mojeek.py

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# SPDX-License-Identifier: AGPL-3.0-or-later
"""Mojeek (general, images, news)"""
 
from datetime import datetime
from urllib.parse import urlencode
from lxml import html
 
from dateutil.relativedelta import relativedelta
from searx.utils import eval_xpath, eval_xpath_list, extract_text
from searx.enginelib.traits import EngineTraits
 
about = {
    'website': 'https://mojeek.com',
    'wikidata_id': 'Q60747299',
    'official_api_documentation': 'https://www.mojeek.com/support/api/search/request_parameters.html',
    'use_official_api': False,
    'require_api_key': False,
    'results': 'HTML',
}
paging = True  # paging is only supported for general search
safesearch = True
time_range_support = True  # time range search is supported for general and news
max_page = 10
 
base_url = "https://www.mojeek.com"
 
categories = ["general", "web"]
search_type = ""  # leave blank for general, other possible values: images, news
 
results_xpath = '//ul[@class="results-standard"]/li/a[@class="ob"]'
url_xpath = './@href'
title_xpath = '../h2/a'
content_xpath = '..//p[@class="s"]'
suggestion_xpath = '//div[@class="top-info"]/p[@class="top-info spell"]/em/a'
 
image_results_xpath = '//div[@id="results"]/div[contains(@class, "image")]'
image_url_xpath = './a/@href'
image_title_xpath = './a/@data-title'
image_img_src_xpath = './a/img/@src'
 
news_results_xpath = '//section[contains(@class, "news-search-result")]//article'
news_url_xpath = './/h2/a/@href'
news_title_xpath = './/h2/a'
news_content_xpath = './/p[@class="s"]'
 
language_param = 'lb'
region_param = 'arc'
 
_delta_kwargs = {'day': 'days', 'week': 'weeks', 'month': 'months', 'year': 'years'}
 
 
def init(_):
    if search_type not in ('', 'images', 'news'):
        raise ValueError(f"Invalid search type {search_type}")
 
 
def request(query, params):
    args = {
        'q': query,
        'safe': min(params['safesearch'], 1),
        language_param: traits.get_language(params['searxng_locale'], traits.custom['language_all']),
        region_param: traits.get_region(params['searxng_locale'], traits.custom['region_all']),
    }
 
    if search_type:
        args['fmt'] = search_type
 
    if search_type == '':
        args['s'] = 10 * (params['pageno'] - 1)
 
    if params['time_range'] and search_type != 'images':
        kwargs = {_delta_kwargs[params['time_range']]: 1}
        args["since"] = (datetime.now() - relativedelta(**kwargs)).strftime("%Y%m%d")  # type: ignore
        logger.debug(args["since"])
 
    params['url'] = f"{base_url}/search?{urlencode(args)}"
 
    return params
 
 
def _general_results(dom):
    results = []
 
    for result in eval_xpath_list(dom, results_xpath):
        results.append(
            {
                'url': extract_text(eval_xpath(result, url_xpath)),
                'title': extract_text(eval_xpath(result, title_xpath)),
                'content': extract_text(eval_xpath(result, content_xpath)),
            }
        )
 
    for suggestion in eval_xpath(dom, suggestion_xpath):
        results.append({'suggestion': extract_text(suggestion)})
 
    return results
 
 
def _image_results(dom):
    results = []
 
    for result in eval_xpath_list(dom, image_results_xpath):
        results.append(
            {
                'template': 'images.html',
                'url': extract_text(eval_xpath(result, image_url_xpath)),
                'title': extract_text(eval_xpath(result, image_title_xpath)),
                'img_src': base_url + extract_text(eval_xpath(result, image_img_src_xpath)),  # type: ignore
                'content': '',
            }
        )
 
    return results
 
 
def _news_results(dom):
    results = []
 
    for result in eval_xpath_list(dom, news_results_xpath):
        results.append(
            {
                'url': extract_text(eval_xpath(result, news_url_xpath)),
                'title': extract_text(eval_xpath(result, news_title_xpath)),
                'content': extract_text(eval_xpath(result, news_content_xpath)),
            }
        )
 
    return results
 
 
def response(resp):
    dom = html.fromstring(resp.text)
 
    if search_type == '':
        return _general_results(dom)
 
    if search_type == 'images':
        return _image_results(dom)
 
    if search_type == 'news':
        return _news_results(dom)
 
    raise ValueError(f"Invalid search type {search_type}")
 
 
def fetch_traits(engine_traits: EngineTraits):
    # pylint: disable=import-outside-toplevel
    from searx import network
    from searx.locales import get_official_locales, region_tag
    from babel import Locale, UnknownLocaleError
    import contextlib
 
    resp = network.get(base_url + "/preferences", headers={'Accept-Language': 'en-US,en;q=0.5'})
    dom = html.fromstring(resp.text)  # type: ignore
 
    languages = eval_xpath_list(dom, f'//select[@name="{language_param}"]/option/@value')
 
    engine_traits.custom['language_all'] = languages[0]
 
    for code in languages[1:]:
        with contextlib.suppress(UnknownLocaleError):
            locale = Locale(code)
            engine_traits.languages[locale.language] = code
 
    regions = eval_xpath_list(dom, f'//select[@name="{region_param}"]/option/@value')
 
    engine_traits.custom['region_all'] = regions[1]
 
    for code in regions[2:]:
        for locale in get_official_locales(code, engine_traits.languages):
            engine_traits.regions[region_tag(locale)] = code