mirror of https://github.com/searxng/searxng.git
[mod] duckduckgo_definitions: display only user friendly attributes / URL
various bug fixes
This commit is contained in:
Alexandre Flament
parent
382fded665
commit
ca593728af
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@ -12,28 +12,53 @@ DuckDuckGo (definitions)
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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 re import compile
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from searx.engines.duckduckgo import _fetch_supported_languages, supported_languages_url, language_aliases
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from searx.utils import extract_text, html_to_text, match_language
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url = 'https://api.duckduckgo.com/'\
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from searx import logger
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from searx.data import WIKIDATA_UNITS
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from searx.engines.duckduckgo import _fetch_supported_languages, supported_languages_url, language_aliases
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from searx.utils import extract_text, html_to_text, match_language, get_string_replaces_function
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from searx.external_urls import get_external_url, get_earth_coordinates_url, area_to_osm_zoom
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logger = logger.getChild('duckduckgo_definitions')
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URL = 'https://api.duckduckgo.com/'\
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+ '?{query}&format=json&pretty=0&no_redirect=1&d=1'
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http_regex = compile(r'^http:')
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WIKIDATA_PREFIX = [
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'http://www.wikidata.org/entity/',
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'https://www.wikidata.org/entity/'
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]
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replace_http_by_https = get_string_replaces_function({'http:': 'https:'})
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def result_to_text(url, text, htmlResult):
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def is_broken_text(text):
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""" duckduckgo may return something like "<a href="xxxx">http://somewhere Related website<a/>"
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The href URL is broken, the "Related website" may contains some HTML.
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The best solution seems to ignore these results.
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"""
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return text.startswith('http') and ' ' in text
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def result_to_text(text, htmlResult):
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# TODO : remove result ending with "Meaning" or "Category"
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result = None
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dom = html.fromstring(htmlResult)
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a = dom.xpath('//a')
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if len(a) >= 1:
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return extract_text(a[0])
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result = extract_text(a[0])
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else:
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return text
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result = text
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if not is_broken_text(result):
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return result
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return None
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def request(query, params):
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params['url'] = url.format(query=urlencode({'q': query}))
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params['url'] = URL.format(query=urlencode({'q': query}))
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language = match_language(params['language'], supported_languages, language_aliases)
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language = language.split('-')[0]
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params['headers']['Accept-Language'] = language
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@ -45,6 +70,14 @@ def response(resp):
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search_res = json.loads(resp.text)
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# search_res.get('Entity') possible values (not exhaustive) :
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# * continent / country / department / location / waterfall
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# * actor / musician / artist
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# * book / performing art / film / television / media franchise / concert tour / playwright
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# * prepared food
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# * website / software / os / programming language / file format / software engineer
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# * compagny
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content = ''
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heading = search_res.get('Heading', '')
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attributes = []
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@ -55,7 +88,8 @@ def response(resp):
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# add answer if there is one
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answer = search_res.get('Answer', '')
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if answer:
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if search_res.get('AnswerType', '') not in ['calc']:
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logger.debug('AnswerType="%s" Answer="%s"', search_res.get('AnswerType'), answer)
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if search_res.get('AnswerType') not in ['calc', 'ip']:
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results.append({'answer': html_to_text(answer)})
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# add infobox
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@ -66,42 +100,36 @@ def response(resp):
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content = content + search_res.get('Abstract', '')
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# image
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image = search_res.get('Image', '')
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image = search_res.get('Image')
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image = None if image == '' else image
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# attributes
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if 'Infobox' in search_res:
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infobox = search_res.get('Infobox', None)
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if 'content' in infobox:
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for info in infobox.get('content'):
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attributes.append({'label': info.get('label'),
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'value': info.get('value')})
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# urls
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# Official website, Wikipedia page
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for ddg_result in search_res.get('Results', []):
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if 'FirstURL' in ddg_result:
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firstURL = ddg_result.get('FirstURL', '')
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text = ddg_result.get('Text', '')
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firstURL = ddg_result.get('FirstURL')
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text = ddg_result.get('Text')
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if firstURL is not None and text is not None:
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urls.append({'title': text, 'url': firstURL})
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results.append({'title': heading, 'url': firstURL})
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# related topics
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for ddg_result in search_res.get('RelatedTopics', []):
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if 'FirstURL' in ddg_result:
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suggestion = result_to_text(ddg_result.get('FirstURL', None),
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ddg_result.get('Text', None),
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ddg_result.get('Result', None))
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if suggestion != heading:
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results.append({'suggestion': suggestion})
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firstURL = ddg_result.get('FirstURL')
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text = ddg_result.get('Text')
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if not is_broken_text(text):
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suggestion = result_to_text(text,
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ddg_result.get('Result'))
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if suggestion != heading and suggestion is not None:
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results.append({'suggestion': suggestion})
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elif 'Topics' in ddg_result:
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suggestions = []
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relatedTopics.append({'name': ddg_result.get('Name', ''),
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'suggestions': suggestions})
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'suggestions': suggestions})
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for topic_result in ddg_result.get('Topics', []):
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suggestion = result_to_text(topic_result.get('FirstURL', None),
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topic_result.get('Text', None),
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topic_result.get('Result', None))
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if suggestion != heading:
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suggestion = result_to_text(topic_result.get('Text'),
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topic_result.get('Result'))
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if suggestion != heading and suggestion is not None:
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suggestions.append(suggestion)
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# abstract
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@ -110,7 +138,10 @@ def response(resp):
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# add as result ? problem always in english
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infobox_id = abstractURL
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urls.append({'title': search_res.get('AbstractSource'),
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'url': abstractURL})
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'url': abstractURL,
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'official': True})
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results.append({'url': abstractURL,
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'title': heading})
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# definition
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definitionURL = search_res.get('DefinitionURL', '')
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@ -118,53 +149,107 @@ def response(resp):
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# add as result ? as answer ? problem always in english
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infobox_id = definitionURL
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urls.append({'title': search_res.get('DefinitionSource'),
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'url': definitionURL})
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'url': definitionURL})
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# to merge with wikidata's infobox
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if infobox_id:
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infobox_id = http_regex.sub('https:', infobox_id)
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infobox_id = replace_http_by_https(infobox_id)
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# entity
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entity = search_res.get('Entity', None)
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# TODO continent / country / department / location / waterfall /
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# mountain range :
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# link to map search, get weather, near by locations
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# TODO musician : link to music search
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# TODO concert tour : ??
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# TODO film / actor / television / media franchise :
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# links to IMDB / rottentomatoes (or scrap result)
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# TODO music : link tu musicbrainz / last.fm
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# TODO book : ??
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# TODO artist / playwright : ??
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# TODO compagny : ??
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# TODO software / os : ??
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# TODO software engineer : ??
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# TODO prepared food : ??
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# TODO website : ??
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# TODO performing art : ??
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# TODO prepared food : ??
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# TODO programming language : ??
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# TODO file format : ??
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# attributes
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# some will be converted to urls
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if 'Infobox' in search_res:
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infobox = search_res.get('Infobox')
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if 'content' in infobox:
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osm_zoom = 17
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coordinates = None
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for info in infobox.get('content'):
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data_type = info.get('data_type')
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data_label = info.get('label')
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data_value = info.get('value')
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# Workaround: ddg may return a double quote
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if data_value == '""':
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continue
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# Is it an external URL ?
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# * imdb_id / facebook_profile / youtube_channel / youtube_video / twitter_profile
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# * instagram_profile / rotten_tomatoes / spotify_artist_id / itunes_artist_id / soundcloud_id
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# * netflix_id
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external_url = get_external_url(data_type, data_value)
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if external_url is not None:
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urls.append({'title': data_label,
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'url': external_url})
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elif data_type in ['instance', 'wiki_maps_trigger', 'google_play_artist_id']:
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# ignore instance: Wikidata value from "Instance Of" (Qxxxx)
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# ignore wiki_maps_trigger: reference to a javascript
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# ignore google_play_artist_id: service shutdown
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pass
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elif data_type == 'string' and data_label == 'Website':
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# There is already an URL for the website
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pass
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elif data_type == 'area':
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attributes.append({'label': data_label,
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'value': area_to_str(data_value),
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'entity': 'P2046'})
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osm_zoom = area_to_osm_zoom(data_value.get('amount'))
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elif data_type == 'coordinates':
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if data_value.get('globe') == 'http://www.wikidata.org/entity/Q2':
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# coordinate on Earth
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# get the zoom information from the area
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coordinates = info
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else:
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# coordinate NOT on Earth
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attributes.append({'label': data_label,
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'value': data_value,
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'entity': 'P625'})
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elif data_type == 'string':
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attributes.append({'label': data_label,
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'value': data_value})
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if coordinates:
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data_label = coordinates.get('label')
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data_value = coordinates.get('value')
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latitude = data_value.get('latitude')
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longitude = data_value.get('longitude')
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url = get_earth_coordinates_url(latitude, longitude, osm_zoom)
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urls.append({'title': 'OpenStreetMap',
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'url': url,
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'entity': 'P625'})
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if len(heading) > 0:
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# TODO get infobox.meta.value where .label='article_title'
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if image is None and len(attributes) == 0 and len(urls) == 1 and\
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len(relatedTopics) == 0 and len(content) == 0:
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results.append({
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'url': urls[0]['url'],
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'title': heading,
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'content': content
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})
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results.append({'url': urls[0]['url'],
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'title': heading,
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'content': content})
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else:
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results.append({
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'infobox': heading,
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'id': infobox_id,
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'entity': entity,
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'content': content,
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'img_src': image,
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'attributes': attributes,
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'urls': urls,
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'relatedTopics': relatedTopics
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})
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results.append({'infobox': heading,
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'id': infobox_id,
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'content': content,
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'img_src': image,
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'attributes': attributes,
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'urls': urls,
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'relatedTopics': relatedTopics})
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return results
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def unit_to_str(unit):
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for prefix in WIKIDATA_PREFIX:
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if unit.startswith(prefix):
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wikidata_entity = unit[len(prefix):]
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return WIKIDATA_UNITS.get(wikidata_entity, unit)
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return unit
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def area_to_str(area):
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"""parse {'unit': 'http://www.wikidata.org/entity/Q712226', 'amount': '+20.99'}"""
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unit = unit_to_str(area.get('unit'))
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if unit is not None:
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try:
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amount = float(area.get('amount'))
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return '{} {}'.format(amount, unit)
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except ValueError:
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pass
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return '{} {}'.format(area.get('amount', ''), area.get('unit', ''))
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@ -25,11 +25,7 @@
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{%- if attribute.image -%}
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<td><img class="img-responsive" src="{{ image_proxify(attribute.image.src) }}" alt="{{ attribute.image.alt }}" /></td>
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{%- else -%}
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{% if attribute.label == 'Instance of' %}
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<td><bdi><a href="https://wikidata.org/wiki/{{ attribute.value.id }}">{{ attribute.value.id }}</a></bdi></td>
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{% else %}
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<td><bdi>{{ attribute.value }}</bdi></td>
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{%- endif -%}
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<td><bdi>{{ attribute.value }}</bdi></td>
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{%- endif -%}
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</tr>
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{% endfor -%}
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@ -481,6 +481,16 @@ def ecma_unescape(s):
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return s
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def get_string_replaces_function(replaces):
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rep = {re.escape(k): v for k, v in replaces.items()}
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pattern = re.compile("|".join(rep.keys()))
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def f(text):
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return pattern.sub(lambda m: rep[re.escape(m.group(0))], text)
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return f
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def get_engine_from_settings(name):
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"""Return engine configuration from settings.yml of a given engine name"""
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