youtube-dl

Another place where youtube-dl lives on
git clone git://git.oshgnacknak.de/youtube-dl.git
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commit 9e9c164052e982fa56ad11949f6c5d454c26aa44
parent 066090dd3f15886be40310f5a0702fe485c1512e
Author: Jaime Marquínez Ferrándiz <jaime.marquinez.ferrandiz@gmail.com>
Date:   Fri, 23 Aug 2013 02:40:25 -0700

Merge pull request #937 from jaimeMF/subtitles_rework

Subtitles rework
Diffstat:
Mtest/test_youtube_subtitles.py | 26+++++++++++++-------------
Myoutube_dl/YoutubeDL.py | 35+++++++++++------------------------
Myoutube_dl/extractor/common.py | 3++-
Myoutube_dl/extractor/youtube.py | 95++++++++++++++++++++++++++++++++++---------------------------------------------
4 files changed, 67 insertions(+), 92 deletions(-)

diff --git a/test/test_youtube_subtitles.py b/test/test_youtube_subtitles.py @@ -35,47 +35,47 @@ class TestYoutubeSubtitles(unittest.TestCase): DL.params['writesubtitles'] = True IE = YoutubeIE(DL) info_dict = IE.extract('QRS8MkLhQmM') - sub = info_dict[0]['subtitles'][0] - self.assertEqual(md5(sub[2]), '4cd9278a35ba2305f47354ee13472260') + sub = info_dict[0]['subtitles']['en'] + self.assertEqual(md5(sub), '4cd9278a35ba2305f47354ee13472260') def test_youtube_subtitles_it(self): DL = FakeYDL() DL.params['writesubtitles'] = True DL.params['subtitleslang'] = 'it' IE = YoutubeIE(DL) info_dict = IE.extract('QRS8MkLhQmM') - sub = info_dict[0]['subtitles'][0] - self.assertEqual(md5(sub[2]), '164a51f16f260476a05b50fe4c2f161d') + sub = info_dict[0]['subtitles']['it'] + self.assertEqual(md5(sub), '164a51f16f260476a05b50fe4c2f161d') def test_youtube_onlysubtitles(self): DL = FakeYDL() DL.params['writesubtitles'] = True DL.params['onlysubtitles'] = True IE = YoutubeIE(DL) info_dict = IE.extract('QRS8MkLhQmM') - sub = info_dict[0]['subtitles'][0] - self.assertEqual(md5(sub[2]), '4cd9278a35ba2305f47354ee13472260') + sub = info_dict[0]['subtitles']['en'] + self.assertEqual(md5(sub), '4cd9278a35ba2305f47354ee13472260') def test_youtube_allsubtitles(self): DL = FakeYDL() DL.params['allsubtitles'] = True IE = YoutubeIE(DL) info_dict = IE.extract('QRS8MkLhQmM') subtitles = info_dict[0]['subtitles'] - self.assertEqual(len(subtitles), 13) + self.assertEqual(len(subtitles.keys()), 13) def test_youtube_subtitles_sbv_format(self): DL = FakeYDL() DL.params['writesubtitles'] = True DL.params['subtitlesformat'] = 'sbv' IE = YoutubeIE(DL) info_dict = IE.extract('QRS8MkLhQmM') - sub = info_dict[0]['subtitles'][0] - self.assertEqual(md5(sub[2]), '13aeaa0c245a8bed9a451cb643e3ad8b') + sub = info_dict[0]['subtitles']['en'] + self.assertEqual(md5(sub), '13aeaa0c245a8bed9a451cb643e3ad8b') def test_youtube_subtitles_vtt_format(self): DL = FakeYDL() DL.params['writesubtitles'] = True DL.params['subtitlesformat'] = 'vtt' IE = YoutubeIE(DL) info_dict = IE.extract('QRS8MkLhQmM') - sub = info_dict[0]['subtitles'][0] - self.assertEqual(md5(sub[2]), '356cdc577fde0c6783b9b822e7206ff7') + sub = info_dict[0]['subtitles']['en'] + self.assertEqual(md5(sub), '356cdc577fde0c6783b9b822e7206ff7') def test_youtube_list_subtitles(self): DL = FakeYDL() DL.params['listsubtitles'] = True @@ -88,8 +88,8 @@ class TestYoutubeSubtitles(unittest.TestCase): DL.params['subtitleslang'] = 'it' IE = YoutubeIE(DL) info_dict = IE.extract('8YoUxe5ncPo') - sub = info_dict[0]['subtitles'][0] - self.assertTrue(sub[2] is not None) + sub = info_dict[0]['subtitles']['it'] + self.assertTrue(sub is not None) if __name__ == '__main__': unittest.main() diff --git a/youtube_dl/YoutubeDL.py b/youtube_dl/YoutubeDL.py @@ -483,41 +483,28 @@ class YoutubeDL(object): self.report_error(u'Cannot write description file ' + descfn) return - if (self.params.get('writesubtitles', False) or self.params.get('writeautomaticsub')) and 'subtitles' in info_dict and info_dict['subtitles']: + subtitles_are_requested = any([self.params.get('writesubtitles', False), + self.params.get('writeautomaticsub'), + self.params.get('allsubtitles', False)]) + + if subtitles_are_requested 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 - subtitle = info_dict['subtitles'][0] - (sub_error, sub_lang, sub) = subtitle + subtitles = info_dict['subtitles'] sub_format = self.params.get('subtitlesformat') - if sub_error: - self.report_warning("Some error while getting the subtitles") - else: + for sub_lang in subtitles.keys(): + sub = subtitles[sub_lang] + if sub is None: + continue try: sub_filename = filename.rsplit('.', 1)[0] + u'.' + sub_lang + u'.' + sub_format self.report_writesubtitles(sub_filename) with io.open(encodeFilename(sub_filename), 'w', encoding='utf-8') as subfile: - subfile.write(sub) + subfile.write(sub) except (OSError, IOError): self.report_error(u'Cannot write subtitles file ' + descfn) return - if self.params.get('allsubtitles', False) and 'subtitles' in info_dict and info_dict['subtitles']: - subtitles = info_dict['subtitles'] - sub_format = self.params.get('subtitlesformat') - for subtitle in subtitles: - (sub_error, sub_lang, sub) = subtitle - if sub_error: - self.report_warning("Some error while getting the subtitles") - else: - try: - sub_filename = filename.rsplit('.', 1)[0] + u'.' + sub_lang + u'.' + sub_format - self.report_writesubtitles(sub_filename) - with io.open(encodeFilename(sub_filename), 'w', encoding='utf-8') as subfile: - subfile.write(sub) - except (OSError, IOError): - self.report_error(u'Cannot write subtitles file ' + descfn) - return - if self.params.get('writeinfojson', False): infofn = filename + u'.info.json' self.report_writeinfojson(infofn) diff --git a/youtube_dl/extractor/common.py b/youtube_dl/extractor/common.py @@ -47,7 +47,8 @@ class InfoExtractor(object): uploader_id: Nickname or id of the video uploader. location: Physical location of the video. player_url: SWF Player URL (used for rtmpdump). - subtitles: The subtitle file contents. + subtitles: The subtitle file contents as a dictionary in the format + {language: subtitles}. view_count: How many users have watched the video on the platform. urlhandle: [internal] The urlHandle to be used to download the file, like returned by urllib.request.urlopen diff --git a/youtube_dl/extractor/youtube.py b/youtube_dl/extractor/youtube.py @@ -458,11 +458,13 @@ class YoutubeIE(YoutubeBaseInfoExtractor): try: sub_list = compat_urllib_request.urlopen(request).read().decode('utf-8') except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err: - return (u'unable to download video subtitles: %s' % compat_str(err), None) + self._downloader.report_warning(u'unable to download video subtitles: %s' % compat_str(err)) + return {} sub_lang_list = re.findall(r'name="([^"]*)"[^>]+lang_code="([\w\-]+)"', sub_list) sub_lang_list = dict((l[1], l[0]) for l in sub_lang_list) if not sub_lang_list: - return (u'video doesn\'t have subtitles', None) + self._downloader.report_warning(u'video doesn\'t have subtitles') + return {} return sub_lang_list def _list_available_subtitles(self, video_id): @@ -471,8 +473,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor): def _request_subtitle(self, sub_lang, sub_name, video_id, format): """ - Return tuple: - (error_message, sub_lang, sub) + Return the subtitle as a string or None if they are not found """ self.report_video_subtitles_request(video_id, sub_lang, format) params = compat_urllib_parse.urlencode({ @@ -485,10 +486,12 @@ class YoutubeIE(YoutubeBaseInfoExtractor): try: sub = compat_urllib_request.urlopen(url).read().decode('utf-8') except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err: - return (u'unable to download video subtitles: %s' % compat_str(err), None, None) + self._downloader.report_warning(u'unable to download video subtitles for %s: %s' % (sub_lang, compat_str(err))) + return if not sub: - return (u'Did not fetch video subtitles', None, None) - return (None, sub_lang, sub) + self._downloader.report_warning(u'Did not fetch video subtitles') + return + return sub def _request_automatic_caption(self, video_id, webpage): """We need the webpage for getting the captions url, pass it as an @@ -499,7 +502,8 @@ class YoutubeIE(YoutubeBaseInfoExtractor): mobj = re.search(r';ytplayer.config = ({.*?});', webpage) err_msg = u'Couldn\'t find automatic captions for "%s"' % sub_lang if mobj is None: - return [(err_msg, None, None)] + self._downloader.report_warning(err_msg) + return {} player_config = json.loads(mobj.group(1)) try: args = player_config[u'args'] @@ -514,40 +518,38 @@ class YoutubeIE(YoutubeBaseInfoExtractor): }) subtitles_url = caption_url + '&' + params sub = self._download_webpage(subtitles_url, video_id, u'Downloading automatic captions') - return [(None, sub_lang, sub)] - except KeyError: - return [(err_msg, None, None)] - - def _extract_subtitle(self, video_id): + return {sub_lang: sub} + # An extractor error can be raise by the download process if there are + # no automatic captions but there are subtitles + except (KeyError, ExtractorError): + self._downloader.report_warning(err_msg) + return {} + + def _extract_subtitles(self, video_id): """ - Return a list with a tuple: - [(error_message, sub_lang, sub)] + Return a dictionary: {language: subtitles} or {} if the subtitles + couldn't be found """ sub_lang_list = self._get_available_subtitles(video_id) sub_format = self._downloader.params.get('subtitlesformat') - if isinstance(sub_lang_list,tuple): #There was some error, it didn't get the available subtitles - return [(sub_lang_list[0], None, None)] - if self._downloader.params.get('subtitleslang', False): - sub_lang = self._downloader.params.get('subtitleslang') - elif 'en' in sub_lang_list: - sub_lang = 'en' - else: - sub_lang = list(sub_lang_list.keys())[0] - if not sub_lang in sub_lang_list: - return [(u'no closed captions found in the specified language "%s"' % sub_lang, None, None)] - - subtitle = self._request_subtitle(sub_lang, sub_lang_list[sub_lang].encode('utf-8'), video_id, sub_format) - return [subtitle] - - def _extract_all_subtitles(self, video_id): - sub_lang_list = self._get_available_subtitles(video_id) - sub_format = self._downloader.params.get('subtitlesformat') - if isinstance(sub_lang_list,tuple): #There was some error, it didn't get the available subtitles - return [(sub_lang_list[0], None, None)] - subtitles = [] + if not sub_lang_list: #There was some error, it didn't get the available subtitles + return {} + if self._downloader.params.get('writesubtitles', False): + if self._downloader.params.get('subtitleslang', False): + sub_lang = self._downloader.params.get('subtitleslang') + elif 'en' in sub_lang_list: + sub_lang = 'en' + else: + sub_lang = list(sub_lang_list.keys())[0] + if not sub_lang in sub_lang_list: + self._downloader.report_warning(u'no closed captions found in the specified language "%s"' % sub_lang) + return {} + sub_lang_list = {sub_lang: sub_lang_list[sub_lang]} + subtitles = {} for sub_lang in sub_lang_list: subtitle = self._request_subtitle(sub_lang, sub_lang_list[sub_lang].encode('utf-8'), video_id, sub_format) - subtitles.append(subtitle) + if subtitle: + subtitles[sub_lang] = subtitle return subtitles def _print_formats(self, formats): @@ -738,25 +740,10 @@ class YoutubeIE(YoutubeBaseInfoExtractor): # subtitles video_subtitles = None - if self._downloader.params.get('writesubtitles', False): - video_subtitles = self._extract_subtitle(video_id) - if video_subtitles: - (sub_error, sub_lang, sub) = video_subtitles[0] - if sub_error: - self._downloader.report_warning(sub_error) - - if self._downloader.params.get('writeautomaticsub', False): + 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) - (sub_error, sub_lang, sub) = video_subtitles[0] - if sub_error: - self._downloader.report_warning(sub_error) - - if self._downloader.params.get('allsubtitles', False): - video_subtitles = self._extract_all_subtitles(video_id) - for video_subtitle in video_subtitles: - (sub_error, sub_lang, sub) = video_subtitle - if sub_error: - self._downloader.report_warning(sub_error) if self._downloader.params.get('listsubtitles', False): self._list_available_subtitles(video_id)