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[youtube-dl] / 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     IE_DESC = u'Yahoo screen'
15     _VALID_URL = r'http://screen\.yahoo\.com/.*?-(?P<id>\d*?)\.html'
16     _TEST = {
17         u'url': u'http://screen.yahoo.com/julian-smith-travis-legg-watch-214727115.html',
18         u'file': u'214727115.flv',
19         u'md5': u'2e717f169c1be93d84d3794a00d4a325',
20         u'info_dict': {
21             u"title": u"Julian Smith & Travis Legg Watch Julian Smith"
22         },
23         u'skip': u'Requires rtmpdump'
24     }
25
26     def _real_extract(self, url):
27         mobj = re.match(self._VALID_URL, url)
28         if mobj is None:
29             raise ExtractorError(u'Invalid URL: %s' % url)
30         video_id = mobj.group('id')
31         webpage = self._download_webpage(url, video_id)
32         m_id = re.search(r'YUI\.namespace\("Media"\)\.CONTENT_ID = "(?P<new_id>.+?)";', webpage)
33
34         if m_id is None: 
35             # TODO: Check which url parameters are required
36             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
37             webpage = self._download_webpage(info_url, video_id, u'Downloading info webpage')
38             info_re = r'''<title><!\[CDATA\[(?P<title>.*?)\]\]></title>.*
39                         <description><!\[CDATA\[(?P<description>.*?)\]\]></description>.*
40                         <media:pubStart><!\[CDATA\[(?P<date>.*?)\ .*\]\]></media:pubStart>.*
41                         <media:content\ medium="image"\ url="(?P<thumb>.*?)"\ name="LARGETHUMB"
42                         '''
43             self.report_extraction(video_id)
44             m_info = re.search(info_re, webpage, re.VERBOSE|re.DOTALL)
45             if m_info is None:
46                 raise ExtractorError(u'Unable to extract video info')
47             video_title = m_info.group('title')
48             video_description = m_info.group('description')
49             video_thumb = m_info.group('thumb')
50             video_date = m_info.group('date')
51             video_date = datetime.datetime.strptime(video_date, '%m/%d/%Y').strftime('%Y%m%d')
52     
53             # TODO: Find a way to get mp4 videos
54             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
55             webpage = self._download_webpage(rest_url, video_id, u'Downloading video url webpage')
56             m_rest = re.search(r'<media:content url="(?P<url>.*?)" path="(?P<path>.*?)"', webpage)
57             video_url = m_rest.group('url')
58             video_path = m_rest.group('path')
59             if m_rest is None:
60                 raise ExtractorError(u'Unable to extract video url')
61
62         else: # We have to use a different method if another id is defined
63             long_id = m_id.group('new_id')
64             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'
65             webpage = self._download_webpage(info_url, video_id, u'Downloading info json')
66             json_str = re.search(r'YUI.Env.JSONP.yui.*?\((.*?)\);', webpage).group(1)
67             info = json.loads(json_str)
68             res = info[u'query'][u'results'][u'mediaObj'][0]
69             stream = res[u'streams'][0]
70             video_path = stream[u'path']
71             video_url = stream[u'host']
72             meta = res[u'meta']
73             video_title = meta[u'title']
74             video_description = meta[u'description']
75             video_thumb = meta[u'thumbnail']
76             video_date = None # I can't find it
77
78         info_dict = {
79                      'id': video_id,
80                      'url': video_url,
81                      'play_path': video_path,
82                      'title':video_title,
83                      'description': video_description,
84                      'thumbnail': video_thumb,
85                      'upload_date': video_date,
86                      'ext': 'flv',
87                      }
88         return info_dict
89
90 class YahooSearchIE(SearchInfoExtractor):
91     IE_DESC = u'Yahoo screen search'
92     _MAX_RESULTS = 1000
93     IE_NAME = u'screen.yahoo:search'
94     _SEARCH_KEY = 'yvsearch'
95
96     def _get_n_results(self, query, n):
97         """Get a specified number of results for a query"""
98
99         res = {
100             '_type': 'playlist',
101             'id': query,
102             'entries': []
103         }
104         for pagenum in itertools.count(0): 
105             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)
106             webpage = self._download_webpage(result_url, query,
107                                              note='Downloading results page '+str(pagenum+1))
108             info = json.loads(webpage)
109             m = info[u'm']
110             results = info[u'results']
111
112             for (i, r) in enumerate(results):
113                 if (pagenum * 30) +i >= n:
114                     break
115                 mobj = re.search(r'(?P<url>screen\.yahoo\.com/.*?-\d*?\.html)"', r)
116                 e = self.url_result('http://' + mobj.group('url'), 'Yahoo')
117                 res['entries'].append(e)
118             if (pagenum * 30 +i >= n) or (m[u'last'] >= (m[u'total'] -1 )):
119                 break
120
121         return res