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244 lines
11 KiB
Python
244 lines
11 KiB
Python
import re
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import urllib.parse
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from .common import InfoExtractor
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from ..networking import HEADRequest
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from ..utils import (
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determine_ext,
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float_or_none,
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js_to_json,
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str_or_none,
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)
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from ..utils.traversal import traverse_obj
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class SubstackIE(InfoExtractor):
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_VALID_URL = r'https?://(?P<username>[\w-]+)\.substack\.com/p/(?P<id>[\w-]+)'
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_TESTS = [{
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'url': 'https://haleynahman.substack.com/p/i-made-a-vlog?s=r',
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'md5': 'f27e4fc6252001d48d479f45e65cdfd5',
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'info_dict': {
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'id': '47660949',
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'ext': 'mp4',
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'title': 'I MADE A VLOG',
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'description': 'md5:9248af9a759321e1027226f988f54d96',
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'thumbnail': 'md5:bec758a34d8ee9142d43bcebdf33af18',
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'uploader': 'Maybe Baby',
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'uploader_id': '33628',
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},
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}, {
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'url': 'https://haleynahman.substack.com/p/-dear-danny-i-found-my-boyfriends?s=r',
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'md5': '0a63eacec877a1171a62cfa69710fcea',
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'info_dict': {
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'id': '51045592',
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'ext': 'mpga',
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'title': "🎧 Dear Danny: I found my boyfriend's secret Twitter account",
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'description': 'md5:a57f2439319e56e0af92dd0c95d75797',
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'thumbnail': 'md5:daa40b6b79249417c14ff8103db29639',
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'uploader': 'Maybe Baby',
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'uploader_id': '33628',
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},
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}, {
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'url': 'https://andrewzimmern.substack.com/p/mussels-with-black-bean-sauce-recipe',
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'md5': 'fd3c07077b02444ff0130715b5f632bb',
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'info_dict': {
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'id': '47368578',
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'ext': 'mp4',
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'title': 'Mussels with Black Bean Sauce: Recipe of the Week #7',
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'description': 'md5:b96234a2906c7d854d5229818d889515',
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'thumbnail': 'md5:e30bfaa9da40e82aa62354263a9dd232',
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'uploader': "Andrew Zimmern's Spilled Milk ",
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'uploader_id': '577659',
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},
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}, {
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# Podcast that needs its file extension resolved to mp3
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'url': 'https://persuasion1.substack.com/p/summers',
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'md5': '1456a755d46084744facdfac9edf900f',
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'info_dict': {
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'id': '141970405',
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'ext': 'mp3',
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'title': 'Larry Summers on What Went Wrong on Campus',
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'description': 'Yascha Mounk and Larry Summers also discuss the promise and perils of artificial intelligence.',
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'thumbnail': r're:https://substackcdn\.com/image/.+\.jpeg',
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'uploader': 'Persuasion',
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'uploader_id': '61579',
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},
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}, {
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# An embedded public video on a regular newsletter page
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'url': 'https://jessica.substack.com/p/livestream-today-chat-with-me-and',
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'md5': '7466bdd760b8ef8a60a1336c4e86ce20',
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'info_dict': {
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'id': '86e0da19-8263-4376-a84a-76b501db12d0',
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'ext': 'mp4',
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'title': 'liz.mp4',
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'thumbnail': r're:https://substack.*\.com/video_upload/post/158453351/86e0da19-8263-4376-a84a-76b501db12d0/.*\.png',
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'duration': 3087.8333,
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'uploader_id': '535611',
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},
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}, {
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# An embedded public audio on a regular newsletter page
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'url': 'https://jessica.substack.com/p/audio-of-jd-vance-calling-rape-an?utm_source=publication-search',
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'md5': 'bd6c2a9e0c590844496db94ad7653781',
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'info_dict': {
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'id': '17e80ab3-d5d6-488e-a939-404f33c17ef5',
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'ext': 'mp3',
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'title': 'JD Vance rape inconvenient.m4a',
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'duration': 25.939592,
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'uploader_id': '535611',
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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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if not re.search(r'<script[^>]+src=["\']https://substackcdn.com/[^"\']+\.js', webpage):
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return
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mobj = re.search(r'{[^}]*\\?["\']subdomain\\?["\']\s*:\s*\\?["\'](?P<subdomain>[^\\"\']+)', webpage)
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if mobj:
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parsed = urllib.parse.urlparse(url)
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yield parsed._replace(netloc=f'{mobj.group("subdomain")}.substack.com').geturl()
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raise cls.StopExtraction
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def _extract_video_formats(self, video_id, url, query_params={}):
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formats, subtitles = [], {}
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for video_format in ('hls', 'mp4'):
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q = {'type': video_format}
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q.update(query_params)
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query_string = '&'.join(f'{k}={v}' for k, v in q.items())
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video_url = urllib.parse.urljoin(url, f'/api/v1/video/upload/{video_id}/src?{query_string}')
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if video_format == 'hls':
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fmts, subs = self._extract_m3u8_formats_and_subtitles(video_url, video_id, 'mp4', fatal=False)
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formats.extend(fmts)
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self._merge_subtitles(subs, target=subtitles)
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else:
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formats.append({
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'url': video_url,
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'ext': video_format,
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})
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return formats, subtitles
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def _real_extract(self, url):
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display_id, username = self._match_valid_url(url).group('id', 'username')
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webpage = self._download_webpage(url, display_id)
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webpage_info = self._parse_json(self._search_json(
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r'window\._preloads\s*=\s*JSON\.parse\(', webpage, 'json string',
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display_id, transform_source=js_to_json, contains_pattern=r'"{(?s:.+)}"'), display_id)
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canonical_url = url
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domain = traverse_obj(webpage_info, ('domainInfo', 'customDomain', {str}))
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if domain:
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canonical_url = urllib.parse.urlparse(url)._replace(netloc=domain).geturl()
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post_type = webpage_info['post']['type']
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post_title = traverse_obj(webpage_info, ('post', 'title'))
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formats, subtitles = [], {}
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all_results = []
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result_info = {
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'id': str(webpage_info['post']['id']),
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'subtitles': subtitles,
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'title': traverse_obj(webpage_info, ('post', 'title')),
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'description': traverse_obj(webpage_info, ('post', 'description')),
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'thumbnail': traverse_obj(webpage_info, ('post', 'cover_image')),
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'uploader': traverse_obj(webpage_info, ('pub', 'name')),
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'uploader_id': str_or_none(traverse_obj(webpage_info, ('post', 'publication_id'))),
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'webpage_url': canonical_url,
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}
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# handle specific post types which are based on media
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if post_type == 'podcast':
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podcast_result = dict(result_info)
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fmt = {'url': webpage_info['post']['podcast_url']}
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if not determine_ext(fmt['url'], default_ext=None):
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# The redirected format URL expires but the original URL doesn't,
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# so we only want to extract the extension from this request
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fmt['ext'] = determine_ext(self._request_webpage(
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HEADRequest(fmt['url']), display_id,
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'Resolving podcast file extension',
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'Podcast URL is invalid').url)
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podcast_result['formats'] = [fmt]
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all_results.append(podcast_result)
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if post_type == 'video':
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video_result = dict(result_info)
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formats, subtitles = self._extract_video_formats(
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webpage_info['post']['videoUpload']['id'], canonical_url)
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video_result.update({
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'formats': formats,
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'subtitles': subtitles,
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})
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all_results.append(video_result)
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# search for embedded players on the page
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found_items = []
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post_id = str(webpage_info['post']['id'])
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assert result_info['uploader_id'] is not None, 'newsletter posted without user_id'
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video_players = re.finditer(
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r'<div[^>]*data-component-name="VideoEmbedPlayer"[^>]*>',
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webpage)
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for vp in video_players:
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video_id = self._search_regex(r'id="([^"]+)"',
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vp.group(0),
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'video id', group=1).replace('media-', '')
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video_metadata_url = urllib.parse.urljoin(url, f'/api/v1/video/upload/{video_id}')
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json_vid_data = self._download_json(video_metadata_url, video_id)
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assert video_id == json_vid_data['id'], 'unexpected json metadata retrieved'
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json_vid_data['_type'] = 'video'
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found_items.append(json_vid_data)
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audio_players = re.finditer(
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r'<div[^>]*data-component-name="AudioEmbedPlayer"[^>]*>',
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webpage)
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for ap in audio_players:
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video_uri = self._search_regex(r'src="(/api/v1/audio/upload/[^"]+)"',
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webpage[ap.start():],
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'video uri', group=1)
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video_metadata_url = urllib.parse.urljoin(url, video_uri.replace('/src', ''))
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video_id = self._search_regex(r'upload/([^/]+)/src',
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video_uri,
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'video id', group=1)
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json_vid_data = self._download_json(video_metadata_url, video_id)
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assert video_id == json_vid_data['id'], 'unexpected json metadata retrieved'
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json_vid_data['_type'] = 'audio'
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json_vid_data['_uri'] = video_uri
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found_items.append(json_vid_data)
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for json_vid_data in found_items:
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video_id = json_vid_data['id']
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if 'video' in json_vid_data['_type']:
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formats, subtitles = self._extract_video_formats(
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video_id, canonical_url,
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query_params={'override_publication_id': result_info['uploader_id']})
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else:
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fmt = {'url': urllib.parse.urljoin(url, json_vid_data['_uri'])}
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if not determine_ext(fmt['url'], default_ext=None):
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# The redirected format URL expires but the original URL doesn't,
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# so we only want to extract the extension from this request
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fmt['ext'] = determine_ext(self._request_webpage(
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HEADRequest(fmt['url']), video_id,
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'Resolving audio file extension',
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'Embedded audio URL is invalid').url)
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formats.append(fmt)
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new_result = dict(result_info)
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new_result.update({
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'formats': formats,
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'subtitles': subtitles,
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'id': video_id,
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'title': json_vid_data.get('name', None),
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'description': None,
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'thumbnail': json_vid_data.get('thumbnail_url', None),
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'duration': float_or_none(json_vid_data.get('duration', None)),
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# videos can be cross-embedded, so the publication id should be of the uploader
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'uploader_id': str_or_none(json_vid_data.get('user_id', None)),
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'uploader': None, # video uploader username is not included
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})
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all_results.append(new_result)
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if len(all_results) > 0:
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playlist_title = f'Videos for {post_title}'
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return self.playlist_result(all_results, post_id, playlist_title)
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else:
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self.raise_no_formats(f'Page type "{post_type}" contains no supported embeds')
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