forked from Ponysearch/Ponysearch
[mod] bing_images: use async API & upgrade to data_type: traits_v1
Signed-off-by: Markus Heiser <markus.heiser@darmarit.de>
This commit is contained in:
Markus Heiser
parent
bc21d28298
commit
ff80e7637e
1 changed files with 68 additions and 55 deletions
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@ -1,16 +1,30 @@
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# SPDX-License-Identifier: AGPL-3.0-or-later
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# lint: pylint
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"""Bing (Images)
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"""Bing-Images: description see :py:obj:`searx.engines.bing`.
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"""
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# pylint: disable=invalid-name
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from json import loads
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from typing import TYPE_CHECKING
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import uuid
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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.utils import match_language
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from searx.enginelib.traits import EngineTraits
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from searx.engines.bing import (
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set_bing_cookies,
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_fetch_traits,
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)
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from searx.engines.bing import send_accept_language_header # pylint: disable=unused-import
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if TYPE_CHECKING:
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import logging
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logger: logging.Logger
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traits: EngineTraits
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# about
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about = {
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@ -27,93 +41,92 @@ 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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send_accept_language_header = True
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supported_languages_url = 'https://www.bing.com/account/general'
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number_of_results = 28
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# search-url
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base_url = 'https://www.bing.com/'
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search_string = (
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base_url = 'https://www.bing.com/images/async'
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"""Bing (Images) search URL"""
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bing_traits_url = 'https://learn.microsoft.com/en-us/bing/search-apis/bing-image-search/reference/market-codes'
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"""Bing (Images) search API description"""
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time_map = {
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# fmt: off
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'images/search'
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'?{query}'
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'&count={count}'
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'&first={first}'
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'&tsc=ImageHoverTitle'
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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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# fmt: on
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)
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time_range_string = '&qft=+filterui:age-lt{interval}'
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time_range_dict = {'day': '1440', 'week': '10080', 'month': '43200', 'year': '525600'}
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# safesearch definitions
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safesearch_types = {2: 'STRICT', 1: 'DEMOTE', 0: 'OFF'}
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}
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# do search-request
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def request(query, params):
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offset = ((params['pageno'] - 1) * number_of_results) + 1
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"""Assemble a Bing-Image request."""
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search_path = search_string.format(query=urlencode({'q': query}), count=number_of_results, first=offset)
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engine_region = traits.get_region(params['searxng_locale'], 'en-US')
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engine_language = traits.get_language(params['searxng_locale'], 'en')
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language = match_language(params['language'], supported_languages, language_aliases).lower()
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SID = uuid.uuid1().hex.upper()
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set_bing_cookies(params, engine_language, engine_region, SID)
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params['cookies']['SRCHHPGUSR'] = 'ADLT=' + safesearch_types.get(params['safesearch'], 'DEMOTE')
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# build URL query
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# - example: https://www.bing.com/images/async?q=foo&first=155&count=35
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params['cookies']['_EDGE_S'] = 'mkt=' + language + '&ui=' + language + '&F=1'
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query_params = {
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# fmt: off
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'q': query,
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'async' : 'content',
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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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# fmt: on
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}
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params['url'] = base_url + search_path
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if params['time_range'] in time_range_dict:
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params['url'] += time_range_string.format(interval=time_range_dict[params['time_range']])
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# time range
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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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params['url'] = base_url + '?' + urlencode(query_params)
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return params
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# get response from search-request
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def response(resp):
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results = []
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"""Get response from Bing-Images"""
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results = []
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dom = html.fromstring(resp.text)
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# parse results
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for result in dom.xpath('//div[@class="imgpt"]'):
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img_format = result.xpath('./div[contains(@class, "img_info")]/span/text()')[0]
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# Microsoft seems to experiment with this code so don't make the path too specific,
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# just catch the text section for the first anchor in img_info assuming this to be
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# the originating site.
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source = result.xpath('./div[contains(@class, "img_info")]//a/text()')[0]
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for result in dom.xpath('//ul[contains(@class, "dgControl_list")]/li'):
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m = loads(result.xpath('./a/@m')[0])
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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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# strip 'Unicode private use area' highlighting, they render to Tux
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# the Linux penguin and a standing diamond on my machine...
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title = m.get('t', '').replace('\ue000', '').replace('\ue001', '')
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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()
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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': m['purl'],
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'thumbnail_src': m['turl'],
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'img_src': m['murl'],
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'content': '',
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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['desc'],
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'title': title,
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'source': source,
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'img_format': img_format,
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}
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)
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return results
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def fetch_traits(engine_traits: EngineTraits):
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"""Fetch languages and regions from Bing-News."""
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# pylint: disable=import-outside-toplevel
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from searx.engines.bing import _fetch_traits
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url = 'https://learn.microsoft.com/en-us/bing/search-apis/bing-news-search/reference/market-codes'
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xpath_market_codes = '//table[1]/tbody/tr/td[3]'
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# xpath_country_codes = '//table[2]/tbody/tr/td[2]'
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xpath_language_codes = '//table[3]/tbody/tr/td[2]'
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_fetch_traits(engine_traits, url, xpath_language_codes, xpath_market_codes)
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_fetch_traits(engine_traits, bing_traits_url, xpath_language_codes, xpath_market_codes)
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