PEP8: E225,E227

[youtube-dl] / youtube_dl / postprocessor / ffmpeg.py

diff --git a/youtube_dl/postprocessor/ffmpeg.py b/youtube_dl/postprocessor/ffmpeg.py
index bd2d749f9b7eac68ed1dd61d83a2906643ee79cf..002a35c67796ae04f1cceeff661fec1807622448 100644 (file)
--- a/youtube_dl/postprocessor/ffmpeg.py
+++ b/youtube_dl/postprocessor/ffmpeg.py
@@ -1,5 +1,4 @@
 import os
-import re
 import subprocess
 import sys
 import time
@@ -7,11 +6,13 @@ import time
 
 from .common import AudioConversionError, PostProcessor
 
-from ..utils import (
-    check_executable,
+from ..compat import (
     compat_subprocess_get_DEVNULL,
+)
+from ..utils import (
     encodeArgument,
     encodeFilename,
+    get_exe_version,
     is_outdated_version,
     PostProcessingError,
     prepend_extension,
@@ -20,23 +21,6 @@ from ..utils import (
 )
 
 
-def get_version(executable):
-    """ Returns the version of the specified executable,
-    or False if the executable is not present """
-    try:
-        out, err = subprocess.Popen(
-            [executable, '-version'],
-            stdout=subprocess.PIPE, stderr=subprocess.STDOUT).communicate()
-    except OSError:
-        return False
-    firstline = out.partition(b'\n')[0].decode('ascii', 'ignore')
-    m = re.search(r'version\s+([0-9._-a-zA-Z]+)', firstline)
-    if not m:
-        return u'present'
-    else:
-        return m.group(1)
-
-
 class FFmpegPostProcessorError(PostProcessingError):
     pass
 
@@ -62,7 +46,7 @@ class FFmpegPostProcessor(PostProcessor):
     @staticmethod
     def get_versions():
         programs = ['avprobe', 'avconv', 'ffmpeg', 'ffprobe']
-        return dict((program, get_version(program)) for program in programs)
+        return dict((p, get_exe_version(p, args=['-version'])) for p in programs)
 
     @property
     def _executable(self):
@@ -78,7 +62,7 @@ class FFmpegPostProcessor(PostProcessor):
     @property
     def _probe_executable(self):
         if self._downloader.params.get('prefer_ffmpeg', False):
-            prefs = ('ffproe', 'avprobe')
+            prefs = ('ffprobe', 'avprobe')
         else:
             prefs = ('avprobe', 'ffprobe')
         for p in prefs:
@@ -218,7 +202,7 @@ class FFmpegExtractAudioPP(FFmpegPostProcessor):
                 extension = 'wav'
                 more_opts += ['-f', 'wav']
 
-        prefix, sep, ext = path.rpartition(u'.') # not os.path.splitext, since the latter does not work on unicode in all setups
+        prefix, sep, ext = path.rpartition(u'.')  # not os.path.splitext, since the latter does not work on unicode in all setups
         new_path = prefix + sep + extension
 
         # If we download foo.mp3 and convert it to... foo.mp3, then don't delete foo.mp3, silly.
@@ -232,7 +216,7 @@ class FFmpegExtractAudioPP(FFmpegPostProcessor):
                 self._downloader.to_screen(u'[' + self._executable + '] Destination: ' + new_path)
                 self.run_ffmpeg(path, new_path, acodec, more_opts)
         except:
-            etype,e,tb = sys.exc_info()
+            etype, e, tb = sys.exc_info()
             if isinstance(e, AudioConversionError):
                 msg = u'audio conversion failed: ' + e.msg
             else:
@@ -247,13 +231,13 @@ class FFmpegExtractAudioPP(FFmpegPostProcessor):
                 self._downloader.report_warning(u'Cannot update utime of audio file')
 
         information['filepath'] = new_path
-        return self._nopostoverwrites,information
+        return self._nopostoverwrites, information
 
 
 class FFmpegVideoConvertor(FFmpegPostProcessor):
-    def __init__(self, downloader=None,preferedformat=None):
+    def __init__(self, downloader=None, preferedformat=None):
         super(FFmpegVideoConvertor, self).__init__(downloader)
-        self._preferedformat=preferedformat
+        self._preferedformat = preferedformat
 
     def run(self, information):
         path = information['filepath']
@@ -261,13 +245,13 @@ class FFmpegVideoConvertor(FFmpegPostProcessor):
         outpath = prefix + sep + self._preferedformat
         if information['ext'] == self._preferedformat:
             self._downloader.to_screen(u'[ffmpeg] Not converting video file %s - already is in target format %s' % (path, self._preferedformat))
-            return True,information
-        self._downloader.to_screen(u'['+'ffmpeg'+'] Converting video from %s to %s, Destination: ' % (information['ext'], self._preferedformat) +outpath)
+            return True, information
+        self._downloader.to_screen(u'[' + 'ffmpeg' + '] Converting video from %s to %s, Destination: ' % (information['ext'], self._preferedformat) + outpath)
         self.run_ffmpeg(path, outpath, [])
         information['filepath'] = outpath
         information['format'] = self._preferedformat
         information['ext'] = self._preferedformat
-        return False,information
+        return False, information
 
 
 class FFmpegEmbedSubtitlePP(FFmpegPostProcessor):
@@ -473,7 +457,7 @@ class FFmpegEmbedSubtitlePP(FFmpegPostProcessor):
             self._downloader.to_screen(u'[ffmpeg] Subtitles can only be embedded in mp4 files')
             return True, information
         if not information.get('subtitles'):
-            self._downloader.to_screen(u'[ffmpeg] There aren\'t any subtitles to embed') 
+            self._downloader.to_screen(u'[ffmpeg] There aren\'t any subtitles to embed')
             return True, information
 
         sub_langs = [key for key in information['subtitles']]
@@ -482,7 +466,7 @@ class FFmpegEmbedSubtitlePP(FFmpegPostProcessor):
 
         opts = ['-map', '0:0', '-map', '0:1', '-c:v', 'copy', '-c:a', 'copy']
         for (i, lang) in enumerate(sub_langs):
-            opts.extend(['-map', '%d:0' % (i+1), '-c:s:%d' % i, 'mov_text'])
+            opts.extend(['-map', '%d:0' % (i + 1), '-c:s:%d' % i, 'mov_text'])
             lang_code = self._conver_lang_code(lang)
             if lang_code is not None:
                 opts.extend(['-metadata:s:s:%d' % i, 'language=%s' % lang_code])