mirror of https://github.com/yt-dlp/yt-dlp
Update to ytdl-2021.01.16
pukkandan
3 years ago
parent
7bc877a20d
commit
30a074c2b6
@ -1,82 +1,107 @@
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from __future__ import unicode_literals
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import re
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import json
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from .common import InfoExtractor
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from ..utils import (
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unified_strdate,
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int_or_none,
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parse_iso8601,
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try_get,
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)
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class KhanAcademyIE(InfoExtractor):
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_VALID_URL = r'^https?://(?:(?:www|api)\.)?khanacademy\.org/(?P<key>[^/]+)/(?:[^/]+/){,2}(?P<id>[^?#/]+)(?:$|[?#])'
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IE_NAME = 'KhanAcademy'
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class KhanAcademyBaseIE(InfoExtractor):
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_VALID_URL_TEMPL = r'https?://(?:www\.)?khanacademy\.org/(?P<id>(?:[^/]+/){%s}%s[^?#/&]+)'
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_TESTS = [{
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'url': 'http://www.khanacademy.org/video/one-time-pad',
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'md5': '7b391cce85e758fb94f763ddc1bbb979',
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def _parse_video(self, video):
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return {
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'_type': 'url_transparent',
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'url': video['youtubeId'],
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'id': video.get('slug'),
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'title': video.get('title'),
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'thumbnail': video.get('imageUrl') or video.get('thumbnailUrl'),
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'duration': int_or_none(video.get('duration')),
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'description': video.get('description'),
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'ie_key': 'Youtube',
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}
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def _real_extract(self, url):
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display_id = self._match_id(url)
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component_props = self._parse_json(self._download_json(
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'https://www.khanacademy.org/api/internal/graphql',
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display_id, query={
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'hash': 1604303425,
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'variables': json.dumps({
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'path': display_id,
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'queryParams': '',
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}),
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})['data']['contentJson'], display_id)['componentProps']
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return self._parse_component_props(component_props)
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class KhanAcademyIE(KhanAcademyBaseIE):
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IE_NAME = 'khanacademy'
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_VALID_URL = KhanAcademyBaseIE._VALID_URL_TEMPL % ('4', 'v/')
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_TEST = {
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'url': 'https://www.khanacademy.org/computing/computer-science/cryptography/crypt/v/one-time-pad',
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'md5': '9c84b7b06f9ebb80d22a5c8dedefb9a0',
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'info_dict': {
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'id': 'one-time-pad',
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'ext': 'webm',
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'id': 'FlIG3TvQCBQ',
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'ext': 'mp4',
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'title': 'The one-time pad',
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'description': 'The perfect cipher',
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'duration': 176,
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'uploader': 'Brit Cruise',
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'uploader_id': 'khanacademy',
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'upload_date': '20120411',
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'timestamp': 1334170113,
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'license': 'cc-by-nc-sa',
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},
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'add_ie': ['Youtube'],
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}, {
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'url': 'https://www.khanacademy.org/math/applied-math/cryptography',
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}
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def _parse_component_props(self, component_props):
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video = component_props['tutorialPageData']['contentModel']
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info = self._parse_video(video)
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author_names = video.get('authorNames')
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info.update({
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'uploader': ', '.join(author_names) if author_names else None,
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'timestamp': parse_iso8601(video.get('dateAdded')),
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'license': video.get('kaUserLicense'),
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})
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return info
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class KhanAcademyUnitIE(KhanAcademyBaseIE):
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IE_NAME = 'khanacademy:unit'
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_VALID_URL = (KhanAcademyBaseIE._VALID_URL_TEMPL % ('2', '')) + '/?(?:[?#&]|$)'
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_TEST = {
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'url': 'https://www.khanacademy.org/computing/computer-science/cryptography',
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'info_dict': {
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'id': 'cryptography',
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'title': 'Journey into cryptography',
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'title': 'Cryptography',
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'description': 'How have humans protected their secret messages through history? What has changed today?',
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},
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'playlist_mincount': 3,
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}]
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def _real_extract(self, url):
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m = re.match(self._VALID_URL, url)
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video_id = m.group('id')
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'playlist_mincount': 31,
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}
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if m.group('key') == 'video':
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data = self._download_json(
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'http://api.khanacademy.org/api/v1/videos/' + video_id,
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video_id, 'Downloading video info')
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def _parse_component_props(self, component_props):
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curation = component_props['curation']
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upload_date = unified_strdate(data['date_added'])
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uploader = ', '.join(data['author_names'])
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return {
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'_type': 'url_transparent',
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'url': data['url'],
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'id': video_id,
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'title': data['title'],
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'thumbnail': data['image_url'],
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'duration': data['duration'],
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'description': data['description'],
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'uploader': uploader,
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'upload_date': upload_date,
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entries = []
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tutorials = try_get(curation, lambda x: x['tabs'][0]['modules'][0]['tutorials'], list) or []
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for tutorial_number, tutorial in enumerate(tutorials, 1):
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chapter_info = {
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'chapter': tutorial.get('title'),
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'chapter_number': tutorial_number,
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'chapter_id': tutorial.get('id'),
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}
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else:
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# topic
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data = self._download_json(
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'http://api.khanacademy.org/api/v1/topic/' + video_id,
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video_id, 'Downloading topic info')
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for content_item in (tutorial.get('contentItems') or []):
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if content_item.get('kind') == 'Video':
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info = self._parse_video(content_item)
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info.update(chapter_info)
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entries.append(info)
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entries = [
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{
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'_type': 'url',
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'url': c['url'],
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'id': c['id'],
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'title': c['title'],
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}
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for c in data['children'] if c['kind'] in ('Video', 'Topic')]
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return {
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'_type': 'playlist',
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'id': video_id,
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'title': data['title'],
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'description': data['description'],
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'entries': entries,
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}
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return self.playlist_result(
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entries, curation.get('unit'), curation.get('title'),
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curation.get('description'))
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