You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
82 lines
2.7 KiB
82 lines
2.7 KiB
from __future__ import unicode_literals |
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import re |
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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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) |
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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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_TESTS = [{ |
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'url': 'http://www.khanacademy.org/video/one-time-pad', |
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'md5': '7b391cce85e758fb94f763ddc1bbb979', |
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'info_dict': { |
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'id': 'one-time-pad', |
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'ext': 'webm', |
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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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}, |
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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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'info_dict': { |
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'id': 'cryptography', |
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'title': 'Journey into 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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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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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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} |
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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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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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