code: def log_status(self):
          '''show download status'''
          if self.download_filename is None:
              print("No download")
              return
          dt = time.time() - self.download_start
          speed = os.path.getsize(self.download_filename) / (1000.0 * dt)
          m = self.entries.get(self.download_lognum, None)
          if m is None:
              size = 0
          else:
              size = m.size
          highest = max(self.download_set)
          diff = set(range(highest)).difference(self.download_set)
          print("Downloading %s - %u/%u bytes %.1f kbyte/s (%u retries %u missing)" % (self.download_filename,
                                                                                       os.path.getsize(self.download_filename),
                                                                                       size,
                                                                                       speed,
                                                                                       self.retries,
                                                                                       len(diff))f log_status(self):
          '''show download status'''
          if self.download_filename is None:
              print("No download")
              return
          dt = time.time() - self.download_start
          speed = os.path.getsize(self.download_filename) / (1000.0 * dt)
          m = self.entries.get(self.download_lognum, None)
          if m is None:
              size = 0
          else:
              size = m.size
          highest = max(self.download_set)
          diff = set(range(highest)).difference(self.download_set)
          print("Downloading %s - %u/%u bytes %.1f kbyte/s (%u retries %u missing)" % (self.download_filename,
                                                                                       os.path.getsize(self.download_filename),
                                                                                       size,
                                                                                       speed,
                                                                                       self.retries,
                                                                                       len(diff)))
docs: show download status