mirror of
				https://github.com/yt-dlp/yt-dlp.git
				synced 2025-11-04 00:25:15 +00:00 
			
		
		
		
	Merge branch 'youku' of https://github.com/PeterDing/youtube-dl into PeterDing-youku
This commit is contained in:
		@@ -1,123 +1,230 @@
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# coding: utf-8
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from __future__ import unicode_literals
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import math
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import random
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import re
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import time
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import base64
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from .common import InfoExtractor
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from ..utils import (
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    ExtractorError,
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)
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from ..utils import ExtractorError
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from ..compat import compat_urllib_parse
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bytes_is_str = (bytes == str)  # for compatible
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class YoukuIE(InfoExtractor):
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    IE_NAME = 'youku'
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    _VALID_URL = r'''(?x)
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        (?:
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            http://(?:v|player)\.youku\.com/(?:v_show/id_|player\.php/sid/)|
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            youku:)
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        (?P<id>[A-Za-z0-9]+)(?:\.html|/v\.swf|)
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    '''
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    _TEST = {
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        'url': 'http://v.youku.com/v_show/id_XNDgyMDQ2NTQw.html',
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        'md5': 'ffe3f2e435663dc2d1eea34faeff5b5b',
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        'params': {
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            'test': False
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        },
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        'info_dict': {
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            'id': 'XNDgyMDQ2NTQw_part00',
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            'ext': 'flv',
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            'title': 'youtube-dl test video "\'/\\ä↭𝕐'
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        }
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            'url': 'http://v.youku.com/v_show/id_XMTc1ODE5Njcy.html',
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            'md5': '5f3af4192eabacc4501508d54a8cabd7',
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            'info_dict': {
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                'id': 'XMTc1ODE5Njcy',
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                'title': '★Smile﹗♡ Git Fresh -Booty Music舞蹈.',
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                'ext': 'flv'
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            }
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    }
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    def _gen_sid(self):
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        nowTime = int(time.time() * 1000)
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        random1 = random.randint(1000, 1998)
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        random2 = random.randint(1000, 9999)
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    def construct_video_urls(self, data1, data2):
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        # get sid, token
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        def yk_t(s1, s2):
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            ls = list(range(256))
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            t = 0
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            for i in range(256):
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                t = (t + ls[i] + ord(s1[i%len(s1)])) % 256
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                ls[i], ls[t] = ls[t], ls[i]
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            s = '' if not bytes_is_str else b''
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            x, y = 0, 0
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            for i in range(len(s2)):
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                y = (y + 1) % 256
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                x = (x + ls[y]) % 256
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                ls[x], ls[y] = ls[y], ls[x]
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                if isinstance(s2[i], int):
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                    s += chr(s2[i] ^ ls[(ls[x]+ls[y]) % 256])
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                else:
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                    s += chr(ord(s2[i]) ^ ls[(ls[x]+ls[y]) % 256])
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            return s
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        return "%d%d%d" % (nowTime, random1, random2)
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        sid, token = yk_t(
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            'becaf9be',
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            base64.b64decode(bytes(data2['ep'], 'ascii')) \
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                if not bytes_is_str \
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                else base64.b64decode(data2['ep'])
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        ).split('_')
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    def _get_file_ID_mix_string(self, seed):
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        mixed = []
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        source = list("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ/\:._-1234567890")
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        seed = float(seed)
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        for i in range(len(source)):
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            seed = (seed * 211 + 30031) % 65536
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            index = math.floor(seed / 65536 * len(source))
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            mixed.append(source[int(index)])
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            source.remove(source[int(index)])
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        # return ''.join(mixed)
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        return mixed
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        # get oip
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        oip = data2['ip']
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    def _get_file_id(self, fileId, seed):
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        mixed = self._get_file_ID_mix_string(seed)
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        ids = fileId.split('*')
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        realId = []
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        for ch in ids:
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            if ch:
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                realId.append(mixed[int(ch)])
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        return ''.join(realId)
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        # get fileid
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        string_ls = list(
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            'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ/\:._-1234567890')
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        shuffled_string_ls = []
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        seed = data1['seed']
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        N = len(string_ls)
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        for ii in range(N):
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            seed = (seed * 0xd3 + 0x754f) % 0x10000
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            idx = seed * len(string_ls) // 0x10000
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            shuffled_string_ls.append(string_ls[idx])
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            del string_ls[idx]
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        fileid_dict = {}
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        for format in data1['streamtypes']:
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            streamfileid = [
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                int(i) for i in data1['streamfileids'][format].strip('*').split('*')]
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            fileid = ''.join(
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                [shuffled_string_ls[i] for i in streamfileid])
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            fileid_dict[format] = fileid[:8] + '%s' + fileid[10:]
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        def get_fileid(format, n):
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            fileid = fileid_dict[format] % hex(int(n))[2:].upper().zfill(2)
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            return fileid
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        # get ep
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        def generate_ep(format, n):
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            fileid = get_fileid(format, n)
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            ep_t = yk_t(
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                'bf7e5f01',
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                bytes('%s_%s_%s' % (sid, fileid, token), 'ascii') \
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                if not bytes_is_str \
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                else ('%s_%s_%s' % (sid, fileid, token))
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            )
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            ep = base64.b64encode(
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                bytes(ep_t, 'latin') \
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                if not bytes_is_str \
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                else ep_t
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            ).decode()
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            return ep
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        # generate video_urls
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        video_urls_dict = {}
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        for format in data1['streamtypes']:
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            video_urls = []
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            for dt in data1['segs'][format]:
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                n = str(int(dt['no']))
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                param = {
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                    'K': dt['k'],
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                    'hd': self.get_hd(format),
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                    'myp': 0,
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                    'ts': dt['seconds'],
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                    'ypp': 0,
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                    'ctype': 12,
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                    'ev': 1,
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                    'token': token,
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                    'oip': oip,
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                    'ep': generate_ep(format, n)
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                }
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                video_url = \
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                    'http://k.youku.com/player/getFlvPath/' + \
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                    'sid/' + sid + \
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                    '_' + str(int(n)+1).zfill(2) + \
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                    '/st/' + self.parse_ext_l(format) + \
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                    '/fileid/' + get_fileid(format, n)  + '?' + \
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                    compat_urllib_parse.urlencode(param)
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                video_urls.append(video_url)
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            video_urls_dict[format] = video_urls
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        return video_urls_dict
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    def get_hd(self, fm):
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        hd_id_dict = {
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            'flv'   : '0',
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            'mp4'   : '1',
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            'hd2'   : '2',
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            'hd3'   : '3',
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            '3gp'   : '0',
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            '3gphd' : '1'
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        }
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        return hd_id_dict[fm]
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    def parse_ext_l(self, fm):
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        ext_dict = {
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            'flv'   : 'flv',
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            'mp4'   : 'mp4',
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            'hd2'   : 'flv',
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            'hd3'   : 'flv',
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            '3gp'   : 'flv',
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            '3gphd' : 'mp4'
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        }
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        return ext_dict[fm]
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    def get_format_name(self, fm):
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        _dict = {
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            '3gp'   : 'h6',
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            '3gphd' : 'h5',
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            'flv'   : 'h4',
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            'mp4'   : 'h3',
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            'hd2'   : 'h2',
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            'hd3'   : 'h1'
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        }
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        return _dict[fm]
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    def _real_extract(self, url):
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        mobj = re.match(self._VALID_URL, url)
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        video_id = mobj.group('id')
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        info_url = 'http://v.youku.com/player/getPlayList/VideoIDS/' + video_id
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        # request basic data
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        data1_url = 'http://v.youku.com/player/getPlayList/VideoIDS/%s' % video_id
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        data2_url = 'http://v.youku.com/player/getPlayList/VideoIDS/%s/Pf/4/ctype/12/ev/1' % video_id
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        config = self._download_json(info_url, video_id)
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        raw_data1 = self._download_json(data1_url, video_id)
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        raw_data2 = self._download_json(data2_url, video_id)
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        data1 = raw_data1['data'][0]
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        data2 = raw_data2['data'][0]
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        error_code = config['data'][0].get('error_code')
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        error_code = data1.get('error_code')
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        if error_code:
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            # -8 means blocked outside China.
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            error = config['data'][0].get('error')  # Chinese and English, separated by newline.
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            raise ExtractorError(error or 'Server reported error %i' % error_code,
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                                 expected=True)
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            # Chinese and English, separated by newline.
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            error = data1.get('error')
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            raise ExtractorError(
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                error or 'Server reported error %i' %
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                error_code,
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                expected=True)
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        video_title = config['data'][0]['title']
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        seed = config['data'][0]['seed']
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        title = data1['title']
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        format = self._downloader.params.get('format', None)
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        supported_format = list(config['data'][0]['streamfileids'].keys())
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        # generate video_urls_dict
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        video_urls_dict = self.construct_video_urls(data1, data2)
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        # TODO proper format selection
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        if format is None or format == 'best':
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            if 'hd2' in supported_format:
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                format = 'hd2'
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            else:
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                format = 'flv'
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            ext = 'flv'
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        elif format == 'worst':
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            format = 'mp4'
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            ext = 'mp4'
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        else:
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            format = 'flv'
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            ext = 'flv'
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        # construct info
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        entries = []
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        for fm in data1['streamtypes']:
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            #formats = []
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            video_urls = video_urls_dict[fm]
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            for i in range(len(video_urls)):
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                if len(entries) < i+1:
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                    entries.append({'formats': []})
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                entries[i]['formats'].append(
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                    {
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                        'url': video_urls[i],
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                        'format_id': self.get_format_name(fm),
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                        'ext': self.parse_ext_l(fm),
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                        'filesize': int(data1['segs'][fm][i]['size'])
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                    }
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                )
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        fileid = config['data'][0]['streamfileids'][format]
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        keys = [s['k'] for s in config['data'][0]['segs'][format]]
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        # segs is usually a dictionary, but an empty *list* if an error occured.
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        files_info = []
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        sid = self._gen_sid()
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        fileid = self._get_file_id(fileid, seed)
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        # column 8,9 of fileid represent the segment number
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        # fileid[7:9] should be changed
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        for index, key in enumerate(keys):
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            temp_fileid = '%s%02X%s' % (fileid[0:8], index, fileid[10:])
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            download_url = 'http://k.youku.com/player/getFlvPath/sid/%s_%02X/st/flv/fileid/%s?k=%s' % (sid, index, temp_fileid, key)
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        for i in range(len(entries)):
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            entries[i].update(
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                {
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                    'id': '_part%d' % (i+1),
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                    'title': title,
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                }
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            )
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        if len(entries) > 1:
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            info = {
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                'id': '%s_part%02d' % (video_id, index),
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                'url': download_url,
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                'uploader': None,
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                'upload_date': None,
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                'title': video_title,
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                'ext': ext,
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                '_type': 'multi_video',
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                'id': video_id,
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                'title': title,
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                'entries': entries,
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            }
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            files_info.append(info)
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        else:
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            info = entries[0]
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            info['id'] = video_id
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        return files_info
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        return info
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