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@@ -490,6 +490,8 @@ class FileDownloader(object):
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updatetime: Use the Last-modified header to set output file timestamps.
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writedescription: Write the video description to a .description file
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writeinfojson: Write the video description to a .info.json file
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+ writesubtitles: Write the video subtitles to a .srt file
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+ subtitleslang: Language of the subtitles to download
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"""
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params = None
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@@ -681,6 +683,10 @@ class FileDownloader(object):
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""" Report that the description file is being written """
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self.to_screen(u'[info] Writing video description to: ' + descfn)
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+ def report_writesubtitles(self, srtfn):
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+ """ Report that the subtitles file is being written """
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+ self.to_screen(u'[info] Writing video subtitles to: ' + srtfn)
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+
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def report_writeinfojson(self, infofn):
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""" Report that the metadata file has been written """
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self.to_screen(u'[info] Video description metadata as JSON to: ' + infofn)
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@@ -808,6 +814,21 @@ class FileDownloader(object):
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except (OSError, IOError):
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self.trouble(u'ERROR: Cannot write description file ' + descfn)
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return
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+
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+ if self.params.get('writesubtitles', False) and 'subtitles' in info_dict and info_dict['subtitles']:
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+ # subtitles download errors are already managed as troubles in relevant IE
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+ # that way it will silently go on when used with unsupporting IE
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+ try:
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+ srtfn = filename.rsplit('.', 1)[0] + u'.srt'
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+ self.report_writesubtitles(srtfn)
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+ srtfile = open(_encodeFilename(srtfn), 'wb')
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+ try:
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+ srtfile.write(info_dict['subtitles'].encode('utf-8'))
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+ finally:
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+ srtfile.close()
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+ except (OSError, IOError):
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+ self.trouble(u'ERROR: Cannot write subtitles file ' + descfn)
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+ return
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if self.params.get('writeinfojson', False):
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infofn = filename + u'.info.json'
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@@ -1206,6 +1227,10 @@ class YoutubeIE(InfoExtractor):
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"""Report attempt to download video info webpage."""
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self._downloader.to_screen(u'[youtube] %s: Downloading video info webpage' % video_id)
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+ def report_video_subtitles_download(self, video_id):
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+ """Report attempt to download video info webpage."""
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+ self._downloader.to_screen(u'[youtube] %s: Downloading video subtitles' % video_id)
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+
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def report_information_extraction(self, video_id):
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"""Report attempt to extract video information."""
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self._downloader.to_screen(u'[youtube] %s: Extracting video information' % video_id)
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@@ -1218,6 +1243,23 @@ class YoutubeIE(InfoExtractor):
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"""Indicate the download will use the RTMP protocol."""
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self._downloader.to_screen(u'[youtube] RTMP download detected')
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+ def _closed_captions_xml_to_srt(self, xml_string):
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+ srt = ''
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+ texts = re.findall(r'<text start="([\d\.]+)"( dur="([\d\.]+)")?>([^<]+)</text>', xml_string, re.MULTILINE)
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+ # TODO parse xml instead of regex
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+ for n, (start, dur_tag, dur, caption) in enumerate(texts):
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+ if not dur: dur = '4'
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+ start = float(start)
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+ end = start + float(dur)
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+ start = "%02i:%02i:%02i,%03i" %(start/(60*60), start/60%60, start%60, start%1*1000)
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+ end = "%02i:%02i:%02i,%03i" %(end/(60*60), end/60%60, end%60, end%1*1000)
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+ caption = re.sub(ur'(?u)&(.+?);', htmlentity_transform, caption)
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+ caption = re.sub(ur'(?u)&(.+?);', htmlentity_transform, caption) # double cycle, inentional
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+ srt += str(n) + '\n'
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+ srt += start + ' --> ' + end + '\n'
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+ srt += caption + '\n\n'
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+ return srt
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+
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def _print_formats(self, formats):
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print 'Available formats:'
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for x in formats:
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@@ -1389,6 +1431,37 @@ class YoutubeIE(InfoExtractor):
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vwebpage_doc = lxml.etree.parse(StringIO.StringIO(video_webpage), html_parser)
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video_description = u''.join(vwebpage_doc.xpath('id("eow-description")//text()'))
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# TODO use another parser
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+
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+ # closed captions
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+ video_subtitles = None
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+ if self._downloader.params.get('writesubtitles', False):
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+ self.report_video_subtitles_download(video_id)
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+ request = urllib2.Request('http://video.google.com/timedtext?hl=en&type=list&v=%s' % video_id)
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+ try:
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+ srt_list = urllib2.urlopen(request).read()
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+ except (urllib2.URLError, httplib.HTTPException, socket.error), err:
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+ self._downloader.trouble(u'WARNING: unable to download video subtitles: %s' % str(err))
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+ else:
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+ srt_lang_list = re.findall(r'lang_code="([\w\-]+)"', srt_list)
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+ if srt_lang_list:
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+ if self._downloader.params.get('subtitleslang', False):
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+ srt_lang = self._downloader.params.get('subtitleslang')
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+ elif 'en' in srt_lang_list:
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+ srt_lang = 'en'
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+ else:
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+ srt_lang = srt_lang_list[0]
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+ if not srt_lang in srt_lang_list:
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+ self._downloader.trouble(u'WARNING: no closed captions found in the specified language')
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+ else:
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+ request = urllib2.Request('http://video.google.com/timedtext?hl=en&lang=%s&v=%s' % (srt_lang, video_id))
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+ try:
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+ srt_xml = urllib2.urlopen(request).read()
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+ except (urllib2.URLError, httplib.HTTPException, socket.error), err:
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+ self._downloader.trouble(u'WARNING: unable to download video subtitles: %s' % str(err))
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+ else:
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+ video_subtitles = self._closed_captions_xml_to_srt(srt_xml.decode('utf-8'))
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+ else:
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+ self._downloader.trouble(u'WARNING: video has no closed captions')
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# token
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video_token = urllib.unquote_plus(video_info['token'][0])
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@@ -1461,6 +1534,7 @@ class YoutubeIE(InfoExtractor):
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'thumbnail': video_thumbnail.decode('utf-8'),
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'description': video_description,
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'player_url': player_url,
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+ 'subtitles': video_subtitles
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})
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except UnavailableVideoError, err:
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self._downloader.trouble(u'\nERROR: unable to download video')
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@@ -4319,6 +4393,12 @@ def parseOpts():
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action='store', dest='format_limit', metavar='FORMAT', help='highest quality format to download')
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video_format.add_option('-F', '--list-formats',
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action='store_true', dest='listformats', help='list all available formats (currently youtube only)')
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+ video_format.add_option('--write-srt',
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+ action='store_true', dest='writesubtitles',
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+ help='write video closed captions to a .srt file (currently youtube only)', default=False)
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+ video_format.add_option('--srt-lang',
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+ action='store', dest='subtitleslang', metavar='LANG',
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+ help='language of the closed captions to download (optional) use IETF language tags like \'en\'')
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verbosity.add_option('-q', '--quiet',
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@@ -4583,6 +4663,8 @@ def _real_main():
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'updatetime': opts.updatetime,
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'writedescription': opts.writedescription,
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'writeinfojson': opts.writeinfojson,
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+ 'writesubtitles': opts.writesubtitles,
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+ 'subtitleslang': opts.subtitleslang,
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'matchtitle': opts.matchtitle,
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'rejecttitle': opts.rejecttitle,
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'max_downloads': opts.max_downloads,
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Filippo Valsorda