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youtube-dl/youtube_dl/extractor/googlesearch.py

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from __future__ import unicode_literals
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import itertools
import re
from .common import SearchInfoExtractor
class GoogleSearchIE(SearchInfoExtractor):
IE_DESC = 'Google Video search'
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_MAX_RESULTS = 1000
IE_NAME = 'video.google:search'
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_SEARCH_KEY = 'gvsearch'
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_TEST = {
'url': 'gvsearch15:python language',
'info_dict': {
'id': 'python language',
'title': 'python language',
},
'playlist_count': 15,
}
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def _get_n_results(self, query, n):
"""Get a specified number of results for a query"""
entries = []
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res = {
'_type': 'playlist',
'id': query,
'title': query,
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}
for pagenum in itertools.count():
webpage = self._download_webpage(
'http://www.google.com/search',
'gvsearch:' + query,
note='Downloading result page %s' % (pagenum + 1),
query={
'tbm': 'vid',
'q': query,
'start': pagenum * 10,
'hl': 'en',
})
for hit_idx, mobj in enumerate(re.finditer(
r'<h3 class="r"><a href="([^"]+)"', webpage)):
# Skip playlists
if not re.search(r'id="vidthumb%d"' % (hit_idx + 1), webpage):
continue
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entries.append({
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'_type': 'url',
'url': mobj.group(1)
})
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if (len(entries) >= n) or not re.search(r'id="pnnext"', webpage):
res['entries'] = entries[:n]
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return res