youtube-dl/youtube_dl/extractor/letv.py

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# coding: utf-8
from __future__ import unicode_literals
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import datetime
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import re
import time
from .common import InfoExtractor
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from ..compat import (
compat_urllib_parse,
compat_urllib_request,
compat_ord,
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)
from ..utils import (
determine_ext,
ExtractorError,
parse_iso8601,
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int_or_none,
encode_data_uri,
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)
class LetvIE(InfoExtractor):
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IE_DESC = '乐视网'
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_VALID_URL = r'http://www\.letv\.com/ptv/vplay/(?P<id>\d+).html'
_TESTS = [{
'url': 'http://www.letv.com/ptv/vplay/22005890.html',
'md5': 'edadcfe5406976f42f9f266057ee5e40',
'info_dict': {
'id': '22005890',
'ext': 'mp4',
'title': '第87届奥斯卡颁奖礼完美落幕 《鸟人》成最大赢家',
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'description': 'md5:a9cb175fd753e2962176b7beca21a47c',
},
'params': {
'hls_prefer_native': True,
},
}, {
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'url': 'http://www.letv.com/ptv/vplay/1415246.html',
'info_dict': {
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'id': '1415246',
'ext': 'mp4',
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'title': '美人天下01',
'description': 'md5:f88573d9d7225ada1359eaf0dbf8bcda',
},
'params': {
'hls_prefer_native': True,
},
}, {
'note': 'This video is available only in Mainland China, thus a proxy is needed',
'url': 'http://www.letv.com/ptv/vplay/1118082.html',
'md5': '2424c74948a62e5f31988438979c5ad1',
'info_dict': {
'id': '1118082',
'ext': 'mp4',
'title': '与龙共舞 完整版',
'description': 'md5:7506a5eeb1722bb9d4068f85024e3986',
},
'params': {
'hls_prefer_native': True,
},
'skip': 'Only available in China',
}]
@staticmethod
def urshift(val, n):
return val >> n if val >= 0 else (val + 0x100000000) >> n
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# ror() and calc_time_key() are reversed from a embedded swf file in KLetvPlayer.swf
def ror(self, param1, param2):
_loc3_ = 0
while _loc3_ < param2:
param1 = self.urshift(param1, 1) + ((param1 & 1) << 31)
_loc3_ += 1
return param1
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def calc_time_key(self, param1):
_loc2_ = 773625421
_loc3_ = self.ror(param1, _loc2_ % 13)
_loc3_ = _loc3_ ^ _loc2_
_loc3_ = self.ror(_loc3_, _loc2_ % 17)
return _loc3_
# see M3U8Encryption class in KLetvPlayer.swf
@staticmethod
def decrypt_m3u8(encrypted_data):
if encrypted_data[:5].decode('utf-8').lower() != 'vc_01':
return encrypted_data
encrypted_data = encrypted_data[5:]
_loc4_ = bytearray()
while encrypted_data:
b = compat_ord(encrypted_data[0])
_loc4_.extend([b // 16, b & 0x0f])
encrypted_data = encrypted_data[1:]
idx = len(_loc4_) - 11
_loc4_ = _loc4_[idx:] + _loc4_[:idx]
_loc7_ = bytearray()
while _loc4_:
_loc7_.append(_loc4_[0] * 16 + _loc4_[1])
_loc4_ = _loc4_[2:]
return bytes(_loc7_)
def _real_extract(self, url):
media_id = self._match_id(url)
page = self._download_webpage(url, media_id)
params = {
'id': media_id,
'platid': 1,
'splatid': 101,
'format': 1,
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'tkey': self.calc_time_key(int(time.time())),
'domain': 'www.letv.com'
}
play_json_req = compat_urllib_request.Request(
'http://api.letv.com/mms/out/video/playJson?' + compat_urllib_parse.urlencode(params)
)
cn_verification_proxy = self._downloader.params.get('cn_verification_proxy')
if cn_verification_proxy:
play_json_req.add_header('Ytdl-request-proxy', cn_verification_proxy)
play_json = self._download_json(
play_json_req,
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media_id, 'Downloading playJson data')
# Check for errors
playstatus = play_json['playstatus']
if playstatus['status'] == 0:
flag = playstatus['flag']
if flag == 1:
msg = 'Country %s auth error' % playstatus['country']
else:
msg = 'Generic error. flag = %d' % flag
raise ExtractorError(msg, expected=True)
playurl = play_json['playurl']
formats = ['350', '1000', '1300', '720p', '1080p']
dispatch = playurl['dispatch']
urls = []
for format_id in formats:
if format_id in dispatch:
media_url = playurl['domain'][0] + dispatch[format_id][0]
media_url += '&' + compat_urllib_parse.urlencode({
'm3v': 1,
'format': 1,
'expect': 3,
'rateid': format_id,
})
nodes_data = self._download_json(
media_url, media_id,
'Download JSON metadata for format %s' % format_id)
req = self._request_webpage(
nodes_data['nodelist'][0]['location'], media_id,
note='Downloading m3u8 information for format %s' % format_id)
m3u8_data = self.decrypt_m3u8(req.read())
url_info_dict = {
'url': encode_data_uri(m3u8_data, 'application/vnd.apple.mpegurl'),
'ext': determine_ext(dispatch[format_id][1]),
'format_id': format_id,
'protocol': 'm3u8',
}
if format_id[-1:] == 'p':
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url_info_dict['height'] = int_or_none(format_id[:-1])
urls.append(url_info_dict)
publish_time = parse_iso8601(self._html_search_regex(
r'发布时间&nbsp;([^<>]+) ', page, 'publish time', default=None),
delimiter=' ', timezone=datetime.timedelta(hours=8))
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description = self._html_search_meta('description', page, fatal=False)
return {
'id': media_id,
'formats': urls,
'title': playurl['title'],
'thumbnail': playurl['pic'],
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'description': description,
'timestamp': publish_time,
}
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class LetvTvIE(InfoExtractor):
_VALID_URL = r'http://www.letv.com/tv/(?P<id>\d+).html'
_TESTS = [{
'url': 'http://www.letv.com/tv/46177.html',
'info_dict': {
'id': '46177',
'title': '美人天下',
'description': 'md5:395666ff41b44080396e59570dbac01c'
},
'playlist_count': 35
}]
def _real_extract(self, url):
playlist_id = self._match_id(url)
page = self._download_webpage(url, playlist_id)
media_urls = list(set(re.findall(
r'http://www.letv.com/ptv/vplay/\d+.html', page)))
entries = [self.url_result(media_url, ie='Letv')
for media_url in media_urls]
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title = self._html_search_meta('keywords', page,
fatal=False).split('')[0]
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description = self._html_search_meta('description', page, fatal=False)
return self.playlist_result(entries, playlist_id, playlist_title=title,
playlist_description=description)
class LetvPlaylistIE(LetvTvIE):
_VALID_URL = r'http://tv.letv.com/[a-z]+/(?P<id>[a-z]+)/index.s?html'
_TESTS = [{
'url': 'http://tv.letv.com/izt/wuzetian/index.html',
'info_dict': {
'id': 'wuzetian',
'title': '武媚娘传奇',
'description': 'md5:e12499475ab3d50219e5bba00b3cb248'
},
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# This playlist contains some extra videos other than the drama itself
'playlist_mincount': 96
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}, {
'url': 'http://tv.letv.com/pzt/lswjzzjc/index.shtml',
'info_dict': {
'id': 'lswjzzjc',
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# The title should be "劲舞青春", but I can't find a simple way to
# determine the playlist title
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'title': '乐视午间自制剧场',
'description': 'md5:b1eef244f45589a7b5b1af9ff25a4489'
},
'playlist_mincount': 7
}]