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searxng/searx/engines/bing_images.py
2022-01-05 11:00:11 +01:00

107 lines
3.1 KiB
Python

# SPDX-License-Identifier: AGPL-3.0-or-later
# lint: pylint
"""Bing (Images)
"""
from json import loads
from urllib.parse import urlencode
from lxml import html
from searx.utils import match_language
from searx.engines.bing import language_aliases
from searx.engines.bing import ( # pylint: disable=unused-import
_fetch_supported_languages,
supported_languages_url,
)
# about
about = {
"website": 'https://www.bing.com/images',
"wikidata_id": 'Q182496',
"official_api_documentation": 'https://www.microsoft.com/en-us/bing/apis/bing-image-search-api',
"use_official_api": False,
"require_api_key": False,
"results": 'HTML',
}
# engine dependent config
categories = ['images', 'web']
paging = True
safesearch = True
time_range_support = True
supported_languages_url = 'https://www.bing.com/account/general'
number_of_results = 28
# search-url
base_url = 'https://www.bing.com/'
search_string = (
# fmt: off
'images/search'
'?{query}'
'&count={count}'
'&first={first}'
'&tsc=ImageHoverTitle'
# fmt: on
)
time_range_string = '&qft=+filterui:age-lt{interval}'
time_range_dict = {'day': '1440', 'week': '10080', 'month': '43200', 'year': '525600'}
# safesearch definitions
safesearch_types = {2: 'STRICT', 1: 'DEMOTE', 0: 'OFF'}
# do search-request
def request(query, params):
offset = ((params['pageno'] - 1) * number_of_results) + 1
search_path = search_string.format(query=urlencode({'q': query}), count=number_of_results, first=offset)
language = match_language(params['language'], supported_languages, language_aliases).lower()
params['cookies']['SRCHHPGUSR'] = 'ADLT=' + safesearch_types.get(params['safesearch'], 'DEMOTE')
params['cookies']['_EDGE_S'] = 'mkt=' + language + '&ui=' + language + '&F=1'
params['url'] = base_url + search_path
if params['time_range'] in time_range_dict:
params['url'] += time_range_string.format(interval=time_range_dict[params['time_range']])
return params
# get response from search-request
def response(resp):
results = []
dom = html.fromstring(resp.text)
# parse results
for result in dom.xpath('//div[@class="imgpt"]'):
img_format = result.xpath('./div[contains(@class, "img_info")]/span/text()')[0]
# Microsoft seems to experiment with this code so don't make the path too specific,
# just catch the text section for the first anchor in img_info assuming this to be
# the originating site.
source = result.xpath('./div[contains(@class, "img_info")]//a/text()')[0]
m = loads(result.xpath('./a/@m')[0])
# strip 'Unicode private use area' highlighting, they render to Tux
# the Linux penguin and a standing diamond on my machine...
title = m.get('t', '').replace('\ue000', '').replace('\ue001', '')
results.append(
{
'template': 'images.html',
'url': m['purl'],
'thumbnail_src': m['turl'],
'img_src': m['murl'],
'content': '',
'title': title,
'source': source,
'img_format': img_format,
}
)
return results