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@ -77,26 +77,43 @@ class FileDownloader(object): |
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@staticmethod |
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def calc_percent(byte_counter, data_len): |
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if data_len is None: |
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return None |
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return float(byte_counter) / float(data_len) * 100.0 |
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@staticmethod |
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def format_percent(percent): |
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if percent is None: |
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return '---.-%' |
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return '%6s' % ('%3.1f%%' % (float(byte_counter) / float(data_len) * 100.0)) |
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return '%6s' % ('%3.1f%%' % percent) |
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@staticmethod |
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def calc_eta(start, now, total, current): |
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if total is None: |
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return '--:--' |
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return None |
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dif = now - start |
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if current == 0 or dif < 0.001: # One millisecond |
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return '--:--' |
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return None |
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rate = float(current) / dif |
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eta = int((float(total) - float(current)) / rate) |
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return int((float(total) - float(current)) / rate) |
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@staticmethod |
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def format_eta(eta): |
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if eta is None: |
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return '--:--' |
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return FileDownloader.format_seconds(eta) |
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@staticmethod |
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def calc_speed(start, now, bytes): |
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dif = now - start |
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if bytes == 0 or dif < 0.001: # One millisecond |
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return None |
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return float(bytes) / dif |
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@staticmethod |
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def format_speed(speed): |
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if speed is None: |
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return '%10s' % '---b/s' |
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return '%10s' % ('%s/s' % FileDownloader.format_bytes(float(bytes) / dif)) |
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return '%10s' % ('%s/s' % FileDownloader.format_bytes(speed)) |
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@staticmethod |
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def best_block_size(elapsed_time, bytes): |
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@ -205,11 +222,14 @@ class FileDownloader(object): |
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"""Report destination filename.""" |
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self.to_screen(u'[download] Destination: ' + filename) |
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def report_progress(self, percent_str, data_len_str, speed_str, eta_str): |
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def report_progress(self, percent, data_len_str, speed, eta): |
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"""Report download progress.""" |
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if self.params.get('noprogress', False): |
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return |
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clear_line = (u'\x1b[K' if sys.stderr.isatty() and os.name != 'nt' else u'') |
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eta_str = self.format_eta(eta) |
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percent_str = self.format_percent(percent) |
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speed_str = self.format_speed(speed) |
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if self.params.get('progress_with_newline', False): |
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self.to_screen(u'[download] %s of %s at %s ETA %s' % |
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(percent_str, data_len_str, speed_str, eta_str)) |
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@ -378,6 +398,7 @@ class FileDownloader(object): |
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self._hook_progress({ |
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'filename': filename, |
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'status': 'finished', |
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'total_bytes': os.path.getsize(encodeFilename(filename)), |
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}) |
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return True |
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@ -524,13 +545,14 @@ class FileDownloader(object): |
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block_size = self.best_block_size(after - before, len(data_block)) |
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# Progress message |
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speed_str = self.calc_speed(start, time.time(), byte_counter - resume_len) |
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speed = self.calc_speed(start, time.time(), byte_counter - resume_len) |
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if data_len is None: |
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self.report_progress('Unknown %', data_len_str, speed_str, 'Unknown ETA') |
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eta = None |
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else: |
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percent_str = self.calc_percent(byte_counter, data_len) |
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eta_str = self.calc_eta(start, time.time(), data_len - resume_len, byte_counter - resume_len) |
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self.report_progress(percent_str, data_len_str, speed_str, eta_str) |
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percent = self.calc_percent(byte_counter, data_len) |
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eta = self.calc_eta(start, time.time(), data_len - resume_len, byte_counter - resume_len) |
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self.report_progress(percent, data_len_str, speed, eta) |
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self._hook_progress({ |
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'downloaded_bytes': byte_counter, |
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@ -538,6 +560,8 @@ class FileDownloader(object): |
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'tmpfilename': tmpfilename, |
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'filename': filename, |
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'status': 'downloading', |
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'eta': eta, |
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'speed': speed, |
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}) |
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# Apply rate limit |
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@ -580,6 +604,8 @@ class FileDownloader(object): |
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* downloaded_bytes: Bytes on disks |
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* total_bytes: Total bytes, None if unknown |
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* tmpfilename: The filename we're currently writing to |
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* eta: The estimated time in seconds, None if unknown |
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* speed: The download speed in bytes/second, None if unknown |
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Hooks are guaranteed to be called at least once (with status "finished") |
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if the download is successful. |
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