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
'%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('
')!=-1:
            line=content[:content.index('
')+1]
            lines.append(line)
            content=content[content.index('
')+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
'%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
'%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+'
')        
    
    '''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
"%(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
"%(start,end))
        self.appendMsg('Start working...
')
            
    def listSameFile(self,mydir):
        msg=''
        msgUniq='
Congratulations,all files are unique.'
        try:
            existsFlag=False
            files=self.Utils.getAllFiles(mydir)
            self.appendMsg('%s files found in directory %s
'%(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])+'
'
                            groupCount+=1
                if not existsFlag:
                    msg=msgUniq
                else:
                    msg='
Duplicated files:
'+msg+'
Found %s groups of duplicated files totally.'%groupCount
        except Exception,e:
            print e
            msg='Exception occured.'
        finally:
            self.appendMsg(msg+'
'+'
Operation finished.')
    
        
    def removeSameFile(self,mydir):
        msg=''
        msgUniq='
Congratulations,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
'%(len(files),mydir))
            self.LoadFiltersInfo()
            dicFileOfSameSize=self.findSameSizeFiles(files)
            if not self.config.get('FileTypeOption')=='Default':
                self.appendMsg('Tips:file filters is working.
')
            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])+'
'
                            groupCount+=1
                            dicFiltered[k]=dicSameMD5file[k]
                if not existsFlag:
                    self.appendMsg(msgUniq)
                    return
                else:
                    #then remove the duplicated files:
                    self.appendMsg('
Duplicated files:
'+msg+'
Found %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('
%s files are removed.
'%removeCount)              
        except Exception,e:
            print e
            msg='
Exception occured.'
            self.appendMsg(msg)
        finally:
            self.appendMsg('

Operation 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('[^dw.;]+')#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=='0' 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('
')],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+'
')
        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('
')],str(newValue))
                        self.lines[count]=newline
                        found=True
                        break
                    count=count+1
                if not found:
                    newline=variable+' = '+str(newValue)
                    self.lines.append(newline+'
')
                #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= '/'