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# coding: utf-8
from __future__ import unicode_literals
import base64
from .common import InfoExtractor
from ..utils import ExtractorError
from ..compat import (
compat_urllib_parse,
compat_ord,
compat_urllib_request,
)
class YoukuIE(InfoExtractor):
IE_NAME = 'youku'
IE_DESC = '优酷'
_VALID_URL = r'''(?x)
(?:
http://(?:v|player)\.youku\.com/(?:v_show/id_|player\.php/sid/)|
youku:)
(?P<id>[A-Za-z0-9]+)(?:\.html|/v\.swf|)
'''
_TESTS = [{
'url': 'http://v.youku.com/v_show/id_XMTc1ODE5Njcy.html',
'md5': '5f3af4192eabacc4501508d54a8cabd7',
'info_dict': {
'id': 'XMTc1ODE5Njcy_part1',
'title': '★Smile﹗♡ Git Fresh -Booty Music舞蹈.',
'ext': 'flv'
}
}, {
'url': 'http://player.youku.com/player.php/sid/XNDgyMDQ2NTQw/v.swf',
'only_matching': True,
}, {
'url': 'http://v.youku.com/v_show/id_XODgxNjg1Mzk2_ev_1.html',
'info_dict': {
'id': 'XODgxNjg1Mzk2',
'title': '武媚娘传奇 85',
},
'playlist_count': 11,
}, {
'url': 'http://v.youku.com/v_show/id_XMTI1OTczNDM5Mg==.html',
'info_dict': {
'id': 'XMTI1OTczNDM5Mg',
'title': '花千骨 04',
},
'playlist_count': 13,
'skip': 'Available in China only',
}]
def construct_video_urls(self, data1, data2):
# get sid, token
def yk_t(s1, s2):
ls = list(range(256))
t = 0
for i in range(256):
t = (t + ls[i] + compat_ord(s1[i % len(s1)])) % 256
ls[i], ls[t] = ls[t], ls[i]
s = bytearray()
x, y = 0, 0
for i in range(len(s2)):
y = (y + 1) % 256
x = (x + ls[y]) % 256
ls[x], ls[y] = ls[y], ls[x]
s.append(compat_ord(s2[i]) ^ ls[(ls[x] + ls[y]) % 256])
return bytes(s)
sid, token = yk_t(
b'becaf9be', base64.b64decode(data2['ep'].encode('ascii'))
).decode('ascii').split('_')
# get oip
oip = data2['ip']
# get fileid
string_ls = list(
'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ/\:._-1234567890')
shuffled_string_ls = []
seed = data1['seed']
N = len(string_ls)
for ii in range(N):
seed = (seed * 0xd3 + 0x754f) % 0x10000
idx = seed * len(string_ls) // 0x10000
shuffled_string_ls.append(string_ls[idx])
del string_ls[idx]
fileid_dict = {}
for format in data1['streamtypes']:
streamfileid = [
int(i) for i in data1['streamfileids'][format].strip('*').split('*')]
fileid = ''.join(
[shuffled_string_ls[i] for i in streamfileid])
fileid_dict[format] = fileid[:8] + '%s' + fileid[10:]
def get_fileid(format, n):
fileid = fileid_dict[format] % hex(int(n))[2:].upper().zfill(2)
return fileid
# get ep
def generate_ep(format, n):
fileid = get_fileid(format, n)
ep_t = yk_t(
b'bf7e5f01',
('%s_%s_%s' % (sid, fileid, token)).encode('ascii')
)
ep = base64.b64encode(ep_t).decode('ascii')
return ep
# generate video_urls
video_urls_dict = {}
for format in data1['streamtypes']:
video_urls = []
for dt in data1['segs'][format]:
n = str(int(dt['no']))
param = {
'K': dt['k'],
'hd': self.get_hd(format),
'myp': 0,
'ts': dt['seconds'],
'ypp': 0,
'ctype': 12,
'ev': 1,
'token': token,
'oip': oip,
'ep': generate_ep(format, n)
}
video_url = \
'http://k.youku.com/player/getFlvPath/' + \
'sid/' + sid + \
'_' + str(int(n) + 1).zfill(2) + \
'/st/' + self.parse_ext_l(format) + \
'/fileid/' + get_fileid(format, n) + '?' + \
compat_urllib_parse.urlencode(param)
video_urls.append(video_url)
video_urls_dict[format] = video_urls
return video_urls_dict
def get_hd(self, fm):
hd_id_dict = {
'flv': '0',
'mp4': '1',
'hd2': '2',
'hd3': '3',
'3gp': '0',
'3gphd': '1'
}
return hd_id_dict[fm]
def parse_ext_l(self, fm):
ext_dict = {
'flv': 'flv',
'mp4': 'mp4',
'hd2': 'flv',
'hd3': 'flv',
'3gp': 'flv',
'3gphd': 'mp4'
}
return ext_dict[fm]
def get_format_name(self, fm):
_dict = {
'3gp': 'h6',
'3gphd': 'h5',
'flv': 'h4',
'mp4': 'h3',
'hd2': 'h2',
'hd3': 'h1'
}
return _dict[fm]
def _real_extract(self, url):
video_id = self._match_id(url)
def retrieve_data(req_url, note):
req = compat_urllib_request.Request(req_url)
cn_verification_proxy = self._downloader.params.get('cn_verification_proxy')
if cn_verification_proxy:
req.add_header('Ytdl-request-proxy', cn_verification_proxy)
raw_data = self._download_json(req, video_id, note=note)
return raw_data['data'][0]
# request basic data
data1 = retrieve_data(
'http://v.youku.com/player/getPlayList/VideoIDS/%s' % video_id,
'Downloading JSON metadata 1')
data2 = retrieve_data(
'http://v.youku.com/player/getPlayList/VideoIDS/%s/Pf/4/ctype/12/ev/1' % video_id,
'Downloading JSON metadata 2')
error_code = data1.get('error_code')
if error_code:
error = data1.get('error')
if error is not None and '因版权原因无法观看此视频' in error:
raise ExtractorError(
'Youku said: Sorry, this video is available in China only', expected=True)
else:
msg = 'Youku server reported error %i' % error_code
if error is not None:
msg += ': ' + error
raise ExtractorError(msg)
title = data1['title']
# generate video_urls_dict
video_urls_dict = self.construct_video_urls(data1, data2)
# construct info
entries = [{
'id': '%s_part%d' % (video_id, i + 1),
'title': title,
'formats': [],
# some formats are not available for all parts, we have to detect
# which one has all
} for i in range(max(len(v) for v in data1['segs'].values()))]
for fm in data1['streamtypes']:
video_urls = video_urls_dict[fm]
for video_url, seg, entry in zip(video_urls, data1['segs'][fm], entries):
entry['formats'].append({
'url': video_url,
'format_id': self.get_format_name(fm),
'ext': self.parse_ext_l(fm),
'filesize': int(seg['size']),
})
return {
'_type': 'multi_video',
'id': video_id,
'title': title,
'entries': entries,
}
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