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@@ -1,99 +1,202 @@
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# SPDX-License-Identifier: AGPL-3.0-or-later
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+"""Google (Video)
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+
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+For detailed description of the *REST-full* API see: `Query Parameter
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+Definitions`_. Not all parameters can be appied.
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+
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+.. _admonition:: Content-Security-Policy (CSP)
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+
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+ This engine needs to allow images from the `data URLs`_ (prefixed with the
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+ ``data:` scheme).::
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+
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+ Header set Content-Security-Policy "img-src 'self' data: ;"
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+
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+.. _Query Parameter Definitions:
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+ https://developers.google.com/custom-search/docs/xml_results#WebSearch_Query_Parameter_Definitions
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+.. _data URLs:
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+ https://developer.mozilla.org/en-US/docs/Web/HTTP/Basics_of_HTTP/Data_URIs
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+
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"""
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- Google (Videos)
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-"""
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-from datetime import date, timedelta
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+# pylint: disable=invalid-name, missing-function-docstring
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+
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+import re
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from urllib.parse import urlencode
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from lxml import html
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-from searx.utils import extract_text, eval_xpath, eval_xpath_list, eval_xpath_getindex
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-import re
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+
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+from searx import logger
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+from searx.utils import (
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+ eval_xpath,
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+ eval_xpath_list,
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+ eval_xpath_getindex,
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+ extract_text,
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+)
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+
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+from searx.engines.google import (
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+ get_lang_info,
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+ time_range_dict,
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+ filter_mapping,
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+ results_xpath,
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+ g_section_with_header,
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+ title_xpath,
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+ href_xpath,
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+ content_xpath,
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+ suggestion_xpath,
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+ spelling_suggestion_xpath,
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+ detect_google_sorry,
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+)
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+
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+# pylint: disable=unused-import
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+from searx.engines.google import (
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+ supported_languages_url
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+ , _fetch_supported_languages
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+)
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+# pylint: enable=unused-import
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# about
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about = {
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"website": 'https://www.google.com',
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"wikidata_id": 'Q219885',
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- "official_api_documentation": 'https://developers.google.com/custom-search/',
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+ "official_api_documentation": 'https://developers.google.com/custom-search',
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"use_official_api": False,
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"require_api_key": False,
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"results": 'HTML',
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}
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+logger = logger.getChild('google video')
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+
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# engine dependent config
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+
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categories = ['videos']
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-paging = True
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-safesearch = True
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+paging = False
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+language_support = True
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+use_locale_domain = True
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time_range_support = True
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-number_of_results = 10
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+safesearch = True
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-search_url = 'https://www.google.com/search'\
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- '?q={query}'\
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- '&tbm=vid'\
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- '&{search_options}'
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-time_range_attr = "qdr:{range}"
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-time_range_custom_attr = "cdr:1,cd_min:{start},cd_max{end}"
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-time_range_dict = {'day': 'd',
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- 'week': 'w',
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- 'month': 'm'}
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+RE_CACHE = {}
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+def _re(regexpr):
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+ """returns compiled regular expression"""
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+ RE_CACHE[regexpr] = RE_CACHE.get(regexpr, re.compile(regexpr))
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+ return RE_CACHE[regexpr]
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-# do search-request
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-def request(query, params):
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- search_options = {
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- 'ijn': params['pageno'] - 1,
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- 'start': (params['pageno'] - 1) * number_of_results
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- }
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+def scrap_out_thumbs(dom):
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+ """Scrap out thumbnail data from <script> tags.
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+ """
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+ ret_val = dict()
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+ thumb_name = 'vidthumb'
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- if params['time_range'] in time_range_dict:
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- search_options['tbs'] = time_range_attr.format(range=time_range_dict[params['time_range']])
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- elif params['time_range'] == 'year':
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- now = date.today()
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- then = now - timedelta(days=365)
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- start = then.strftime('%m/%d/%Y')
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- end = now.strftime('%m/%d/%Y')
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- search_options['tbs'] = time_range_custom_attr.format(start=start, end=end)
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+ for script in eval_xpath_list(dom, '//script[contains(., "_setImagesSrc")]'):
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+ _script = script.text
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+
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+ # var s='data:image/jpeg;base64, ...'
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+ _imgdata = _re("s='([^']*)").findall( _script)
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+ if not _imgdata:
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+ continue
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- if safesearch and params['safesearch']:
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- search_options['safe'] = 'on'
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+ # var ii=['vidthumb4','vidthumb7']
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+ for _vidthumb in _re(r"(%s\d+)" % thumb_name).findall(_script):
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+ # At least the equal sign in the URL needs to be decoded
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+ ret_val[_vidthumb] = _imgdata[0].replace(r"\x3d", "=")
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- params['url'] = search_url.format(query=urlencode({'q': query}),
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- search_options=urlencode(search_options))
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+ # {google.ldidly=-1;google.ldi={"vidthumb8":"https://...
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+ for script in eval_xpath_list(dom, '//script[contains(., "google.ldi={")]'):
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+ _script = script.text
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+ for key_val in _re(r'"%s\d+\":\"[^\"]*"' % thumb_name).findall( _script) :
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+ match = _re(r'"(%s\d+)":"(.*)"' % thumb_name).search(key_val)
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+ if match:
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+ # At least the equal sign in the URL needs to be decoded
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+ ret_val[match.group(1)] = match.group(2).replace(r"\u003d", "=")
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+ logger.debug("found %s imgdata for: %s", thumb_name, ret_val.keys())
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+ return ret_val
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+
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+
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+def request(query, params):
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+ """Google-Video search request"""
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+
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+ lang_info = get_lang_info(
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+ # pylint: disable=undefined-variable
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+ params, supported_languages, language_aliases
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+ )
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+
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+ query_url = 'https://' + lang_info['subdomain'] + '/search' + "?" + urlencode({
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+ 'q': query,
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+ 'tbm': "vid",
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+ 'hl': lang_info['hl'],
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+ 'lr': lang_info['lr'],
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+ 'ie': "utf8",
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+ 'oe': "utf8",
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+ })
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+
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+ if params['time_range'] in time_range_dict:
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+ query_url += '&' + urlencode({'tbs': 'qdr:' + time_range_dict[params['time_range']]})
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+ if params['safesearch']:
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+ query_url += '&' + urlencode({'safe': filter_mapping[params['safesearch']]})
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+
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+ logger.debug("query_url --> %s", query_url)
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+ params['url'] = query_url
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+
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+ logger.debug("HTTP header Accept-Language --> %s", lang_info['Accept-Language'])
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+ params['headers']['Accept-Language'] = lang_info['Accept-Language']
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+ params['headers']['Accept'] = (
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+ 'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8'
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+ )
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return params
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-# get response from search-request
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def response(resp):
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+ """Get response from google's search request"""
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results = []
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+ detect_google_sorry(resp)
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+
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+ # convert the text to dom
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dom = html.fromstring(resp.text)
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+ vidthumb_imgdata = scrap_out_thumbs(dom)
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# parse results
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- for result in eval_xpath_list(dom, '//div[@class="g"]'):
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-
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- title = extract_text(eval_xpath(result, './/h3'))
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- url = eval_xpath_getindex(result, './/div[@class="r"]/a/@href', 0)
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- content = extract_text(eval_xpath(result, './/span[@class="st"]'))
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-
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- # get thumbnails
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- script = str(dom.xpath('//script[contains(., "_setImagesSrc")]')[0].text)
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- ids = result.xpath('.//div[@class="s"]//img/@id')
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- if len(ids) > 0:
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- thumbnails_data = \
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- re.findall('s=\'(.*?)(?:\\\\[a-z,1-9,\\\\]+\'|\')\;var ii=\[(?:|[\'vidthumb\d+\',]+)\'' + ids[0],
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- script)
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- tmp = []
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- if len(thumbnails_data) != 0:
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- tmp = re.findall('(data:image/jpeg;base64,[a-z,A-Z,0-9,/,\+]+)', thumbnails_data[0])
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- thumbnail = ''
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- if len(tmp) != 0:
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- thumbnail = tmp[-1]
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-
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- # append result
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- results.append({'url': url,
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- 'title': title,
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- 'content': content,
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- 'thumbnail': thumbnail,
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- 'template': 'videos.html'})
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+ for result in eval_xpath_list(dom, results_xpath):
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+
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+ # google *sections*
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+ if extract_text(eval_xpath(result, g_section_with_header)):
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+ logger.debug("ingoring <g-section-with-header>")
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+ continue
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+
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+ title = extract_text(eval_xpath_getindex(result, title_xpath, 0))
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+ url = eval_xpath_getindex(result, href_xpath, 0)
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+ c_node = eval_xpath_getindex(result, content_xpath, 0)
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+
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+ # <img id="vidthumb1" ...>
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+ img_id = eval_xpath_getindex(c_node, './div[1]//a/g-img/img/@id', 0, default=None)
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+ if img_id is None:
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+ continue
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+ img_src = vidthumb_imgdata.get(img_id, None)
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+ if not img_src:
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+ logger.error("no vidthumb imgdata for: %s" % img_id)
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+ img_src = eval_xpath_getindex(c_node, './div[1]//a/g-img/img/@src', 0)
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+
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+ length = extract_text(eval_xpath(c_node, './/div[1]//a/div[3]'))
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+ content = extract_text(eval_xpath(c_node, './/div[2]/span'))
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+ pub_info = extract_text(eval_xpath(c_node, './/div[2]/div'))
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+
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+ results.append({
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+ 'url': url,
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+ 'title': title,
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+ 'content': content,
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+ 'length': length,
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+ 'author': pub_info,
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+ 'thumbnail': img_src,
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+ 'template': 'videos.html',
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+ })
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+
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+ # parse suggestion
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+ for suggestion in eval_xpath_list(dom, suggestion_xpath):
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+ # append suggestion
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+ results.append({'suggestion': extract_text(suggestion)})
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+
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+ for correction in eval_xpath_list(dom, spelling_suggestion_xpath):
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+ results.append({'correction': extract_text(correction)})
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return results
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Alexandre Flament