mirror of
https://github.com/searxng/searxng.git
synced 2024-11-16 17:40:11 +01:00
99 lines
2.6 KiB
Python
99 lines
2.6 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
|
|
|
|
@todo currently there are up to 35 images receive per page,
|
|
because bing does not parse count=10.
|
|
limited response to 10 images
|
|
"""
|
|
|
|
from urllib import urlencode
|
|
from lxml import html
|
|
from json import loads
|
|
import re
|
|
|
|
# engine dependent config
|
|
categories = ['images']
|
|
paging = True
|
|
safesearch = True
|
|
|
|
# search-url
|
|
base_url = 'https://www.bing.com/'
|
|
search_string = 'images/search?{query}&count=10&first={offset}'
|
|
thumb_url = "https://www.bing.com/th?id={ihk}"
|
|
|
|
# safesearch definitions
|
|
safesearch_types = {2: 'STRICT',
|
|
1: 'DEMOTE',
|
|
0: 'OFF'}
|
|
|
|
|
|
_quote_keys_regex = re.compile('({|,)([a-z][a-z0-9]*):(")', re.I | re.U)
|
|
|
|
|
|
# do search-request
|
|
def request(query, params):
|
|
offset = (params['pageno'] - 1) * 10 + 1
|
|
|
|
# required for cookie
|
|
if params['language'] == 'all':
|
|
language = 'en-US'
|
|
else:
|
|
language = params['language'].replace('_', '-')
|
|
|
|
search_path = search_string.format(
|
|
query=urlencode({'q': query}),
|
|
offset=offset)
|
|
|
|
params['cookies']['SRCHHPGUSR'] = \
|
|
'NEWWND=0&NRSLT=-1&SRCHLANG=' + language.split('-')[0] +\
|
|
'&ADLT=' + safesearch_types.get(params['safesearch'], 'DEMOTE')
|
|
|
|
params['url'] = base_url + search_path
|
|
|
|
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="dg_u"]'):
|
|
link = result.xpath('./a')[0]
|
|
|
|
# parse json-data (it is required to add a space, to make it parsable)
|
|
json_data = loads(_quote_keys_regex.sub(r'\1"\2": \3', link.attrib.get('m')))
|
|
|
|
title = link.attrib.get('t1')
|
|
ihk = link.attrib.get('ihk')
|
|
|
|
# url = 'http://' + link.attrib.get('t3')
|
|
url = json_data.get('surl')
|
|
img_src = json_data.get('imgurl')
|
|
|
|
# append result
|
|
results.append({'template': 'images.html',
|
|
'url': url,
|
|
'title': title,
|
|
'content': '',
|
|
'thumbnail_src': thumb_url.format(ihk=ihk),
|
|
'img_src': img_src})
|
|
|
|
# TODO stop parsing if 10 images are found
|
|
if len(results) >= 10:
|
|
break
|
|
|
|
# return results
|
|
return results
|