From d82134c3395c0912157c7ccae9f21d4b3375910b Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Jaime=20Marqui=CC=81nez=20Ferra=CC=81ndiz?= Date: Wed, 11 Sep 2013 16:05:49 +0200 Subject: [PATCH] [subtitles] Simplify the extraction of subtitles in subclasses and remove NoAutoSubtitlesInfoExtractor Subclasses just need to call the method extract_subtitles, which will call _extract_subtitles and _request_automatic_caption Now the default implementation of _request_automatic_caption returns {}. --- youtube_dl/extractor/dailymotion.py | 13 +++--------- youtube_dl/extractor/subtitles.py | 32 ++++++++++++++++++++--------- youtube_dl/extractor/youtube.py | 7 +------ 3 files changed, 26 insertions(+), 26 deletions(-) diff --git a/youtube_dl/extractor/dailymotion.py b/youtube_dl/extractor/dailymotion.py index d73023b9e..abd6a36ee 100644 --- a/youtube_dl/extractor/dailymotion.py +++ b/youtube_dl/extractor/dailymotion.py @@ -4,7 +4,7 @@ import itertools import socket from .common import InfoExtractor -from .subtitles import NoAutoSubtitlesInfoExtractor +from .subtitles import SubtitlesInfoExtractor from ..utils import ( compat_http_client, @@ -18,7 +18,7 @@ from ..utils import ( ) -class DailymotionIE(NoAutoSubtitlesInfoExtractor): +class DailymotionIE(SubtitlesInfoExtractor): """Information Extractor for Dailymotion""" _VALID_URL = r'(?i)(?:https?://)?(?:www\.)?dailymotion\.[a-z]{2,3}/(?:embed/)?video/([^/]+)' @@ -81,14 +81,7 @@ class DailymotionIE(NoAutoSubtitlesInfoExtractor): video_url = info[max_quality] # subtitles - video_subtitles = None - video_webpage = 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) - + video_subtitles = self.extract_subtitles(video_id) if self._downloader.params.get('listsubtitles', False): self._list_available_subtitles(video_id) return diff --git a/youtube_dl/extractor/subtitles.py b/youtube_dl/extractor/subtitles.py index 8953d6789..5ae8b3b16 100644 --- a/youtube_dl/extractor/subtitles.py +++ b/youtube_dl/extractor/subtitles.py @@ -62,19 +62,31 @@ class SubtitlesInfoExtractor(InfoExtractor): return sub def _get_available_subtitles(self, video_id): - """ returns {sub_lang: url} or {} if not available """ - """ Must be redefined by the subclasses """ + """ + returns {sub_lang: url} or {} if not available + Must be redefined by the subclasses + """ pass def _request_automatic_caption(self, video_id, webpage): - """ returns {sub_lang: sub} or {} if not available """ - """ Must be redefined by the subclasses """ - pass + """ + returns {sub_lang: sub} 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 -class NoAutoSubtitlesInfoExtractor(SubtitlesInfoExtractor): - """ A subtitle class for the servers that don't support auto-captions""" - def _request_automatic_caption(self, video_id, webpage): - self._downloader.report_warning(u'Automatic Captions not supported by this server') - return {} diff --git a/youtube_dl/extractor/youtube.py b/youtube_dl/extractor/youtube.py index 0476f113e..3bba45b79 100644 --- a/youtube_dl/extractor/youtube.py +++ b/youtube_dl/extractor/youtube.py @@ -707,12 +707,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor, SubtitlesInfoExtractor): video_description = u'' # subtitles - 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) + video_subtitles = self.extract_subtitles(video_id, video_webpage) if self._downloader.params.get('listsubtitles', False): self._list_available_subtitles(video_id)