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[ie/douyutv] Fix extractors (#7652)

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Closes #2494, Closes #7295
Authored by: c-basalt
pull/7216/head
c-basalt 1 year ago committed by GitHub
parent b3febedbeb
commit 21f40e75df
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277
yt_dlp/extractor/douyutv.py
Unescape Escape View File

@ -1,31 +1,72 @@
import time
import hashlib
import re
import urllib
import uuid
from .common import InfoExtractor
from .openload import PhantomJSwrapper
from ..utils import (
ExtractorError,
UserNotLive,
determine_ext,
int_or_none,
js_to_json,
parse_resolution,
str_or_none,
traverse_obj,
unescapeHTML,
unified_strdate,
url_or_none,
urlencode_postdata,
urljoin,
)
class DouyuTVIE(InfoExtractor):
IE_DESC = '斗鱼'
class DouyuBaseIE(InfoExtractor):
def _download_cryptojs_md5(self, video_id):
for url in [
'https://cdnjs.cloudflare.com/ajax/libs/crypto-js/3.1.2/rollups/md5.js',
'https://cdn.bootcdn.net/ajax/libs/crypto-js/3.1.2/rollups/md5.js',
]:
js_code = self._download_webpage(
url, video_id, note='Downloading signing dependency', fatal=False)
if js_code:
self.cache.store('douyu', 'crypto-js-md5', js_code)
return js_code
raise ExtractorError('Unable to download JS dependency (crypto-js/md5)')
def _get_cryptojs_md5(self, video_id):
return self.cache.load('douyu', 'crypto-js-md5') or self._download_cryptojs_md5(video_id)
def _calc_sign(self, sign_func, video_id, a):
b = uuid.uuid4().hex
c = round(time.time())
js_script = f'{self._get_cryptojs_md5(video_id)};{sign_func};console.log(ub98484234("{a}","{b}","{c}"))'
phantom = PhantomJSwrapper(self)
result = phantom.execute(js_script, video_id,
note='Executing JS signing script').strip()
return {i: v[0] for i, v in urllib.parse.parse_qs(result).items()}
def _search_js_sign_func(self, webpage, fatal=True):
# The greedy look-behind ensures last possible script tag is matched
return self._search_regex(
r'(?:<script.*)?<script[^>]*>(.*?ub98484234.*?)</script>', webpage, 'JS sign func', fatal=fatal)
class DouyuTVIE(DouyuBaseIE):
IE_DESC = '斗鱼直播'
_VALID_URL = r'https?://(?:www\.)?douyu(?:tv)?\.com/(topic/\w+\?rid=|(?:[^/]+/))*(?P<id>[A-Za-z0-9]+)'
_TESTS = [{
'url': 'http://www.douyutv.com/iseven',
'url': 'https://www.douyu.com/pigff',
'info_dict': {
'id': '17732',
'display_id': 'iseven',
'ext': 'flv',
'title': 're:^清晨醒脑！根本停不下来！ [0-9]{4}-[0-9]{2}-[0-9]{2} [0-9]{2}:[0-9]{2}$',
'description': r're:.*m7show@163\.com.*',
'thumbnail': r're:^https?://.*\.png',
'uploader': '7师傅',
'id': '24422',
'display_id': 'pigff',
'ext': 'mp4',
'title': 're:^【PIGFF】.* [0-9]{4}-[0-9]{2}-[0-9]{2} [0-9]{2}:[0-9]{2}$',
'description': r'≥15级牌子看鱼吧置顶帖进粉丝vx群',
'thumbnail': str,
'uploader': 'pigff',
'is_live': True,
'live_status': 'is_live',
},
'params': {
'skip_download': True,
@ -85,15 +126,43 @@ class DouyuTVIE(InfoExtractor):
'only_matching': True,
}]
def _get_sign_func(self, room_id, video_id):
return self._download_json(
f'https://www.douyu.com/swf_api/homeH5Enc?rids={room_id}', video_id,
note='Getting signing script')['data'][f'room{room_id}']
def _extract_stream_formats(self, stream_formats):
formats = []
for stream_info in traverse_obj(stream_formats, (..., 'data')):
stream_url = urljoin(
traverse_obj(stream_info, 'rtmp_url'), traverse_obj(stream_info, 'rtmp_live'))
if stream_url:
rate_id = traverse_obj(stream_info, ('rate', {int_or_none}))
rate_info = traverse_obj(stream_info, ('multirates', lambda _, v: v['rate'] == rate_id), get_all=False)
ext = determine_ext(stream_url)
formats.append({
'url': stream_url,
'format_id': str_or_none(rate_id),
'ext': 'mp4' if ext == 'm3u8' else ext,
'protocol': 'm3u8_native' if ext == 'm3u8' else 'https',
'quality': rate_id % -10000 if rate_id is not None else None,
**traverse_obj(rate_info, {
'format': ('name', {str_or_none}),
'tbr': ('bit', {int_or_none}),
}),
})
return formats
def _real_extract(self, url):
video_id = self._match_id(url)
if video_id.isdigit():
room_id = video_id
else:
page = self._download_webpage(url, video_id)
room_id = self._html_search_regex(
r'"room_id\\?"\s*:\s*(\d+),', page, 'room id')
webpage = self._download_webpage(url, video_id)
room_id = self._search_regex(r'\$ROOM\.room_id\s*=\s*(\d+)', webpage, 'room id')
if self._search_regex(r'"videoLoop"\s*:\s*(\d+)', webpage, 'loop', default='') == '1':
raise UserNotLive('The channel is auto-playing VODs', video_id=video_id)
if self._search_regex(r'\$ROOM\.show_status\s*=\s*(\d+)', webpage, 'status', default='') == '2':
raise UserNotLive(video_id=video_id)
# Grab metadata from API
params = {
@ -102,110 +171,136 @@ class DouyuTVIE(InfoExtractor):
'time': int(time.time()),
}
params['auth'] = hashlib.md5(
f'room/{video_id}?{urllib.parse.urlencode(params)}zNzMV1y4EMxOHS6I5WKm'.encode()).hexdigest()
room = self._download_json(
f'room/{room_id}?{urllib.parse.urlencode(params)}zNzMV1y4EMxOHS6I5WKm'.encode()).hexdigest()
room = traverse_obj(self._download_json(
f'http://www.douyutv.com/api/v1/room/{room_id}', video_id,
note='Downloading room info', query=params)['data']
note='Downloading room info', query=params, fatal=False), 'data')
# 1 = live, 2 = offline
if room.get('show_status') == '2':
raise ExtractorError('Live stream is offline', expected=True)
if traverse_obj(room, 'show_status') == '2':
raise UserNotLive(video_id=video_id)
video_url = urljoin('https://hls3-akm.douyucdn.cn/', self._search_regex(r'(live/.*)', room['hls_url'], 'URL'))
formats, subs = self._extract_m3u8_formats_and_subtitles(video_url, room_id)
js_sign_func = self._search_js_sign_func(webpage, fatal=False) or self._get_sign_func(room_id, video_id)
form_data = {
'rate': 0,
**self._calc_sign(js_sign_func, video_id, room_id),
}
stream_formats = [self._download_json(
f'https://www.douyu.com/lapi/live/getH5Play/{room_id}',
video_id, note="Downloading livestream format",
data=urlencode_postdata(form_data))]
title = unescapeHTML(room['room_name'])
description = room.get('show_details')
thumbnail = room.get('room_src')
uploader = room.get('nickname')
for rate_id in traverse_obj(stream_formats[0], ('data', 'multirates', ..., 'rate')):
if rate_id != traverse_obj(stream_formats[0], ('data', 'rate')):
form_data['rate'] = rate_id
stream_formats.append(self._download_json(
f'https://www.douyu.com/lapi/live/getH5Play/{room_id}',
video_id, note=f'Downloading livestream format {rate_id}',
data=urlencode_postdata(form_data)))
return {
'id': room_id,
'display_id': video_id,
'title': title,
'description': description,
'thumbnail': thumbnail,
'uploader': uploader,
'formats': self._extract_stream_formats(stream_formats),
'is_live': True,
'subtitles': subs,
'formats': formats,
**traverse_obj(room, {
'display_id': ('url', {str}, {lambda i: i[1:]}),
'title': ('room_name', {unescapeHTML}),
'description': ('show_details', {str}),
'uploader': ('nickname', {str}),
'thumbnail': ('room_src', {url_or_none}),
})
}
class DouyuShowIE(InfoExtractor):
class DouyuShowIE(DouyuBaseIE):
_VALID_URL = r'https?://v(?:mobile)?\.douyu\.com/show/(?P<id>[0-9a-zA-Z]+)'
_TESTS = [{
'url': 'https://v.douyu.com/show/rjNBdvnVXNzvE2yw',
'md5': '0c2cfd068ee2afe657801269b2d86214',
'url': 'https://v.douyu.com/show/mPyq7oVNe5Yv1gLY',
'info_dict': {
'id': 'rjNBdvnVXNzvE2yw',
'id': 'mPyq7oVNe5Yv1gLY',
'ext': 'mp4',
'title': '陈一发儿：砒霜 我有个室友系列！04-01 22点场',
'duration': 7150.08,
'thumbnail': r're:^https?://.*\.jpg$',
'uploader': '陈一发儿',
'uploader_id': 'XrZwYelr5wbK',
'uploader_url': 'https://v.douyu.com/author/XrZwYelr5wbK',
'upload_date': '20170402',
'title': '四川人小时候的味道“蒜苗回锅肉”，传统菜不能丢，要常做来吃',
'duration': 633,
'thumbnail': str,
'uploader': '美食作家王刚V',
'uploader_id': 'OVAO4NVx1m7Q',
'timestamp': 1661850002,
'upload_date': '20220830',
'view_count': int,
'tags': ['美食', '美食综合'],
},
}, {
'url': 'https://vmobile.douyu.com/show/rjNBdvnVXNzvE2yw',
'only_matching': True,
}]
_FORMATS = {
'super': '原画',
'high': '超清',
'normal': '高清',
}
_QUALITIES = {
'super': -1,
'high': -2,
'normal': -3,
}
_RESOLUTIONS = {
'super': '1920x1080',
'high': '1280x720',
'normal': '852x480',
}
def _real_extract(self, url):
url = url.replace('vmobile.', 'v.')
video_id = self._match_id(url)
webpage = self._download_webpage(url, video_id)
room_info = self._parse_json(self._search_regex(
r'var\s+\$ROOM\s*=\s*({.+});', webpage, 'room info'), video_id)
video_info = None
for trial in range(5):
# Sometimes Douyu rejects our request. Let's try it more times
try:
video_info = self._download_json(
'https://vmobile.douyu.com/video/getInfo', video_id,
query={'vid': video_id},
headers={
'Referer': url,
'x-requested-with': 'XMLHttpRequest',
})
break
except ExtractorError:
self._sleep(1, video_id)
if not video_info:
raise ExtractorError('Can\'t fetch video info')
formats = self._extract_m3u8_formats(
video_info['data']['video_url'], video_id,
entry_protocol='m3u8_native', ext='mp4')
upload_date = unified_strdate(self._html_search_regex(
r'<em>上传时间：</em><span>([^<]+)</span>', webpage,
'upload date', fatal=False))
uploader = uploader_id = uploader_url = None
mobj = re.search(
r'(?m)<a[^>]+href="/author/([0-9a-zA-Z]+)".+?<strong[^>]+title="([^"]+)"',
webpage)
if mobj:
uploader_id, uploader = mobj.groups()
uploader_url = urljoin(url, '/author/' + uploader_id)
video_info = self._search_json(
r'<script>\s*window\.\$DATA\s*=', webpage,
'video info', video_id, transform_source=js_to_json)
js_sign_func = self._search_js_sign_func(webpage)
form_data = {
'vid': video_id,
**self._calc_sign(js_sign_func, video_id, video_info['ROOM']['point_id']),
}
url_info = self._download_json(
'https://v.douyu.com/api/stream/getStreamUrl', video_id,
data=urlencode_postdata(form_data), note="Downloading video formats")
formats = []
for name, url in traverse_obj(url_info, ('data', 'thumb_video', {dict.items}, ...)):
video_url = traverse_obj(url, ('url', {url_or_none}))
if video_url:
ext = determine_ext(video_url)
formats.append({
'format': self._FORMATS.get(name),
'format_id': name,
'url': video_url,
'quality': self._QUALITIES.get(name),
'ext': 'mp4' if ext == 'm3u8' else ext,
'protocol': 'm3u8_native' if ext == 'm3u8' else 'https',
**parse_resolution(self._RESOLUTIONS.get(name))
})
else:
self.to_screen(
f'"{self._FORMATS.get(name, name)}" format may require logging in. {self._login_hint()}')
return {
'id': video_id,
'title': room_info['name'],
'formats': formats,
'duration': room_info.get('duration'),
'thumbnail': room_info.get('pic'),
'upload_date': upload_date,
'uploader': uploader,
'uploader_id': uploader_id,
'uploader_url': uploader_url,
**traverse_obj(video_info, ('DATA', {
'title': ('content', 'title', {str}),
'uploader': ('content', 'author', {str}),
'uploader_id': ('content', 'up_id', {str_or_none}),
'duration': ('content', 'video_duration', {int_or_none}),
'thumbnail': ('content', 'video_pic', {url_or_none}),
'timestamp': ('content', 'create_time', {int_or_none}),
'view_count': ('content', 'view_num', {int_or_none}),
'tags': ('videoTag', ..., 'tagName', {str}),
}))
}

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