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			124 lines
		
	
	
		
			4.1 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			124 lines
		
	
	
		
			4.1 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
| # coding: utf-8
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| 
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| import json
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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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| 
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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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| 
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| 
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| class YoukuIE(InfoExtractor):
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|     _VALID_URL =  r'(?:(?:http://)?(?:v|player)\.youku\.com/(?:v_show/id_|player\.php/sid/)|youku:)(?P<ID>[A-Za-z0-9]+)(?:\.html|/v\.swf|)'
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|     _TEST =   {
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|         u"url": u"http://v.youku.com/v_show/id_XNDgyMDQ2NTQw.html",
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|         u"file": u"XNDgyMDQ2NTQw_part00.flv",
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|         u"md5": u"ffe3f2e435663dc2d1eea34faeff5b5b",
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|         u"params": {u"test": False},
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|         u"info_dict": {
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|             u"title": u"youtube-dl test video \"'/\\ä↭𝕐"
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|         }
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|     }
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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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| 
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|         return "%d%d%d" %(nowTime,random1,random2)
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| 
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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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| 
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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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| 
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|     def _real_extract(self, url):
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|         mobj = re.match(self._VALID_URL, url)
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|         if mobj is None:
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|             raise ExtractorError(u'Invalid URL: %s' % url)
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|         video_id = mobj.group('ID')
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| 
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|         info_url = 'http://v.youku.com/player/getPlayList/VideoIDS/' + video_id
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| 
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|         jsondata = self._download_webpage(info_url, video_id)
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| 
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|         self.report_extraction(video_id)
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|         try:
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|             config = json.loads(jsondata)
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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 u'Server reported error %i' % error_code,
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|                     expected=True)
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| 
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|             video_title =  config['data'][0]['title']
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|             seed = config['data'][0]['seed']
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| 
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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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| 
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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 = u'flv'
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|             elif format == 'worst':
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|                 format = 'mp4'
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|                 ext = u'mp4'
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|             else:
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|                 format = 'flv'
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|                 ext = u'flv'
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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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|         except (UnicodeDecodeError, ValueError, KeyError):
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|             raise ExtractorError(u'Unable to extract info section')
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| 
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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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| 
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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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| 
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|             temp_fileid = '%s%02X%s' % (fileid[0:8], index, fileid[10:])
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|             download_url = 'http://f.youku.com/player/getFlvPath/sid/%s_%02X/st/flv/fileid/%s?k=%s' % (sid, index, temp_fileid, key)
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| 
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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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| 
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|         return files_info
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