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[youtubedl] / youtube_dl / extractor / yahoo.py
1 import itertools
2 import json
3 import re
4
5 from .common import InfoExtractor, SearchInfoExtractor
6 from ..utils import (
7 compat_urllib_parse,
8 compat_urlparse,
9 determine_ext,
10 clean_html,
11 )
12
13
14 class YahooIE(InfoExtractor):
15 IE_DESC = u'Yahoo screen'
16 _VALID_URL = r'http://screen\.yahoo\.com/.*?-(?P<id>\d*?)\.html'
17 _TESTS = [
18 {
19 u'url': u'http://screen.yahoo.com/julian-smith-travis-legg-watch-214727115.html',
20 u'file': u'214727115.flv',
21 u'info_dict': {
22 u'title': u'Julian Smith & Travis Legg Watch Julian Smith',
23 u'description': u'Julian and Travis watch Julian Smith',
24 },
25 u'params': {
26 # Requires rtmpdump
27 u'skip_download': True,
28 },
29 },
30 {
31 u'url': u'http://screen.yahoo.com/wired/codefellas-s1-ep12-cougar-lies-103000935.html',
32 u'file': u'103000935.flv',
33 u'info_dict': {
34 u'title': u'Codefellas - The Cougar Lies with Spanish Moss',
35 u'description': u'Agent Topple\'s mustache does its dirty work, and Nicole brokers a deal for peace. But why is the NSA collecting millions of Instagram brunch photos? And if your waffles have nothing to hide, what are they so worried about?',
36 },
37 u'params': {
38 # Requires rtmpdump
39 u'skip_download': True,
40 },
41 },
42 ]
43
44 def _real_extract(self, url):
45 mobj = re.match(self._VALID_URL, url)
46 video_id = mobj.group('id')
47 webpage = self._download_webpage(url, video_id)
48
49 items_json = self._search_regex(r'YVIDEO_INIT_ITEMS = ({.*?});$',
50 webpage, u'items', flags=re.MULTILINE)
51 items = json.loads(items_json)
52 info = items['mediaItems']['query']['results']['mediaObj'][0]
53 # The 'meta' field is not always in the video webpage, we request it
54 # from another page
55 long_id = info['id']
56 query = ('SELECT * FROM yahoo.media.video.streams WHERE id="%s"'
57 ' AND plrs="86Gj0vCaSzV_Iuf6hNylf2"' % long_id)
58 data = compat_urllib_parse.urlencode({
59 'q': query,
60 'env': 'prod',
61 'format': 'json',
62 })
63 query_result_json = self._download_webpage(
64 'http://video.query.yahoo.com/v1/public/yql?' + data,
65 video_id, u'Downloading video info')
66 query_result = json.loads(query_result_json)
67 info = query_result['query']['results']['mediaObj'][0]
68 meta = info['meta']
69
70 formats = []
71 for s in info['streams']:
72 format_info = {
73 'width': s.get('width'),
74 'height': s.get('height'),
75 'bitrate': s.get('bitrate'),
76 }
77
78 host = s['host']
79 path = s['path']
80 if host.startswith('rtmp'):
81 format_info.update({
82 'url': host,
83 'play_path': path,
84 'ext': 'flv',
85 })
86 else:
87 format_url = compat_urlparse.urljoin(host, path)
88 format_info['url'] = format_url
89 format_info['ext'] = determine_ext(format_url)
90
91 formats.append(format_info)
92 formats = sorted(formats, key=lambda f:(f['height'], f['width']))
93
94 info = {
95 'id': video_id,
96 'title': meta['title'],
97 'formats': formats,
98 'description': clean_html(meta['description']),
99 'thumbnail': meta['thumbnail'],
100 }
101 # TODO: Remove when #980 has been merged
102 info.update(formats[-1])
103
104 return info
105
106
107 class YahooSearchIE(SearchInfoExtractor):
108 IE_DESC = u'Yahoo screen search'
109 _MAX_RESULTS = 1000
110 IE_NAME = u'screen.yahoo:search'
111 _SEARCH_KEY = 'yvsearch'
112
113 def _get_n_results(self, query, n):
114 """Get a specified number of results for a query"""
115
116 res = {
117 '_type': 'playlist',
118 'id': query,
119 'entries': []
120 }
121 for pagenum in itertools.count(0):
122 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)
123 webpage = self._download_webpage(result_url, query,
124 note='Downloading results page '+str(pagenum+1))
125 info = json.loads(webpage)
126 m = info[u'm']
127 results = info[u'results']
128
129 for (i, r) in enumerate(results):
130 if (pagenum * 30) +i >= n:
131 break
132 mobj = re.search(r'(?P<url>screen\.yahoo\.com/.*?-\d*?\.html)"', r)
133 e = self.url_result('http://' + mobj.group('url'), 'Yahoo')
134 res['entries'].append(e)
135 if (pagenum * 30 +i >= n) or (m[u'last'] >= (m[u'total'] -1)):
136 break
137
138 return res