Python实现的tab文件操作类分享

类代码：

    # -*- coding:gbk -*-

    import os

    class 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