yt-dlp/yt_dlp/extractor/ximalaya.py

247 lines
9.4 KiB
Python

import base64
import math
import time
from .common import InfoExtractor
from .videa import VideaIE
from ..utils import (
InAdvancePagedList,
int_or_none,
str_or_none,
traverse_obj,
try_call,
update_url_query,
)
class XimalayaBaseIE(InfoExtractor):
_GEO_COUNTRIES = ['CN']
class XimalayaIE(XimalayaBaseIE):
IE_NAME = 'ximalaya'
IE_DESC = '喜马拉雅FM'
_VALID_URL = r'https?://(?:www\.|m\.)?ximalaya\.com/(?:(?P<uid>\d+)/)?sound/(?P<id>[0-9]+)'
_TESTS = [
{
'url': 'http://www.ximalaya.com/sound/47740352/',
'info_dict': {
'id': '47740352',
'ext': 'm4a',
'uploader': '小彬彬爱听书',
'uploader_id': '61425525',
'uploader_url': 'http://www.ximalaya.com/zhubo/61425525/',
'title': '261.唐诗三百首.卷八.送孟浩然之广陵.李白',
'description': 'contains:《送孟浩然之广陵》\n作者:李白\n故人西辞黄鹤楼,烟花三月下扬州。\n孤帆远影碧空尽,惟见长江天际流。',
'thumbnail': r're:^https?://.*\.jpg',
'thumbnails': [
{
'name': 'cover_url',
'url': r're:^https?://.*\.jpg',
},
{
'name': 'cover_url_142',
'url': r're:^https?://.*\.jpg',
'width': 180,
'height': 180,
},
],
'categories': ['其他'],
'duration': 93,
'view_count': int,
'like_count': int,
},
},
{
'url': 'http://m.ximalaya.com/61425525/sound/47740352/',
'info_dict': {
'id': '47740352',
'ext': 'm4a',
'uploader': '小彬彬爱听书',
'uploader_id': '61425525',
'uploader_url': 'http://www.ximalaya.com/zhubo/61425525/',
'title': '261.唐诗三百首.卷八.送孟浩然之广陵.李白',
'description': 'contains:《送孟浩然之广陵》\n作者:李白\n故人西辞黄鹤楼,烟花三月下扬州。\n孤帆远影碧空尽,惟见长江天际流。',
'thumbnail': r're:^https?://.*\.jpg',
'thumbnails': [
{
'name': 'cover_url',
'url': r're:^https?://.*\.jpg',
},
{
'name': 'cover_url_142',
'url': r're:^https?://.*\.jpg',
'width': 180,
'height': 180,
},
],
'categories': ['人文'],
'duration': 93,
'view_count': int,
'like_count': int,
},
},
{
# VIP-restricted audio
'url': 'https://www.ximalaya.com/sound/562111701',
'only_matching': True,
},
]
@staticmethod
def _decrypt_filename(file_id, seed):
cgstr = ''
key = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ/\\:._-1234567890'
for _ in key:
seed = float(int(211 * seed + 30031) % 65536)
r = int(seed / 65536 * len(key))
cgstr += key[r]
key = key.replace(key[r], '')
parts = file_id.split('*')
filename = ''.join(cgstr[int(part)] for part in parts if part.isdecimal())
if not filename.startswith('/'):
filename = '/' + filename
return filename
@staticmethod
def _decrypt_url_params(encrypted_params):
params = VideaIE.rc4(
base64.b64decode(encrypted_params), 'xkt3a41psizxrh9l').split('-')
# sign, token, timestamp
return params[1], params[2], params[3]
def _real_extract(self, url):
scheme = 'https' if url.startswith('https') else 'http'
audio_id = self._match_id(url)
audio_info = self._download_json(
f'{scheme}://m.ximalaya.com/tracks/{audio_id}.json', audio_id,
'Downloading info json', 'Unable to download info file')
formats = []
# NOTE: VIP-restricted audio
if audio_info.get('is_paid'):
ts = int(time.time())
vip_info = self._download_json(
f'{scheme}://mpay.ximalaya.com/mobile/track/pay/{audio_id}/{ts}',
audio_id, 'Downloading VIP info json', 'Unable to download VIP info file',
query={'device': 'pc', 'isBackend': 'true', '_': ts})
filename = self._decrypt_filename(vip_info['fileId'], vip_info['seed'])
sign, token, timestamp = self._decrypt_url_params(vip_info['ep'])
vip_url = update_url_query(
f'{vip_info["domain"]}/download/{vip_info["apiVersion"]}{filename}', {
'sign': sign,
'token': token,
'timestamp': timestamp,
'buy_key': vip_info['buyKey'],
'duration': vip_info['duration'],
})
fmt = {
'format_id': 'vip',
'url': vip_url,
'vcodec': 'none',
}
if '_preview_' in vip_url:
self.report_warning(
f'This tracks requires a VIP account. Using a sample instead. {self._login_hint()}')
fmt.update({
'format_note': 'Sample',
'preference': -10,
**traverse_obj(vip_info, {
'filesize': ('sampleLength', {int_or_none}),
'duration': ('sampleDuration', {int_or_none}),
}),
})
else:
fmt.update(traverse_obj(vip_info, {
'filesize': ('totalLength', {int_or_none}),
'duration': ('duration', {int_or_none}),
}))
fmt['abr'] = try_call(lambda: fmt['filesize'] * 8 / fmt['duration'] / 1024)
formats.append(fmt)
formats.extend([{
'format_id': f'{bps}k',
'url': audio_info[k],
'abr': bps,
'vcodec': 'none',
} for bps, k in ((24, 'play_path_32'), (64, 'play_path_64')) if audio_info.get(k)])
thumbnails = []
for k in audio_info:
# cover pics kyes like: cover_url', 'cover_url_142'
if k.startswith('cover_url'):
thumbnail = {'name': k, 'url': audio_info[k]}
if k == 'cover_url_142':
thumbnail['width'] = 180
thumbnail['height'] = 180
thumbnails.append(thumbnail)
audio_uploader_id = audio_info.get('uid')
audio_description = try_call(
lambda: audio_info['intro'].replace('\r\n\r\n\r\n ', '\n').replace('\r\n', '\n'))
return {
'id': audio_id,
'uploader': audio_info.get('nickname'),
'uploader_id': str_or_none(audio_uploader_id),
'uploader_url': f'{scheme}://www.ximalaya.com/zhubo/{audio_uploader_id}/' if audio_uploader_id else None,
'title': audio_info['title'],
'thumbnails': thumbnails,
'description': audio_description,
'categories': list(filter(None, [audio_info.get('category_name')])),
'duration': audio_info.get('duration'),
'view_count': audio_info.get('play_count'),
'like_count': audio_info.get('favorites_count'),
'formats': formats,
}
class XimalayaAlbumIE(XimalayaBaseIE):
IE_NAME = 'ximalaya:album'
IE_DESC = '喜马拉雅FM 专辑'
_VALID_URL = r'https?://(?:www\.|m\.)?ximalaya\.com/(?:\d+/)?album/(?P<id>[0-9]+)'
_TESTS = [{
'url': 'http://www.ximalaya.com/61425525/album/5534601/',
'info_dict': {
'title': '唐诗三百首(含赏析)',
'id': '5534601',
},
'playlist_mincount': 323,
}, {
'url': 'https://www.ximalaya.com/album/6912905',
'info_dict': {
'title': '埃克哈特《修炼当下的力量》',
'id': '6912905',
},
'playlist_mincount': 41,
}]
def _real_extract(self, url):
playlist_id = self._match_id(url)
first_page = self._fetch_page(playlist_id, 1)
page_count = math.ceil(first_page['trackTotalCount'] / first_page['pageSize'])
entries = InAdvancePagedList(
lambda idx: self._get_entries(self._fetch_page(playlist_id, idx + 1) if idx else first_page),
page_count, first_page['pageSize'])
title = traverse_obj(first_page, ('tracks', 0, 'albumTitle'), expected_type=str)
return self.playlist_result(entries, playlist_id, title)
def _fetch_page(self, playlist_id, page_idx):
return self._download_json(
'https://www.ximalaya.com/revision/album/v1/getTracksList',
playlist_id, note=f'Downloading tracks list page {page_idx}',
query={'albumId': playlist_id, 'pageNum': page_idx})['data']
def _get_entries(self, page_data):
for e in page_data['tracks']:
yield self.url_result(
self._proto_relative_url(f'//www.ximalaya.com{e["url"]}'),
XimalayaIE, e.get('trackId'), e.get('title'))