Python实现的tab文件操作类分享

类代码：

# -*- coding:gbk -*-import osclass TABFILE:  def __init__(self, filename, dest_file = None):    self.filename = filename    if not dest_file:      self.dest_file = filename    else:      self.dest_file = dest_file    self.filehandle = None    self.content = []    self.initflag = False    self.column = 0    self.row = 0    self.data = []  def Init(self):    try:       self.filehandle = open(self.filename, 'r')      self.initflag = self._load_file()    except:       pass    else:      self.initflag = True    return self.initflag  def UnInit(self):    if self.initflag:      self.filehandle.close()      def _load_file(self):    if self.filehandle:      self.content = self.filehandle.readlines()      self.row = len(self.content) - 1      head = self.content[0].split('\t')      self.column = len(head)      for line in self.content:        #这里需要去掉末尾的换行        #line = line - '\n\r'        self.data.append(line.rstrip().split('\t'))      return True    else:      return False  def GetValue(self, row, column):    if 0 < row < self.row and 0 < column < self.column:      return self.data[row][column - 1]    else:      return None  def SetValue(self, row, column, value):    if 0 < row < self.row and 0 < column < self.column:      self.data[row][column] = value    else:      return False  def SaveToFile(self):    filewrite = open(self.dest_file, 'w')    if not filewrite:      return False    sep_char = '\t'    for line in self.data:      filewrite.write(sep_char.join(line)+'\n')    filewrite.close()    return True