mirror of https://github.com/searxng/searxng.git
157 lines
4.2 KiB
Python
157 lines
4.2 KiB
Python
# SPDX-License-Identifier: AGPL-3.0-or-later
|
|
"""
|
|
DuckDuckGo Extra (images, videos, news)
|
|
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
|
"""
|
|
|
|
from datetime import datetime
|
|
from typing import TYPE_CHECKING
|
|
from urllib.parse import urlencode
|
|
from searx.utils import get_embeded_stream_url
|
|
|
|
from searx.engines.duckduckgo import fetch_traits # pylint: disable=unused-import
|
|
from searx.engines.duckduckgo import (
|
|
cache_vqd,
|
|
extract_vqd,
|
|
get_ddg_lang,
|
|
get_vqd,
|
|
)
|
|
from searx.enginelib.traits import EngineTraits
|
|
|
|
if TYPE_CHECKING:
|
|
import logging
|
|
|
|
logger: logging.Logger
|
|
|
|
traits: EngineTraits
|
|
|
|
# about
|
|
about = {
|
|
"website": 'https://duckduckgo.com/',
|
|
"wikidata_id": 'Q12805',
|
|
"use_official_api": False,
|
|
"require_api_key": False,
|
|
"results": 'JSON (site requires js to get images)',
|
|
}
|
|
|
|
# engine dependent config
|
|
categories = ['images', 'web']
|
|
ddg_category = 'images'
|
|
"""The category must be any of ``images``, ``videos`` and ``news``
|
|
"""
|
|
paging = True
|
|
safesearch = True
|
|
send_accept_language_header = True
|
|
|
|
safesearch_cookies = {0: '-2', 1: None, 2: '1'}
|
|
safesearch_args = {0: '1', 1: None, 2: '1'}
|
|
|
|
search_path_map = {'images': 'i', 'videos': 'v', 'news': 'news'}
|
|
|
|
|
|
def request(query, params):
|
|
eng_region = traits.get_region(params['searxng_locale'], traits.all_locale)
|
|
|
|
# request needs a vqd argument
|
|
vqd = get_vqd(query, eng_region)
|
|
if not vqd:
|
|
vqd = extract_vqd(query)
|
|
if vqd:
|
|
cache_vqd(query, eng_region, vqd)
|
|
|
|
if not vqd:
|
|
# some search terms do not have results and therefore no vqd value
|
|
params['url'] = None
|
|
return params
|
|
|
|
eng_lang = get_ddg_lang(traits, params['searxng_locale'])
|
|
|
|
args = {
|
|
'q': query,
|
|
'o': 'json',
|
|
# 'u': 'bing',
|
|
'l': eng_region,
|
|
'f': ',,,,,',
|
|
'vqd': vqd,
|
|
}
|
|
|
|
if params['pageno'] > 1:
|
|
args['s'] = (params['pageno'] - 1) * 100
|
|
|
|
params['cookies']['ad'] = eng_lang # zh_CN
|
|
params['cookies']['ah'] = eng_region # "us-en,de-de"
|
|
params['cookies']['l'] = eng_region # "hk-tzh"
|
|
|
|
safe_search = safesearch_cookies.get(params['safesearch'])
|
|
if safe_search is not None:
|
|
params['cookies']['p'] = safe_search # "-2", "1"
|
|
safe_search = safesearch_args.get(params['safesearch'])
|
|
if safe_search is not None:
|
|
args['p'] = safe_search # "-1", "1"
|
|
|
|
logger.debug("cookies: %s", params['cookies'])
|
|
|
|
params['url'] = f'https://duckduckgo.com/{search_path_map[ddg_category]}.js?{urlencode(args)}'
|
|
|
|
# sending these two headers prevents rate limiting for the query
|
|
params['headers'] = {
|
|
'Referer': 'https://duckduckgo.com/',
|
|
'X-Requested-With': 'XMLHttpRequest',
|
|
}
|
|
|
|
return params
|
|
|
|
|
|
def _image_result(result):
|
|
return {
|
|
'template': 'images.html',
|
|
'url': result['url'],
|
|
'title': result['title'],
|
|
'content': '',
|
|
'thumbnail_src': result['thumbnail'],
|
|
'img_src': result['image'],
|
|
'resolution': '%s x %s' % (result['width'], result['height']),
|
|
'source': result['source'],
|
|
}
|
|
|
|
|
|
def _video_result(result):
|
|
return {
|
|
'template': 'videos.html',
|
|
'url': result['content'],
|
|
'title': result['title'],
|
|
'content': result['description'],
|
|
'thumbnail': result['images'].get('small') or result['images'].get('medium'),
|
|
'iframe_src': get_embeded_stream_url(result['content']),
|
|
'source': result['provider'],
|
|
'length': result['duration'],
|
|
'metadata': result.get('uploader'),
|
|
}
|
|
|
|
|
|
def _news_result(result):
|
|
return {
|
|
'url': result['url'],
|
|
'title': result['title'],
|
|
'content': result['excerpt'],
|
|
'source': result['source'],
|
|
'publishedDate': datetime.utcfromtimestamp(result['date']),
|
|
}
|
|
|
|
|
|
def response(resp):
|
|
results = []
|
|
res_json = resp.json()
|
|
|
|
for result in res_json['results']:
|
|
if ddg_category == 'images':
|
|
results.append(_image_result(result))
|
|
elif ddg_category == 'videos':
|
|
results.append(_video_result(result))
|
|
elif ddg_category == 'news':
|
|
results.append(_news_result(result))
|
|
else:
|
|
raise ValueError(f"Invalid duckduckgo category: {ddg_category}")
|
|
|
|
return results
|