searxng/searx/engines/yandex.py

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# SPDX-License-Identifier: AGPL-3.0-or-later
"""Yandex (Web, images)"""
from json import loads
from urllib.parse import urlencode
from html import unescape
from lxml import html
from searx.exceptions import SearxEngineCaptchaException
from searx.utils import humanize_bytes, eval_xpath, eval_xpath_list, extract_text, extr
# Engine metadata
about = {
"website": 'https://yandex.com/',
"wikidata_id": 'Q5281',
"official_api_documentation": "?",
"use_official_api": False,
"require_api_key": False,
"results": 'HTML',
}
# Engine configuration
categories = []
paging = True
search_type = ""
# Search URL
base_url_web = 'https://yandex.com/search/site/'
base_url_images = 'https://yandex.com/images/search'
results_xpath = '//li[contains(@class, "serp-item")]'
url_xpath = './/a[@class="b-serp-item__title-link"]/@href'
title_xpath = './/h3[@class="b-serp-item__title"]/a[@class="b-serp-item__title-link"]/span'
content_xpath = './/div[@class="b-serp-item__content"]//div[@class="b-serp-item__text"]'
def catch_bad_response(resp):
if resp.url.path.startswith('/showcaptcha'):
raise SearxEngineCaptchaException()
def request(query, params):
query_params_web = {
"tmpl_version": "releases",
"text": query,
"web": "1",
"frame": "1",
"searchid": "3131712",
}
query_params_images = {
"text": query,
"uinfo": "sw-1920-sh-1080-ww-1125-wh-999",
}
if params['pageno'] > 1:
query_params_web.update({"p": params["pageno"] - 1})
query_params_images.update({"p": params["pageno"] - 1})
params["cookies"] = {'cookie': "yp=1716337604.sp.family%3A0#1685406411.szm.1:1920x1080:1920x999"}
if search_type == 'web':
params['url'] = f"{base_url_web}?{urlencode(query_params_web)}"
elif search_type == 'images':
params['url'] = f"{base_url_images}?{urlencode(query_params_images)}"
return params
def response(resp):
if search_type == 'web':
catch_bad_response(resp)
dom = html.fromstring(resp.text)
results = []
for result in eval_xpath_list(dom, results_xpath):
results.append(
{
'url': extract_text(eval_xpath(result, url_xpath)),
'title': extract_text(eval_xpath(result, title_xpath)),
'content': extract_text(eval_xpath(result, content_xpath)),
}
)
return results
if search_type == 'images':
catch_bad_response(resp)
html_data = html.fromstring(resp.text)
html_sample = unescape(html.tostring(html_data, encoding='unicode'))
content_between_tags = extr(
html_sample, '{"location":"/images/search/', 'advRsyaSearchColumn":null}}', default="fail"
)
json_data = '{"location":"/images/search/' + content_between_tags + 'advRsyaSearchColumn":null}}'
if content_between_tags == "fail":
content_between_tags = extr(html_sample, '{"location":"/images/search/', 'false}}}')
json_data = '{"location":"/images/search/' + content_between_tags + 'false}}}'
json_resp = loads(json_data)
results = []
for _, item_data in json_resp['initialState']['serpList']['items']['entities'].items():
title = item_data['snippet']['title']
source = item_data['snippet']['url']
thumb = item_data['image']
fullsize_image = item_data['viewerData']['dups'][0]['url']
height = item_data['viewerData']['dups'][0]['h']
width = item_data['viewerData']['dups'][0]['w']
filesize = item_data['viewerData']['dups'][0]['fileSizeInBytes']
humanized_filesize = humanize_bytes(filesize)
results.append(
{
'title': title,
'url': source,
'img_src': fullsize_image,
'filesize': humanized_filesize,
'thumbnail_src': thumb,
'template': 'images.html',
'resolution': f'{width} x {height}',
}
)
return results
return []