278 lines
		
	
	
		
			9.1 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			278 lines
		
	
	
		
			9.1 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
# coding: utf-8
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from __future__ import unicode_literals
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import hashlib
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import math
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import random
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import time
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import uuid
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from .common import InfoExtractor
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from ..compat import compat_urllib_parse
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from ..utils import ExtractorError
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class IqiyiIE(InfoExtractor):
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    IE_NAME = 'iqiyi'
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    IE_DESC = '爱奇艺'
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    _VALID_URL = r'http://(?:www\.)iqiyi.com/v_.+?\.html'
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    _TESTS = [{
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        'url': 'http://www.iqiyi.com/v_19rrojlavg.html',
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        'md5': '2cb594dc2781e6c941a110d8f358118b',
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        'info_dict': {
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            'id': '9c1fb1b99d192b21c559e5a1a2cb3c73',
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            'title': '美国德州空中惊现奇异云团 酷似UFO',
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            'ext': 'f4v',
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        }
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    }, {
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        'url': 'http://www.iqiyi.com/v_19rrhnnclk.html',
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        'info_dict': {
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            'id': 'e3f585b550a280af23c98b6cb2be19fb',
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            'title': '名侦探柯南第752集',
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        },
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        'playlist': [{
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            'info_dict': {
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                'id': 'e3f585b550a280af23c98b6cb2be19fb_part1',
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                'ext': 'f4v',
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                'title': '名侦探柯南第752集',
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            },
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        }, {
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            'info_dict': {
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                'id': 'e3f585b550a280af23c98b6cb2be19fb_part2',
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                'ext': 'f4v',
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                'title': '名侦探柯南第752集',
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            },
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        }, {
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            'info_dict': {
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                'id': 'e3f585b550a280af23c98b6cb2be19fb_part3',
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                'ext': 'f4v',
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                'title': '名侦探柯南第752集',
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            },
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        }, {
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            'info_dict': {
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                'id': 'e3f585b550a280af23c98b6cb2be19fb_part4',
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                'ext': 'f4v',
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                'title': '名侦探柯南第752集',
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            },
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        }, {
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            'info_dict': {
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                'id': 'e3f585b550a280af23c98b6cb2be19fb_part5',
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                'ext': 'f4v',
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                'title': '名侦探柯南第752集',
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            },
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        }, {
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            'info_dict': {
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                'id': 'e3f585b550a280af23c98b6cb2be19fb_part6',
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                'ext': 'f4v',
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                'title': '名侦探柯南第752集',
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            },
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        }, {
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            'info_dict': {
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                'id': 'e3f585b550a280af23c98b6cb2be19fb_part7',
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                'ext': 'f4v',
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                'title': '名侦探柯南第752集',
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            },
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        }, {
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            'info_dict': {
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                'id': 'e3f585b550a280af23c98b6cb2be19fb_part8',
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                'ext': 'f4v',
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                'title': '名侦探柯南第752集',
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            },
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        }],
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        'params': {
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            'skip_download': True,
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        },
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    }]
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    _FORMATS_MAP = [
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        ('1', 'h6'),
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        ('2', 'h5'),
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        ('3', 'h4'),
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        ('4', 'h3'),
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        ('5', 'h2'),
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        ('10', 'h1'),
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    ]
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    @staticmethod
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    def md5_text(text):
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        return hashlib.md5(text.encode('utf-8')).hexdigest()
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    def construct_video_urls(self, data, video_id, _uuid):
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        def do_xor(x, y):
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            a = y % 3
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            if a == 1:
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                return x ^ 121
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            if a == 2:
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                return x ^ 72
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            return x ^ 103
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        def get_encode_code(l):
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            a = 0
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            b = l.split('-')
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            c = len(b)
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            s = ''
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            for i in range(c - 1, -1, -1):
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                a = do_xor(int(b[c - i - 1], 16), i)
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                s += chr(a)
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            return s[::-1]
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        def get_path_key(x, format_id, segment_index):
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            mg = ')(*&^flash@#$%a'
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            tm = self._download_json(
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                'http://data.video.qiyi.com/t?tn=' + str(random.random()), video_id,
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                note='Download path key of segment %d for format %s' % (segment_index + 1, format_id)
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            )['t']
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            t = str(int(math.floor(int(tm) / (600.0))))
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            return self.md5_text(t + mg + x)
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        video_urls_dict = {}
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        for format_item in data['vp']['tkl'][0]['vs']:
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            if 0 < int(format_item['bid']) <= 10:
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                format_id = self.get_format(format_item['bid'])
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            else:
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                continue
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            video_urls = []
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            video_urls_info = format_item['fs']
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            if not format_item['fs'][0]['l'].startswith('/'):
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                t = get_encode_code(format_item['fs'][0]['l'])
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                if t.endswith('mp4'):
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                    video_urls_info = format_item['flvs']
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            for segment_index, segment in enumerate(video_urls_info):
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                vl = segment['l']
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                if not vl.startswith('/'):
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                    vl = get_encode_code(vl)
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                key = get_path_key(
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                    vl.split('/')[-1].split('.')[0], format_id, segment_index)
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                filesize = segment['b']
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                base_url = data['vp']['du'].split('/')
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                base_url.insert(-1, key)
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                base_url = '/'.join(base_url)
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                param = {
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                    'su': _uuid,
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                    'qyid': uuid.uuid4().hex,
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                    'client': '',
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                    'z': '',
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                    'bt': '',
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                    'ct': '',
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                    'tn': str(int(time.time()))
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                }
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                api_video_url = base_url + vl + '?' + \
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                    compat_urllib_parse.urlencode(param)
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                js = self._download_json(
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                    api_video_url, video_id,
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                    note='Download video info of segment %d for format %s' % (segment_index + 1, format_id))
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                video_url = js['l']
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                video_urls.append(
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                    (video_url, filesize))
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            video_urls_dict[format_id] = video_urls
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        return video_urls_dict
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    def get_format(self, bid):
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        matched_format_ids = [_format_id for _bid, _format_id in self._FORMATS_MAP if _bid == str(bid)]
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        return matched_format_ids[0] if len(matched_format_ids) else None
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    def get_bid(self, format_id):
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        matched_bids = [_bid for _bid, _format_id in self._FORMATS_MAP if _format_id == format_id]
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        return matched_bids[0] if len(matched_bids) else None
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    def get_raw_data(self, tvid, video_id, enc_key, _uuid):
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        tm = str(int(time.time()))
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        tail = tm + tvid
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        param = {
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            'key': 'fvip',
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            'src': self.md5_text('youtube-dl'),
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            'tvId': tvid,
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            'vid': video_id,
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            'vinfo': 1,
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            'tm': tm,
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            'enc': self.md5_text((enc_key + tail)[1:64:2] + tail),
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            'qyid': _uuid,
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            'tn': random.random(),
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            'um': 0,
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            'authkey': self.md5_text(self.md5_text('') + tail),
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        }
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        api_url = 'http://cache.video.qiyi.com/vms' + '?' + \
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            compat_urllib_parse.urlencode(param)
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        raw_data = self._download_json(api_url, video_id)
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        return raw_data
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    def get_enc_key(self, swf_url, video_id):
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        # TODO: automatic key extraction
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        enc_key = 'eac64f22daf001da6ba9aa8da4d501508bbe90a4d4091fea3b0582a85b38c2cc'  # last update at 2015-09-23-23 for Zombie::bite
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        return enc_key
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    def _real_extract(self, url):
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        webpage = self._download_webpage(
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            url, 'temp_id', note='download video page')
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        tvid = self._search_regex(
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            r'data-player-tvid\s*=\s*[\'"](\d+)', webpage, 'tvid')
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        video_id = self._search_regex(
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            r'data-player-videoid\s*=\s*[\'"]([a-f\d]+)', webpage, 'video_id')
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        swf_url = self._search_regex(
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            r'(http://[^\'"]+MainPlayer[^.]+\.swf)', webpage, 'swf player URL')
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        _uuid = uuid.uuid4().hex
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        enc_key = self.get_enc_key(swf_url, video_id)
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        raw_data = self.get_raw_data(tvid, video_id, enc_key, _uuid)
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        if raw_data['code'] != 'A000000':
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            raise ExtractorError('Unable to load data. Error code: ' + raw_data['code'])
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        if not raw_data['data']['vp']['tkl']:
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            raise ExtractorError('No support iQiqy VIP video')
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        data = raw_data['data']
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        title = data['vi']['vn']
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        # generate video_urls_dict
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        video_urls_dict = self.construct_video_urls(
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            data, video_id, _uuid)
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        # construct info
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        entries = []
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        for format_id in video_urls_dict:
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            video_urls = video_urls_dict[format_id]
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            for i, video_url_info in enumerate(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_url_info[0],
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                        'filesize': video_url_info[-1],
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                        'format_id': format_id,
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                        'preference': int(self.get_bid(format_id))
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                    }
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                )
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        for i in range(len(entries)):
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            self._sort_formats(entries[i]['formats'])
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            entries[i].update(
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                {
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                    'id': '%s_part%d' % (video_id, 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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                '_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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        else:
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            info = entries[0]
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            info['id'] = video_id
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            info['title'] = title
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        return info
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