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				https://gitlab.com/ytdl-org/youtube-dl.git
				synced 2025-11-04 03:47:07 -05:00 
			
		
		
		
	
		
			
				
	
	
		
			124 lines
		
	
	
		
			3.8 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			124 lines
		
	
	
		
			3.8 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
# 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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from .common import InfoExtractor
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from ..utils import (
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    ExtractorError,
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)
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class YoukuIE(InfoExtractor):
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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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    }
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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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        return "%d%d%d" % (nowTime, random1, random2)
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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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    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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    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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        config = self._download_json(info_url, video_id)
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        error_code = config['data'][0].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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        video_title = config['data'][0]['title']
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        seed = config['data'][0]['seed']
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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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        # 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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        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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            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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            }
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            files_info.append(info)
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        return files_info
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