2013-06-24 02:32:49 +08:00
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import itertools
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import re
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from .common import SearchInfoExtractor
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from ..utils import (
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compat_urllib_parse,
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)
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class GoogleSearchIE(SearchInfoExtractor):
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2013-07-02 00:52:19 +08:00
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IE_DESC = u'Google Video search'
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2013-06-24 02:32:49 +08:00
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_MORE_PAGES_INDICATOR = r'id="pnnext" class="pn"'
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_MAX_RESULTS = 1000
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IE_NAME = u'video.google:search'
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_SEARCH_KEY = 'gvsearch'
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def _get_n_results(self, query, n):
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"""Get a specified number of results for a query"""
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res = {
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'_type': 'playlist',
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'id': query,
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'entries': []
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}
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for pagenum in itertools.count(1):
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result_url = u'http://www.google.com/search?tbm=vid&q=%s&start=%s&hl=en' % (compat_urllib_parse.quote_plus(query), pagenum*10)
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webpage = self._download_webpage(result_url, u'gvsearch:' + query,
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note='Downloading result page ' + str(pagenum))
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for mobj in re.finditer(r'<h3 class="r"><a href="([^"]+)"', webpage):
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e = {
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'_type': 'url',
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'url': mobj.group(1)
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}
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res['entries'].append(e)
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if (pagenum * 10 > n) or not re.search(self._MORE_PAGES_INDICATOR, webpage):
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return res
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