yt-dlp/yt_dlp/extractor/substack.py
2022-06-18 17:08:53 -07:00

101 lines
4.1 KiB
Python

import re
import urllib.parse
from .common import InfoExtractor
from ..utils import str_or_none, traverse_obj
class SubstackIE(InfoExtractor):
_VALID_URL = r'https?://(?P<username>[\w-]+)\.substack\.com/p/(?P<id>[\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': 'md5:10c01ff93439a62e70ce963b2aa0b7f6',
'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',
}
}]
@classmethod
def _extract_url(cls, webpage, url):
if not re.search(r'<script[^>]+src=["\']https://substackcdn.com/[^"\']+\.js', webpage):
return
mobj = re.search(r'{[^}]*["\']subdomain["\']\s*:\s*["\'](?P<subdomain>[^"]+)', webpage)
if mobj:
parsed = urllib.parse.urlparse(url)
return parsed._replace(netloc=f'{mobj.group("subdomain")}.substack.com').geturl()
def _extract_video_formats(self, video_id, username):
formats, subtitles = [], {}
for video_format in ('hls', 'mp4'):
video_url = f'https://{username}.substack.com/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._search_json(r'<script[^>]*>\s*window\._preloads\s*=', webpage, 'preloads', display_id)
post_type = webpage_info['post']['type']
formats, subtitles = [], {}
if post_type == 'podcast':
formats, subtitles = [{'url': webpage_info['post']['podcast_url']}], {}
elif post_type == 'video':
formats, subtitles = self._extract_video_formats(webpage_info['post']['videoUpload']['id'], username)
else:
self.raise_no_formats(f'Page type "{post_type}" is not supported')
self._sort_formats(formats)
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'))),
}