+ try:
+ ctx.stream.write(data_block)
+ except (IOError, OSError) as err:
+ self.to_stderr('\n')
+ self.report_error('unable to write data: %s' % str(err))
+ return False
+
+ # Apply rate limit
+ self.slow_down(start, now, byte_counter - ctx.resume_len)
+
+ # end measuring of one loop run
+ now = time.time()
+ after = now
+
+ # Adjust block size
+ if not self.params.get('noresizebuffer', False):
+ block_size = self.best_block_size(after - before, len(data_block))
+
+ before = after
+
+ # Progress message
+ speed = self.calc_speed(start, now, byte_counter - ctx.resume_len)
+ if ctx.data_len is None:
+ eta = None
+ else:
+ eta = self.calc_eta(start, time.time(), ctx.data_len - ctx.resume_len, byte_counter - ctx.resume_len)
+
+ self._hook_progress({
+ 'status': 'downloading',
+ 'downloaded_bytes': byte_counter,
+ 'total_bytes': ctx.data_len,
+ 'tmpfilename': ctx.tmpfilename,
+ 'filename': ctx.filename,
+ 'eta': eta,
+ 'speed': speed,
+ 'elapsed': now - ctx.start_time,
+ })
+
+ if data_len is not None and byte_counter == data_len:
+ break
+
+ if not is_test and ctx.chunk_size and ctx.data_len is not None and byte_counter < ctx.data_len:
+ ctx.resume_len = byte_counter
+ # ctx.block_size = block_size
+ raise NextFragment()
+
+ if ctx.stream is None: