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# SPDX-License-Identifier: AGPL-3.0-or-later
"""
DuckDuckGo Extra (images, videos, news)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
"""
from __future__ import annotations
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 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: str = traits.get_region(params['searxng_locale'], traits.all_locale) # type: ignore
# request needs a vqd argument
vqd = get_vqd(query, eng_region, force_request=True)
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
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