Akkariin/youtube-dl
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Merge pull request #601 from paullik/no-post-overwrites

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No post-processing overwrites
This commit is contained in:
Philipp Hagemeister 2012-12-24 03:18:48 -08:00
commit dc23886a77
2 changed files with 11 additions and 5 deletions
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12
youtube_dl/PostProcessor.py
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@ -62,13 +62,14 @@ class AudioConversionError(BaseException):
self.message = message self.message = message
class FFmpegExtractAudioPP(PostProcessor): class FFmpegExtractAudioPP(PostProcessor):
def __init__(self, downloader=None, preferredcodec=None, preferredquality=None, keepvideo=False): def __init__(self, downloader=None, preferredcodec=None, preferredquality=None, keepvideo=False, nopostoverwrites=False):
PostProcessor.__init__(self, downloader) PostProcessor.__init__(self, downloader)
if preferredcodec is None: if preferredcodec is None:
preferredcodec = 'best' preferredcodec = 'best'
self._preferredcodec = preferredcodec self._preferredcodec = preferredcodec
self._preferredquality = preferredquality self._preferredquality = preferredquality
self._keepvideo = keepvideo self._keepvideo = keepvideo
self._nopostoverwrites = nopostoverwrites
self._exes = self.detect_executables() self._exes = self.detect_executables()
@staticmethod @staticmethod
@ -102,7 +103,7 @@ class FFmpegExtractAudioPP(PostProcessor):
def run_ffmpeg(self, path, out_path, codec, more_opts): def run_ffmpeg(self, path, out_path, codec, more_opts):
if not self._exes['ffmpeg'] and not self._exes['avconv']: if not self._exes['ffmpeg'] and not self._exes['avconv']:
raise AudioConversionError('ffmpeg or avconv not found. Please install one.') raise AudioConversionError('ffmpeg or avconv not found. Please install one.')
if codec is None: if codec is None:
acodec_opts = [] acodec_opts = []
else: else:
@ -171,9 +172,12 @@ class FFmpegExtractAudioPP(PostProcessor):
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 new_path = prefix + sep + extension
self._downloader.to_screen(u'[' + (self._exes['avconv'] and 'avconv' or 'ffmpeg') + '] Destination: ' + new_path)
try: try:
self.run_ffmpeg(path, new_path, acodec, more_opts) if self._nopostoverwrites and os.path.exists(encodeFilename(new_path)):
self._downloader.to_screen(u'[youtube] Post-process file %s exists, skipping' % new_path)
else:
self._downloader.to_screen(u'[' + (self._exes['avconv'] and 'avconv' or 'ffmpeg') + '] Destination: ' + new_path)
self.run_ffmpeg(path, new_path, acodec, more_opts)
except: except:
etype,e,tb = sys.exc_info() etype,e,tb = sys.exc_info()
if isinstance(e, AudioConversionError): if isinstance(e, AudioConversionError):

4
youtube_dl/__init__.py
View File

@ -343,6 +343,8 @@ def parseOpts():
help='ffmpeg/avconv audio quality specification, insert a value between 0 (better) and 9 (worse) for VBR or a specific bitrate like 128K (default 5)') help='ffmpeg/avconv audio quality specification, insert a value between 0 (better) and 9 (worse) for VBR or a specific bitrate like 128K (default 5)')
postproc.add_option('-k', '--keep-video', action='store_true', dest='keepvideo', default=False, postproc.add_option('-k', '--keep-video', action='store_true', dest='keepvideo', default=False,
help='keeps the video file on disk after the post-processing; the video is erased by default') help='keeps the video file on disk after the post-processing; the video is erased by default')
postproc.add_option('--no-post-overwrites', action='store_true', dest='nopostoverwrites', default=False,
help='do not overwrite post-processed files; the post-processed files are overwritten by default')
parser.add_option_group(general) parser.add_option_group(general)
@ -571,7 +573,7 @@ def _real_main():
# PostProcessors # PostProcessors
if opts.extractaudio: if opts.extractaudio:
fd.add_post_processor(FFmpegExtractAudioPP(preferredcodec=opts.audioformat, preferredquality=opts.audioquality, keepvideo=opts.keepvideo)) fd.add_post_processor(FFmpegExtractAudioPP(preferredcodec=opts.audioformat, preferredquality=opts.audioquality, keepvideo=opts.keepvideo, nopostoverwrites=opts.nopostoverwrites))
# Update version # Update version
if opts.update_self: if opts.update_self: