[InfoExtractor] Add search methods for Next/Nuxt.js from yt-dlp
* add _search_nextjs_data(), from https://github.com/yt-dlp/yt-dlp/pull/1386
thanks selfisekai
* add _search_nuxt_data(), from https://github.com/yt-dlp/yt-dlp/pull/1921,
thanks Lesmiscore, pukkandan
* add tests for the above
* also fix HTML5 type recognition and tests, from
222a230871,
thanks Lesmiscore
* update extractors in PR using above, fix tests.
This commit is contained in:
dirkf
parent
8465222041
commit
b2741f2654
@ -7,15 +7,33 @@ import io
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import os
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import sys
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import unittest
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sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
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from test.helper import FakeYDL, expect_dict, expect_value, http_server_port
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from youtube_dl.compat import compat_etree_fromstring, compat_http_server
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from youtube_dl.extractor.common import InfoExtractor
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from youtube_dl.extractor import YoutubeIE, get_info_extractor
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from youtube_dl.utils import encode_data_uri, strip_jsonp, ExtractorError, RegexNotFoundError
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import threading
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from test.helper import (
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expect_dict,
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expect_value,
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FakeYDL,
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http_server_port,
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)
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from youtube_dl.compat import (
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compat_etree_fromstring,
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compat_http_server,
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)
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from youtube_dl.extractor.common import InfoExtractor
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from youtube_dl.extractor import (
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get_info_extractor,
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YoutubeIE,
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)
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from youtube_dl.utils import (
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encode_data_uri,
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ExtractorError,
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RegexNotFoundError,
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strip_jsonp,
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)
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TEAPOT_RESPONSE_STATUS = 418
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TEAPOT_RESPONSE_BODY = "<h1>418 I'm a teapot</h1>"
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@ -100,6 +118,71 @@ class TestInfoExtractor(unittest.TestCase):
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self.assertRaises(RegexNotFoundError, ie._html_search_meta, 'z', html, None, fatal=True)
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self.assertRaises(RegexNotFoundError, ie._html_search_meta, ('z', 'x'), html, None, fatal=True)
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def test_search_nextjs_data(self):
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html = '''
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<!DOCTYPE html>
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<html>
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<head>
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<meta http-equiv="content-type" content=
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"text/html; charset=utf-8">
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<meta name="viewport" content="width=device-width">
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<title>Test _search_nextjs_data()</title>
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</head>
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<body>
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<div id="__next">
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<div style="background-color:#17171E" class="FU" dir="ltr">
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<div class="sc-93de261d-0 dyzzYE">
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<div>
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<header class="HD"></header>
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<main class="MN">
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<div style="height:0" class="HT0">
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<div style="width:NaN%" data-testid=
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"stream-container" class="WDN"></div>
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</div>
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</main>
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</div>
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<footer class="sc-6e5faf91-0 dEGaHS"></footer>
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</div>
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</div>
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</div>
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<script id="__NEXT_DATA__" type="application/json">
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{"props":{"pageProps":{"video":{"id":"testid"}}}}
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</script>
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</body>
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</html>
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'''
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search = self.ie._search_nextjs_data(html, 'testID')
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self.assertEqual(search['props']['pageProps']['video']['id'], 'testid')
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def test_search_nuxt_data(self):
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html = '''
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<!DOCTYPE html>
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<html>
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<head>
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<meta http-equiv="content-type" content=
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"text/html; charset=utf-8">
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<title>Nuxt.js Test Page</title>
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<meta name="viewport" content=
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"width=device-width, initial-scale=1">
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<meta data-hid="robots" name="robots" content="all">
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</head>
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<body class="BD">
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<div id="__layout">
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<h1 class="H1">Example heading</h1>
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<div class="IN">
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<p>Decoy text</p>
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</div>
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</div>
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<script>
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window.__NUXT__=(function(a,b,c,d,e,f,g,h){return {decoy:" default",data:[{track:{id:f,title:g}}]}}(null,null,"c",null,null,"testid","Nuxt.js title",null));
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</script>
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<script src="/_nuxt/a12345b.js" defer="defer"></script>
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</body>
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</html>
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'''
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search = self.ie._search_nuxt_data(html, 'testID')
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self.assertEqual(search['track']['id'], 'testid')
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def test_search_json_ld_realworld(self):
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# https://github.com/ytdl-org/youtube-dl/issues/23306
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expect_dict(
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@ -348,6 +431,24 @@ class TestInfoExtractor(unittest.TestCase):
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}],
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})
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# from https://0000.studio/
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# with type attribute but without extension in URL
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expect_dict(
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self,
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self.ie._parse_html5_media_entries(
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'https://0000.studio',
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r'''
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<video src="https://d1ggyt9m8pwf3g.cloudfront.net/protected/ap-northeast-1:1864af40-28d5-492b-b739-b32314b1a527/archive/clip/838db6a7-8973-4cd6-840d-8517e4093c92"
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controls="controls" type="video/mp4" preload="metadata" autoplay="autoplay" playsinline class="object-contain">
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</video>
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''', None)[0],
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{
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'formats': [{
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'url': 'https://d1ggyt9m8pwf3g.cloudfront.net/protected/ap-northeast-1:1864af40-28d5-492b-b739-b32314b1a527/archive/clip/838db6a7-8973-4cd6-840d-8517e4093c92',
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'ext': 'mp4',
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}],
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})
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def test_extract_jwplayer_data_realworld(self):
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# from http://www.suffolk.edu/sjc/
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expect_dict(
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@ -35,13 +35,6 @@ class ClipchampIE(InfoExtractor):
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_STREAM_URL_TMPL = 'https://%s.cloudflarestream.com/%s/manifest/video.%s'
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_STREAM_URL_QUERY = {'parentOrigin': 'https://clipchamp.com'}
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def _search_nextjs_data(self, webpage, video_id, **kw):
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return self._parse_json(
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self._search_regex(
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r'(?s)<script[^>]+id=[\'"]__NEXT_DATA__[\'"][^>]*>([^<]+)</script>',
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webpage, 'next.js data', **kw),
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video_id, **kw)
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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)
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@ -3,6 +3,7 @@ from __future__ import unicode_literals
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import base64
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import datetime
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import functools
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import hashlib
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import json
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import netrc
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@ -23,6 +24,7 @@ from ..compat import (
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compat_getpass,
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compat_integer_types,
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compat_http_client,
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compat_map as map,
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compat_os_name,
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compat_str,
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compat_urllib_error,
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@ -31,6 +33,7 @@ from ..compat import (
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compat_urllib_request,
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compat_urlparse,
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compat_xml_parse_error,
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compat_zip as zip,
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)
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from ..downloader.f4m import (
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get_base_url,
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@ -70,6 +73,7 @@ from ..utils import (
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str_or_none,
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str_to_int,
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strip_or_none,
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traverse_obj,
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try_get,
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unescapeHTML,
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unified_strdate,
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@ -1349,6 +1353,44 @@ class InfoExtractor(object):
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break
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return dict((k, v) for k, v in info.items() if v is not None)
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def _search_nextjs_data(self, webpage, video_id, **kw):
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nkw = dict((k, v) for k, v in kw.items() if k in ('transform_source', 'fatal'))
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kw.pop('transform_source', None)
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next_data = self._search_regex(
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r'''<script[^>]+\bid\s*=\s*('|")__NEXT_DATA__\1[^>]*>(?P<nd>[^<]+)</script>''',
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webpage, 'next.js data', group='nd', **kw)
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if not next_data:
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return {}
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return self._parse_json(next_data, video_id, **nkw)
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def _search_nuxt_data(self, webpage, video_id, *args, **kwargs):
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"""Parses Nuxt.js metadata. This works as long as the function __NUXT__ invokes is a pure function"""
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# self, webpage, video_id, context_name='__NUXT__', *, fatal=True, traverse=('data', 0)
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context_name = args[0] if len(args) > 0 else kwargs.get('context_name', '__NUXT__')
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fatal = kwargs.get('fatal', True)
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traverse = kwargs.get('traverse', ('data', 0))
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re_ctx = re.escape(context_name)
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FUNCTION_RE = (r'\(\s*function\s*\((?P<arg_keys>[\s\S]*?)\)\s*\{\s*'
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r'return\s+(?P<js>\{[\s\S]*?})\s*;?\s*}\s*\((?P<arg_vals>[\s\S]*?)\)')
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js, arg_keys, arg_vals = self._search_regex(
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(p.format(re_ctx, FUNCTION_RE) for p in
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(r'<script>\s*window\s*\.\s*{0}\s*=\s*{1}\s*\)\s*;?\s*</script>',
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r'{0}\s*\([\s\S]*?{1}')),
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webpage, context_name, group=('js', 'arg_keys', 'arg_vals'),
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default=NO_DEFAULT if fatal else (None, None, None))
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if js is None:
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return {}
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args = dict(zip(arg_keys.split(','), map(json.dumps, self._parse_json(
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'[{0}]'.format(arg_vals), video_id, transform_source=js_to_json, fatal=fatal) or ())))
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ret = self._parse_json(js, video_id, transform_source=functools.partial(js_to_json, vars=args), fatal=fatal)
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return traverse_obj(ret, traverse) or {}
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@staticmethod
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def _hidden_inputs(html):
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html = re.sub(r'<!--(?:(?!<!--).)*-->', '', html)
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@ -2496,7 +2538,8 @@ class InfoExtractor(object):
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return f
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return {}
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def _media_formats(src, cur_media_type, type_info={}):
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def _media_formats(src, cur_media_type, type_info=None):
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type_info = type_info or {}
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full_url = absolute_url(src)
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ext = type_info.get('ext') or determine_ext(full_url)
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if ext == 'm3u8':
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@ -2514,6 +2557,7 @@ class InfoExtractor(object):
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formats = [{
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'url': full_url,
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'vcodec': 'none' if cur_media_type == 'audio' else None,
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'ext': ext,
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}]
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return is_plain_url, formats
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@ -2522,7 +2566,7 @@ class InfoExtractor(object):
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# so we wll include them right here (see
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# https://www.ampproject.org/docs/reference/components/amp-video)
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# For dl8-* tags see https://delight-vr.com/documentation/dl8-video/
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_MEDIA_TAG_NAME_RE = r'(?:(?:amp|dl8(?:-live)?)-)?(video|audio)'
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_MEDIA_TAG_NAME_RE = r'(?:(?:amp|dl8(?:-live)?)-)?(video(?:-js)?|audio)'
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media_tags = [(media_tag, media_tag_name, media_type, '')
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for media_tag, media_tag_name, media_type
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in re.findall(r'(?s)(<(%s)[^>]*/>)' % _MEDIA_TAG_NAME_RE, webpage)]
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@ -2540,7 +2584,8 @@ class InfoExtractor(object):
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media_attributes = extract_attributes(media_tag)
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src = strip_or_none(media_attributes.get('src'))
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if src:
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_, formats = _media_formats(src, media_type)
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f = parse_content_type(media_attributes.get('type'))
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_, formats = _media_formats(src, media_type, f)
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media_info['formats'].extend(formats)
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media_info['thumbnail'] = absolute_url(media_attributes.get('poster'))
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if media_content:
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@ -24,13 +24,6 @@ class GlobalPlayerBaseIE(InfoExtractor):
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def _match_valid_url(cls, url):
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return cls.re.match(cls._VALID_URL, url)
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def _search_nextjs_data(self, webpage, video_id, **kw):
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return self._parse_json(
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self._search_regex(
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r'(?s)<script[^>]+id=[\'"]__NEXT_DATA__[\'"][^>]*>([^<]+)</script>',
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webpage, 'next.js data', **kw),
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video_id, **kw)
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def _get_page_props(self, url, video_id):
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webpage = self._download_webpage(url, video_id)
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return self._search_nextjs_data(webpage, video_id)['props']['pageProps']
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@ -39,14 +32,15 @@ class GlobalPlayerBaseIE(InfoExtractor):
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return urlhandle_detect_ext(self._request_webpage( # Server rejects HEAD requests
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url, video_id, note='Determining source extension'))
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def _extract_audio(self, episode, series):
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def clean_desc(x):
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@staticmethod
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def _clean_desc(x):
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x = clean_html(x)
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if x:
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x = x.replace('\xa0', ' ')
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return x
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def _extract_audio(self, episode, series):
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return merge_dicts({
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'vcodec': 'none',
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}, traverse_obj(series, {
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@ -56,7 +50,7 @@ class GlobalPlayerBaseIE(InfoExtractor):
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'uploader': 'itunesAuthor', # podcasts only
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}), traverse_obj(episode, {
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'id': 'id',
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'description': ('description', T(clean_desc)),
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'description': ('description', T(self._clean_desc)),
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'duration': ('duration', T(parse_duration)),
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'thumbnail': 'imageUrl',
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'url': 'streamUrl',
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@ -141,9 +135,9 @@ class GlobalPlayerLivePlaylistIE(GlobalPlayerBaseIE):
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'ext': 'aac',
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# 'live_status': 'is_live',
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'is_live': True,
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'description': 'md5:e10f5e10b01a7f2c14ba815509fbb38d',
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'description': r're:(?s).+\bclassical\b.+\bClassic FM Hall [oO]f Fame\b',
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'thumbnail': 'https://images.globalplayer.com/images/551379?width=450&signature=oMLPZIoi5_dBSHnTMREW0Xg76mA=',
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'title': 're:^Classic FM Hall of Fame.+$'
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'title': 're:Classic FM Hall of Fame.+$'
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},
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}]
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@ -160,7 +154,7 @@ class GlobalPlayerLivePlaylistIE(GlobalPlayerBaseIE):
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'is_live': True,
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}, traverse_obj(station, {
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'title': 'title',
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'description': 'description',
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'description': ('description', T(self._clean_desc)),
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'thumbnail': 'image',
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}), rev=True)
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@ -177,7 +171,7 @@ class GlobalPlayerAudioIE(GlobalPlayerBaseIE):
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'thumbnail': 'md5:60286e7d12d795bd1bbc9efc6cee643e',
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'categories': ['Society & Culture', 'True Crime'],
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'uploader': 'Global',
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'description': 'md5:da5b918eac9ae319454a10a563afacf9',
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'description': r're:(?s).+\bscam\b.+?\bseries available now\b',
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},
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}, {
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# radio catchup
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@ -203,7 +197,7 @@ class GlobalPlayerAudioIE(GlobalPlayerBaseIE):
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series, ('episodes', lambda _, v: v['id'] and v['streamUrl']))],
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'categories': traverse_obj(series, ('categories', Ellipsis, 'name')) or None,
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}, traverse_obj(series, {
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'description': 'description',
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'description': ('description', T(self._clean_desc)),
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'thumbnail': 'imageUrl',
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'title': 'title',
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'uploader': 'itunesAuthor', # podcasts only
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@ -21,7 +21,7 @@ class WhypIE(InfoExtractor):
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'url': 'https://cdn.whyp.it/50eb17cc-e9ff-4e18-b89b-dc9206a95cb1.mp3',
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'id': '18337',
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'title': 'Home Page Example Track',
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'description': 'md5:bd758000fb93f3159339c852b5b9133c',
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'description': r're:(?s).+\bexample track\b',
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'ext': 'mp3',
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'duration': 52.82,
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'uploader': 'Brad',
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@ -33,29 +33,6 @@ class WhypIE(InfoExtractor):
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'only_matching': True,
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}]
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def _search_nuxt_data(self, webpage, video_id, context_name='__NUXT__', fatal=True, traverse=('data', 0)):
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"""Parses Nuxt.js metadata. This works as long as the function __NUXT__ invokes is a pure function"""
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import functools
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import json
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import re
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from ..utils import (js_to_json, NO_DEFAULT)
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re_ctx = re.escape(context_name)
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FUNCTION_RE = r'\(function\((?P<arg_keys>.*?)\){return\s+(?P<js>{.*?})\s*;?\s*}\((?P<arg_vals>.*?)\)'
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js, arg_keys, arg_vals = self._search_regex(
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(p.format(re_ctx, FUNCTION_RE) for p in (r'<script>\s*window\.{0}={1}\s*\)\s*;?\s*</script>', r'{0}\(.*?{1}')),
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webpage, context_name, group=('js', 'arg_keys', 'arg_vals'),
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default=NO_DEFAULT if fatal else (None, None, None))
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if js is None:
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return {}
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args = dict(zip(arg_keys.split(','), map(json.dumps, self._parse_json(
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'[{0}]'.format(arg_vals), video_id, transform_source=js_to_json, fatal=fatal) or ())))
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ret = self._parse_json(js, video_id, transform_source=functools.partial(js_to_json, vars=args), fatal=fatal)
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return traverse_obj(ret, traverse) or {}
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def _real_extract(self, url):
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unique_id = self._match_id(url)
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webpage = self._download_webpage(url, unique_id)
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