mirror of
https://github.com/searxng/searxng.git
synced 2024-11-04 20:30:11 +01:00
[mod] implement brave (WEB) engine to replace XPath configuration
Signed-off-by: Markus Heiser <markus.heiser@darmarit.de>
This commit is contained in:
parent
d151497db3
commit
460bbe5b81
13
docs/dev/engines/online/brave.rst
Normal file
13
docs/dev/engines/online/brave.rst
Normal file
@ -0,0 +1,13 @@
|
||||
.. _brave engine:
|
||||
|
||||
=============
|
||||
Brave Engines
|
||||
=============
|
||||
|
||||
.. contents:: Contents
|
||||
:depth: 2
|
||||
:local:
|
||||
:backlinks: entry
|
||||
|
||||
.. automodule:: searx.engines.brave
|
||||
:members:
|
@ -1,10 +1,56 @@
|
||||
# SPDX-License-Identifier: AGPL-3.0-or-later
|
||||
"""
|
||||
Brave (General, news, videos, images)
|
||||
"""
|
||||
# lint: pylint
|
||||
"""Brave supports the categories listed in :py:obj:`brave_category` (General,
|
||||
news, videos, images). The support of :py:obj:`paging` and :py:obj:`time range
|
||||
<time_range_support>` is limited (see remarks).
|
||||
|
||||
Configured ``brave`` engines:
|
||||
|
||||
.. code:: yaml
|
||||
|
||||
- name: brave
|
||||
engine: brave
|
||||
...
|
||||
brave_category: search
|
||||
time_range_support: true
|
||||
paging: true
|
||||
|
||||
- name: brave.images
|
||||
engine: brave
|
||||
...
|
||||
brave_category: images
|
||||
|
||||
- name: brave.videos
|
||||
engine: brave
|
||||
...
|
||||
brave_category: videos
|
||||
|
||||
- name: brave.news
|
||||
engine: brave
|
||||
...
|
||||
brave_category: news
|
||||
|
||||
|
||||
Implementations
|
||||
===============
|
||||
|
||||
"""
|
||||
# pylint: disable=fixme
|
||||
|
||||
from urllib.parse import (
|
||||
urlencode,
|
||||
urlparse,
|
||||
parse_qs,
|
||||
)
|
||||
|
||||
from urllib.parse import urlencode
|
||||
import chompjs
|
||||
from lxml import html
|
||||
|
||||
from searx.utils import (
|
||||
extract_text,
|
||||
eval_xpath_list,
|
||||
eval_xpath_getindex,
|
||||
)
|
||||
|
||||
about = {
|
||||
"website": 'https://search.brave.com/',
|
||||
@ -14,41 +60,87 @@ about = {
|
||||
"require_api_key": False,
|
||||
"results": 'HTML',
|
||||
}
|
||||
|
||||
base_url = "https://search.brave.com/"
|
||||
categories = []
|
||||
brave_category = 'search'
|
||||
"""Brave supports common web-search, video search, image and video search.
|
||||
|
||||
- ``search``: Common WEB search
|
||||
- ``videos``: search for videos
|
||||
- ``images``: search for images
|
||||
- ``news``: search for news
|
||||
"""
|
||||
|
||||
brave_spellcheck = False
|
||||
"""Brave supports some kind of spell checking. When activated, Brave tries to
|
||||
fix typos, e.g. it searches for ``food`` when the user queries for ``fooh``. In
|
||||
the UI of Brave the user gets warned about this, since we can not warn the user
|
||||
in SearXNG, the spellchecking is disabled by default.
|
||||
"""
|
||||
|
||||
send_accept_language_header = True
|
||||
paging = False
|
||||
categories = ['images', 'videos', 'news'] # images, videos, news
|
||||
"""Brave only supports paging in :py:obj:`brave_category` ``search`` (UI
|
||||
category All)."""
|
||||
|
||||
safesearch = True
|
||||
safesearch_map = {2: 'strict', 1: 'moderate', 0: 'off'} # cookie: safesearch=off
|
||||
|
||||
time_range_support = False
|
||||
"""Brave only supports time-range in :py:obj:`brave_category` ``search`` (UI
|
||||
category All)."""
|
||||
|
||||
time_range_map = {
|
||||
'day': 'pd',
|
||||
'week': 'pw',
|
||||
'month': 'pm',
|
||||
'year': 'py',
|
||||
}
|
||||
|
||||
|
||||
def request(query, params):
|
||||
|
||||
# Don't accept br encoding / see https://github.com/searxng/searxng/pull/1787
|
||||
params['headers']['Accept-Encoding'] = 'gzip, deflate'
|
||||
|
||||
args = {
|
||||
'q': query,
|
||||
'spellcheck': 1,
|
||||
}
|
||||
params["url"] = f"{base_url}{categories[0]}?{urlencode(args)}"
|
||||
if brave_spellcheck:
|
||||
args['spellcheck'] = '1'
|
||||
|
||||
if brave_category == 'search':
|
||||
if params.get('pageno', 1) - 1:
|
||||
args['offset'] = params.get('pageno', 1) - 1
|
||||
if time_range_map.get(params['time_range']):
|
||||
args['tf'] = time_range_map.get(params['time_range'])
|
||||
|
||||
def get_video_results(json_data):
|
||||
results = []
|
||||
params["url"] = f"{base_url}{brave_category}?{urlencode(args)}"
|
||||
|
||||
for result in json_data:
|
||||
results.append(
|
||||
{
|
||||
'template': 'videos.html',
|
||||
'url': result['url'],
|
||||
'thumbnail_src': result['thumbnail']['src'],
|
||||
'img_src': result['properties']['url'],
|
||||
'content': result['description'],
|
||||
'title': result['title'],
|
||||
'source': result['source'],
|
||||
'duration': result['video']['duration'],
|
||||
}
|
||||
)
|
||||
# set preferences in cookie
|
||||
params['cookies']['safesearch'] = safesearch_map.get(params['safesearch'], 'off')
|
||||
|
||||
return results
|
||||
# ToDo: we need a fetch_traits(..) implementation / the ui_lang of Brave are
|
||||
# limited and the country handling has it quirks
|
||||
|
||||
eng_locale = params.get('searxng_locale')
|
||||
params['cookies']['useLocation'] = '0' # the useLocation is IP based, we use 'country'
|
||||
params['cookies']['summarizer'] = '0'
|
||||
|
||||
if not eng_locale or eng_locale == 'all':
|
||||
params['cookies']['country'] = 'all' # country=all
|
||||
else:
|
||||
params['cookies']['country'] = eng_locale.split('-')[-1].lower()
|
||||
params['cookies']['ui_lang'] = eng_locale.split('-')[0].lower()
|
||||
|
||||
# logger.debug("cookies %s", params['cookies'])
|
||||
|
||||
|
||||
def response(resp):
|
||||
results = []
|
||||
|
||||
if brave_category == 'search':
|
||||
return _parse_search(resp)
|
||||
|
||||
datastr = ""
|
||||
for line in resp.text.split("\n"):
|
||||
@ -57,10 +149,81 @@ def response(resp):
|
||||
break
|
||||
|
||||
json_data = chompjs.parse_js_object(datastr)
|
||||
|
||||
json_resp = json_data[1]['data']['body']['response']
|
||||
if categories[0] == 'news':
|
||||
|
||||
if brave_category == 'news':
|
||||
json_resp = json_resp['news']
|
||||
return _parse_news(json_resp)
|
||||
|
||||
if brave_category == 'images':
|
||||
return _parse_images(json_resp)
|
||||
if brave_category == 'videos':
|
||||
return _parse_videos(json_resp)
|
||||
|
||||
return []
|
||||
|
||||
|
||||
def _parse_search(resp):
|
||||
|
||||
result_list = []
|
||||
dom = html.fromstring(resp.text)
|
||||
|
||||
answer_tag = eval_xpath_getindex(dom, '//div[@class="answer"]', 0, default=None)
|
||||
if answer_tag:
|
||||
result_list.append({'answer': extract_text(answer_tag)})
|
||||
|
||||
# xpath_results = '//div[contains(@class, "snippet fdb") and @data-type="web"]'
|
||||
xpath_results = '//div[contains(@class, "snippet")]'
|
||||
|
||||
for result in eval_xpath_list(dom, xpath_results):
|
||||
|
||||
url = eval_xpath_getindex(result, './/a[@class="result-header"]/@href', 0, default=None)
|
||||
title_tag = eval_xpath_getindex(result, './/span[@class="snippet-title"]', 0, default=None)
|
||||
if not (url and title_tag):
|
||||
continue
|
||||
|
||||
content_tag = eval_xpath_getindex(result, './/p[@class="snippet-description"]', 0, default='')
|
||||
img_src = eval_xpath_getindex(result, './/img[@class="thumb"]/@src', 0, default='')
|
||||
|
||||
item = {
|
||||
'url': url,
|
||||
'title': extract_text(title_tag),
|
||||
'content': extract_text(content_tag),
|
||||
'img_src': img_src,
|
||||
}
|
||||
|
||||
video_tag = eval_xpath_getindex(
|
||||
result, './/div[contains(@class, "video-snippet") and @data-macro="video"]', 0, default=None
|
||||
)
|
||||
if video_tag:
|
||||
|
||||
# In my tests a video tag in the WEB search was mostoften not a
|
||||
# video, except the ones from youtube ..
|
||||
|
||||
iframe_src = _get_iframe_src(url)
|
||||
if iframe_src:
|
||||
item['iframe_src'] = iframe_src
|
||||
item['template'] = 'videos.html'
|
||||
item['thumbnail'] = eval_xpath_getindex(video_tag, './/img/@src', 0, default='')
|
||||
else:
|
||||
item['img_src'] = eval_xpath_getindex(video_tag, './/img/@src', 0, default='')
|
||||
|
||||
result_list.append(item)
|
||||
|
||||
return result_list
|
||||
|
||||
|
||||
def _get_iframe_src(url):
|
||||
parsed_url = urlparse(url)
|
||||
if parsed_url.path == '/watch' and parsed_url.query:
|
||||
video_id = parse_qs(parsed_url.query).get('v', []) # type: ignore
|
||||
if video_id:
|
||||
return 'https://www.youtube-nocookie.com/embed/' + video_id[0] # type: ignore
|
||||
return None
|
||||
|
||||
|
||||
def _parse_news(json_resp):
|
||||
result_list = []
|
||||
|
||||
for result in json_resp["results"]:
|
||||
item = {
|
||||
@ -68,18 +231,53 @@ def response(resp):
|
||||
'title': result['title'],
|
||||
'content': result['description'],
|
||||
}
|
||||
if result['thumbnail'] != "null":
|
||||
item['img_src'] = result['thumbnail']['src']
|
||||
result_list.append(item)
|
||||
|
||||
return result_list
|
||||
|
||||
|
||||
def _parse_images(json_resp):
|
||||
result_list = []
|
||||
|
||||
for result in json_resp["results"]:
|
||||
item = {
|
||||
'url': result['url'],
|
||||
'title': result['title'],
|
||||
'content': result['description'],
|
||||
'template': 'images.html',
|
||||
'img_format': result['properties']['format'],
|
||||
'source': result['source'],
|
||||
'img_src': result['properties']['url'],
|
||||
}
|
||||
result_list.append(item)
|
||||
|
||||
return result_list
|
||||
|
||||
|
||||
def _parse_videos(json_resp):
|
||||
result_list = []
|
||||
|
||||
for result in json_resp["results"]:
|
||||
|
||||
url = result['url']
|
||||
item = {
|
||||
'url': url,
|
||||
'title': result['title'],
|
||||
'content': result['description'],
|
||||
'template': 'videos.html',
|
||||
'length': result['video']['duration'],
|
||||
'duration': result['video']['duration'],
|
||||
}
|
||||
|
||||
if result['thumbnail'] != "null":
|
||||
item['thumbnail'] = result['thumbnail']['src']
|
||||
|
||||
if categories[0] == 'images':
|
||||
item['template'] = 'images.html'
|
||||
item['img_format'] = result['properties']['format']
|
||||
item['source'] = result['source']
|
||||
item['img_src'] = result['properties']['url']
|
||||
elif categories[0] == 'videos':
|
||||
item['template'] = 'videos.html'
|
||||
item['length'] = result['video']['duration']
|
||||
iframe_src = _get_iframe_src(url)
|
||||
if iframe_src:
|
||||
item['iframe_src'] = iframe_src
|
||||
|
||||
results.append(item)
|
||||
result_list.append(item)
|
||||
|
||||
return results
|
||||
return result_list
|
||||
|
@ -1816,50 +1816,34 @@ engines:
|
||||
timeout: 9.0
|
||||
|
||||
- name: brave
|
||||
shortcut: brave
|
||||
engine: xpath
|
||||
paging: true
|
||||
engine: brave
|
||||
shortcut: br
|
||||
time_range_support: true
|
||||
first_page_num: 0
|
||||
time_range_url: "&tf={time_range_val}"
|
||||
search_url: https://search.brave.com/search?q={query}&offset={pageno}&spellcheck=1{time_range}
|
||||
url_xpath: //a[@class="result-header"]/@href
|
||||
title_xpath: //span[@class="snippet-title"]
|
||||
content_xpath: //p[1][@class="snippet-description"]
|
||||
suggestion_xpath: //div[@class="text-gray h6"]/a
|
||||
time_range_map:
|
||||
day: 'pd'
|
||||
week: 'pw'
|
||||
month: 'pm'
|
||||
year: 'py'
|
||||
paging: true
|
||||
categories: [general, web]
|
||||
disabled: true
|
||||
headers:
|
||||
Accept-Encoding: gzip, deflate
|
||||
about:
|
||||
website: https://brave.com/search/
|
||||
wikidata_id: Q107355971
|
||||
use_official_api: false
|
||||
require_api_key: false
|
||||
results: HTML
|
||||
brave_category: search
|
||||
# brave_spellcheck: true
|
||||
|
||||
- name: brave.images
|
||||
shortcut: braveimg
|
||||
engine: brave
|
||||
categories: images
|
||||
disabled: true
|
||||
network: brave
|
||||
shortcut: brimg
|
||||
categories: [images, web]
|
||||
brave_category: images
|
||||
|
||||
- name: brave.videos
|
||||
shortcut: bravevid
|
||||
engine: brave
|
||||
categories: videos
|
||||
disabled: true
|
||||
network: brave
|
||||
shortcut: brvid
|
||||
categories: [videos, web]
|
||||
brave_category: videos
|
||||
|
||||
- name: brave.news
|
||||
shortcut: bravenews
|
||||
engine: brave
|
||||
network: brave
|
||||
shortcut: brnews
|
||||
categories: news
|
||||
disabled: true
|
||||
brave_category: news
|
||||
|
||||
- name: petalsearch
|
||||
shortcut: pts
|
||||
|
Loading…
Reference in New Issue
Block a user