forked from Icycoide/searxng
[fix] normalize the language & region aspects of all google engines
BTW: make the engines ready for search.checker: - replace eval_xpath by eval_xpath_getindex and eval_xpath_list - google_images: remove outer try/except block Signed-off-by: Markus Heiser <markus.heiser@darmarit.de>
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Markus Heiser
parent
923b490022
commit
b1fefec40d
4 changed files with 187 additions and 179 deletions
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@ -10,35 +10,50 @@ Definitions`_.
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``data:` scheme).::
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Header set Content-Security-Policy "img-src 'self' data: ;"
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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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from urllib.parse import urlencode, unquote
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from lxml import html
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from searx import logger
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from searx.utils import extract_text, eval_xpath
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from searx.engines.google import _fetch_supported_languages, supported_languages_url # NOQA # pylint: disable=unused-import
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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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from searx.engines.google import (
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get_lang_country,
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google_domains,
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get_lang_info,
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time_range_dict,
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detect_google_sorry,
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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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logger = logger.getChild('google images')
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# about
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about = {
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"website": 'https://images.google.com/',
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"website": 'https://images.google.com',
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"wikidata_id": 'Q521550',
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"official_api_documentation": 'https://developers.google.com/custom-search/docs/xml_results#WebSearch_Query_Parameter_Definitions', # NOQA
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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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# engine dependent config
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categories = ['images']
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paging = False
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language_support = True
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@ -84,17 +99,16 @@ def scrap_img_by_id(script, data_id):
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def request(query, params):
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"""Google-Video search request"""
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language, country, lang_country = get_lang_country(
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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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subdomain = 'www.' + google_domains.get(country.upper(), 'google.com')
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query_url = 'https://' + subdomain + '/search' + "?" + urlencode({
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query_url = 'https://' + lang_info['subdomain'] + '/search' + "?" + urlencode({
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'q': query,
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'tbm': "isch",
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'hl': lang_country,
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'lr': "lang_" + language,
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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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'num': 30,
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@ -105,17 +119,14 @@ def request(query, params):
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if params['safesearch']:
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query_url += '&' + urlencode({'safe': filter_mapping[params['safesearch']]})
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params['url'] = query_url
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logger.debug("query_url --> %s", query_url)
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params['url'] = query_url
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params['headers']['Accept-Language'] = (
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"%s,%s;q=0.8,%s;q=0.5" % (lang_country, language, language))
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logger.debug(
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"HTTP Accept-Language --> %s", params['headers']['Accept-Language'])
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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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# params['google_subdomain'] = subdomain
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return params
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@ -125,13 +136,11 @@ def response(resp):
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detect_google_sorry(resp)
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# which subdomain ?
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# subdomain = resp.search_params.get('google_subdomain')
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# convert the text to dom
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dom = html.fromstring(resp.text)
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img_bas64_map = scrap_out_thumbs(dom)
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img_src_script = eval_xpath(dom, '//script[contains(., "AF_initDataCallback({key: ")]')[1].text
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img_src_script = eval_xpath_getindex(
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dom, '//script[contains(., "AF_initDataCallback({key: ")]', 1).text
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# parse results
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#
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@ -156,55 +165,47 @@ def response(resp):
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return results
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root = root[0]
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for img_node in eval_xpath(root, './/img[contains(@class, "rg_i")]'):
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for img_node in eval_xpath_list(root, './/img[contains(@class, "rg_i")]'):
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try:
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img_alt = eval_xpath(img_node, '@alt')[0]
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img_alt = eval_xpath_getindex(img_node, '@alt', 0)
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img_base64_id = eval_xpath(img_node, '@data-iid')
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if img_base64_id:
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img_base64_id = img_base64_id[0]
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thumbnail_src = img_bas64_map[img_base64_id]
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img_base64_id = eval_xpath(img_node, '@data-iid')
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if img_base64_id:
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img_base64_id = img_base64_id[0]
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thumbnail_src = img_bas64_map[img_base64_id]
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else:
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thumbnail_src = eval_xpath(img_node, '@src')
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if not thumbnail_src:
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thumbnail_src = eval_xpath(img_node, '@data-src')
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if thumbnail_src:
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thumbnail_src = thumbnail_src[0]
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else:
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thumbnail_src = eval_xpath(img_node, '@src')
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if not thumbnail_src:
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thumbnail_src = eval_xpath(img_node, '@data-src')
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if thumbnail_src:
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thumbnail_src = thumbnail_src[0]
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else:
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thumbnail_src = ''
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thumbnail_src = ''
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link_node = eval_xpath(img_node, '../../../a[2]')[0]
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url = eval_xpath(link_node, '@href')[0]
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link_node = eval_xpath_getindex(img_node, '../../../a[2]', 0)
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url = eval_xpath_getindex(link_node, '@href', 0)
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pub_nodes = eval_xpath(link_node, './div/div')
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pub_descr = img_alt
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pub_source = ''
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if pub_nodes:
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pub_descr = extract_text(pub_nodes[0])
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pub_source = extract_text(pub_nodes[1])
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pub_nodes = eval_xpath(link_node, './div/div')
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pub_descr = img_alt
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pub_source = ''
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if pub_nodes:
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pub_descr = extract_text(pub_nodes[0])
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pub_source = extract_text(pub_nodes[1])
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img_src_id = eval_xpath(img_node, '../../../@data-id')[0]
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src_url = scrap_img_by_id(img_src_script, img_src_id)
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if not src_url:
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src_url = thumbnail_src
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img_src_id = eval_xpath_getindex(img_node, '../../../@data-id', 0)
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src_url = scrap_img_by_id(img_src_script, img_src_id)
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if not src_url:
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src_url = thumbnail_src
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results.append({
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'url': url,
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'title': img_alt,
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'content': pub_descr,
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'source': pub_source,
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'img_src': src_url,
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# 'img_format': img_format,
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'thumbnail_src': thumbnail_src,
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'template': 'images.html'
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})
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except Exception as e: # pylint: disable=broad-except
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logger.error(e, exc_info=True)
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# from lxml import etree
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# logger.debug(etree.tostring(img_node, pretty_print=True))
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# import pdb
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# pdb.set_trace()
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continue
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results.append({
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'url': url,
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'title': img_alt,
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'content': pub_descr,
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'source': pub_source,
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'img_src': src_url,
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# 'img_format': img_format,
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'thumbnail_src': thumbnail_src,
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'template': 'images.html'
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})
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return results
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