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- import os
- import re
- import subprocess
- import sys
- import time
-
- from .common import FileDownloader
- from ..utils import (
- encodeFilename,
- format_bytes,
- )
-
-
- class RtmpFD(FileDownloader):
- def real_download(self, filename, info_dict):
- 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'~' + 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,
- })
- else:
- # no percent for live streams
- mobj = re.search(r'([0-9]+\.[0-9]{3}) kB / [0-9]+\.[0-9]{2} sec', line)
- if mobj:
- downloaded_data_len = int(float(mobj.group(1))*1024)
- time_now = time.time()
- speed = self.calc_speed(start, time_now, downloaded_data_len)
- self.report_progress_live_stream(downloaded_data_len, speed, time_now - start)
- cursor_in_new_line = False
- self._hook_progress({
- 'downloaded_bytes': downloaded_data_len,
- 'tmpfilename': tmpfilename,
- 'filename': filename,
- 'status': 'downloading',
- '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
-
- url = info_dict['url']
- player_url = info_dict.get('player_url', None)
- page_url = info_dict.get('page_url', None)
- app = info_dict.get('app', None)
- play_path = info_dict.get('play_path', None)
- tc_url = info_dict.get('tc_url', None)
- flash_version = info_dict.get('flash_version', None)
- live = info_dict.get('rtmp_live', False)
- conn = info_dict.get('rtmp_conn', None)
-
- self.report_destination(filename)
- tmpfilename = self.temp_name(filename)
- test = self.params.get('test', False)
-
- # Check for rtmpdump first
- try:
- subprocess.call(['rtmpdump', '-h'], stdout=(open(os.path.devnull, 'w')), stderr=subprocess.STDOUT)
- except (OSError, IOError):
- self.report_error(u'RTMP download detected but "rtmpdump" could not be run')
- return False
-
- # 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', '--verbose', '-r', url, '-o', tmpfilename]
- if player_url is not None:
- basic_args += ['--swfVfy', player_url]
- if page_url is not None:
- basic_args += ['--pageUrl', page_url]
- if app is not None:
- basic_args += ['--app', app]
- if play_path is not None:
- basic_args += ['--playpath', play_path]
- if tc_url is not None:
- basic_args += ['--tcUrl', url]
- if test:
- basic_args += ['--stop', '1']
- if flash_version is not None:
- basic_args += ['--flashVer', flash_version]
- if live:
- basic_args += ['--live']
- if conn:
- basic_args += ['--conn', conn]
- args = basic_args + [[], ['--resume', '--skip', '1']][self.params.get('continuedl', False)]
-
- if sys.platform == 'win32' and sys.version_info < (3, 0):
- # Windows subprocess module does not actually support Unicode
- # on Python 2.x
- # See http://stackoverflow.com/a/9951851/35070
- subprocess_encoding = sys.getfilesystemencoding()
- args = [a.encode(subprocess_encoding, 'ignore') for a in args]
- else:
- subprocess_encoding = None
-
- if self.params.get('verbose', False):
- if subprocess_encoding:
- str_args = [
- a.decode(subprocess_encoding) if isinstance(a, bytes) else a
- for a in args]
- else:
- str_args = args
- try:
- import pipes
- shell_quote = lambda args: ' '.join(map(pipes.quote, str_args))
- except ImportError:
- shell_quote = repr
- self.to_screen(u'[debug] rtmpdump command line: ' + shell_quote(str_args))
-
- retval = run_rtmpdump(args)
-
- while (retval == 2 or retval == 1) and not test:
- prevsize = os.path.getsize(encodeFilename(tmpfilename))
- self.to_screen(u'[rtmpdump] %s bytes' % prevsize)
- time.sleep(5.0) # This seems to be needed
- 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'[rtmpdump] Could not download the whole video. This can happen for some advertisements.')
- retval = 0
- break
- if retval == 0 or (test and retval == 2):
- fsize = os.path.getsize(encodeFilename(tmpfilename))
- self.to_screen(u'[rtmpdump] %s bytes' % fsize)
- self.try_rename(tmpfilename, filename)
- self._hook_progress({
- 'downloaded_bytes': fsize,
- 'total_bytes': fsize,
- 'filename': filename,
- 'status': 'finished',
- })
- return True
- else:
- self.to_stderr(u"\n")
- self.report_error(u'rtmpdump exited with code %d' % retval)
- return False
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