X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=youtube_dl%2FFileDownloader.py;h=664b78662af3676571b35fc5c8c84c82b52be4a9;hb=4894fe8c5baec8b1f21ac6fdebe08175abc7f094;hp=ea6b9d626efa7a18eafe20afa8c473d1afee315b;hpb=b513a251f8ba1123617ece96bff30e3f2863c6c2;p=youtube-dl diff --git a/youtube_dl/FileDownloader.py b/youtube_dl/FileDownloader.py index ea6b9d626..664b78662 100644 --- a/youtube_dl/FileDownloader.py +++ b/youtube_dl/FileDownloader.py @@ -63,32 +63,57 @@ class FileDownloader(object): converted = float(bytes) / float(1024 ** exponent) return '%.2f%s' % (converted, suffix) + @staticmethod + def format_seconds(seconds): + (mins, secs) = divmod(seconds, 60) + (hours, mins) = divmod(mins, 60) + if hours > 99: + return '--:--:--' + if hours == 0: + return '%02d:%02d' % (mins, secs) + else: + return '%02d:%02d:%02d' % (hours, mins, secs) + @staticmethod def calc_percent(byte_counter, data_len): if data_len is None: + return None + return float(byte_counter) / float(data_len) * 100.0 + + @staticmethod + def format_percent(percent): + if percent is None: return '---.-%' - return '%6s' % ('%3.1f%%' % (float(byte_counter) / float(data_len) * 100.0)) + return '%6s' % ('%3.1f%%' % percent) @staticmethod def calc_eta(start, now, total, current): if total is None: - return '--:--' + return None dif = now - start if current == 0 or dif < 0.001: # One millisecond - return '--:--' + return None rate = float(current) / dif - eta = int((float(total) - float(current)) / rate) - (eta_mins, eta_secs) = divmod(eta, 60) - if eta_mins > 99: + return int((float(total) - float(current)) / rate) + + @staticmethod + def format_eta(eta): + if eta is None: return '--:--' - return '%02d:%02d' % (eta_mins, eta_secs) + return FileDownloader.format_seconds(eta) @staticmethod def calc_speed(start, now, bytes): dif = now - start if bytes == 0 or dif < 0.001: # One millisecond + return None + return float(bytes) / dif + + @staticmethod + def format_speed(speed): + if speed is None: return '%10s' % '---b/s' - return '%10s' % ('%s/s' % FileDownloader.format_bytes(float(bytes) / dif)) + return '%10s' % ('%s/s' % FileDownloader.format_bytes(speed)) @staticmethod def best_block_size(elapsed_time, bytes): @@ -197,11 +222,14 @@ class FileDownloader(object): """Report destination filename.""" self.to_screen(u'[download] Destination: ' + filename) - def report_progress(self, percent_str, data_len_str, speed_str, eta_str): + def report_progress(self, percent, data_len_str, speed, eta): """Report download progress.""" if self.params.get('noprogress', False): return clear_line = (u'\x1b[K' if sys.stderr.isatty() and os.name != 'nt' else u'') + eta_str = self.format_eta(eta) + percent_str = self.format_percent(percent) + speed_str = self.format_speed(speed) if self.params.get('progress_with_newline', False): self.to_screen(u'[download] %s of %s at %s ETA %s' % (percent_str, data_len_str, speed_str, eta_str)) @@ -230,16 +258,74 @@ class FileDownloader(object): """Report it was impossible to resume download.""" self.to_screen(u'[download] Unable to resume') - def report_finish(self): + def report_finish(self, data_len_str, tot_time): """Report download finished.""" if self.params.get('noprogress', False): self.to_screen(u'[download] Download completed') else: - self.to_screen(u'') + clear_line = (u'\x1b[K' if sys.stderr.isatty() and os.name != 'nt' else u'') + self.to_screen(u'\r%s[download] 100%% of %s in %s' % + (clear_line, data_len_str, self.format_seconds(tot_time))) def _download_with_rtmpdump(self, filename, url, player_url, page_url, play_path, tc_url): + def run_rtmpdump(args): + start = time.time() + resume_percent = None + resume_downloaded_data_len = None + proc = subprocess.Popen(args, stderr=subprocess.PIPE) + cursor_in_new_line = True + proc_stderr_closed = False + while not proc_stderr_closed: + # read line from stderr + line = u'' + while True: + char = proc.stderr.read(1) + if not char: + proc_stderr_closed = True + break + if char in [b'\r', b'\n']: + break + line += char.decode('ascii', 'replace') + if not line: + # proc_stderr_closed is True + continue + mobj = re.search(r'([0-9]+\.[0-9]{3}) kB / [0-9]+\.[0-9]{2} sec \(([0-9]{1,2}\.[0-9])%\)', line) + if mobj: + downloaded_data_len = int(float(mobj.group(1))*1024) + percent = float(mobj.group(2)) + if not resume_percent: + resume_percent = percent + resume_downloaded_data_len = downloaded_data_len + eta = self.calc_eta(start, time.time(), 100-resume_percent, percent-resume_percent) + speed = self.calc_speed(start, time.time(), downloaded_data_len-resume_downloaded_data_len) + data_len = None + if percent > 0: + data_len = int(downloaded_data_len * 100 / percent) + data_len_str = u'~'+self.format_bytes(data_len) + self.report_progress(percent, data_len_str, speed, eta) + cursor_in_new_line = False + self._hook_progress({ + 'downloaded_bytes': downloaded_data_len, + 'total_bytes': data_len, + 'tmpfilename': tmpfilename, + 'filename': filename, + 'status': 'downloading', + 'eta': eta, + 'speed': speed, + }) + elif self.params.get('verbose', False): + if not cursor_in_new_line: + self.to_screen(u'') + cursor_in_new_line = True + self.to_screen(u'[rtmpdump] '+line) + proc.wait() + if not cursor_in_new_line: + self.to_screen(u'') + return proc.returncode + self.report_destination(filename) tmpfilename = self.temp_name(filename) + test = self.params.get('test', False) # Check for rtmpdump first try: @@ -247,12 +333,11 @@ class FileDownloader(object): except (OSError, IOError): self.report_error(u'RTMP download detected but "rtmpdump" could not be run') return False - verbosity_option = '--verbose' if self.params.get('verbose', False) else '--quiet' # Download using rtmpdump. rtmpdump returns exit code 2 when # the connection was interrumpted and resuming appears to be # possible. This is part of rtmpdump's normal usage, AFAIK. - basic_args = ['rtmpdump', verbosity_option, '-r', url, '-o', tmpfilename] + basic_args = ['rtmpdump', '--verbose', '-r', url, '-o', tmpfilename] if player_url is not None: basic_args += ['--swfVfy', player_url] if page_url is not None: @@ -261,6 +346,8 @@ class FileDownloader(object): basic_args += ['--playpath', play_path] if tc_url is not None: basic_args += ['--tcUrl', url] + if test: + basic_args += ['--stop', '1'] args = basic_args + [[], ['--resume', '--skip', '1']][self.params.get('continuedl', False)] if self.params.get('verbose', False): try: @@ -269,23 +356,25 @@ class FileDownloader(object): except ImportError: shell_quote = repr self.to_screen(u'[debug] rtmpdump command line: ' + shell_quote(args)) - retval = subprocess.call(args) - while retval == 2 or retval == 1: + + retval = run_rtmpdump(args) + + while (retval == 2 or retval == 1) and not test: prevsize = os.path.getsize(encodeFilename(tmpfilename)) - self.to_screen(u'\r[rtmpdump] %s bytes' % prevsize, skip_eol=True) + self.to_screen(u'[rtmpdump] %s bytes' % prevsize) time.sleep(5.0) # This seems to be needed - retval = subprocess.call(basic_args + ['-e'] + [[], ['-k', '1']][retval == 1]) + retval = run_rtmpdump(basic_args + ['-e'] + [[], ['-k', '1']][retval == 1]) cursize = os.path.getsize(encodeFilename(tmpfilename)) if prevsize == cursize and retval == 1: break # Some rtmp streams seem abort after ~ 99.8%. Don't complain for those if prevsize == cursize and retval == 2 and cursize > 1024: - self.to_screen(u'\r[rtmpdump] Could not download the whole video. This can happen for some advertisements.') + self.to_screen(u'[rtmpdump] Could not download the whole video. This can happen for some advertisements.') retval = 0 break - if retval == 0: + if retval == 0 or (test and retval == 2): fsize = os.path.getsize(encodeFilename(tmpfilename)) - self.to_screen(u'\r[rtmpdump] %s bytes' % fsize) + self.to_screen(u'[rtmpdump] %s bytes' % fsize) self.try_rename(tmpfilename, filename) self._hook_progress({ 'downloaded_bytes': fsize, @@ -368,6 +457,7 @@ class FileDownloader(object): self._hook_progress({ 'filename': filename, 'status': 'finished', + 'total_bytes': os.path.getsize(encodeFilename(filename)), }) return True @@ -514,13 +604,14 @@ class FileDownloader(object): block_size = self.best_block_size(after - before, len(data_block)) # Progress message - speed_str = self.calc_speed(start, time.time(), byte_counter - resume_len) + speed = self.calc_speed(start, time.time(), byte_counter - resume_len) if data_len is None: self.report_progress('Unknown %', data_len_str, speed_str, 'Unknown ETA') + eta = None else: - percent_str = self.calc_percent(byte_counter, data_len) - eta_str = self.calc_eta(start, time.time(), data_len - resume_len, byte_counter - resume_len) - self.report_progress(percent_str, data_len_str, speed_str, eta_str) + percent = self.calc_percent(byte_counter, data_len) + eta = self.calc_eta(start, time.time(), data_len - resume_len, byte_counter - resume_len) + self.report_progress(percent, data_len_str, speed, eta) self._hook_progress({ 'downloaded_bytes': byte_counter, @@ -528,6 +619,8 @@ class FileDownloader(object): 'tmpfilename': tmpfilename, 'filename': filename, 'status': 'downloading', + 'eta': eta, + 'speed': speed, }) # Apply rate limit @@ -538,7 +631,7 @@ class FileDownloader(object): self.report_error(u'Did not get any data blocks') return False stream.close() - self.report_finish() + self.report_finish(data_len_str, (time.time() - start)) if data_len is not None and byte_counter != data_len: raise ContentTooShortError(byte_counter, int(data_len)) self.try_rename(tmpfilename, filename) @@ -570,6 +663,8 @@ class FileDownloader(object): * downloaded_bytes: Bytes on disks * total_bytes: Total bytes, None if unknown * tmpfilename: The filename we're currently writing to + * eta: The estimated time in seconds, None if unknown + * speed: The download speed in bytes/second, None if unknown Hooks are guaranteed to be called at least once (with status "finished") if the download is successful.