mirror of
https://github.com/searxng/searxng.git
synced 2024-11-26 12:51:02 +00:00
11fc9913e9
use data from embedded JSON to improve results (e.g. real page title), add image format and source info (see PR #1567), improve paging logic (it now works)
124 lines
3.7 KiB
Python
124 lines
3.7 KiB
Python
"""
|
|
Bing (Images)
|
|
|
|
@website https://www.bing.com/images
|
|
@provide-api yes (http://datamarket.azure.com/dataset/bing/search),
|
|
max. 5000 query/month
|
|
|
|
@using-api no (because of query limit)
|
|
@results HTML (using search portal)
|
|
@stable no (HTML can change)
|
|
@parse url, title, img_src
|
|
|
|
"""
|
|
|
|
from lxml import html
|
|
from json import loads
|
|
import re
|
|
from searx.url_utils import urlencode
|
|
from searx.utils import match_language
|
|
|
|
# engine dependent config
|
|
categories = ['images']
|
|
paging = True
|
|
safesearch = True
|
|
time_range_support = True
|
|
language_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 = 'images/search'\
|
|
'?{query}'\
|
|
'&count={count}'\
|
|
'&first={first}'\
|
|
'&FORM=IBASEP'
|
|
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]
|
|
|
|
try:
|
|
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(u'\ue000', '').replace(u'\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})
|
|
except:
|
|
continue
|
|
|
|
return results
|
|
|
|
|
|
# get supported languages from their site
|
|
def _fetch_supported_languages(resp):
|
|
supported_languages = []
|
|
dom = html.fromstring(resp.text)
|
|
|
|
regions_xpath = '//div[@id="region-section-content"]' \
|
|
+ '//ul[@class="b_vList"]/li/a/@href'
|
|
|
|
regions = dom.xpath(regions_xpath)
|
|
for region in regions:
|
|
code = re.search('setmkt=[^\&]+', region).group()[7:]
|
|
if code == 'nb-NO':
|
|
code = 'no-NO'
|
|
|
|
supported_languages.append(code)
|
|
|
|
return supported_languages
|