[youtube] Fix extraction.
[youtube-dl] / youtube_dl / extractor / googlesearch.py
1 from __future__ import unicode_literals
2
3 import itertools
4 import re
5
6 from .common import SearchInfoExtractor
7
8
9 class GoogleSearchIE(SearchInfoExtractor):
10     IE_DESC = 'Google Video search'
11     _MAX_RESULTS = 1000
12     IE_NAME = 'video.google:search'
13     _SEARCH_KEY = 'gvsearch'
14     _TEST = {
15         'url': 'gvsearch15:python language',
16         'info_dict': {
17             'id': 'python language',
18             'title': 'python language',
19         },
20         'playlist_count': 15,
21     }
22
23     def _get_n_results(self, query, n):
24         """Get a specified number of results for a query"""
25
26         entries = []
27         res = {
28             '_type': 'playlist',
29             'id': query,
30             'title': query,
31         }
32
33         for pagenum in itertools.count():
34             webpage = self._download_webpage(
35                 'http://www.google.com/search',
36                 'gvsearch:' + query,
37                 note='Downloading result page %s' % (pagenum + 1),
38                 query={
39                     'tbm': 'vid',
40                     'q': query,
41                     'start': pagenum * 10,
42                     'hl': 'en',
43                 })
44
45             for hit_idx, mobj in enumerate(re.finditer(
46                     r'<h3 class="r"><a href="([^"]+)"', webpage)):
47
48                 # Skip playlists
49                 if not re.search(r'id="vidthumb%d"' % (hit_idx + 1), webpage):
50                     continue
51
52                 entries.append({
53                     '_type': 'url',
54                     'url': mobj.group(1)
55                 })
56
57             if (len(entries) >= n) or not re.search(r'id="pnnext"', webpage):
58                 res['entries'] = entries[:n]
59                 return res