diff options
Diffstat (limited to 'youtube_dl/__init__.py')
| -rwxr-xr-x | youtube_dl/__init__.py | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/youtube_dl/__init__.py b/youtube_dl/__init__.py index 3b9e2d70e..5224611d2 100755 --- a/youtube_dl/__init__.py +++ b/youtube_dl/__init__.py @@ -490,6 +490,8 @@ class FileDownloader(object): updatetime: Use the Last-modified header to set output file timestamps. writedescription: Write the video description to a .description file writeinfojson: Write the video description to a .info.json file + writesubtitles: Write the video subtitles to a .srt file + subtitleslang: Language of the subtitles to download """ params = None @@ -681,6 +683,10 @@ class FileDownloader(object): """ Report that the description file is being written """ self.to_screen(u'[info] Writing video description to: ' + descfn) + def report_writesubtitles(self, srtfn): + """ Report that the subtitles file is being written """ + self.to_screen(u'[info] Writing video subtitles to: ' + srtfn) + def report_writeinfojson(self, infofn): """ Report that the metadata file has been written """ self.to_screen(u'[info] Video description metadata as JSON to: ' + infofn) @@ -808,6 +814,21 @@ class FileDownloader(object): except (OSError, IOError): self.trouble(u'ERROR: Cannot write description file ' + descfn) return + + if self.params.get('writesubtitles', False) and 'subtitles' in info_dict and info_dict['subtitles']: + # subtitles download errors are already managed as troubles in relevant IE + # that way it will silently go on when used with unsupporting IE + try: + srtfn = filename.rsplit('.', 1)[0] + u'.srt' + self.report_writesubtitles(srtfn) + srtfile = open(_encodeFilename(srtfn), 'wb') + try: + srtfile.write(info_dict['subtitles'].encode('utf-8')) + finally: + srtfile.close() + except (OSError, IOError): + self.trouble(u'ERROR: Cannot write subtitles file ' + descfn) + return if self.params.get('writeinfojson', False): infofn = filename + u'.info.json' @@ -1206,6 +1227,10 @@ class YoutubeIE(InfoExtractor): """Report attempt to download video info webpage.""" self._downloader.to_screen(u'[youtube] %s: Downloading video info webpage' % video_id) + def report_video_subtitles_download(self, video_id): + """Report attempt to download video info webpage.""" + self._downloader.to_screen(u'[youtube] %s: Downloading video subtitles' % video_id) + def report_information_extraction(self, video_id): """Report attempt to extract video information.""" self._downloader.to_screen(u'[youtube] %s: Extracting video information' % video_id) @@ -1218,6 +1243,23 @@ class YoutubeIE(InfoExtractor): """Indicate the download will use the RTMP protocol.""" self._downloader.to_screen(u'[youtube] RTMP download detected') + def _closed_captions_xml_to_srt(self, xml_string): + srt = '' + texts = re.findall(r'<text start="([\d\.]+)"( dur="([\d\.]+)")?>([^<]+)</text>', xml_string, re.MULTILINE) + # TODO parse xml instead of regex + for n, (start, dur_tag, dur, caption) in enumerate(texts): + if not dur: dur = '4' + start = float(start) + end = start + float(dur) + start = "%02i:%02i:%02i,%03i" %(start/(60*60), start/60%60, start%60, start%1*1000) + end = "%02i:%02i:%02i,%03i" %(end/(60*60), end/60%60, end%60, end%1*1000) + caption = re.sub(ur'(?u)&(.+?);', htmlentity_transform, caption) + caption = re.sub(ur'(?u)&(.+?);', htmlentity_transform, caption) # double cycle, inentional + srt += str(n) + '\n' + srt += start + ' --> ' + end + '\n' + srt += caption + '\n\n' + return srt + def _print_formats(self, formats): print 'Available formats:' for x in formats: @@ -1389,6 +1431,37 @@ class YoutubeIE(InfoExtractor): vwebpage_doc = lxml.etree.parse(StringIO.StringIO(video_webpage), html_parser) video_description = u''.join(vwebpage_doc.xpath('id("eow-description")//text()')) # TODO use another parser + + # closed captions + video_subtitles = None + if self._downloader.params.get('writesubtitles', False): + self.report_video_subtitles_download(video_id) + request = urllib2.Request('http://video.google.com/timedtext?hl=en&type=list&v=%s' % video_id) + try: + srt_list = urllib2.urlopen(request).read() + except (urllib2.URLError, httplib.HTTPException, socket.error), err: + self._downloader.trouble(u'WARNING: unable to download video subtitles: %s' % str(err)) + else: + srt_lang_list = re.findall(r'lang_code="([\w\-]+)"', srt_list) + if srt_lang_list: + if self._downloader.params.get('subtitleslang', False): + srt_lang = self._downloader.params.get('subtitleslang') + elif 'en' in srt_lang_list: + srt_lang = 'en' + else: + srt_lang = srt_lang_list[0] + if not srt_lang in srt_lang_list: + self._downloader.trouble(u'WARNING: no closed captions found in the specified language') + else: + request = urllib2.Request('http://video.google.com/timedtext?hl=en&lang=%s&v=%s' % (srt_lang, video_id)) + try: + srt_xml = urllib2.urlopen(request).read() + except (urllib2.URLError, httplib.HTTPException, socket.error), err: + self._downloader.trouble(u'WARNING: unable to download video subtitles: %s' % str(err)) + else: + video_subtitles = self._closed_captions_xml_to_srt(srt_xml.decode('utf-8')) + else: + self._downloader.trouble(u'WARNING: video has no closed captions') # token video_token = urllib.unquote_plus(video_info['token'][0]) @@ -1461,6 +1534,7 @@ class YoutubeIE(InfoExtractor): 'thumbnail': video_thumbnail.decode('utf-8'), 'description': video_description, 'player_url': player_url, + 'subtitles': video_subtitles }) except UnavailableVideoError, err: self._downloader.trouble(u'\nERROR: unable to download video') @@ -4319,6 +4393,12 @@ def parseOpts(): action='store', dest='format_limit', metavar='FORMAT', help='highest quality format to download') video_format.add_option('-F', '--list-formats', action='store_true', dest='listformats', help='list all available formats (currently youtube only)') + video_format.add_option('--write-srt', + action='store_true', dest='writesubtitles', + help='write video closed captions to a .srt file (currently youtube only)', default=False) + video_format.add_option('--srt-lang', + action='store', dest='subtitleslang', metavar='LANG', + help='language of the closed captions to download (optional) use IETF language tags like \'en\'') verbosity.add_option('-q', '--quiet', @@ -4583,6 +4663,8 @@ def _real_main(): 'updatetime': opts.updatetime, 'writedescription': opts.writedescription, 'writeinfojson': opts.writeinfojson, + 'writesubtitles': opts.writesubtitles, + 'subtitleslang': opts.subtitleslang, 'matchtitle': opts.matchtitle, 'rejecttitle': opts.rejecttitle, 'max_downloads': opts.max_downloads, |