204 lines
		
	
	
		
			8.1 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			204 lines
		
	
	
		
			8.1 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
| from __future__ import unicode_literals
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| 
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| import os
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| import re
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| import subprocess
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| import time
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| 
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| from .common import FileDownloader
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| from ..compat import compat_str
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| from ..utils import (
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|     check_executable,
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|     encodeFilename,
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|     encodeArgument,
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|     get_exe_version,
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| )
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| 
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| 
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| def rtmpdump_version():
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|     return get_exe_version(
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|         'rtmpdump', ['--help'], r'(?i)RTMPDump\s*v?([0-9a-zA-Z._-]+)')
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| 
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| 
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| 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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|                     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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|             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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| 
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|         url = info_dict['url']
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|         player_url = info_dict.get('player_url')
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|         page_url = info_dict.get('page_url')
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|         app = info_dict.get('app')
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|         play_path = info_dict.get('play_path')
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|         tc_url = info_dict.get('tc_url')
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|         flash_version = info_dict.get('flash_version')
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|         live = info_dict.get('rtmp_live', False)
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|         conn = info_dict.get('rtmp_conn')
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|         protocol = info_dict.get('rtmp_protocol')
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|         real_time = info_dict.get('rtmp_real_time', False)
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|         no_resume = info_dict.get('no_resume', False)
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|         continue_dl = self.params.get('continuedl', True)
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| 
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|         self.report_destination(filename)
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|         tmpfilename = self.temp_name(filename)
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|         test = self.params.get('test', False)
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| 
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|         # Check for rtmpdump first
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|         if not check_executable('rtmpdump', ['-h']):
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|             self.report_error('RTMP download detected but "rtmpdump" could not be run. Please install it.')
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|             return False
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| 
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|         # Download using rtmpdump. rtmpdump returns exit code 2 when
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|         # the connection was interrupted and resuming appears to be
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|         # possible. This is part of rtmpdump's normal usage, AFAIK.
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|         basic_args = [
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|             'rtmpdump', '--verbose', '-r', url,
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|             '-o', tmpfilename]
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|         if player_url is not None:
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|             basic_args += ['--swfVfy', player_url]
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|         if page_url is not None:
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|             basic_args += ['--pageUrl', page_url]
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|         if app is not None:
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|             basic_args += ['--app', app]
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|         if play_path is not None:
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|             basic_args += ['--playpath', play_path]
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|         if tc_url is not None:
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|             basic_args += ['--tcUrl', tc_url]
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|         if test:
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|             basic_args += ['--stop', '1']
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|         if flash_version is not None:
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|             basic_args += ['--flashVer', flash_version]
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|         if live:
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|             basic_args += ['--live']
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|         if isinstance(conn, list):
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|             for entry in conn:
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|                 basic_args += ['--conn', entry]
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|         elif isinstance(conn, compat_str):
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|             basic_args += ['--conn', conn]
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|         if protocol is not None:
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|             basic_args += ['--protocol', protocol]
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|         if real_time:
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|             basic_args += ['--realtime']
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| 
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|         args = basic_args
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|         if not no_resume and continue_dl and not live:
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|             args += ['--resume']
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|         if not live and continue_dl:
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|             args += ['--skip', '1']
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| 
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|         args = [encodeArgument(a) for a in args]
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| 
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|         self._debug_cmd(args, exe='rtmpdump')
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| 
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|         RD_SUCCESS = 0
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|         RD_FAILED = 1
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|         RD_INCOMPLETE = 2
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|         RD_NO_CONNECT = 3
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| 
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|         retval = run_rtmpdump(args)
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| 
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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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|             return False
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| 
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|         while (retval == RD_INCOMPLETE or retval == RD_FAILED) and not test and not live:
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|             prevsize = os.path.getsize(encodeFilename(tmpfilename))
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|             self.to_screen('[rtmpdump] %s bytes' % prevsize)
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|             time.sleep(5.0)  # This seems to be needed
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|             args = basic_args + ['--resume']
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|             if retval == RD_FAILED:
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|                 args += ['--skip', '1']
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|             args = [encodeArgument(a) for a in args]
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|             retval = run_rtmpdump(args)
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|             cursize = os.path.getsize(encodeFilename(tmpfilename))
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|             if prevsize == cursize and retval == RD_FAILED:
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|                 break
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|             # Some rtmp streams seem abort after ~ 99.8%. Don't complain for those
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|             if prevsize == cursize and retval == RD_INCOMPLETE and cursize > 1024:
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|                 self.to_screen('[rtmpdump] Could not download the whole video. This can happen for some advertisements.')
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|                 retval = RD_SUCCESS
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|                 break
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|         if retval == RD_SUCCESS or (test and retval == RD_INCOMPLETE):
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|             fsize = os.path.getsize(encodeFilename(tmpfilename))
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|             self.to_screen('[rtmpdump] %s bytes' % fsize)
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|             self.try_rename(tmpfilename, filename)
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|             self._hook_progress({
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|                 'downloaded_bytes': fsize,
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|                 'total_bytes': fsize,
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|                 'filename': filename,
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|                 'status': 'finished',
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|             })
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|             return True
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|         else:
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|             self.to_stderr('\n')
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|             self.report_error('rtmpdump exited with code %d' % retval)
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|             return False
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