tkinter 编写文件字符串替换

__author__ = 'muxiaoqing'
import os
import io
class ListRCFile():
    """find all the file name is FliteStr
    you can use LoadFileList func to get the files who use FliteStr as postfix
    """
    def __init__(self, DirectorPath, FliteStr):
        self.DirectorPath = DirectorPath;
        self.FliteStr = FliteStr
        self.filelist = []
    def LoadFileList(self):
        for subdir, dirs, files in os.walk(self.DirectorPath):
            for file in files:
                if file[-len(self.FliteStr):] == self.FliteStr:
                    self.filelist.append(subdir + '\\' +file)
    def LoadFliteFile(self, sflite, filsrc=[]):
        for file in self.filelist:
            with io.open(file, 'r+') as f:
                print file
                try:
                    data = f.read()
                    if(0 <= data.find(sflite)):
                        filsrc.append(file)
                except:
                    print 'read file '+ file + ' err!'
                f.close()
    def Replace(self, file, sSrc, sDesc):
       with io.open(file, 'r+') as f:
            try:
                data = f.read()
                data = data.replace(sSrc, sDesc)
                f.close()
                #write the data to file
                with io.open(file, 'w') as f:
                    f.write(data)
                    f.close()
            except:
                print 'read file '+ file + ' err!'
                f.close()
""" for test
f = ListRCFile(r'./', '.xml')
files = []
f.LoadFile(files)
for file in files:
    print file
"""