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[youtube] Extract more thumbnails
* The thumbnail URLs are hard-coded and their actual existence is tested lazily * Added option `--no-check-formats` to not test them Closes #340, Related: #402, #337, https://github.com/ytdl-org/youtube-dl/issues/29049
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pukkandan
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@ -638,7 +638,9 @@ ## Video Format Options:
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--no-prefer-free-formats Don't give any special preference to free
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containers (default)
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--check-formats Check that the formats selected are
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actually downloadable (Experimental)
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actually downloadable
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--no-check-formats Do not check that the formats selected are
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actually downloadable
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-F, --list-formats List all available formats of requested
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videos
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--merge-output-format FORMAT If a merge is required (e.g.
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@ -209,6 +209,9 @@ class YoutubeDL(object):
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into a single file
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allow_multiple_audio_streams: Allow multiple audio streams to be merged
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into a single file
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check_formats Whether to test if the formats are downloadable.
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Can be True (check all), False (check none)
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or None (check only if requested by extractor)
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paths: Dictionary of output paths. The allowed keys are 'home'
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'temp' and the keys of OUTTMPL_TYPES (in utils.py)
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outtmpl: Dictionary of templates for output names. Allowed keys
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@ -1944,15 +1947,24 @@ def _sanitize_thumbnails(self, info_dict):
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t.get('id') if t.get('id') is not None else '',
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t.get('url')))
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def test_thumbnail(t):
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self.to_screen('[info] Testing thumbnail %s' % t['id'])
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try:
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self.urlopen(HEADRequest(t['url']))
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except network_exceptions as err:
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self.to_screen('[info] Unable to connect to thumbnail %s URL "%s" - %s. Skipping...' % (
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t['id'], t['url'], error_to_compat_str(err)))
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return False
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return True
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def thumbnail_tester():
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if self.params.get('check_formats'):
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def to_screen(msg):
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return self.to_screen(f'[info] {msg}')
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else:
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to_screen = self.write_debug
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def test_thumbnail(t):
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to_screen('Testing thumbnail %s' % t['id'])
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try:
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self.urlopen(HEADRequest(t['url']))
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except network_exceptions as err:
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to_screen('Unable to connect to thumbnail %s URL "%s" - %s. Skipping...' % (
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t['id'], t['url'], error_to_compat_str(err)))
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return False
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return True
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return test_thumbnail
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for i, t in enumerate(thumbnails):
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if t.get('id') is None:
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@ -1960,8 +1972,11 @@ def test_thumbnail(t):
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if t.get('width') and t.get('height'):
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t['resolution'] = '%dx%d' % (t['width'], t['height'])
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t['url'] = sanitize_url(t['url'])
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if self.params.get('check_formats'):
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info_dict['thumbnails'] = LazyList(filter(test_thumbnail, thumbnails[::-1])).reverse()
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if self.params.get('check_formats') is not False:
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info_dict['thumbnails'] = LazyList(filter(thumbnail_tester(), thumbnails[::-1])).reverse()
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else:
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info_dict['thumbnails'] = thumbnails
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def process_video_result(self, info_dict, download=True):
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assert info_dict.get('_type', 'video') == 'video'
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@ -229,6 +229,7 @@ class InfoExtractor(object):
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* "resolution" (optional, string "{width}x{height}",
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deprecated)
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* "filesize" (optional, int)
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* "_test_url" (optional, bool) - If true, test the URL
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thumbnail: Full URL to a video thumbnail image.
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description: Full video description.
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uploader: Full name of the video uploader.
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@ -2645,7 +2645,21 @@ def feed_entry(name):
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f['stretched_ratio'] = ratio
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break
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category = microformat.get('category') or search_meta('genre')
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channel_id = video_details.get('channelId') \
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or microformat.get('externalChannelId') \
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or search_meta('channelId')
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duration = int_or_none(
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video_details.get('lengthSeconds')
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or microformat.get('lengthSeconds')) \
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or parse_duration(search_meta('duration'))
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is_live = video_details.get('isLive')
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is_upcoming = video_details.get('isUpcoming')
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owner_profile_url = microformat.get('ownerProfileUrl')
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thumbnails = []
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thumbnail_types = ['maxresdefault', 'sddefault', 'hqdefault', '0', 'mqdefault', 'default', '1', '2', '3']
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for container in (video_details, microformat):
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for thumbnail in (try_get(
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container,
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@ -2662,34 +2676,25 @@ def feed_entry(name):
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'url': thumbnail_url,
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'height': int_or_none(thumbnail.get('height')),
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'width': int_or_none(thumbnail.get('width')),
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'preference': 1 if 'maxresdefault' in thumbnail_url else -1
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})
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thumbnail_url = search_meta(['og:image', 'twitter:image'])
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if thumbnail_url:
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thumbnails.append({
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'url': thumbnail_url,
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'preference': 1 if 'maxresdefault' in thumbnail_url else -1
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})
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# All videos have a maxresdefault thumbnail, but sometimes it does not appear in the webpage
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# See: https://github.com/ytdl-org/youtube-dl/issues/29049
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thumbnails.append({
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'url': 'https://i.ytimg.com/vi/%s/maxresdefault.jpg' % video_id,
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'preference': 1,
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})
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# The best resolution thumbnails sometimes does not appear in the webpage
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# See: https://github.com/ytdl-org/youtube-dl/issues/29049, https://github.com/yt-dlp/yt-dlp/issues/340
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thumbnails.extend({
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'url': 'https://i.ytimg.com/vi{webp}/{video_id}/{name}{live}.{ext}'.format(
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video_id=video_id, name=name, ext=ext,
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webp='_webp' if ext == 'webp' else '', live='_live' if is_live else ''),
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'_test_url': True,
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} for name in thumbnail_types for ext in ('webp', 'jpg'))
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for thumb in thumbnails:
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i = next((i for i, t in enumerate(thumbnail_types) if f'/{video_id}/{t}' in thumb['url']), 20)
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thumb['preference'] = (0 if '.webp' in thumb['url'] else -1) - (2 * i)
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self._remove_duplicate_formats(thumbnails)
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category = microformat.get('category') or search_meta('genre')
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channel_id = video_details.get('channelId') \
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or microformat.get('externalChannelId') \
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or search_meta('channelId')
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duration = int_or_none(
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video_details.get('lengthSeconds')
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or microformat.get('lengthSeconds')) \
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or parse_duration(search_meta('duration'))
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is_live = video_details.get('isLive')
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is_upcoming = video_details.get('isUpcoming')
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owner_profile_url = microformat.get('ownerProfileUrl')
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info = {
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'id': video_id,
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'title': self._live_title(video_title) if is_live else video_title,
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@ -524,8 +524,12 @@ def _dict_from_options_callback(
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help="Don't give any special preference to free containers (default)")
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video_format.add_option(
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'--check-formats',
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action='store_true', dest='check_formats', default=False,
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help="Check that the formats selected are actually downloadable (Experimental)")
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action='store_true', dest='check_formats', default=None,
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help='Check that the formats selected are actually downloadable')
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video_format.add_option(
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'--no-check-formats',
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action='store_false', dest='check_formats',
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help='Do not check that the formats selected are actually downloadable')
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video_format.add_option(
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'-F', '--list-formats',
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action='store_true', dest='listformats',
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