=wx.Button(pan,label='Remove duplicated')
         self.btnRemove.Bind(wx.EVT_BUTTON, self.OnRemove)
 
         hbox=wx.BoxSizer()
         hbox.Add(self.lblDir,proportion=0,flag=wx.LEFT,border=5)
         hbox.Add(self.txtFile,proportion=0,flag=wx.LEFT,border=5)
         hbox.Add(self.btnOpen,proportion=0,flag=wx.LEFT,border=5)
         hbox.Add(self.btnList,proportion=0,flag=wx.LEFT,border=5)
         hbox.Add(self.btnRemove,proportion=0,flag=wx.LEFT,border=5)
 
         self.txtContent=wx.TextCtrl(pan,style=wx.TE_MULTILINE|wx.HSCROLL)
         vbox=wx.BoxSizer(wx.VERTICAL)
 #         vbox.Add(menuBar,proportion=0,flag=wx.EXPAND|wx.ALL,border=5)
         vbox.Add(hbox,proportion=0,flag=wx.EXPAND|wx.ALL,border=5)
         vbox.Add(self.txtContent,proportion=1,flag=wx.EXPAND,border=5)
         pan.SetSizer(vbox) 
 
     def LoadMetaData(self):
         dict={}
         dict['Image']='.jpg/.jpeg/.bmp/.png/.gif/.ico'
         dict['Audio']='.mp3/.wav/.aiff/.wma/.aac'
         dict['Video']='.mp4/.rmvb/.avi/.wmv/.mov'
         dict['Document']='.pdf/.txt/.doc/.docx/.ppt/.pptx/.xls/.xlsx/.log'
 
         return dict    
 
     def createMenu(self):
         menuBar=wx.MenuBar()
 
         menuFile=wx.Menu()
         mOpen=menuFile.Append(-1,'Open Directory')#添加一级子菜单
         mSave=menuFile.Append(-1,'Save Result')#添加一级子菜单
         menuFile.AppendSeparator()
         mExit=menuFile.Append(-1,'Exit')#添加一级子菜单
         menuBar.Append(menuFile,'&File')
 
         menuOptions=wx.Menu()
         mSetFilter=menuOptions.Append(-1,'Set Filters')
 #         sbmFileTypefilter=mfilter.Append(-1,'File type filter')#添加二级子菜单
 #         sbmFileHidden=mfilter.Append(-1,'Ignore option')#添加二级子菜单 忽略隐藏文件 hidden files
 #         mIsRecursive=mfilter.Append(-1,'About the author')#添加二级子菜单
         menuBar.Append(menuOptions,'&Options')
 
         menuHelp=wx.Menu()
         mAbout=wx.Menu()
         sbmAboutApp=mAbout.Append(-1,'About this app')#添加二级子菜单
         sbmAboutAuthor=mAbout.Append(-1,'About the author')#添加二级子菜单
         menuHelp.AppendMenu(-1,'About',mAbout)#添加一级子菜单
         menuBar.Append(menuHelp,'&Help')
         '''绑定菜单事件'''
         self.Bind(wx.EVT_MENU, self.OnOpen, mOpen)
         self.Bind(wx.EVT_MENU, self.OnSave, mSave)
         self.Bind(wx.EVT_MENU, self.OnSetFilters, mSetFilter)
         self.Bind(wx.EVT_MENU, self.OnAboutApp, sbmAboutApp)
         self.Bind(wx.EVT_MENU, self.OnAboutAuthor, sbmAboutAuthor)
         self.Bind(wx.EVT_MENU, self.OnExit, mExit)
         '''最后组装'''
         self.SetMenuBar(menuBar)
 
     def OnSetFilters(self,event):
         dlg=DialogSetFilters(self)
         result=dlg.ShowModal()
         if result==wx.OK:
             pass
         elif result==wx.CANCEL:
             pass
         dlg.Destroy()
 
     def OnExit(self,event):
         self.Close()
 
     def OnAboutApp(self,event):
         dlg=DialogAboutApp(self)
         dlg.ShowModal()
         dlg.Destroy()
 
     def OnAboutAuthor(self,event):
         dlg=DialogAboutAuthor(self)
         dlg.ShowModal()
         dlg.Destroy()
 
     def OnOpen(self,event):
         dlg = wx.DirDialog(None,u"choose a folder",style=wx.DD_DEFAULT_STYLE)
         if dlg.ShowModal() == wx.ID_OK:
             dlg.Destroy()
             if dlg.GetPath():
                 self.dirSelected=dlg.GetPath() #文件夹路径
                 self.txtFile.SetValue(self.dirSelected)      
 
                 self.SetButtons('selected')
                 self.txtContent.SetValue('Selected dirctory: %s\n'%self.dirSelected)
 
     def OnSave(self,event):
         if self.txtContent.GetValue()=='':
             wx.MessageBox('No results to save.','Tip Message',wx.YES_DEFAULT|wx.ICON_INFORMATION)
             return
         dlg=wx.FileDialog(None, message="Choose a file",defaultDir="", defaultFile="", wildcard="*.txt", style=wx.SAVE)
         if dlg.ShowModal() == wx.ID_OK:
             dlg.Destroy()
             if dlg.GetPath():
                 newfile=dlg.GetPath();
 #                 if os.path.exists(newfile):
 #                     confirmDlg=wx.MessageDialog(None,'The file selected already exists,do you want to overwrite?','Tip Message',wx.YES_NO|wx.ICON_QUESTION)
 #                     if confirmDlg.ShowModal() == wx.YES:
                 self.SaveResult(newfile)
                 wx.MessageBox('Result has been saved at %s.'%newfile,'Tip Message',wx.YES_DEFAULT|wx.ICON_INFORMATION)
                 return  
 
     def SaveResult(self,path):
         f=open(path,'wb')
         content=self.txtContent.Value
         content=content.encode('utf-8')
         lines=[]
         while content.find('\n')!=-1:
             line=content[:content.index('\n')+1]
             lines.append(line)
             content=content[content.index('\n')+1:]
         f.writelines(lines)
         f.close() 
 
     def OnFind(self,event):
         if not self.txtFile.GetValue() or not os.path.isdir(self.txtFile.GetValue()):
             wx.MessageBox('please select a valid directory first.','Tip Message',wx.YES_DEFAULT|wx.ICON_INFORMATION)
             return
         self.dirSelected=self.txtFile.GetValue()
         self.txtContent.SetValue('')
         msg='Finding duplicated files in %s\n'%self.dirSelected
         self.txtContent.SetValue(msg)
         WorkerThread(self,self.dirSelected,'find',msg)
 
     def OnRemove(self,event):
         if not self.txtFile.GetValue() or not os.path.isdir(self.txtFile.GetValue()):
             wx.MessageBox('please select a valid directory first.','Tip Message',wx.YES_DEFAULT|wx.ICON_INFORMATION)
             return
         self.dirSelected=self.txtFile.GetValue()
         self.txtContent.SetValue('')
         msg='Removing duplicated files in %s\n'%self.dirSelected
         self.txtContent.SetValue(msg)
         WorkerThread(self,self.dirSelected,'remove',msg)
 
     def BtnStopHandler(self,event):
         pass
 
     def SetButtons(self,status):
         if status=='init':
             self.btnOpen.Enable()
             self.btnList.Disable()
             self.btnRemove.Disable()
 #             self.btnStop.Disable()
         elif status=='operating':
             self.btnOpen.Disable()
             self.btnList.Disable()
             self.btnRemove.Disable()
 #             self.btnStop.Enable()
         elif status=='completed':
             self.btnOpen.Enable()
             self.btnList.Enable()
             self.btnRemove.Enable()
 #             self.btnStop.Disable()
         elif status=='selected':
             self.btnOpen.Enable()
             self.btnList.Enable()
             self.btnRemove.Enable()
 #             self.btnStop.Disable() 
 
 if __name__=="__main__":
     app=wx.App()
     MyFrame().Show()
     app.MainLoop()

WorkerThread.py：

 # -*- coding: gbk -*-
 
 '''
 Author:@DoNotSpyOnMe
 Blog: http://www.cnblogs.com/aaronhoo
 '''
 from MyConfig import MyConfig
 import threading
 import math
 import platform,os
 import hashlib
 from Utils import Utils
 
 class WorkerThread(threading.Thread):
     def __init__(self,frame,dir,operation,msg):
         """初始化工作线程: 把主窗口传进来"""
         threading.Thread.__init__(self)
         self.frame = frame#传入主窗口，以便在线程中操作UI界面
         self.dir=dir
         self.operation=operation
         self.LoadConfigFile()
         self.msg=msg
         self.setDaemon(True)#设置子线程随UI主线程结束而结束
 
         self.MEGATOBYTENUMBER=math.pow(2,20)#将MB数转为字节数
 #         self.SetDirSplitor()
         self.Utils=Utils()
         self.start()
     #----------------------------------------------------------------------
         '''加载配置文件'''
     def LoadConfigFile(self):
         configFile='metaData/config.txt'
         self.config=MyConfig(configFile)
 
     def run(self):
         """执行工作线程"""
         self.frame.SetButtons('operating')
         try:
             if self.operation=='find':
                 self.listSameFile(self.dir)
                 self.frame.btnList.Enable()
             elif self.operation=='remove':
                 self.removeSameFile(self.dir)
                 self.frame.btnRemove.Enable()
         except Exception,e:
             print e
         finally:
             self.frame.SetButtons('completed')
 #
 #     def stop(self):
 #         self.keepRunning=False
 
     def appendMsg(self,msg):
         if self.frame:
             #以下方式可以实现终端式的刷新：自动滚动到最新行
             self.frame.txtContent.AppendText(msg+'\n')        
 
     '''Waring:disabled feature,not implemented'''
     def filterHiddenFiles(self):
         IsExcludeHiddenFiles=eval(self.config.get('IsExcludeHiddenFiles'))
 
     def filterFileTypes(self,files,FileTypeOption,selectedFileTypes):
         fileCopy=[f for f in files]#fileCopy is a copy of files
         if FileTypeOption=='Default':
             pass
         elif FileTypeOption=='Exclude':
             for f in files:
                 ftype=self.Utils.getFileType(f)
                 if self.Utils.isInList(selectedFileTypes, ftype):
                     fileCopy.remove(f)
         elif FileTypeOption=='Include':
             for f in files:
                 ftype=self.Utils.getFileType(f)
                 if not self.Utils.isInList(selectedFileTypes, ftype):
                     fileCopy.remove(f)
         del files
         return fileCopy
 
     def getFileRange(self):
         fileSizeStart=float(self.config.get('FileSizeStart'))*self.MEGATOBYTENUMBER
         inputFileSizeEnd=self.config.get('FileSizeEnd')
         if inputFileSizeEnd=='None':
             fileSizeEnd=eval(self.config.get('MaxFileSize'))*self.MEGATOBYTENUMBER
         else:
             fileSizeEnd=float(inputFileSizeEnd)*self.MEGATOBYTENUMBER
         return (fileSizeStart,fileSizeEnd)
 
     def isFileSizeInRange(self,fileSize,fileSizeStart,fileSizeEnd):
         return fileSizeStart<=fileSize<=fileSizeEnd
 
     def findSameSizeFiles(self,files):
         dicSize={}
         fileTypeOption=self.config.get('FileTypeOption')
         selectedFileTypes=self.config.get('SelectedFileTypes').split(';')
         '''过滤文件类型'''
         files=self.filterFileTypes(files,fileTypeOption,selectedFileTypes)
 
         tpFileRange=self.getFileRange()
 
         for f in files:
             size=self.Utils.getFileSize(f)
             '''过滤文件大小'''
             if not self.isFileSizeInRange(size,tpFileRange[0],tpFileRange[1]):
                 continue
             if not dicSize.has_key(size):
                 dicSize[size]=f
             else:
                 dicSize[size]=dicSize[size]+';'+f
         dicCopy=dicSize.copy()
         for k in dicSize.iterkeys():
             if dicSize[k].find(';')==-1:
                dicCopy.pop(k)
         del dicSize
         return dicCopy
 
     def findSameMD5Files(self,files):
         dicMD5={}
 
         for f in files:
             self.appendMsg('calculating md5 value of file %s'%f)
             md5=self.Utils.getFileMD5(f)
             if not dicMD5.has_key(md5):
                 dicMD5[md5]=f
             else:
                 dicMD5[md5]=dicMD5[md5]+';'+f
         dicCopy=dicMD5.copy()
         for k in dicMD5.iterkeys():
             if dicMD5[k].find(';')==-1:
                dicCopy.pop(k)
         del dicMD5
         return dicCopy
 
     def isFileTypeFilterWorking(self):
         return eval(self.config.get('IsFileTypeFilterWorking'))  
 
     def isFileSizeFilterWorking(self):
         return eval(self.config.get('IsFileTypeFilterWorking'))
 
     def LoadFiltersInfo(self):
         flag1=self.isFileTypeFilterWorking()
         flag2=self.isFileSizeFilterWorking()
 
         if flag1 or flag2:
             self.appendMsg('Tips:file filters is working:')
         if flag1:
             self.appendMsg("File Type Filter:")
             option=self.config.get('FileTypeOption')
             fileTypes=self.config.get('SelectedFileTypes')
             self.appendMsg("%s:%s\n"%(option if option=='Exclude' else 'Include only',fileTypes))
         if flag2:
             self.appendMsg("File Size Filter:")
             start=self.config.get('FileSizeStart')
             end=self.config.get('FileSizeEnd')
             self.appendMsg("%s MB - %s MB\n"%(start,end))
         self.appendMsg('Start working...\n')
 
     def listSameFile(self,mydir):
         msg=''
         msgUniq='\nCongratulations,all files are unique.'
         try:
             existsFlag=False
             files=self.Utils.getAllFiles(mydir)
             self.appendMsg('%s files found in directory %s\n'%(len(files),mydir))
             self.LoadFiltersInfo()
             dicFileOfSameSize=self.findSameSizeFiles(files)
             groupCount=0
             if dicFileOfSameSize=={}:
                 self.appendMsg(msgUniq)
                 return
             else:
                 for k in dicFileOfSameSize.iterkeys():
                     filesOfSameSize=dicFileOfSameSize[k].split(';')
                     dicSameMD5file=self.findSameMD5Files(filesOfSameSize)
                     if dicSameMD5file!={}:
                         existsFlag=True
                         for k in dicSameMD5file.iterkeys():
                             msg=msg+'md5 %s: %s'%(k,dicSameMD5file[k])+'\n'
                             groupCount+=1
                 if not existsFlag:
                     msg=msgUniq
                 else:
                     msg='\nDuplicated files:\n'+msg+'\nFound %s groups of duplicated files totally.'%groupCount
         except Exception,e:
             print e
             msg='Exception occured.'
         finally:
             self.appendMsg(msg+'\n'+'\nOperation finished.')
 
     def removeSameFile(self,mydir):
         msg=''
         msgUniq='\nCongratulations,no file is removed since they are all unique.'
         try:
             existsFlag=False
             files=self.Utils.getAllFiles(mydir)
             self.appendMsg('%s files found in directory %s\n'%(len(files),mydir))
             self.LoadFiltersInfo()
             dicFileOfSameSize=self.findSameSizeFiles(files)
             if not self.config.get('FileTypeOption')=='Default':
                 self.appendMsg('Tips:file filters is working.\n')
             if dicFileOfSameSize=={}:
                 self.appendMsg(msgUniq)
                 return
             else:
                 #list the duplicated files first:
                 self.appendMsg('Finding duplicted files:')
                 dicFiltered={}
                 groupCount=0
                 for k in dicFileOfSameSize.iterkeys():
                     filesOfSameSize=dicFileOfSameSize[k].split(';')
                     dicSameMD5file=self.findSameMD5Files(filesOfSameSize)
                     if dicSameMD5file!={}:
                         existsFlag=True
                         for k in dicSameMD5file.iterkeys():
                             msg=msg+'md5 %s: %s'%(k,dicSameMD5file[k])+'\n'
                             groupCount+=1
                             dicFiltered[k]=dicSameMD5file[k]
                 if not existsFlag:
                     self.appendMsg(msgUniq)
                     return
                 else:
                     #then remove the duplicated files:
                     self.appendMsg('\nDuplicated files:\n'+msg+'\nFound %s groups of duplicated files totally.'%groupCount)
                     removeCount=0
                     for k in dicFiltered.iterkeys():
                         sameFiles=dicFiltered[k].split(';')
                         flagRemove=False
                         for f in sameFiles:
                             if not flagRemove:
                                 flagRemove=True
                             else:
                                 self.appendMsg('Removing file: %s'%f)
                                 os.remove(f)
                                 removeCount=removeCount+1
                     self.appendMsg('\n%s files are removed.\n'%removeCount)
         except Exception,e:
             print e
             msg='\nException occured.'
             self.appendMsg(msg)
         finally:
             self.appendMsg('\n\nOperation finished.')

Dialogs.py:

 # -*- coding: gbk -*-
 
 '''
 Author:@DoNotSpyOnMe
 Blog: http://www.cnblogs.com/aaronhoo
 '''
 import wx
 from wx.html import HtmlWindow
 from MyConfig import MyConfig
 import re
 from Utils import Utils
 
 class DialogSetFilters(wx.Dialog):
     def __init__(self, frame):
         wx.Dialog.__init__(self, frame, -1,'Filters',size=(560, 560) )
         self.frame=frame
         self.LoadConfigFile()
         self.LoadControls()
         self.InitWithConfigData()
         #为控件绑定事件
         self.BindControlEvent()
         self.Utils=Utils()
 
     '''加载配置文件'''
     def LoadConfigFile(self):
         configFile='metaData/config.txt'
         self.config=MyConfig(configFile)
 
     def LoadControls(self):
         panel = wx.Panel(self)
         sizer = wx.GridBagSizer(5,5)#预计需要5行5列，但实际可以超出该设定，GridGagSizer会自动增长
         '''加载隐藏文件过滤器的控件'''
         sb = wx.StaticBox(panel, label="Hidden File Filter",size=(500,100))
         boxsizer = wx.StaticBoxSizer(sb, wx.HORIZONTAL)
         self.cbExclHidden=wx.CheckBox(panel, label="Exclude hidden files(Waring:disabled feature)")
         boxsizer.Add((10,10),flag=wx.BOTTOM|wx.TOP,border=10)
         boxsizer.Add(self.cbExclHidden,flag=wx.BOTTOM|wx.TOP,border=10)
         sizer.Add(boxsizer, pos=(0,0),span=(1,5),flag=wx.LEFT|wx.TOP,border=25)
         #pos(0,0)表示位置在第1行，第1列，span=(1,5)表示该boxsizer占据1个行5个列的空间
 
         '''加载文件类型过滤器的控件'''
         sb = wx.StaticBox(panel, label="File Type Filter",size=(500,500))
         boxsizer = wx.StaticBoxSizer(sb, wx.VERTICAL)
         self.rdDefault=wx.RadioButton(panel,-1,'Default',style=wx.RB_GROUP)
         self.rdExclFtyp=wx.RadioButton(panel,-1,'Exclude')
         self.rdInclFtyp=wx.RadioButton(panel,-1,'Include Only')
         subHbox=wx.BoxSizer(wx.HORIZONTAL)
         subHbox.Add(self.rdDefault,flag=wx.LEFT,border=25)
         subHbox.Add(self.rdExclFtyp,flag=wx.LEFT,border=5)
         subHbox.Add(self.rdInclFtyp,flag=wx.LEFT,border=5)
         boxsizer.Add(subHbox)
 
         '''从配置文件读固定配置'''
         self.cbImage=wx.CheckBox(panel, label="Images("+self.config.get('Images')+")")
         self.cbAudio=wx.CheckBox(panel, label="Audios("+self.config.get('Audios')+")")
         self.cbVideo=wx.CheckBox(panel, label="Videos("+self.config.get('Videos')+")")
         self.cbDoc=wx.CheckBox(panel, label="Documents("+self.config.get('Documents')+")")
 
         self.lblOtherFiles=wx.StaticText(panel,label="Other files ( enter file extensions,split them with \";\" )")
         self.txtOtherFiles=wx.TextCtrl(panel,size=(400,25))
         subVbox=wx.BoxSizer(wx.VERTICAL)
         subVbox.Add(self.cbImage,flag=wx.LEFT|wx.TOP,border=10)
         subVbox.Add(self.cbAudio,flag=wx.LEFT|wx.TOP,border=10)
         subVbox.Add(self.cbVideo,flag=wx.LEFT|wx.TOP,border=10)
         subVbox.Add(self.cbDoc,flag=wx.LEFT|wx.TOP,border=10)
         subVbox.Add(self.lblOtherFiles,flag=wx.LEFT|wx.TOP,border=10)
         subVbox.Add(self.txtOtherFiles,flag=wx.LEFT|wx.TOP|wx.BOTTOM|wx.RIGHT,border=10)
         boxsizer.Add(subVbox)
         sizer.Add(boxsizer, pos=(1,0), span=(6,5),flag=wx.TOP|wx.LEFT,border=25)
         #pos(1,0)表示位置在第2行，第1列，span=(1,5)表示该boxsizer占据6个行5个列的空间
 
         self.cbExclHidden.Disable()
 
         '''加载文件大小过滤器的控件'''
         sb = wx.StaticBox(panel, label="File Size Filter",size=(500,200))
         boxsizer = wx.StaticBoxSizer(sb, wx.HORIZONTAL)
         self.txtFileSize1=wx.TextCtrl(panel,size=(100,25))
         lblFileSize1 = wx.StaticText(panel,label="MB")
         lblTo = wx.StaticText(panel,label="--")
         self.txtFileSize2=wx.TextCtrl(panel,size=(100,25))
         lblFileSize2 = wx.StaticText(panel,label="MB")
         boxsizer.Add(self.txtFileSize1,flag=wx.LEFT|wx.BOTTOM|wx.TOP,border=10)
         boxsizer.Add(lblFileSize1,flag=wx.LEFT|wx.BOTTOM|wx.TOP,border=10)
         boxsizer.Add((20,10))
         boxsizer.Add(lblTo,flag=wx.LEFT|wx.BOTTOM|wx.TOP,border=10)
         boxsizer.Add((20,10))
         boxsizer.Add(self.txtFileSize2,flag=wx.LEFT|wx.BOTTOM|wx.TOP,border=10)
         boxsizer.Add(lblFileSize2,flag=wx.LEFT|wx.BOTTOM|wx.TOP|wx.EXPAND,border=10)
         sizer.Add(boxsizer, pos=(7,0),span=(1, 5),flag=wx.EXPAND|wx.TOP|wx.LEFT|wx.RIGHT , border=25)#pos=(7,0)
         #pos等于(7,0)表示位置在第8行，第1列，之所以是第8行，因为前面两个控件已经占据了1+6=7行，所以至少从第8行开始，否则布局错乱
 
         '''加载按钮'''
         self.btnOK = wx.Button(panel, label="OK")
         self.btnCancel = wx.Button(panel, label="Cancel")
         sizer.Add(self.btnOK, pos=(9,3))
         sizer.Add(self.btnCancel, pos=(9,4),flag=wx.BOTTOM|wx.RIGHT, border=5)    
 
         panel.SetSizer(sizer)
         panel.Layout()
 
     def InitWithConfigData(self):
         self.cbExclHidden.SetValue(str(self.config.get('IsExcludeHiddenFiles'))=='True')
 
         self.rdDefault.SetValue(self.config.get('FileTypeOption')=='Default')
         if self.rdDefault.GetValue():
             self.DisableFileTypeFilterControls()
 
         self.rdExclFtyp.SetValue(self.config.get('FileTypeOption')=='Exclude')
         self.rdInclFtyp.SetValue(self.config.get('FileTypeOption')=='Include')
 
         self.cbImage.SetValue(str(self.config.get('IsImagesSelected'))=='True')
         self.cbAudio.SetValue(str(self.config.get('IsAudiosSelected'))=='True')
         self.cbVideo.SetValue(str(self.config.get('IsVideosSelected'))=='True')
         self.cbDoc.SetValue(str(self.config.get('IsDocumentsSelected'))=='True')
         self.txtOtherFiles.SetValue('' if self.config.get('OtherFilesSelected')=='None' else self.config.get('OtherFilesSelected'))
 
         self.txtFileSize1.SetValue(self.config.get('FileSizeStart'))
         inputFileSizeEnd=self.config.get('FileSizeEnd')
         if inputFileSizeEnd=='None':
             self.txtFileSize2.SetValue('')
         else:
             self.txtFileSize2.SetValue(inputFileSizeEnd)     
 
     def BindControlEvent(self):
         for eachRadio in [self.rdDefault, self.rdExclFtyp, self.rdInclFtyp]:#绑定事件
             self.Bind(wx.EVT_RADIOBUTTON, self.OnRadio, eachRadio)
         self.Bind(wx.EVT_BUTTON, self.OnOK,self.btnOK)
         self.Bind(wx.EVT_BUTTON, self.OnCancel,self.btnCancel)
 
     def ValidateInput(self):
 
         if not self.rdDefault.GetValue():
             pattern=re.compile('[^\d\w\.\;]+')#数字、英文字母、点号之外的字符定义为非法字符
             if re.search(pattern,self.txtOtherFiles.GetValue()):
                 wx.MessageBox('Please enter valid file extensions and correct splitor(;).','Tip Message',wx.YES_DEFAULT|wx.ICON_INFORMATION)
                 return False
         if (self.rdInclFtyp.GetValue() or self.rdExclFtyp.GetValue()) and self.getSelectedFileTypes()=='':
             wx.MessageBox('Please enter or select at least one file type.','Tip Message',wx.YES_DEFAULT|wx.ICON_INFORMATION)
             return False
         if self.txtFileSize1.GetValue()!='' and not self.Utils.isNumReg(self.txtFileSize1.GetValue()):
             wx.MessageBox('Please do not enter or enter valid number in the first file size.','Tip Message',wx.YES_DEFAULT|wx.ICON_INFORMATION)
             return False
         elif self.txtFileSize2.GetValue()!='' and not self.Utils.isNumReg(self.txtFileSize2.GetValue()):
             wx.MessageBox('Please do not enter or enter valid number in the second file size.','Tip Message',wx.YES_DEFAULT|wx.ICON_INFORMATION)
             return False
         elif self.Utils.isNumReg(self.txtFileSize1.GetValue()) and self.Utils.isNumReg(self.txtFileSize2.GetValue()) and eval(self.txtFileSize1.GetValue())>eval(self.txtFileSize2.GetValue()):
             wx.MessageBox('The first file size should not be greater than the second file size.','Tip Message',wx.YES_DEFAULT|wx.ICON_INFORMATION)
             return False
         elif self.Utils.isNumReg(self.txtFileSize2.GetValue()) and eval(self.txtFileSize2.GetValue())>(self.config.get('MaxFileSize')):
             wx.MessageBox('The second file size should not be greater than '+self.config.get('MaxFileSize'),'Tip Message',wx.YES_DEFAULT|wx.ICON_INFORMATION)
             return False
         return True
 
     def getSelectedFileTypes(self):
         selectedFileTypes=''
         if not self.rdDefault.GetValue():
             fileType=''
             for chk in [self.cbImage,self.cbAudio,self.cbVideo,self.cbDoc]:
                 if chk.IsChecked():
                     label=chk.GetLabel()
                     fileType=fileType+label[label.find('(')+1:label.find(')')]+';'
             selectedFileTypes=fileType
 
         selectedFileTypes+=self.Utils.FormatOtherFileTypes(self.txtOtherFiles.GetValue())
         selectedFileTypes= selectedFileTypes.replace('/',';').lower()
         return  selectedFileTypes       
 
     def OnOK(self,event):
         if self.ValidateInput():
             IsExclHiddenFiles=self.cbExclHidden.GetValue()
             if self.rdDefault.GetValue():
                 FileTypeOption='Default'
             elif self.rdExclFtyp.GetValue():
                 FileTypeOption='Exclude'
             elif self.rdInclFtyp.GetValue():
                 FileTypeOption='Include'
 
             selectedFileTypes=self.getSelectedFileTypes()
             if selectedFileTypes=='':
                 self.config.set('SelectedFileTypes','None')
             else:
                 self.config.set('SelectedFileTypes',selectedFileTypes)
 
             '''save filters into the config file'''
             self.config.set('IsExcludeHiddenFiles',IsExclHiddenFiles)
             self.config.set('FileTypeOption',FileTypeOption)
             self.config.set('IsImagesSelected',self.cbImage.IsChecked())
             self.config.set('IsAudiosSelected',self.cbAudio.IsChecked())
             self.config.set('IsVideosSelected',self.cbVideo.IsChecked())
             self.config.set('IsDocumentsSelected',self.cbDoc.IsChecked())
 
             otherFileTyps=self.txtOtherFiles.GetValue()
             if otherFileTyps=='':
                 self.config.set('OtherFilesSelected','None')
             else:
                 self.config.set('OtherFilesSelected',self.Utils.FormatOtherFileTypes(self.txtOtherFiles.GetValue()))
 
             fileSizeStart=self.txtFileSize1.GetValue()
             fileSizeEnd=self.txtFileSize2.GetValue()
             if fileSizeStart!='':
                 self.config.set('FileSizeStart',fileSizeStart)
 
             if fileSizeEnd=='':
                 self.config.set('FileSizeEnd','None')
             else:
                 self.config.set('FileSizeEnd',fileSizeEnd)
 
             if FileTypeOption=='Default':
                 self.config.set('IsFileTypeFilterWorking','False')
             else:
                 self.config.set('IsFileTypeFilterWorking','True')
 
             if fileSizeStart=='' or fileSizeEnd!=self.config.get('MaxFileSize'):
                 self.config.set('IsFileSizeFilterWorking','True')
             else:
                 self.config.set('IsFileSizeFilterWorking','False')
             self.config.saveConfig()
             self.Close()
 
     def OnCancel(self,event):
         self.Close()
 
     def OnRadio(self,event):
         selectedRadio=event.GetEventObject()
         if selectedRadio==self.rdDefault:
             self.DisableFileTypeFilterControls()
         else:
             self.EnableFileTypeFilterControls()
 
     def DisableFileTypeFilterControls(self):
         for control in [self.cbImage,self.cbAudio,self.cbVideo,self.cbDoc,self.txtOtherFiles,self.lblOtherFiles]:
             control.Disable()
         for control in [self.cbImage,self.cbAudio,self.cbVideo,self.cbDoc]:
             control.SetValue(False)
         self.txtOtherFiles.SetValue('')
 
     def EnableFileTypeFilterControls(self):
         for control in [self.cbImage,self.cbAudio,self.cbVideo,self.cbDoc,self.txtOtherFiles,self.lblOtherFiles]:
             control.Enable()
 
 class DialogAboutApp(wx.Dialog):
     text = '''
             <html>
             <head>
                 <style type="text/css">
                     body {font-family:serif;background-color: #ACAA60;}
                 </style>
             </head>
             <body> <!--bgcolor="#ACAA60"-->
             <center>
             <table bgcolor="#455481" width="100%" cellspacing="0" cellpadding="0" border="1">
             <tr>
             <td align="center"><h1><span style="color:white">UNIQ File-wxPython</span></h1></td>
             </tr>
             </table>
             </center>
             <p><b>UNIQ File-wxPython</b> is a program designed for clearing duplicated files and saving
             memory space.
             It's broght to you by Aaron Hu(<b><span style="color:red">@DoNotSpyOnMe</span></b> on Sina Weibo).<br/>
 
             <!--<a href="http://weibo.com/u/1737184870" target="_blank">Contact</a> the author now.-->
             </p>
             </body>
             </html>
             '''
     def __init__(self, parent):
         wx.Dialog.__init__(self, parent, -1,'About this app',
         size=(440, 400) )
         window = HtmlWindow(self)
         window.SetPage(self.text)
         button = wx.Button(self, wx.ID_OK, 'OK')
         sizer = wx.BoxSizer(wx.VERTICAL)
         sizer.Add(window, 1, wx.EXPAND|wx.ALL, 5)
         sizer.Add(button, 0, wx.ALIGN_CENTER|wx.ALL, 5)
         self.SetSizer(sizer)
         self.Layout()
 
 class DialogAboutAuthor(wx.Dialog):
     text = '''
             <html>
             <head>
                 <style type="text/css">
                     body {font-family:serif;background-color: #ACAA60;}
                 </style>
             </head>
             <body> <!--bgcolor="#ACAA60"-->
             <center>
             <table bgcolor="#455481" width="100%" cellspacing="0" cellpadding="0" border="1">
             <tr>
             <td align="center"><h1><span style="color:white">UNIQ File-wxPython</span></h1></td>
             </tr>
             </table>
             </center>
             <p>
             Contact the author at:<br/><br/>
             Sina Weibo:<b><span style="color:red">@DoNotSpyOnMe</span></b><br/>
             cnblogs.com:<b>http://www.cnblogs.cn/aaronhoo</b><br/>
             </p>
             </body>
             </html>
             '''
     def __init__(self, parent):
         wx.Dialog.__init__(self, parent, -1,'About the author',
         size=(440, 400) )
         window = HtmlWindow(self)
         window.SetPage(self.text)
         button = wx.Button(self, wx.ID_OK, 'OK')
         sizer = wx.BoxSizer(wx.VERTICAL)
         sizer.Add(window, 1, wx.EXPAND|wx.ALL, 5)
         sizer.Add(button, 0, wx.ALIGN_CENTER|wx.ALL, 5)
         self.SetSizer(sizer)
         self.Layout()

MyConfig.py:

 # -*- coding: gbk -*-
 '''
 Created on 2016年4月20日
 
 Author: @DoNotSpyOnMe
 '''
 import re,os
 
 class MyConfig:
     def __init__(self,filepath):
         self.configFile=''
         self.lines=[]
         self.read(filepath)
 
     def read(self,filepath):
         try:
             if not os.path.isfile(filepath):
                 print 'Error:file %s dose not exist.'%filepath
                 return
             pattern=re.compile('^.+\.txt$')
             if not re.search(pattern, filepath):
                 print 'Error:only .txt file is supported as config file.'
                 return
             f=open(filepath,'r')
             self.lines=f.readlines()
             f.close()
             self.configFile=filepath
         except Exception,e:
             print e
 
     def get(self,variable):
         try:
             if self.validate():
                 pattern=re.compile('^'+variable+' = ')
                 for line in self.lines:
                         if re.search(pattern,line):
                             val= line[line.find(' = ')+3:].strip()
                             return val
                 print "Error:variable '%s' is not found in config file."%variable
         except Exception,e:
             print e
 
     def set(self,variable,newValue):
         try:
             if self.validate():
                 count=0
                 pattern=re.compile('^'+variable+' = ')
                 for line in self.lines:
                     if re.search(pattern,line):
                         newline=line.replace(line[line.find(' = ')+3:line.rfind('\n')],str(newValue))
                         self.lines[count]=newline
                         return
                     count=count+1
                 #if the variable is no found,create it.
                 newline=variable+' = '+str(newValue)
                 self.lines.append(newline+'\n')
         except Exception,e:
             print e
 
     def setAndSave(self,variable,newValue):
         try:
             if self.validate():
                 count=0
                 found=False
                 pattern=re.compile('^'+variable+' = ')
                 for line in self.lines:
                     if re.search(pattern,line):
                         newline=line.replace(line[line.find(' = ')+3:line.rfind('\n')],str(newValue))
                         self.lines[count]=newline
                         found=True
                         break
                     count=count+1
                 if not found:
                     newline=variable+' = '+str(newValue)
                     self.lines.append(newline+'\n')
                 #save changes.
                 f=open(self.configFile,'w')
                 f.writelines(self.lines)
                 f.close()
         except Exception,e:
             print e
 
     def saveConfig(self):
         try:
             if self.validate():
                 f=open(self.configFile,'w')
                 f.writelines(self.lines)
                 f.close()
         except Exception,e:
             print e
 
     def validate(self):
         if not self.configFile:
             print 'Error:config file not found.'
             return False
         return True

Utils.py:

 # -*- coding: gbk -*-
 import hashlib
 import os
 import platform
 import re
 
 class Utils:
     def __init__(self):
         self.getDirSplitor()
 
     def isNumReg(self,str):
         regInt='^0$|^[1-9]\d*$'#不接受09这样的为整数
         regFloat='^0\.\d+$|^[1-9]\d*\.\d+$'
         regIntOrFloat=regInt+'|'+regFloat#整数或小数
         patternIntOrFloat=re.compile(regIntOrFloat)#创建pattern对象，以便后续可以复用
         if re.search(regIntOrFloat,str):
             return True
         else:
             return False
 
     '''使得用户在其他文件类型框中可以输入'.xml;.html'或者'xml;html;'或者'xml;.html'这三种格式'''
     def FormatOtherFileTypes(self,fileTypeInput):
         ls=fileTypeInput.split(';')
         lsnew=[]
         for e in ls:
             if e!='':
                 if e.find('.')==-1:
                     lsnew.append('.'+e)
                 else:
                     lsnew.append(e)
         s=''
         for e in lsnew:
             s=s+e+';'
         return s
 
     def divideList(self,ls,each):
         dividedLs=[]
         eachExact=float(each)
         groupCount=len(ls)/each
         groupCountExact=len(ls)/eachExact
         start=0
         for i in xrange(groupCount):
             dividedLs.append(ls[start:start+each])
             start=start+each
         if groupCount<groupCountExact:#假如有余数，将剩余的所有元素加入到最后一个分组
             dividedLs.append(ls[groupCount*each:])
         return dividedLs
 
     def getFileSize(self,filePath):
         return os.path.getsize(filePath)        
 
     ''' 一般文件的md5计算方法,一次读取文件的全部内容'''
     def CalcMD5(filepath):
         with open(filepath,'rb') as f:
             md5obj = hashlib.md5()
             md5obj.update(f.read())
             hash = md5obj.hexdigest()
             return hash
     '''大文件计算md5的方法，分批读取文件内容，防止内存爆掉'''
     def getFileMD5(self,filename):
         if not os.path.isfile(filename):
             return
         myhash = hashlib.md5()
         f = open(filename,'rb')
         while True:
             b = f.read(8*1024)
             if not b :
                 break
             myhash.update(b)
         f.close()
         return myhash.hexdigest()
 
     def getAllFiles(self,directory):
         files=[]
 #         dirSplitor=getDirSplitor()
         for dirpath, dirnames,filenames in os.walk(directory):
             if filenames!=[]:
                 for file in filenames:
                     files.append(dirpath+self.dirSplitor+file)
         files.sort(key=len)#按照文件名的长度排序
         return files
 
     def isInList(self,myList,someValue):
         try:
             myList.index(someValue)
             return True
         except:
             return False
 
     def getFileType(self,file):
 #         dirSplitor=getDirSplitor()
         fileName=file[file.rfind(self.dirSplitor)+1:]
         fileType=file[file.rfind('.'):]
         return fileType.lower()
 
     def getDirSplitor(self):
         osType=platform.system()
         if osType=='Windows':
             self.dirSplitor= '\\'
         elif osType=='Linux':
             self.dirSplitor= '/'
         else:
             self.dirSplitor= '/'