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[subtitles] Improved docs + new class for servers who don't support
auto-caption
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parent
447591e1ae
commit
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@ -3,7 +3,7 @@
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import socket
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from .common import InfoExtractor
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from .subtitles import SubtitlesIE
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from .subtitles import NoAutoSubtitlesIE
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from ..utils import (
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compat_http_client,
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@ -17,7 +17,7 @@
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)
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class DailyMotionSubtitlesIE(SubtitlesIE):
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class DailyMotionSubtitlesIE(NoAutoSubtitlesIE):
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def _get_available_subtitles(self, video_id):
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request = compat_urllib_request.Request('https://api.dailymotion.com/video/%s/subtitles?fields=id,language,url' % video_id)
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@ -33,11 +33,6 @@ def _get_available_subtitles(self, video_id):
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self._downloader.report_warning(u'video doesn\'t have subtitles')
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return {}
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def _request_automatic_caption(self, video_id, webpage):
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self._downloader.report_warning(u'Automatic Captions not supported by this server')
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return {}
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class DailymotionIE(DailyMotionSubtitlesIE):
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"""Information Extractor for Dailymotion"""
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@ -12,21 +12,15 @@
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class SubtitlesIE(InfoExtractor):
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def report_video_subtitles_available(self, video_id, sub_lang_list):
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"""Report available subtitles."""
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def _list_available_subtitles(self, video_id):
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""" outputs the available subtitles for the video """
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sub_lang_list = self._get_available_subtitles(video_id)
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sub_lang = ",".join(list(sub_lang_list.keys()))
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self.to_screen(u'%s: Available subtitles for video: %s' %
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(video_id, sub_lang))
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def _list_available_subtitles(self, video_id):
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sub_lang_list = self._get_available_subtitles(video_id)
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self.report_video_subtitles_available(video_id, sub_lang_list)
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def _extract_subtitles(self, video_id):
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"""
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Return a dictionary: {language: subtitles} or {} if the subtitles
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couldn't be found
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"""
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""" returns {sub_lang: sub} or {} if subtitles not found """
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sub_lang_list = self._get_available_subtitles(video_id)
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if not sub_lang_list: # error, it didn't get the available subtitles
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return {}
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@ -51,6 +45,7 @@ def _extract_subtitles(self, video_id):
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return subtitles
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def _request_subtitle_url(self, sub_lang, url):
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""" makes the http request for the subtitle """
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try:
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sub = compat_urllib_request.urlopen(url).read().decode('utf-8')
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except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
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@ -62,12 +57,19 @@ def _request_subtitle_url(self, sub_lang, url):
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return sub
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def _get_available_subtitles(self, video_id):
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"""returns the list of available subtitles like this {lang: url} """
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"""or {} if not available. Must be redefined by the subclasses."""
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""" returns {sub_lang: url} or {} if not available """
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""" Must be redefined by the subclasses """
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pass
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def _request_automatic_caption(self, video_id, webpage):
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"""Request automatic caption. Redefine in subclasses."""
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"""returns a tuple of ... """
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# return [(err_msg, None, None)]
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""" returns {sub_lang: sub} or {} if not available """
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""" Must be redefined by the subclasses """
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pass
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class NoAutoSubtitlesIE(SubtitlesIE):
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""" A subtitle class for the servers that don't support auto-captions"""
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def _request_automatic_caption(self, video_id, webpage):
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self._downloader.report_warning(u'Automatic Captions not supported by this server')
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return {}
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