code: def qteUpdateLogSlot(self):
          
  
          # Fetch all log records that have arrived since the last
          # fetch() call and update the record counter.
          log = self.logHandler.fetch(start=self.qteLogCnt)
          self.qteLogCnt += len(log)
  
          # Return immediately if no log message is available (this case
          # should be impossible).
          if not len(log):
              return
  
          # Remove all duplicate entries and count their repetitions.
          log_pruned = []
          last_entry = log[0]
          num_rep = -1
          for cur_entry in log:
              # If the previous log message is identical to the current
              # one increase its repetition counter. If the two log
              # messages differ, add the last message to the output log
              # and reset the repetition counter.
              if last_entry.msg == cur_entry.msg:
                  num_rep += 1
              else:
                  log_pruned.append([last_entry, num_rep])
                  num_rep = 0
                  last_entry = cur_entry
  
          # The very last entry must be added by hand.
          log_pruned.append([cur_entry, num_rep])
  
          # Format the log entries (eg. color coding etc.)
          log_formatted = ""
          for cur_entry in log_pruned:
              log_formatted += self.qteFormatMessage(cur_entry[0], cur_entry[1])
              log_formatted + '\n'
  
          # Insert the formatted text all at once as calls to insertHtml
          # are expensive.
          self.qteText.insertHtml(log_formatted)
          self.qteMoveToEndOfBuffer()
  
          # If the log contained an error (or something else of interest
          # to the user) then switch to the messages buffer (ie. switch
          # to this very applet).
          if self.qteAutoActivate:
              self.qteAutoActivate = False
              self.qteMain.qteMakeAppletActive(self)
docs: Fetch and display the next batch of log messages.