move video player tool to external file
This commit is contained in:
Christophe Benz
parent
3939cf1039
commit
7004c1d669
2 changed files with 116 additions and 95 deletions
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@ -1,6 +1,6 @@
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# -*- coding: utf-8 -*-
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# -*- coding: utf-8 -*-
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# Copyright(C) 2010 Christophe Benz, Romain Bignon
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# Copyright(C) 2010 Christophe Benz, Romain Bignon, John Obbele
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#
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#
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# This program is free software; you can redistribute it and/or modify
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# it under the terms of the GNU General Public License as published by
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@ -16,105 +16,13 @@
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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import os
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import logging
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import errno
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from subprocess import Popen, PIPE
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from weboob.capabilities.video import ICapVideo
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from weboob.capabilities.video import ICapVideo
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from weboob.tools.application.repl import ReplApplication
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from weboob.tools.application.repl import ReplApplication
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from weboob.tools.application.video_player import VideoPlayer
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__all__ = ['Videoob']
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__all__ = ['Videoob']
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class Player():
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"""Black magic invoking a video player to this world.
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Presently, due to strong disturbances in the holidays of the ether
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world, the video player used is chosen from a static list of
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programs. See PLAYERS for more information.
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You MAY want to move it into a separate weboob.tools.applications
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module.
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"""
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# A list of tuples: (player , play_from_stdin_cmd)
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# FIXME: lookup preference in freedesktop MIME database
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PLAYERS = [
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('parole', 'parole fd://0'),
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('totem', 'totem fd://0'),
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('mplayer', 'mplayer -really-quiet -'),
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('vlc', 'vlc -'),
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('xine', 'xine stdin:/'),
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]
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def __init__(self):
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self.player = None
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for (binary,cmd_stdin) in self.PLAYERS:
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if self._find_in_path(os.environ['PATH'], binary):
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self.player = binary
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self.player_stdin = cmd_stdin
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break
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if not self.player:
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raise OSError(errno.ENOENT, "video player not found")
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def play(self, video):
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"""Play a video object, using programs from the PLAYERS list.
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This function dispatch calls to either _play_default or
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_play_rtmp for special rtmp streams using SWF verification.
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"""
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if video.url.find('rtmp') == 0:
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self._play_rtmp(video)
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else:
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self._play_default(video)
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def _play_default(self, video):
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"Play video.url with the video player."
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cmd = self.player + " " + video.url
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args = cmd.split()
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print "invoking [%s]" % cmd
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os.spawnlp(os.P_NOWAIT, args[0], *args)
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def _play_rtmp(self, video):
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""""Download data with rtmpdump and pipe them to a video player.
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You need a working version of rtmpdump installed and the SWF
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object url in order to comply with SWF verification requests
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from the server. The last one is retrieved from the non-standard
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non-API compliant 'swf_player' attribute of the 'video' object.
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"""
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if not self._find_in_path(os.environ['PATH'], 'rtmpdump'):
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raise OSError(errno.ENOENT, "\'rtmpdump\' binary not found")
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video_url = video.url
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try:
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player_url = video.swf_player
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rtmp = 'rtmpdump -r %s --swfVfy %s' % (video_url, player_url)
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except AttributeError:
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logging.warning("Your video object does not have a 'swf_player' "
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"attribute. SWF verification will be disabled and "
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"may prevent correct video playback.")
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rtmp = 'rtmpdump -r %s' % video_url
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rtmp += ' --quiet'
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print ':: Streaming from %s' % video_url
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print ':: to %s' % self.player_stdin
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p1 = Popen(rtmp.split(), stdout=PIPE)
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p2 = Popen(self.player_stdin.split(),
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stdin=p1.stdout, stderr=PIPE)
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def _find_in_path(self,path, filename):
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for i in path.split(':'):
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if os.path.exists('/'.join([i, filename])):
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return True
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return False
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class Videoob(ReplApplication):
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class Videoob(ReplApplication):
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APPNAME = 'videoob'
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APPNAME = 'videoob'
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@ -128,7 +36,7 @@ class Videoob(ReplApplication):
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def __init__(self, *args, **kwargs):
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def __init__(self, *args, **kwargs):
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ReplApplication.__init__(self, *args, **kwargs)
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ReplApplication.__init__(self, *args, **kwargs)
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try:
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try:
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self.player = Player()
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self.player = VideoPlayer()
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except OSError:
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except OSError:
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self.player = None
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self.player = None
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113
weboob/tools/application/video_player.py
Normal file
113
weboob/tools/application/video_player.py
Normal file
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@ -0,0 +1,113 @@
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# -*- coding: utf-8 -*-
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# Copyright(C) 2010 Christophe Benz, Romain Bignon, John Obbele
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, version 3 of the License.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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import errno
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import logging
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import os
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from subprocess import Popen, PIPE
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__all__ = ['VideoPlayer']
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class VideoPlayer():
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"""
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Black magic invoking a video player to this world.
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Presently, due to strong disturbances in the holidays of the ether
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world, the video player used is chosen from a static list of
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programs. See PLAYERS for more information.
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"""
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PLAYERS = [
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('parole', 'fd://0'),
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('totem', 'fd://0'),
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('mplayer', '-really-quiet -'),
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('vlc', '-'),
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('xine', 'stdin:/'),
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]
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def get_player_name(self, preferred=None):
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player_names = preferred if preferred else [player[0] for player in self.PLAYERS]
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for player_name in player_names:
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if self._find_in_path(os.environ['PATH'], player_name):
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return player_name
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def play(self, video):
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"""
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Play a video object, using programs from the PLAYERS list.
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This function dispatch calls to either _play_default or
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_play_rtmp for special rtmp streams using SWF verification.
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"""
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if video.url.find('rtmp') == 0:
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self._play_rtmp(video)
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else:
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self._play_default(video)
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def _play_default(self, video):
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"""
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Play video.url with the video player.
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"""
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player_name = self.get_player_name()
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print 'Invoking "%s %s".' % (player_name, video.url)
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os.spawnlp(os.P_NOWAIT, player_name, video.url)
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def _play_rtmp(self, video):
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"""
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Download data with rtmpdump and pipe them to a video player.
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You need a working version of rtmpdump installed and the SWF
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object url in order to comply with SWF verification requests
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from the server. The last one is retrieved from the non-standard
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non-API compliant 'swf_player' attribute of the 'video' object.
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"""
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if not self._find_in_path(os.environ['PATH'], 'rtmpdump'):
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raise OSError(errno.ENOENT, '"rtmpdump" binary not found')
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video_url = video.url
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try:
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player_url = video.swf_player
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rtmp = 'rtmpdump -r %s --swfVfy %s' % (video_url, player_url)
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except AttributeError:
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logging.warning('Your video object does not have a "swf_player" attribute. SWF verification will be '
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'disabled and may prevent correct video playback.')
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rtmp = 'rtmpdump -r %s' % video_url
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rtmp += ' --quiet'
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player_name = self.get_player_name()
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args = None
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for (binary, stdin_args) in self.PLAYERS:
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if binary == player_name:
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args = stdin_args
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assert args is not None
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print ':: Streaming from %s' % video_url
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print ':: to %s %s' % (player_name, args)
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p1 = Popen(rtmp.split(), stdout=PIPE)
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p2 = Popen([player_name, args], stdin=p1.stdout, stderr=PIPE)
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def _find_in_path(self,path, filename):
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for i in path.split(':'):
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if os.path.exists('/'.join([i, filename])):
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return True
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return False
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