diff options
Diffstat (limited to 'youtube_dl/extractor')
| -rw-r--r-- | youtube_dl/extractor/subtitles.py | 51 | ||||
| -rw-r--r-- | youtube_dl/extractor/youtube.py | 37 |
2 files changed, 47 insertions, 41 deletions
diff --git a/youtube_dl/extractor/subtitles.py b/youtube_dl/extractor/subtitles.py index 9a3c54b65..a6780f176 100644 --- a/youtube_dl/extractor/subtitles.py +++ b/youtube_dl/extractor/subtitles.py @@ -15,28 +15,33 @@ class SubtitlesInfoExtractor(InfoExtractor): self.to_screen(u'%s: Available subtitles for video: %s' % (video_id, sub_lang)) - def _extract_subtitles(self, video_id): + def extract_subtitles(self, video_id, video_webpage=None): """ returns {sub_lang: sub} or {} if subtitles not found """ - available_subs_list = self._get_available_subtitles(video_id) + if self._downloader.params.get('writesubtitles', False) or self._downloader.params.get('allsubtitles', False): + available_subs_list = self._get_available_subtitles(video_id) + elif self._downloader.params.get('writeautomaticsub', False): + available_subs_list = self._get_available_automatic_caption(video_id, video_webpage) + else: + return None + if not available_subs_list: # error, it didn't get the available subtitles return {} if self._downloader.params.get('allsubtitles', False): sub_lang_list = available_subs_list else: - if self._downloader.params.get('writesubtitles', False): - if self._downloader.params.get('subtitleslangs', False): - requested_langs = self._downloader.params.get('subtitleslangs') - elif 'en' in available_subs_list: - requested_langs = ['en'] - else: - requested_langs = [list(available_subs_list.keys())[0]] + if self._downloader.params.get('subtitleslangs', False): + requested_langs = self._downloader.params.get('subtitleslangs') + elif 'en' in available_subs_list: + requested_langs = ['en'] + else: + requested_langs = [list(available_subs_list.keys())[0]] - sub_lang_list = {} - for sub_lang in requested_langs: - if not sub_lang in available_subs_list: - self._downloader.report_warning(u'no closed captions found in the specified language "%s"' % sub_lang) - continue - sub_lang_list[sub_lang] = available_subs_list[sub_lang] + sub_lang_list = {} + for sub_lang in requested_langs: + if not sub_lang in available_subs_list: + self._downloader.report_warning(u'no closed captions found in the specified language "%s"' % sub_lang) + continue + sub_lang_list[sub_lang] = available_subs_list[sub_lang] subtitles = {} for sub_lang, url in sub_lang_list.items(): @@ -64,23 +69,11 @@ class SubtitlesInfoExtractor(InfoExtractor): """ pass - def _request_automatic_caption(self, video_id, webpage): + def _get_available_automatic_caption(self, video_id, webpage): """ - returns {sub_lang: sub} or {} if not available + returns {sub_lang: url} or {} if not available Must be redefined by the subclasses that support automatic captions, otherwise it will return {} """ self._downloader.report_warning(u'Automatic Captions not supported by this server') return {} - - def extract_subtitles(self, video_id, video_webpage=None): - """ - Extract the subtitles and/or the automatic captions if requested. - Returns None or a dictionary in the format {sub_lang: sub} - """ - video_subtitles = None - if self._downloader.params.get('writesubtitles', False) or self._downloader.params.get('allsubtitles', False): - video_subtitles = self._extract_subtitles(video_id) - elif self._downloader.params.get('writeautomaticsub', False): - video_subtitles = self._request_automatic_caption(video_id, video_webpage) - return video_subtitles diff --git a/youtube_dl/extractor/youtube.py b/youtube_dl/extractor/youtube.py index d06cc49c4..46f977ce7 100644 --- a/youtube_dl/extractor/youtube.py +++ b/youtube_dl/extractor/youtube.py @@ -5,6 +5,7 @@ import netrc import re import socket import itertools +import xml.etree.ElementTree from .common import InfoExtractor, SearchInfoExtractor from .subtitles import SubtitlesInfoExtractor @@ -478,14 +479,13 @@ class YoutubeIE(YoutubeBaseInfoExtractor, SubtitlesInfoExtractor): return {} return sub_lang_list - def _request_automatic_caption(self, video_id, webpage): + def _get_available_automatic_caption(self, video_id, webpage): """We need the webpage for getting the captions url, pass it as an argument to speed up the process.""" - sub_lang = (self._downloader.params.get('subtitleslangs') or ['en'])[0] sub_format = self._downloader.params.get('subtitlesformat') self.to_screen(u'%s: Looking for automatic captions' % video_id) mobj = re.search(r';ytplayer.config = ({.*?});', webpage) - err_msg = u'Couldn\'t find automatic captions for "%s"' % sub_lang + err_msg = u'Couldn\'t find automatic captions for %s' % video_id if mobj is None: self._downloader.report_warning(err_msg) return {} @@ -494,16 +494,29 @@ class YoutubeIE(YoutubeBaseInfoExtractor, SubtitlesInfoExtractor): args = player_config[u'args'] caption_url = args[u'ttsurl'] timestamp = args[u'timestamp'] - params = compat_urllib_parse.urlencode({ - 'lang': 'en', - 'tlang': sub_lang, - 'fmt': sub_format, - 'ts': timestamp, - 'kind': 'asr', + # We get the available subtitles + list_params = compat_urllib_parse.urlencode({ + 'type': 'list', + 'tlangs': 1, + 'asrs': 1, }) - subtitles_url = caption_url + '&' + params - sub = self._download_webpage(subtitles_url, video_id, u'Downloading automatic captions') - return {sub_lang: sub} + list_url = caption_url + '&' + list_params + list_page = self._download_webpage(list_url, video_id) + caption_list = xml.etree.ElementTree.fromstring(list_page.encode('utf-8')) + original_lang = caption_list.find('track').attrib['lang_code'] + + sub_lang_list = {} + for lang_node in caption_list.findall('target'): + sub_lang = lang_node.attrib['lang_code'] + params = compat_urllib_parse.urlencode({ + 'lang': original_lang, + 'tlang': sub_lang, + 'fmt': sub_format, + 'ts': timestamp, + 'kind': 'asr', + }) + sub_lang_list[sub_lang] = caption_url + '&' + params + return sub_lang_list # An extractor error can be raise by the download process if there are # no automatic captions but there are subtitles except (KeyError, ExtractorError): |