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[khanacademy] Add support (Fixes #2066)
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@ -1,7 +1,6 @@
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#!/usr/bin/env python
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#!/usr/bin/env python
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# encoding: utf-8
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# encoding: utf-8
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# Allow direct execution
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# Allow direct execution
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import os
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import os
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import sys
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import sys
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@ -30,6 +29,7 @@
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SmotriUserIE,
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SmotriUserIE,
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IviCompilationIE,
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IviCompilationIE,
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ImdbListIE,
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ImdbListIE,
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KhanAcademyIE,
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)
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)
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@ -198,6 +198,16 @@ def test_imdb_list(self):
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self.assertEqual(result['title'], u'Animated and Family Films')
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self.assertEqual(result['title'], u'Animated and Family Films')
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self.assertTrue(len(result['entries']) >= 48)
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self.assertTrue(len(result['entries']) >= 48)
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def test_khanacademy_topic(self):
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dl = FakeYDL()
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ie = KhanAcademyIE(dl)
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result = ie.extract('https://www.khanacademy.org/math/applied-math/cryptography')
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self.assertIsPlaylist(result)
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self.assertEqual(result['id'], u'cryptography')
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self.assertEqual(result['title'], u'Journey into cryptography')
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self.assertEqual(result['description'], u'How have humans protected their secret messages through history? What has changed today?')
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self.assertTrue(len(result['entries']) >= 3)
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if __name__ == '__main__':
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if __name__ == '__main__':
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unittest.main()
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unittest.main()
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@ -98,6 +98,7 @@
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from .jpopsukitv import JpopsukiIE
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from .jpopsukitv import JpopsukiIE
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from .kankan import KankanIE
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from .kankan import KankanIE
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from .keezmovies import KeezMoviesIE
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from .keezmovies import KeezMoviesIE
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from .khanacademy import KhanAcademyIE
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from .kickstarter import KickStarterIE
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from .kickstarter import KickStarterIE
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from .keek import KeekIE
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from .keek import KeekIE
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from .liveleak import LiveLeakIE
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from .liveleak import LiveLeakIE
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@ -1,4 +1,5 @@
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import base64
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import base64
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import json
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import os
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import os
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import re
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import re
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import socket
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import socket
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@ -260,6 +261,15 @@ def _download_xml(self, url_or_request, video_id,
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xml_string = transform_source(xml_string)
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xml_string = transform_source(xml_string)
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return xml.etree.ElementTree.fromstring(xml_string.encode('utf-8'))
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return xml.etree.ElementTree.fromstring(xml_string.encode('utf-8'))
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def _download_json(self, url_or_request, video_id,
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note=u'Downloading JSON metadata',
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errnote=u'Unable to download JSON metadata'):
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json_string = self._download_webpage(url_or_request, video_id, note, errnote)
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try:
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return json.loads(json_string)
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except ValueError as ve:
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raise ExtractorError('Failed to download JSON', cause=ve)
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def report_warning(self, msg, video_id=None):
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def report_warning(self, msg, video_id=None):
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idstr = u'' if video_id is None else u'%s: ' % video_id
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idstr = u'' if video_id is None else u'%s: ' % video_id
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self._downloader.report_warning(
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self._downloader.report_warning(
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71
youtube_dl/extractor/khanacademy.py
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71
youtube_dl/extractor/khanacademy.py
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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\.)?khanacademy\.org/(?P<key>[^/]+)/(?:[^/]+/){,2}(?P<id>[^?#/]+)(?:$|[?#])'
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IE_NAME = 'KhanAcademy'
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_TEST = {
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'url': 'http://www.khanacademy.org/video/one-time-pad',
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'file': 'one-time-pad.mp4',
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'md5': '7021db7f2d47d4fff89b13177cb1e8f4',
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'info_dict': {
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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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'upload_date': '20120411',
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}
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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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