mirror of
https://github.com/searxng/searxng.git
synced 2024-11-23 04:27:46 +01:00
98 lines
2.7 KiB
Python
98 lines
2.7 KiB
Python
"""
|
|
DuckDuckGo (Images)
|
|
|
|
@website https://duckduckgo.com/
|
|
@provide-api yes (https://duckduckgo.com/api),
|
|
but images are not supported
|
|
|
|
@using-api no
|
|
@results JSON (site requires js to get images)
|
|
@stable no (JSON can change)
|
|
@parse url, title, img_src
|
|
|
|
@todo avoid extra request
|
|
"""
|
|
|
|
from json import loads
|
|
from searx.engines.xpath import extract_text
|
|
from searx.engines.duckduckgo import (
|
|
_fetch_supported_languages, supported_languages_url,
|
|
get_region_code, language_aliases
|
|
)
|
|
from searx.poolrequests import get
|
|
from searx.url_utils import urlencode
|
|
|
|
# engine dependent config
|
|
categories = ['images']
|
|
paging = True
|
|
language_support = True
|
|
safesearch = True
|
|
|
|
# search-url
|
|
images_url = 'https://duckduckgo.com/i.js?{query}&s={offset}&p={safesearch}&o=json&vqd={vqd}'
|
|
site_url = 'https://duckduckgo.com/?{query}&iar=images&iax=1&ia=images'
|
|
|
|
|
|
# run query in site to get vqd number needed for requesting images
|
|
# TODO: find a way to get this number without an extra request (is it a hash of the query?)
|
|
def get_vqd(query, headers):
|
|
query_url = site_url.format(query=urlencode({'q': query}))
|
|
res = get(query_url, headers=headers)
|
|
content = res.text
|
|
if content.find('vqd=\'') == -1:
|
|
raise Exception('Request failed')
|
|
vqd = content[content.find('vqd=\'') + 5:]
|
|
vqd = vqd[:vqd.find('\'')]
|
|
return vqd
|
|
|
|
|
|
# do search-request
|
|
def request(query, params):
|
|
# to avoid running actual external requests when testing
|
|
if 'is_test' not in params:
|
|
vqd = get_vqd(query, params['headers'])
|
|
else:
|
|
vqd = '12345'
|
|
|
|
offset = (params['pageno'] - 1) * 50
|
|
|
|
safesearch = params['safesearch'] - 1
|
|
|
|
region_code = get_region_code(params['language'], lang_list=supported_languages)
|
|
if region_code:
|
|
params['url'] = images_url.format(
|
|
query=urlencode({'q': query, 'l': region_code}), offset=offset, safesearch=safesearch, vqd=vqd)
|
|
else:
|
|
params['url'] = images_url.format(
|
|
query=urlencode({'q': query}), offset=offset, safesearch=safesearch, vqd=vqd)
|
|
|
|
return params
|
|
|
|
|
|
# get response from search-request
|
|
def response(resp):
|
|
results = []
|
|
|
|
content = resp.text
|
|
try:
|
|
res_json = loads(content)
|
|
except:
|
|
raise Exception('Cannot parse results')
|
|
|
|
# parse results
|
|
for result in res_json['results']:
|
|
title = result['title']
|
|
url = result['url']
|
|
thumbnail = result['thumbnail']
|
|
image = result['image']
|
|
|
|
# append result
|
|
results.append({'template': 'images.html',
|
|
'title': title,
|
|
'content': '',
|
|
'thumbnail_src': thumbnail,
|
|
'img_src': image,
|
|
'url': url})
|
|
|
|
return results
|