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546 lines
24 KiB
Python
546 lines
24 KiB
Python
import base64
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import json
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import re
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from .common import InfoExtractor
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from ..compat import (
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compat_urlparse,
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compat_parse_qs,
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)
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from ..utils import (
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clean_html,
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ExtractorError,
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format_field,
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int_or_none,
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unsmuggle_url,
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smuggle_url,
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traverse_obj,
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remove_start
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)
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class KalturaIE(InfoExtractor):
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_VALID_URL = r'''(?x)
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(?:
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kaltura:(?P<partner_id>\w+):(?P<id>\w+)(?::(?P<player_type>\w+))?|
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https?://
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(:?(?:www|cdnapi(?:sec)?)\.)?kaltura\.com(?::\d+)?/
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(?:
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(?:
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# flash player
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index\.php/(?:kwidget|extwidget/preview)|
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# html5 player
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html5/html5lib/[^/]+/mwEmbedFrame\.php
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)
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)(?:/(?P<path>[^?]+))?(?:\?(?P<query>.*))?
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)
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'''
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_SERVICE_URL = 'http://cdnapi.kaltura.com'
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_SERVICE_BASE = '/api_v3/service/multirequest'
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# See https://github.com/kaltura/server/blob/master/plugins/content/caption/base/lib/model/enums/CaptionType.php
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_CAPTION_TYPES = {
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1: 'srt',
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2: 'ttml',
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3: 'vtt',
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}
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_TESTS = [
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{
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'url': 'kaltura:269692:1_1jc2y3e4',
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'md5': '3adcbdb3dcc02d647539e53f284ba171',
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'info_dict': {
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'id': '1_1jc2y3e4',
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'ext': 'mp4',
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'title': 'Straight from the Heart',
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'upload_date': '20131219',
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'uploader_id': 'mlundberg@wolfgangsvault.com',
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'description': 'The Allman Brothers Band, 12/16/1981',
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'thumbnail': 're:^https?://.*/thumbnail/.*',
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'timestamp': int,
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},
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'skip': 'The access to this service is forbidden since the specified partner is blocked'
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},
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{
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'url': 'http://www.kaltura.com/index.php/kwidget/cache_st/1300318621/wid/_269692/uiconf_id/3873291/entry_id/1_1jc2y3e4',
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'only_matching': True,
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},
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{
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'url': 'https://cdnapisec.kaltura.com/index.php/kwidget/wid/_557781/uiconf_id/22845202/entry_id/1_plr1syf3',
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'only_matching': True,
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},
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{
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'url': 'https://cdnapisec.kaltura.com/html5/html5lib/v2.30.2/mwEmbedFrame.php/p/1337/uiconf_id/20540612/entry_id/1_sf5ovm7u?wid=_243342',
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'only_matching': True,
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},
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{
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# video with subtitles
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'url': 'kaltura:111032:1_cw786r8q',
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'only_matching': True,
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},
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{
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# video with ttml subtitles (no fileExt)
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'url': 'kaltura:1926081:0_l5ye1133',
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'info_dict': {
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'id': '0_l5ye1133',
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'ext': 'mp4',
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'title': 'What Can You Do With Python?',
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'upload_date': '20160221',
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'uploader_id': 'stork',
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'thumbnail': 're:^https?://.*/thumbnail/.*',
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'timestamp': int,
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'subtitles': {
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'en': [{
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'ext': 'ttml',
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}],
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},
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},
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'skip': 'Gone. Maybe https://www.safaribooksonline.com/library/tutorials/introduction-to-python-anon/3469/',
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'params': {
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'skip_download': True,
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},
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},
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{
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'url': 'https://www.kaltura.com/index.php/extwidget/preview/partner_id/1770401/uiconf_id/37307382/entry_id/0_58u8kme7/embed/iframe?&flashvars[streamerType]=auto',
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'only_matching': True,
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},
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{
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'url': 'https://www.kaltura.com:443/index.php/extwidget/preview/partner_id/1770401/uiconf_id/37307382/entry_id/0_58u8kme7/embed/iframe?&flashvars[streamerType]=auto',
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'only_matching': True,
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},
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{
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# unavailable source format
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'url': 'kaltura:513551:1_66x4rg7o',
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'only_matching': True,
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},
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{
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# html5lib URL using kwidget player
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'url': 'https://cdnapisec.kaltura.com/html5/html5lib/v2.46/mwEmbedFrame.php/p/691292/uiconf_id/20499062/entry_id/0_c076mna6?wid=_691292&iframeembed=true&playerId=kaltura_player_1420508608&entry_id=0_c076mna6&flashvars%5BakamaiHD.loadingPolicy%5D=preInitialize&flashvars%5BakamaiHD.asyncInit%5D=true&flashvars%5BstreamerType%5D=hdnetwork',
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'info_dict': {
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'id': '0_c076mna6',
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'ext': 'mp4',
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'title': 'md5:4883e7acbcbf42583a2dddc97dee4855',
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'duration': 3608,
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'uploader_id': 'commons@swinburne.edu.au',
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'timestamp': 1408086874,
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'view_count': int,
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'upload_date': '20140815',
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'thumbnail': 'http://cfvod.kaltura.com/p/691292/sp/69129200/thumbnail/entry_id/0_c076mna6/version/100022',
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}
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},
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{
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# html5lib playlist URL using kwidget player
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'url': 'https://cdnapisec.kaltura.com/html5/html5lib/v2.89/mwEmbedFrame.php/p/2019031/uiconf_id/40436601?wid=1_4j3m32cv&iframeembed=true&playerId=kaltura_player_&flashvars[playlistAPI.kpl0Id]=1_jovey5nu&flashvars[ks]=&&flashvars[imageDefaultDuration]=30&flashvars[localizationCode]=en&flashvars[leadWithHTML5]=true&flashvars[forceMobileHTML5]=true&flashvars[nextPrevBtn.plugin]=true&flashvars[hotspots.plugin]=true&flashvars[sideBarContainer.plugin]=true&flashvars[sideBarContainer.position]=left&flashvars[sideBarContainer.clickToClose]=true&flashvars[chapters.plugin]=true&flashvars[chapters.layout]=vertical&flashvars[chapters.thumbnailRotator]=false&flashvars[streamSelector.plugin]=true&flashvars[EmbedPlayer.SpinnerTarget]=videoHolder&flashvars[dualScreen.plugin]=true&flashvars[playlistAPI.playlistUrl]=https://canvasgatechtest.kaf.kaltura.com/playlist/details/{playlistAPI.kpl0Id}/categoryid/126428551',
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'info_dict': {
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'id': '1_jovey5nu',
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'title': '00-00 Introduction'
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},
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'playlist': [
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{
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'info_dict': {
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'id': '1_b1y5hlvx',
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'ext': 'mp4',
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'title': 'CS7646_00-00 Introductio_Introduction',
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'duration': 91,
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'thumbnail': 'http://cfvod.kaltura.com/p/2019031/sp/201903100/thumbnail/entry_id/1_b1y5hlvx/version/100001',
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'view_count': int,
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'timestamp': 1533154447,
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'upload_date': '20180801',
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'uploader_id': 'djoyner3',
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}
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}, {
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'info_dict': {
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'id': '1_jfb7mdpn',
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'ext': 'mp4',
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'title': 'CS7646_00-00 Introductio_Three parts to the course',
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'duration': 63,
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'thumbnail': 'http://cfvod.kaltura.com/p/2019031/sp/201903100/thumbnail/entry_id/1_jfb7mdpn/version/100001',
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'view_count': int,
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'timestamp': 1533154489,
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'upload_date': '20180801',
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'uploader_id': 'djoyner3',
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}
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}, {
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'info_dict': {
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'id': '1_8xflxdp7',
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'ext': 'mp4',
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'title': 'CS7646_00-00 Introductio_Textbooks',
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'duration': 37,
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'thumbnail': 'http://cfvod.kaltura.com/p/2019031/sp/201903100/thumbnail/entry_id/1_8xflxdp7/version/100001',
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'view_count': int,
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'timestamp': 1533154512,
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'upload_date': '20180801',
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'uploader_id': 'djoyner3',
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}
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}, {
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'info_dict': {
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'id': '1_3hqew8kn',
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'ext': 'mp4',
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'title': 'CS7646_00-00 Introductio_Prerequisites',
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'duration': 49,
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'thumbnail': 'http://cfvod.kaltura.com/p/2019031/sp/201903100/thumbnail/entry_id/1_3hqew8kn/version/100001',
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'view_count': int,
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'timestamp': 1533154536,
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'upload_date': '20180801',
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'uploader_id': 'djoyner3',
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}
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}
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]
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}
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]
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@classmethod
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def _extract_embed_urls(cls, url, webpage):
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# Embed codes: https://knowledge.kaltura.com/embedding-kaltura-media-players-your-site
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finditer = (
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list(re.finditer(
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r"""(?xs)
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kWidget\.(?:thumb)?[Ee]mbed\(
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\{.*?
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(?P<q1>['"])wid(?P=q1)\s*:\s*
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(?P<q2>['"])_?(?P<partner_id>(?:(?!(?P=q2)).)+)(?P=q2),.*?
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(?P<q3>['"])entry_?[Ii]d(?P=q3)\s*:\s*
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(?P<q4>['"])(?P<id>(?:(?!(?P=q4)).)+)(?P=q4)(?:,|\s*\})
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""", webpage))
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or list(re.finditer(
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r'''(?xs)
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(?P<q1>["'])
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(?:https?:)?//cdnapi(?:sec)?\.kaltura\.com(?::\d+)?/(?:(?!(?P=q1)).)*\b(?:p|partner_id)/(?P<partner_id>\d+)(?:(?!(?P=q1)).)*
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(?P=q1).*?
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(?:
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(?:
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entry_?[Ii]d|
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(?P<q2>["'])entry_?[Ii]d(?P=q2)
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)\s*:\s*|
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\[\s*(?P<q2_1>["'])entry_?[Ii]d(?P=q2_1)\s*\]\s*=\s*
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)
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(?P<q3>["'])(?P<id>(?:(?!(?P=q3)).)+)(?P=q3)
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''', webpage))
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or list(re.finditer(
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r'''(?xs)
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<(?:iframe[^>]+src|meta[^>]+\bcontent)=(?P<q1>["'])\s*
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(?:https?:)?//(?:(?:www|cdnapi(?:sec)?)\.)?kaltura\.com/(?:(?!(?P=q1)).)*\b(?:p|partner_id)/(?P<partner_id>\d+)
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(?:(?!(?P=q1)).)*
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[?&;]entry_id=(?P<id>(?:(?!(?P=q1))[^&])+)
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(?:(?!(?P=q1)).)*
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(?P=q1)
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''', webpage))
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)
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urls = []
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for mobj in finditer:
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embed_info = mobj.groupdict()
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for k, v in embed_info.items():
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if v:
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embed_info[k] = v.strip()
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embed_url = 'kaltura:%(partner_id)s:%(id)s' % embed_info
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escaped_pid = re.escape(embed_info['partner_id'])
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service_mobj = re.search(
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r'<script[^>]+src=(["\'])(?P<id>(?:https?:)?//(?:(?!\1).)+)/p/%s/sp/%s00/embedIframeJs' % (escaped_pid, escaped_pid),
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webpage)
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if service_mobj:
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embed_url = smuggle_url(embed_url, {'service_url': service_mobj.group('id')})
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urls.append(embed_url)
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return urls
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def _kaltura_api_call(self, video_id, actions, service_url=None, *args, **kwargs):
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params = actions[0]
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params.update({i: a for i, a in enumerate(actions[1:], start=1)})
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data = self._download_json(
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(service_url or self._SERVICE_URL) + self._SERVICE_BASE,
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video_id, data=json.dumps(params).encode('utf-8'),
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headers={
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'Content-Type': 'application/json',
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'Accept-Encoding': 'gzip, deflate, br',
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}, *args, **kwargs)
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for idx, status in enumerate(data):
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if not isinstance(status, dict):
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continue
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if status.get('objectType') == 'KalturaAPIException':
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raise ExtractorError(
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'%s said: %s (%d)' % (self.IE_NAME, status['message'], idx))
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data[1] = traverse_obj(data, (1, 'objects', 0))
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return data
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def _get_video_info(self, video_id, partner_id, service_url=None, player_type='html5'):
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assert player_type in ('html5', 'kwidget')
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if player_type == 'kwidget':
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return self._get_video_info_kwidget(video_id, partner_id, service_url)
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return self._get_video_info_html5(video_id, partner_id, service_url)
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def _get_video_info_html5(self, video_id, partner_id, service_url=None):
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actions = [
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{
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'apiVersion': '3.3.0',
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'clientTag': 'html5:v3.1.0',
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'format': 1, # JSON, 2 = XML, 3 = PHP
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'ks': '',
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'partnerId': partner_id,
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},
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{
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'expiry': 86400,
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'service': 'session',
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'action': 'startWidgetSession',
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'widgetId': self._build_widget_id(partner_id),
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},
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# info
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{
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'action': 'list',
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'filter': {'redirectFromEntryId': video_id},
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'service': 'baseentry',
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'ks': '{1:result:ks}',
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'responseProfile': {
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'type': 1,
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'fields': 'createdAt,dataUrl,duration,name,plays,thumbnailUrl,userId',
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},
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},
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# flavor_assets
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{
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'action': 'getbyentryid',
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'entryId': video_id,
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'service': 'flavorAsset',
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'ks': '{1:result:ks}',
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},
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# captions
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{
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'action': 'list',
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'filter:entryIdEqual': video_id,
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'service': 'caption_captionasset',
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'ks': '{1:result:ks}',
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},
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]
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return self._kaltura_api_call(
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video_id, actions, service_url, note='Downloading video info JSON (Kaltura html5 player)')
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def _get_video_info_kwidget(self, video_id, partner_id, service_url=None):
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actions = [
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{
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'service': 'multirequest',
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'apiVersion': '3.1',
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'expiry': 86400,
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'clientTag': 'kwidget:v2.89',
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'format': 1, # JSON, 2 = XML, 3 = PHP
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'ignoreNull': 1,
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'action': 'null',
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},
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# header
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{
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'expiry': 86400,
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'service': 'session',
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'action': 'startWidgetSession',
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'widgetId': self._build_widget_id(partner_id),
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},
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# (empty)
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{
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'expiry': 86400,
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'service': 'session',
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'action': 'startwidgetsession',
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'widgetId': self._build_widget_id(partner_id),
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'format': 9,
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'apiVersion': '3.1',
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'clientTag': 'kwidget:v2.89',
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'ignoreNull': 1,
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'ks': '{1:result:ks}'
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},
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# info
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{
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'action': 'list',
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'filter': {'redirectFromEntryId': video_id},
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'service': 'baseentry',
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'ks': '{1:result:ks}',
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'responseProfile': {
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'type': 1,
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'fields': 'createdAt,dataUrl,duration,name,plays,thumbnailUrl,userId',
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},
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},
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# flavor_assets
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{
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'action': 'getbyentryid',
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'entryId': video_id,
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'service': 'flavorAsset',
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'ks': '{1:result:ks}',
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},
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# captions
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{
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'action': 'list',
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'filter:entryIdEqual': video_id,
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'service': 'caption_captionasset',
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'ks': '{1:result:ks}',
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},
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]
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# second object (representing the second start widget session) is None
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header, _, _info, flavor_assets, captions = self._kaltura_api_call(
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video_id, actions, service_url, note='Downloading video info JSON (Kaltura kwidget player)')
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info = _info['objects'][0]
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return header, info, flavor_assets, captions
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def _build_widget_id(self, partner_id):
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return partner_id if '_' in partner_id else f'_{partner_id}'
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IFRAME_PACKAGE_DATA_REGEX = r'window\.kalturaIframePackageData\s*='
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def _real_extract(self, url):
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url, smuggled_data = unsmuggle_url(url, {})
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mobj = self._match_valid_url(url)
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partner_id, entry_id, player_type = mobj.group('partner_id', 'id', 'player_type')
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ks, captions = None, None
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if not player_type:
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player_type = 'kwidget' if 'html5lib/v2' in url else 'html5'
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if partner_id and entry_id:
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_, info, flavor_assets, captions = self._get_video_info(entry_id, partner_id, smuggled_data.get('service_url'), player_type=player_type)
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else:
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path, query = mobj.group('path', 'query')
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if not path and not query:
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raise ExtractorError('Invalid URL', expected=True)
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params = {}
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if query:
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params = compat_parse_qs(query)
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if path:
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splitted_path = path.split('/')
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params.update(dict((zip(splitted_path[::2], [[v] for v in splitted_path[1::2]]))))
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if 'wid' in params:
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partner_id = remove_start(params['wid'][0], '_')
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elif 'p' in params:
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partner_id = params['p'][0]
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elif 'partner_id' in params:
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partner_id = params['partner_id'][0]
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else:
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raise ExtractorError('Invalid URL', expected=True)
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if 'entry_id' in params:
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entry_id = params['entry_id'][0]
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_, info, flavor_assets, captions = self._get_video_info(entry_id, partner_id, player_type=player_type)
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elif 'uiconf_id' in params and 'flashvars[referenceId]' in params:
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reference_id = params['flashvars[referenceId]'][0]
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webpage = self._download_webpage(url, reference_id)
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|
entry_data = self._search_json(
|
|
self.IFRAME_PACKAGE_DATA_REGEX, webpage,
|
|
'kalturaIframePackageData', reference_id)['entryResult']
|
|
info, flavor_assets = entry_data['meta'], entry_data['contextData']['flavorAssets']
|
|
entry_id = info['id']
|
|
# Unfortunately, data returned in kalturaIframePackageData lacks
|
|
# captions so we will try requesting the complete data using
|
|
# regular approach since we now know the entry_id
|
|
try:
|
|
_, info, flavor_assets, captions = self._get_video_info(
|
|
entry_id, partner_id, player_type=player_type)
|
|
except ExtractorError:
|
|
# Regular scenario failed but we already have everything
|
|
# extracted apart from captions and can process at least
|
|
# with this
|
|
pass
|
|
elif 'uiconf_id' in params and 'flashvars[playlistAPI.kpl0Id]' in params:
|
|
playlist_id = params['flashvars[playlistAPI.kpl0Id]'][0]
|
|
webpage = self._download_webpage(url, playlist_id)
|
|
playlist_data = self._search_json(
|
|
self.IFRAME_PACKAGE_DATA_REGEX, webpage,
|
|
'kalturaIframePackageData', playlist_id)['playlistResult']
|
|
return self.playlist_from_matches(
|
|
traverse_obj(playlist_data, (playlist_id, 'items', ..., 'id')),
|
|
playlist_id, traverse_obj(playlist_data, (playlist_id, 'name')),
|
|
ie=KalturaIE, getter=lambda x: f'kaltura:{partner_id}:{x}:{player_type}')
|
|
else:
|
|
raise ExtractorError('Invalid URL', expected=True)
|
|
ks = params.get('flashvars[ks]', [None])[0]
|
|
|
|
return self._per_video_extract(smuggled_data, entry_id, info, ks, flavor_assets, captions)
|
|
|
|
def _per_video_extract(self, smuggled_data, entry_id, info, ks, flavor_assets, captions):
|
|
source_url = smuggled_data.get('source_url')
|
|
if source_url:
|
|
referrer = base64.b64encode(
|
|
'://'.join(compat_urlparse.urlparse(source_url)[:2])
|
|
.encode('utf-8')).decode('utf-8')
|
|
else:
|
|
referrer = None
|
|
|
|
def sign_url(unsigned_url):
|
|
if ks:
|
|
unsigned_url += '/ks/%s' % ks
|
|
if referrer:
|
|
unsigned_url += '?referrer=%s' % referrer
|
|
return unsigned_url
|
|
|
|
data_url = info['dataUrl']
|
|
if '/flvclipper/' in data_url:
|
|
data_url = re.sub(r'/flvclipper/.*', '/serveFlavor', data_url)
|
|
|
|
formats = []
|
|
subtitles = {}
|
|
for f in flavor_assets:
|
|
# Continue if asset is not ready
|
|
if f.get('status') != 2:
|
|
continue
|
|
# Original format that's not available (e.g. kaltura:1926081:0_c03e1b5g)
|
|
# skip for now.
|
|
if f.get('fileExt') == 'chun':
|
|
continue
|
|
# DRM-protected video, cannot be decrypted
|
|
if not self.get_param('allow_unplayable_formats') and f.get('fileExt') == 'wvm':
|
|
continue
|
|
if not f.get('fileExt'):
|
|
# QT indicates QuickTime; some videos have broken fileExt
|
|
if f.get('containerFormat') == 'qt':
|
|
f['fileExt'] = 'mov'
|
|
else:
|
|
f['fileExt'] = 'mp4'
|
|
video_url = sign_url(
|
|
'%s/flavorId/%s' % (data_url, f['id']))
|
|
format_id = '%(fileExt)s-%(bitrate)s' % f
|
|
# Source format may not be available (e.g. kaltura:513551:1_66x4rg7o)
|
|
if f.get('isOriginal') is True and not self._is_valid_url(
|
|
video_url, entry_id, format_id):
|
|
continue
|
|
# audio-only has no videoCodecId (e.g. kaltura:1926081:0_c03e1b5g
|
|
# -f mp4-56)
|
|
vcodec = 'none' if 'videoCodecId' not in f and f.get(
|
|
'frameRate') == 0 else f.get('videoCodecId')
|
|
formats.append({
|
|
'format_id': format_id,
|
|
'ext': f.get('fileExt'),
|
|
'tbr': int_or_none(f['bitrate']),
|
|
'fps': int_or_none(f.get('frameRate')),
|
|
'filesize_approx': int_or_none(f.get('size'), invscale=1024),
|
|
'container': f.get('containerFormat'),
|
|
'vcodec': vcodec,
|
|
'height': int_or_none(f.get('height')),
|
|
'width': int_or_none(f.get('width')),
|
|
'url': video_url,
|
|
})
|
|
if '/playManifest/' in data_url:
|
|
m3u8_url = sign_url(data_url.replace(
|
|
'format/url', 'format/applehttp'))
|
|
fmts, subs = self._extract_m3u8_formats_and_subtitles(
|
|
m3u8_url, entry_id, 'mp4', 'm3u8_native',
|
|
m3u8_id='hls', fatal=False)
|
|
formats.extend(fmts)
|
|
self._merge_subtitles(subs, target=subtitles)
|
|
|
|
if captions:
|
|
for caption in captions.get('objects', []):
|
|
# Continue if caption is not ready
|
|
if caption.get('status') != 2:
|
|
continue
|
|
if not caption.get('id'):
|
|
continue
|
|
caption_format = int_or_none(caption.get('format'))
|
|
subtitles.setdefault(caption.get('languageCode') or caption.get('language'), []).append({
|
|
'url': '%s/api_v3/service/caption_captionasset/action/serve/captionAssetId/%s' % (self._SERVICE_URL, caption['id']),
|
|
'ext': caption.get('fileExt') or self._CAPTION_TYPES.get(caption_format) or 'ttml',
|
|
})
|
|
|
|
return {
|
|
'id': entry_id,
|
|
'title': info['name'],
|
|
'formats': formats,
|
|
'subtitles': subtitles,
|
|
'description': clean_html(info.get('description')),
|
|
'thumbnail': info.get('thumbnailUrl'),
|
|
'duration': info.get('duration'),
|
|
'timestamp': info.get('createdAt'),
|
|
'uploader_id': format_field(info, 'userId', ignore=('None', None)),
|
|
'view_count': int_or_none(info.get('plays')),
|
|
}
|