code: def tagstring(self, *args):
          '''
          get/set the tag string itself.
  
          If called with non-zero length argument, will toggle the
          internal b_tag flag to True.
  
          The tagstring, if flagged TRUE and non-zero length, will
          prepend each output log line. In this manner, it's possible
          to post-filter log files for specific tags.
  
          tagstring():            returns the current tagstring
          tagstring(<string>):    sets the tagstring to <string>
  
          '''
          if len(args):
              self._str_tag = args[0]
              self._b_tag   = True
          else:
              return self._str_taf tagstring(self, *args):
          '''
          get/set the tag string itself.
  
          If called with non-zero length argument, will toggle the
          internal b_tag flag to True.
  
          The tagstring, if flagged TRUE and non-zero length, will
          prepend each output log line. In this manner, it's possible
          to post-filter log files for specific tags.
  
          tagstring():            returns the current tagstring
          tagstring(<string>):    sets the tagstring to <string>
  
          '''
          if len(args):
              self._str_tag = args[0]
              self._b_tag   = True
          else:
              return self._str_tag
docs: get/set the tag string itself.
  
          If called with non-zero length argument, will toggle the
          internal b_tag flag to True.
  
          The tagstring, if flagged TRUE and non-zero length, will
          prepend each output log line. In this manner, it's possible
          to post-filter log files for specific tags.
  
          tagstring():            returns the current tagstring
          tagstring(<string>):    sets the tagstring to <string>