import re import urllib.parse from .common import InfoExtractor from ..networking import HEADRequest from ..utils import ( determine_ext, js_to_json, str_or_none, ) from ..utils.traversal import traverse_obj class SubstackIE(InfoExtractor): _VALID_URL = r'https?://(?P[\w-]+)\.substack\.com/p/(?P[\w-]+)' _TESTS = [{ 'url': 'https://haleynahman.substack.com/p/i-made-a-vlog?s=r', 'md5': 'f27e4fc6252001d48d479f45e65cdfd5', 'info_dict': { 'id': '47660949', 'ext': 'mp4', 'title': 'I MADE A VLOG', 'description': 'md5:9248af9a759321e1027226f988f54d96', 'thumbnail': 'md5:bec758a34d8ee9142d43bcebdf33af18', 'uploader': 'Maybe Baby', 'uploader_id': '33628', }, }, { 'url': 'https://haleynahman.substack.com/p/-dear-danny-i-found-my-boyfriends?s=r', 'md5': '0a63eacec877a1171a62cfa69710fcea', 'info_dict': { 'id': '51045592', 'ext': 'mpga', 'title': "🎧 Dear Danny: I found my boyfriend's secret Twitter account", 'description': 'md5:a57f2439319e56e0af92dd0c95d75797', 'thumbnail': 'md5:daa40b6b79249417c14ff8103db29639', 'uploader': 'Maybe Baby', 'uploader_id': '33628', }, }, { 'url': 'https://andrewzimmern.substack.com/p/mussels-with-black-bean-sauce-recipe', 'md5': 'fd3c07077b02444ff0130715b5f632bb', 'info_dict': { 'id': '47368578', 'ext': 'mp4', 'title': 'Mussels with Black Bean Sauce: Recipe of the Week #7', 'description': 'md5:b96234a2906c7d854d5229818d889515', 'thumbnail': 'md5:e30bfaa9da40e82aa62354263a9dd232', 'uploader': "Andrew Zimmern's Spilled Milk ", 'uploader_id': '577659', }, }, { # Podcast that needs its file extension resolved to mp3 'url': 'https://persuasion1.substack.com/p/summers', 'md5': '1456a755d46084744facdfac9edf900f', 'info_dict': { 'id': '141970405', 'ext': 'mp3', 'title': 'Larry Summers on What Went Wrong on Campus', 'description': 'Yascha Mounk and Larry Summers also discuss the promise and perils of artificial intelligence.', 'thumbnail': r're:https://substackcdn\.com/image/.+\.jpeg', 'uploader': 'Persuasion', 'uploader_id': '61579', }, }] @classmethod def _extract_embed_urls(cls, url, webpage): if not re.search(r']+src=["\']https://substackcdn.com/[^"\']+\.js', webpage): return mobj = re.search(r'{[^}]*\\?["\']subdomain\\?["\']\s*:\s*\\?["\'](?P[^\\"\']+)', webpage) if mobj: parsed = urllib.parse.urlparse(url) yield parsed._replace(netloc=f'{mobj.group("subdomain")}.substack.com').geturl() raise cls.StopExtraction def _extract_video_formats(self, video_id, url): formats, subtitles = [], {} for video_format in ('hls', 'mp4'): video_url = urllib.parse.urljoin(url, f'/api/v1/video/upload/{video_id}/src?type={video_format}') if video_format == 'hls': fmts, subs = self._extract_m3u8_formats_and_subtitles(video_url, video_id, 'mp4', fatal=False) formats.extend(fmts) self._merge_subtitles(subs, target=subtitles) else: formats.append({ 'url': video_url, 'ext': video_format, }) return formats, subtitles def _real_extract(self, url): display_id, username = self._match_valid_url(url).group('id', 'username') webpage = self._download_webpage(url, display_id) webpage_info = self._parse_json(self._search_json( r'window\._preloads\s*=\s*JSON\.parse\(', webpage, 'json string', display_id, transform_source=js_to_json, contains_pattern=r'"{(?s:.+)}"'), display_id) canonical_url = url domain = traverse_obj(webpage_info, ('domainInfo', 'customDomain', {str})) if domain: canonical_url = urllib.parse.urlparse(url)._replace(netloc=domain).geturl() post_type = webpage_info['post']['type'] formats, subtitles = [], {} if post_type == 'podcast': fmt = {'url': webpage_info['post']['podcast_url']} if not determine_ext(fmt['url'], default_ext=None): # The redirected format URL expires but the original URL doesn't, # so we only want to extract the extension from this request fmt['ext'] = determine_ext(self._request_webpage( HEADRequest(fmt['url']), display_id, 'Resolving podcast file extension', 'Podcast URL is invalid').url) formats.append(fmt) elif post_type == 'video': formats, subtitles = self._extract_video_formats(webpage_info['post']['videoUpload']['id'], canonical_url) else: self.raise_no_formats(f'Page type "{post_type}" is not supported') return { 'id': str(webpage_info['post']['id']), 'formats': formats, 'subtitles': subtitles, 'title': traverse_obj(webpage_info, ('post', 'title')), 'description': traverse_obj(webpage_info, ('post', 'description')), 'thumbnail': traverse_obj(webpage_info, ('post', 'cover_image')), 'uploader': traverse_obj(webpage_info, ('pub', 'name')), 'uploader_id': str_or_none(traverse_obj(webpage_info, ('post', 'publication_id'))), 'webpage_url': canonical_url, }