_ Git - youtube-dl/blob - youtube_dl/extractor/yahoo.py

   1 import datetime
   2 import itertools
   3 import json
   4 import re
   5
   6 from .common import InfoExtractor, SearchInfoExtractor
   7 from ..utils import (
   8     compat_urllib_parse,
   9
  10     ExtractorError,
  11 )
  12
  13 class YahooIE(InfoExtractor):
  14     """Information extractor for screen.yahoo.com."""
  15     _VALID_URL = r'http://screen\.yahoo\.com/.*?-(?P<id>\d*?)\.html'
  16
  17     def _real_extract(self, url):
  18         mobj = re.match(self._VALID_URL, url)
  19         if mobj is None:
  20             raise ExtractorError(u'Invalid URL: %s' % url)
  21         video_id = mobj.group('id')
  22         webpage = self._download_webpage(url, video_id)
  23         m_id = re.search(r'YUI\.namespace\("Media"\)\.CONTENT_ID = "(?P<new_id>.+?)";', webpage)
  24
  25         if m_id is None:
  26             # TODO: Check which url parameters are required
  27             info_url = 'http://cosmos.bcst.yahoo.com/rest/v2/pops;lmsoverride=1;outputformat=mrss;cb=974419660;id=%s;rd=news.yahoo.com;datacontext=mdb;lg=KCa2IihxG3qE60vQ7HtyUy' % video_id
  28             webpage = self._download_webpage(info_url, video_id, u'Downloading info webpage')
  29             info_re = r'''<title><!\[CDATA\[(?P<title>.*?)\]\]></title>.*
  30                         <description><!\[CDATA\[(?P<description>.*?)\]\]></description>.*
  31                         <media:pubStart><!\[CDATA\[(?P<date>.*?)\ .*\]\]></media:pubStart>.*
  32                         <media:content\ medium="image"\ url="(?P<thumb>.*?)"\ name="LARGETHUMB"
  33                         '''
  34             self.report_extraction(video_id)
  35             m_info = re.search(info_re, webpage, re.VERBOSE|re.DOTALL)
  36             if m_info is None:
  37                 raise ExtractorError(u'Unable to extract video info')
  38             video_title = m_info.group('title')
  39             video_description = m_info.group('description')
  40             video_thumb = m_info.group('thumb')
  41             video_date = m_info.group('date')
  42             video_date = datetime.datetime.strptime(video_date, '%m/%d/%Y').strftime('%Y%m%d')
  43
  44             # TODO: Find a way to get mp4 videos
  45             rest_url = 'http://cosmos.bcst.yahoo.com/rest/v2/pops;element=stream;outputformat=mrss;id=%s;lmsoverride=1;bw=375;dynamicstream=1;cb=83521105;tech=flv,mp4;rd=news.yahoo.com;datacontext=mdb;lg=KCa2IihxG3qE60vQ7HtyUy' % video_id
  46             webpage = self._download_webpage(rest_url, video_id, u'Downloading video url webpage')
  47             m_rest = re.search(r'<media:content url="(?P<url>.*?)" path="(?P<path>.*?)"', webpage)
  48             video_url = m_rest.group('url')
  49             video_path = m_rest.group('path')
  50             if m_rest is None:
  51                 raise ExtractorError(u'Unable to extract video url')
  52
  53         else: # We have to use a different method if another id is defined
  54             long_id = m_id.group('new_id')
  55             info_url = 'http://video.query.yahoo.com/v1/public/yql?q=SELECT%20*%20FROM%20yahoo.media.video.streams%20WHERE%20id%3D%22' + long_id + '%22%20AND%20format%3D%22mp4%2Cflv%22%20AND%20protocol%3D%22rtmp%2Chttp%22%20AND%20plrs%3D%2286Gj0vCaSzV_Iuf6hNylf2%22%20AND%20acctid%3D%22389%22%20AND%20plidl%3D%22%22%20AND%20pspid%3D%22792700001%22%20AND%20offnetwork%3D%22false%22%20AND%20site%3D%22ivy%22%20AND%20lang%3D%22en-US%22%20AND%20region%3D%22US%22%20AND%20override%3D%22none%22%3B&env=prod&format=json&callback=YUI.Env.JSONP.yui_3_8_1_1_1368368376830_335'
  56             webpage = self._download_webpage(info_url, video_id, u'Downloading info json')
  57             json_str = re.search(r'YUI.Env.JSONP.yui.*?\((.*?)\);', webpage).group(1)
  58             info = json.loads(json_str)
  59             res = info[u'query'][u'results'][u'mediaObj'][0]
  60             stream = res[u'streams'][0]
  61             video_path = stream[u'path']
  62             video_url = stream[u'host']
  63             meta = res[u'meta']
  64             video_title = meta[u'title']
  65             video_description = meta[u'description']
  66             video_thumb = meta[u'thumbnail']
  67             video_date = None # I can't find it
  68
  69         info_dict = {
  70                      'id': video_id,
  71                      'url': video_url,
  72                      'play_path': video_path,
  73                      'title':video_title,
  74                      'description': video_description,
  75                      'thumbnail': video_thumb,
  76                      'upload_date': video_date,
  77                      'ext': 'flv',
  78                      }
  79         return info_dict
  80
  81 class YahooSearchIE(SearchInfoExtractor):
  82     """Information Extractor for Yahoo! Video search queries."""
  83
  84     _MAX_RESULTS = 1000
  85     IE_NAME = u'screen.yahoo:search'
  86     _SEARCH_KEY = 'yvsearch'
  87
  88     def _get_n_results(self, query, n):
  89         """Get a specified number of results for a query"""
  90
  91         res = {
  92             '_type': 'playlist',
  93             'id': query,
  94             'entries': []
  95         }
  96         for pagenum in itertools.count(0):
  97             result_url = u'http://video.search.yahoo.com/search/?p=%s&fr=screen&o=js&gs=0&b=%d' % (compat_urllib_parse.quote_plus(query), pagenum * 30)
  98             webpage = self._download_webpage(result_url, query,
  99                                              note='Downloading results page '+str(pagenum+1))
 100             info = json.loads(webpage)
 101             m = info[u'm']
 102             results = info[u'results']
 103
 104             for (i, r) in enumerate(results):
 105                 if (pagenum * 30) +i >= n:
 106                     break
 107                 mobj = re.search(r'(?P<url>screen\.yahoo\.com/.*?-\d*?\.html)"', r)
 108                 e = self.url_result('http://' + mobj.group('url'), 'Yahoo')
 109                 res['entries'].append(e)
 110             if (pagenum * 30 +i >= n) or (m[u'last'] >= (m[u'total'] -1 )):
 111                 break
 112
 113         return res