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https://github.com/yt-dlp/yt-dlp.git
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953e32b2c1
generic subtitle download. The idea is that all subtitle downloaders must descend from SubtitlesIE and implement only three basic methods to achieve the complete subtitle download functionality. This will allow to reduce the code in YoutubeIE once it is rewritten.
134 lines
5.2 KiB
Python
134 lines
5.2 KiB
Python
import re
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import json
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import itertools
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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 ..utils import (
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compat_http_client,
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compat_urllib_error,
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compat_urllib_request,
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compat_str,
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get_element_by_attribute,
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get_element_by_id,
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ExtractorError,
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)
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class DailyMotionSubtitlesIE(SubtitlesIE):
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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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try:
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sub_list = compat_urllib_request.urlopen(request).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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self._downloader.report_warning(u'unable to download video subtitles: %s' % compat_str(err))
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return {}
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info = json.loads(sub_list)
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if (info['total'] > 0):
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sub_lang_list = dict((l['language'], l['url']) for l in info['list'])
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return sub_lang_list
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self._downloader.report_warning(u'video doesn\'t have subtitles')
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return {}
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def _get_subtitle_url(self, sub_lang, sub_name, video_id, format):
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sub_lang_list = self._get_available_subtitles(video_id)
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return sub_lang_list[sub_lang]
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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 dailymotion')
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return {}
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class DailymotionIE(DailyMotionSubtitlesIE): #,InfoExtractor):
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"""Information Extractor for Dailymotion"""
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_VALID_URL = r'(?i)(?:https?://)?(?:www\.)?dailymotion\.[a-z]{2,3}/video/([^/]+)'
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IE_NAME = u'dailymotion'
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_TEST = {
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u'url': u'http://www.dailymotion.com/video/x33vw9_tutoriel-de-youtubeur-dl-des-video_tech',
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u'file': u'x33vw9.mp4',
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u'md5': u'392c4b85a60a90dc4792da41ce3144eb',
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u'info_dict': {
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u"uploader": u"Alex and Van .",
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u"title": u"Tutoriel de Youtubeur\"DL DES VIDEO DE YOUTUBE\""
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}
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}
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def _real_extract(self, url):
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# Extract id and simplified title from URL
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mobj = re.match(self._VALID_URL, url)
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video_id = mobj.group(1).split('_')[0].split('?')[0]
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video_extension = 'mp4'
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# Retrieve video webpage to extract further information
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request = compat_urllib_request.Request(url)
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request.add_header('Cookie', 'family_filter=off')
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webpage = self._download_webpage(request, video_id)
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# Extract URL, uploader and title from webpage
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self.report_extraction(video_id)
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video_uploader = self._search_regex([r'(?im)<span class="owner[^\"]+?">[^<]+?<a [^>]+?>([^<]+?)</a>',
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# Looking for official user
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r'<(?:span|a) .*?rel="author".*?>([^<]+?)</'],
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webpage, 'video uploader')
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video_upload_date = None
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mobj = re.search(r'<div class="[^"]*uploaded_cont[^"]*" title="[^"]*">([0-9]{2})-([0-9]{2})-([0-9]{4})</div>', webpage)
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if mobj is not None:
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video_upload_date = mobj.group(3) + mobj.group(2) + mobj.group(1)
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embed_url = 'http://www.dailymotion.com/embed/video/%s' % video_id
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embed_page = self._download_webpage(embed_url, video_id,
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u'Downloading embed page')
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info = self._search_regex(r'var info = ({.*?}),', embed_page, 'video info')
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info = json.loads(info)
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# TODO: support choosing qualities
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for key in ['stream_h264_hd1080_url', 'stream_h264_hd_url',
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'stream_h264_hq_url', 'stream_h264_url',
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'stream_h264_ld_url']:
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if info.get(key): # key in info and info[key]:
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max_quality = key
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self.to_screen(u'%s: Using %s' % (video_id, key))
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break
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else:
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raise ExtractorError(u'Unable to extract video URL')
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video_url = info[max_quality]
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# subtitles
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video_subtitles = None
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video_webpage = None
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if self._downloader.params.get('writesubtitles', False) or self._downloader.params.get('allsubtitles', False):
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video_subtitles = self._extract_subtitles(video_id)
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elif self._downloader.params.get('writeautomaticsub', False):
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video_subtitles = self._request_automatic_caption(video_id, video_webpage)
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if self._downloader.params.get('listsubtitles', False):
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self._list_available_subtitles(video_id)
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return
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if 'length_seconds' not in info:
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self._downloader.report_warning(u'unable to extract video duration')
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video_duration = ''
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else:
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video_duration = compat_urllib_parse.unquote_plus(video_info['length_seconds'][0])
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return [{
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'id': video_id,
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'url': video_url,
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'uploader': video_uploader,
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'upload_date': video_upload_date,
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'title': self._og_search_title(webpage),
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'ext': video_extension,
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'subtitles': video_subtitles,
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'thumbnail': info['thumbnail_url']
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}]
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