[downloader/mplayer] Use check_executable
[youtube-dl] / youtube_dl / downloader / mplayer.py
1 from __future__ import unicode_literals
2
3 import os
4 import subprocess
5
6 from .common import FileDownloader
7 from ..compat import compat_subprocess_get_DEVNULL
8 from ..utils import (
9     check_executable,
10     encodeFilename,
11 )
12
13
14 class MplayerFD(FileDownloader):
15     def real_download(self, filename, info_dict):
16         url = info_dict['url']
17         self.report_destination(filename)
18         tmpfilename = self.temp_name(filename)
19
20         args = [
21             'mplayer', '-really-quiet', '-vo', 'null', '-vc', 'dummy',
22             '-dumpstream', '-dumpfile', tmpfilename, url]
23         # Check for mplayer first
24         if not check_executable('mplayer', ['-h']):
25             self.report_error('MMS or RTSP download detected but "%s" could not be run' % args[0])
26             return False
27
28         # Download using mplayer.
29         retval = subprocess.call(args)
30         if retval == 0:
31             fsize = os.path.getsize(encodeFilename(tmpfilename))
32             self.to_screen('\r[%s] %s bytes' % (args[0], fsize))
33             self.try_rename(tmpfilename, filename)
34             self._hook_progress({
35                 'downloaded_bytes': fsize,
36                 'total_bytes': fsize,
37                 'filename': filename,
38                 'status': 'finished',
39             })
40             return True
41         else:
42             self.to_stderr('\n')
43             self.report_error('mplayer exited with code %d' % retval)
44             return False