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https://gitlab.com/dstftw/youtube-dl.git
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[downloader/rtmp] Gracefully handle live streams interrupted by user
This commit is contained in:
Sergey M․
parent
68217024e8
commit
ddd8486a44
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@ -24,71 +24,78 @@ class RtmpFD(FileDownloader):
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def real_download(self, filename, info_dict):
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def run_rtmpdump(args):
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start = time.time()
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resume_percent = None
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resume_downloaded_data_len = None
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proc = subprocess.Popen(args, stderr=subprocess.PIPE)
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cursor_in_new_line = True
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proc_stderr_closed = False
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while not proc_stderr_closed:
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# read line from stderr
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line = ''
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while True:
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char = proc.stderr.read(1)
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if not char:
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proc_stderr_closed = True
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break
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if char in [b'\r', b'\n']:
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break
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line += char.decode('ascii', 'replace')
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if not line:
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# proc_stderr_closed is True
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continue
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mobj = re.search(r'([0-9]+\.[0-9]{3}) kB / [0-9]+\.[0-9]{2} sec \(([0-9]{1,2}\.[0-9])%\)', line)
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if mobj:
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downloaded_data_len = int(float(mobj.group(1)) * 1024)
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percent = float(mobj.group(2))
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if not resume_percent:
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resume_percent = percent
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resume_downloaded_data_len = downloaded_data_len
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time_now = time.time()
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eta = self.calc_eta(start, time_now, 100 - resume_percent, percent - resume_percent)
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speed = self.calc_speed(start, time_now, downloaded_data_len - resume_downloaded_data_len)
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data_len = None
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if percent > 0:
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data_len = int(downloaded_data_len * 100 / percent)
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self._hook_progress({
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'status': 'downloading',
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'downloaded_bytes': downloaded_data_len,
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'total_bytes_estimate': data_len,
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'tmpfilename': tmpfilename,
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'filename': filename,
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'eta': eta,
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'elapsed': time_now - start,
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'speed': speed,
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})
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cursor_in_new_line = False
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else:
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# no percent for live streams
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mobj = re.search(r'([0-9]+\.[0-9]{3}) kB / [0-9]+\.[0-9]{2} sec', line)
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def dl():
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resume_percent = None
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resume_downloaded_data_len = None
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proc_stderr_closed = False
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while not proc_stderr_closed:
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# read line from stderr
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line = ''
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while True:
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char = proc.stderr.read(1)
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if not char:
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proc_stderr_closed = True
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break
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if char in [b'\r', b'\n']:
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break
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line += char.decode('ascii', 'replace')
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if not line:
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# proc_stderr_closed is True
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continue
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mobj = re.search(r'([0-9]+\.[0-9]{3}) kB / [0-9]+\.[0-9]{2} sec \(([0-9]{1,2}\.[0-9])%\)', line)
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if mobj:
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downloaded_data_len = int(float(mobj.group(1)) * 1024)
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percent = float(mobj.group(2))
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if not resume_percent:
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resume_percent = percent
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resume_downloaded_data_len = downloaded_data_len
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time_now = time.time()
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speed = self.calc_speed(start, time_now, downloaded_data_len)
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eta = self.calc_eta(start, time_now, 100 - resume_percent, percent - resume_percent)
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speed = self.calc_speed(start, time_now, downloaded_data_len - resume_downloaded_data_len)
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data_len = None
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if percent > 0:
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data_len = int(downloaded_data_len * 100 / percent)
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self._hook_progress({
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'status': 'downloading',
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'downloaded_bytes': downloaded_data_len,
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'total_bytes_estimate': data_len,
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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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'elapsed': time_now - start,
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'speed': speed,
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})
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cursor_in_new_line = False
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elif self.params.get('verbose', False):
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if not cursor_in_new_line:
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self.to_screen('')
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cursor_in_new_line = True
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self.to_screen('[rtmpdump] ' + line)
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proc.wait()
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else:
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# no percent for live streams
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mobj = re.search(r'([0-9]+\.[0-9]{3}) kB / [0-9]+\.[0-9]{2} sec', line)
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if mobj:
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downloaded_data_len = int(float(mobj.group(1)) * 1024)
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time_now = time.time()
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speed = self.calc_speed(start, time_now, downloaded_data_len)
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self._hook_progress({
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'downloaded_bytes': downloaded_data_len,
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'tmpfilename': tmpfilename,
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'filename': filename,
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'status': 'downloading',
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'elapsed': time_now - start,
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'speed': speed,
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})
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cursor_in_new_line = False
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elif self.params.get('verbose', False):
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if not cursor_in_new_line:
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self.to_screen('')
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cursor_in_new_line = True
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self.to_screen('[rtmpdump] ' + line)
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try:
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dl()
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finally:
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proc.wait()
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if not cursor_in_new_line:
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self.to_screen('')
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return proc.returncode
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@ -163,7 +170,13 @@ class RtmpFD(FileDownloader):
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RD_INCOMPLETE = 2
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RD_NO_CONNECT = 3
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retval = run_rtmpdump(args)
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try:
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retval = run_rtmpdump(args)
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except KeyboardInterrupt:
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if not info_dict.get('is_live'):
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raise
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retval = RD_SUCCESS
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self.to_screen('\n[rtmpdump] Interrupted by user')
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if retval == RD_NO_CONNECT:
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self.report_error('[rtmpdump] Could not connect to RTMP server.')
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