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https://github.com/yt-dlp/yt-dlp
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[extractor/telegram] Add playlist support and more metadata (#5358)
Authored by: bashonly, bsun0000
This commit is contained in:
bashonly
GitHub
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commit
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2 changed files with 122 additions and 26 deletions
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@ -1,41 +1,137 @@
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import re
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from .common import InfoExtractor
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from ..utils import clean_html, get_element_by_class
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from ..utils import (
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clean_html,
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format_field,
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get_element_by_class,
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parse_duration,
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parse_qs,
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traverse_obj,
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unified_timestamp,
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update_url_query,
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url_basename,
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)
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class TelegramEmbedIE(InfoExtractor):
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IE_NAME = 'telegram:embed'
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_VALID_URL = r'https?://t\.me/(?P<channel_name>[^/]+)/(?P<id>\d+)'
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_VALID_URL = r'https?://t\.me/(?P<channel_id>[^/]+)/(?P<id>\d+)'
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_TESTS = [{
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'url': 'https://t.me/europa_press/613',
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'md5': 'dd707708aea958c11a590e8068825f22',
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'info_dict': {
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'id': '613',
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'ext': 'mp4',
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'title': 'Europa Press',
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'description': '6ce2d7e8d56eda16d80607b23db7b252',
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'thumbnail': r're:^https?:\/\/cdn.*?telesco\.pe\/file\/\w+',
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'title': 'md5:6ce2d7e8d56eda16d80607b23db7b252',
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'description': 'md5:6ce2d7e8d56eda16d80607b23db7b252',
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'channel_id': 'europa_press',
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'channel': 'Europa Press ✔',
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'thumbnail': r're:^https?://.+',
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'timestamp': 1635631203,
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'upload_date': '20211030',
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'duration': 61,
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},
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}, {
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# 2-video post
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'url': 'https://t.me/vorposte/29342',
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'info_dict': {
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'id': 'vorposte-29342',
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'title': 'Форпост 29342',
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'description': 'md5:9d92e22169a3e136d5d69df25f82c3dc',
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},
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'playlist_count': 2,
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'params': {
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'skip_download': True,
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},
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}, {
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# 2-video post with --no-playlist
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'url': 'https://t.me/vorposte/29343',
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'md5': '1724e96053c18e788c8464038876e245',
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'info_dict': {
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'id': '29343',
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'ext': 'mp4',
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'title': 'md5:9d92e22169a3e136d5d69df25f82c3dc',
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'description': 'md5:9d92e22169a3e136d5d69df25f82c3dc',
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'channel_id': 'vorposte',
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'channel': 'Форпост',
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'thumbnail': r're:^https?://.+',
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'timestamp': 1666384480,
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'upload_date': '20221021',
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'duration': 35,
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},
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'params': {
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'noplaylist': True,
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}
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}, {
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# 2-video post with 'single' query param
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'url': 'https://t.me/vorposte/29342?single',
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'md5': 'd20b202f1e41400a9f43201428add18f',
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'info_dict': {
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'id': '29342',
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'ext': 'mp4',
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'title': 'md5:9d92e22169a3e136d5d69df25f82c3dc',
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'description': 'md5:9d92e22169a3e136d5d69df25f82c3dc',
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'channel_id': 'vorposte',
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'channel': 'Форпост',
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'thumbnail': r're:^https?://.+',
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'timestamp': 1666384480,
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'upload_date': '20221021',
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'duration': 33,
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},
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}]
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def _real_extract(self, url):
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video_id = self._match_id(url)
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webpage = self._download_webpage(url, video_id, query={'embed': 0})
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webpage_embed = self._download_webpage(url, video_id, query={'embed': 1}, note='Downloading ermbed page')
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channel_id, msg_id = self._match_valid_url(url).group('channel_id', 'id')
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embed = self._download_webpage(
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url, msg_id, query={'embed': '1', 'single': []}, note='Downloading embed frame')
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formats = [{
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'url': self._proto_relative_url(self._search_regex(
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'<video[^>]+src="([^"]+)"', webpage_embed, 'source')),
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'ext': 'mp4',
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}]
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self._sort_formats(formats)
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def clean_text(html_class, html):
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text = clean_html(get_element_by_class(html_class, html))
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return text.replace('\n', ' ') if text else None
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return {
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'id': video_id,
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'title': self._html_search_meta(['og:title', 'twitter:title'], webpage, default=None),
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'description': self._html_search_meta(
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['og:description', 'twitter:description'], webpage,
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default=clean_html(get_element_by_class('tgme_widget_message_text', webpage_embed))),
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'thumbnail': self._search_regex(
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r'tgme_widget_message_video_thumb"[^>]+background-image:url\(\'([^\']+)\'\)',
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webpage_embed, 'thumbnail'),
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'formats': formats,
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description = clean_text('tgme_widget_message_text', embed)
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message = {
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'title': description or '',
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'description': description,
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'channel': clean_text('tgme_widget_message_author', embed),
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'channel_id': channel_id,
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'timestamp': unified_timestamp(self._search_regex(
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r'<time[^>]*datetime="([^"]*)"', embed, 'timestamp', fatal=False)),
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}
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videos = []
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for video in re.findall(r'<a class="tgme_widget_message_video_player(?s:.+?)</time>', embed):
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video_url = self._search_regex(
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r'<video[^>]+src="([^"]+)"', video, 'video URL', fatal=False)
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webpage_url = self._search_regex(
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r'<a class="tgme_widget_message_video_player[^>]+href="([^"]+)"',
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video, 'webpage URL', fatal=False)
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if not video_url or not webpage_url:
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continue
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formats = [{
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'url': video_url,
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'ext': 'mp4',
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}]
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self._sort_formats(formats)
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videos.append({
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'id': url_basename(webpage_url),
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'webpage_url': update_url_query(webpage_url, {'single': True}),
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'duration': parse_duration(self._search_regex(
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r'<time[^>]+duration[^>]*>([\d:]+)</time>', video, 'duration', fatal=False)),
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'thumbnail': self._search_regex(
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r'tgme_widget_message_video_thumb"[^>]+background-image:url\(\'([^\']+)\'\)',
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video, 'thumbnail', fatal=False),
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'formats': formats,
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**message,
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})
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playlist_id = None
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if len(videos) > 1 and 'single' not in parse_qs(url, keep_blank_values=True):
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playlist_id = f'{channel_id}-{msg_id}'
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if self._yes_playlist(playlist_id, msg_id):
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return self.playlist_result(
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videos, playlist_id, format_field(message, 'channel', f'%s {msg_id}'), description)
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else:
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return traverse_obj(videos, lambda _, x: x['id'] == msg_id, get_all=False)
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@ -3092,8 +3092,8 @@ def escape_url(url):
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).geturl()
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def parse_qs(url):
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return urllib.parse.parse_qs(urllib.parse.urlparse(url).query)
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def parse_qs(url, **kwargs):
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return urllib.parse.parse_qs(urllib.parse.urlparse(url).query, **kwargs)
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def read_batch_urls(batch_fd):
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