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[enh] engines: rework bing engine (#5793)
* [enh] engines: rework bing engine Only Bing-Web has been reworked. Some features now require JavaScript (paging and time-range results). Cookies no longer work, parameters such as `cc`, `ui`, ... alter the results. The engine only appears to use the locale from `Accept-Language` header properly. The rest of Bing's child engines (Bing-Image, Bing-Video, ...) seem to benefit from using `mkt` param in conjunction with the `Accept-Language` header override, although Bing-Web does not (?) * [enh] explicit mkt * [fix] engines: bing_videos.py https://github.com/searxng/searxng/pull/5793#pullrequestreview-3881883250
This commit is contained in:
Ivan Gabaldon
@@ -1,96 +1,101 @@
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# SPDX-License-Identifier: AGPL-3.0-or-later
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"""Bing-Images: description see :py:obj:`searx.engines.bing`."""
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# pylint: disable=invalid-name
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import json
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from urllib.parse import urlencode
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from lxml import html
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from searx.engines.bing import set_bing_cookies
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from searx.engines.bing import fetch_traits # pylint: disable=unused-import
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from searx.engines.bing import ( # pylint: disable=unused-import
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fetch_traits,
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get_locale_params,
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override_accept_language,
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)
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# about
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about = {
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"website": 'https://www.bing.com/images',
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"wikidata_id": 'Q182496',
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"official_api_documentation": 'https://www.microsoft.com/en-us/bing/apis/bing-image-search-api',
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"website": "https://www.bing.com/images",
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"wikidata_id": "Q182496",
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"official_api_documentation": "https://github.com/MicrosoftDocs/bing-docs",
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"use_official_api": False,
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"require_api_key": False,
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"results": 'HTML',
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"results": "HTML",
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}
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# engine dependent config
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categories = ['images', 'web']
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categories = ["images", "web"]
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paging = True
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safesearch = True
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time_range_support = True
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base_url = 'https://www.bing.com/images/async'
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"""Bing (Images) search URL"""
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time_map = {
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'day': 60 * 24,
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'week': 60 * 24 * 7,
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'month': 60 * 24 * 31,
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'year': 60 * 24 * 365,
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"day": 60 * 24,
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"week": 60 * 24 * 7,
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"month": 60 * 24 * 31,
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"year": 60 * 24 * 365,
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}
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base_url = "https://www.bing.com/images/async"
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"""Bing-Image search URL"""
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def request(query, params):
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"""Assemble a Bing-Image request."""
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engine_region = traits.get_region(params['searxng_locale'], traits.all_locale) # type: ignore
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engine_language = traits.get_language(params['searxng_locale'], 'en') # type: ignore
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set_bing_cookies(params, engine_language, engine_region)
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engine_region = traits.get_region(params["searxng_locale"], traits.all_locale)
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override_accept_language(params, engine_region)
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# build URL query
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# - example: https://www.bing.com/images/async?q=foo&async=content&first=1&count=35
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# - example: https://www.bing.com/images/async?q=foo&async=1&first=1&count=35
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query_params = {
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'q': query,
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'async': '1',
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"q": query,
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"async": "1",
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# to simplify the page count lets use the default of 35 images per page
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'first': (int(params.get('pageno', 1)) - 1) * 35 + 1,
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'count': 35,
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"first": (int(params.get("pageno", 1)) - 1) * 35 + 1,
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"count": 35,
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}
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locale_params = get_locale_params(engine_region)
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if locale_params:
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query_params.update(locale_params)
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# time range
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# - example: one year (525600 minutes) 'qft=+filterui:age-lt525600'
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# - example: one year (525600 minutes) 'qft=filterui:age-lt525600'
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if params["time_range"]:
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query_params["qft"] = "filterui:age-lt%s" % time_map[params["time_range"]]
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if params['time_range']:
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query_params['qft'] = 'filterui:age-lt%s' % time_map[params['time_range']]
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params['url'] = base_url + '?' + urlencode(query_params)
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params["url"] = base_url + "?" + urlencode(query_params)
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return params
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def response(resp):
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"""Get response from Bing-Images"""
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"""Get response from Bing-Image"""
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results = []
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dom = html.fromstring(resp.text)
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for result in dom.xpath('//ul[contains(@class, "dgControl_list")]/li'):
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metadata = result.xpath('.//a[@class="iusc"]/@m')
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if not metadata:
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continue
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metadata = json.loads(result.xpath('.//a[@class="iusc"]/@m')[0])
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title = ' '.join(result.xpath('.//div[@class="infnmpt"]//a/text()')).strip()
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img_format = ' '.join(result.xpath('.//div[@class="imgpt"]/div/span/text()')).strip().split(" · ")
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source = ' '.join(result.xpath('.//div[@class="imgpt"]//div[@class="lnkw"]//a/text()')).strip()
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title = " ".join(result.xpath('.//div[@class="infnmpt"]//a/text()')).strip()
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img_format = " ".join(result.xpath('.//div[@class="imgpt"]/div/span/text()')).strip().split(" · ")
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source = " ".join(result.xpath('.//div[@class="imgpt"]//div[@class="lnkw"]//a/text()')).strip()
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results.append(
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{
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'template': 'images.html',
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'url': metadata['purl'],
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'thumbnail_src': metadata['turl'],
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'img_src': metadata['murl'],
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'content': metadata.get('desc'),
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'title': title,
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'source': source,
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'resolution': img_format[0],
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'img_format': img_format[1] if len(img_format) >= 2 else None,
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"template": "images.html",
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"url": metadata["purl"],
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"thumbnail_src": metadata["turl"],
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"img_src": metadata["murl"],
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"content": metadata.get("desc"),
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"title": title,
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"source": source,
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"resolution": img_format[0],
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"img_format": img_format[1] if len(img_format) >= 2 else None,
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}
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)
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return results
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