diff --git a/searx/engines/duckduckgo_definitions.py b/searx/engines/duckduckgo_definitions.py index 7ce54f056..f8bc44e46 100644 --- a/searx/engines/duckduckgo_definitions.py +++ b/searx/engines/duckduckgo_definitions.py @@ -12,28 +12,53 @@ DuckDuckGo (definitions) import json from urllib.parse import urlencode from lxml import html -from re import compile -from searx.engines.duckduckgo import _fetch_supported_languages, supported_languages_url, language_aliases -from searx.utils import extract_text, html_to_text, match_language -url = 'https://api.duckduckgo.com/'\ +from searx import logger +from searx.data import WIKIDATA_UNITS +from searx.engines.duckduckgo import _fetch_supported_languages, supported_languages_url, language_aliases +from searx.utils import extract_text, html_to_text, match_language, get_string_replaces_function +from searx.external_urls import get_external_url, get_earth_coordinates_url, area_to_osm_zoom + + +logger = logger.getChild('duckduckgo_definitions') + +URL = 'https://api.duckduckgo.com/'\ + '?{query}&format=json&pretty=0&no_redirect=1&d=1' -http_regex = compile(r'^http:') +WIKIDATA_PREFIX = [ + 'http://www.wikidata.org/entity/', + 'https://www.wikidata.org/entity/' +] + +replace_http_by_https = get_string_replaces_function({'http:': 'https:'}) -def result_to_text(url, text, htmlResult): +def is_broken_text(text): + """ duckduckgo may return something like "http://somewhere Related website" + + The href URL is broken, the "Related website" may contains some HTML. + + The best solution seems to ignore these results. + """ + return text.startswith('http') and ' ' in text + + +def result_to_text(text, htmlResult): # TODO : remove result ending with "Meaning" or "Category" + result = None dom = html.fromstring(htmlResult) a = dom.xpath('//a') if len(a) >= 1: - return extract_text(a[0]) + result = extract_text(a[0]) else: - return text + result = text + if not is_broken_text(result): + return result + return None def request(query, params): - params['url'] = url.format(query=urlencode({'q': query})) + params['url'] = URL.format(query=urlencode({'q': query})) language = match_language(params['language'], supported_languages, language_aliases) language = language.split('-')[0] params['headers']['Accept-Language'] = language @@ -45,6 +70,14 @@ def response(resp): search_res = json.loads(resp.text) + # search_res.get('Entity') possible values (not exhaustive) : + # * continent / country / department / location / waterfall + # * actor / musician / artist + # * book / performing art / film / television / media franchise / concert tour / playwright + # * prepared food + # * website / software / os / programming language / file format / software engineer + # * compagny + content = '' heading = search_res.get('Heading', '') attributes = [] @@ -55,7 +88,8 @@ def response(resp): # add answer if there is one answer = search_res.get('Answer', '') if answer: - if search_res.get('AnswerType', '') not in ['calc']: + logger.debug('AnswerType="%s" Answer="%s"', search_res.get('AnswerType'), answer) + if search_res.get('AnswerType') not in ['calc', 'ip']: results.append({'answer': html_to_text(answer)}) # add infobox @@ -66,42 +100,36 @@ def response(resp): content = content + search_res.get('Abstract', '') # image - image = search_res.get('Image', '') + image = search_res.get('Image') image = None if image == '' else image - # attributes - if 'Infobox' in search_res: - infobox = search_res.get('Infobox', None) - if 'content' in infobox: - for info in infobox.get('content'): - attributes.append({'label': info.get('label'), - 'value': info.get('value')}) - # urls + # Official website, Wikipedia page for ddg_result in search_res.get('Results', []): - if 'FirstURL' in ddg_result: - firstURL = ddg_result.get('FirstURL', '') - text = ddg_result.get('Text', '') + firstURL = ddg_result.get('FirstURL') + text = ddg_result.get('Text') + if firstURL is not None and text is not None: urls.append({'title': text, 'url': firstURL}) results.append({'title': heading, 'url': firstURL}) # related topics for ddg_result in search_res.get('RelatedTopics', []): if 'FirstURL' in ddg_result: - suggestion = result_to_text(ddg_result.get('FirstURL', None), - ddg_result.get('Text', None), - ddg_result.get('Result', None)) - if suggestion != heading: - results.append({'suggestion': suggestion}) + firstURL = ddg_result.get('FirstURL') + text = ddg_result.get('Text') + if not is_broken_text(text): + suggestion = result_to_text(text, + ddg_result.get('Result')) + if suggestion != heading and suggestion is not None: + results.append({'suggestion': suggestion}) elif 'Topics' in ddg_result: suggestions = [] relatedTopics.append({'name': ddg_result.get('Name', ''), - 'suggestions': suggestions}) + 'suggestions': suggestions}) for topic_result in ddg_result.get('Topics', []): - suggestion = result_to_text(topic_result.get('FirstURL', None), - topic_result.get('Text', None), - topic_result.get('Result', None)) - if suggestion != heading: + suggestion = result_to_text(topic_result.get('Text'), + topic_result.get('Result')) + if suggestion != heading and suggestion is not None: suggestions.append(suggestion) # abstract @@ -110,7 +138,10 @@ def response(resp): # add as result ? problem always in english infobox_id = abstractURL urls.append({'title': search_res.get('AbstractSource'), - 'url': abstractURL}) + 'url': abstractURL, + 'official': True}) + results.append({'url': abstractURL, + 'title': heading}) # definition definitionURL = search_res.get('DefinitionURL', '') @@ -118,53 +149,107 @@ def response(resp): # add as result ? as answer ? problem always in english infobox_id = definitionURL urls.append({'title': search_res.get('DefinitionSource'), - 'url': definitionURL}) + 'url': definitionURL}) # to merge with wikidata's infobox if infobox_id: - infobox_id = http_regex.sub('https:', infobox_id) + infobox_id = replace_http_by_https(infobox_id) - # entity - entity = search_res.get('Entity', None) - # TODO continent / country / department / location / waterfall / - # mountain range : - # link to map search, get weather, near by locations - # TODO musician : link to music search - # TODO concert tour : ?? - # TODO film / actor / television / media franchise : - # links to IMDB / rottentomatoes (or scrap result) - # TODO music : link tu musicbrainz / last.fm - # TODO book : ?? - # TODO artist / playwright : ?? - # TODO compagny : ?? - # TODO software / os : ?? - # TODO software engineer : ?? - # TODO prepared food : ?? - # TODO website : ?? - # TODO performing art : ?? - # TODO prepared food : ?? - # TODO programming language : ?? - # TODO file format : ?? + # attributes + # some will be converted to urls + if 'Infobox' in search_res: + infobox = search_res.get('Infobox') + if 'content' in infobox: + osm_zoom = 17 + coordinates = None + for info in infobox.get('content'): + data_type = info.get('data_type') + data_label = info.get('label') + data_value = info.get('value') + + # Workaround: ddg may return a double quote + if data_value == '""': + continue + + # Is it an external URL ? + # * imdb_id / facebook_profile / youtube_channel / youtube_video / twitter_profile + # * instagram_profile / rotten_tomatoes / spotify_artist_id / itunes_artist_id / soundcloud_id + # * netflix_id + external_url = get_external_url(data_type, data_value) + if external_url is not None: + urls.append({'title': data_label, + 'url': external_url}) + elif data_type in ['instance', 'wiki_maps_trigger', 'google_play_artist_id']: + # ignore instance: Wikidata value from "Instance Of" (Qxxxx) + # ignore wiki_maps_trigger: reference to a javascript + # ignore google_play_artist_id: service shutdown + pass + elif data_type == 'string' and data_label == 'Website': + # There is already an URL for the website + pass + elif data_type == 'area': + attributes.append({'label': data_label, + 'value': area_to_str(data_value), + 'entity': 'P2046'}) + osm_zoom = area_to_osm_zoom(data_value.get('amount')) + elif data_type == 'coordinates': + if data_value.get('globe') == 'http://www.wikidata.org/entity/Q2': + # coordinate on Earth + # get the zoom information from the area + coordinates = info + else: + # coordinate NOT on Earth + attributes.append({'label': data_label, + 'value': data_value, + 'entity': 'P625'}) + elif data_type == 'string': + attributes.append({'label': data_label, + 'value': data_value}) + + if coordinates: + data_label = coordinates.get('label') + data_value = coordinates.get('value') + latitude = data_value.get('latitude') + longitude = data_value.get('longitude') + url = get_earth_coordinates_url(latitude, longitude, osm_zoom) + urls.append({'title': 'OpenStreetMap', + 'url': url, + 'entity': 'P625'}) if len(heading) > 0: # TODO get infobox.meta.value where .label='article_title' if image is None and len(attributes) == 0 and len(urls) == 1 and\ len(relatedTopics) == 0 and len(content) == 0: - results.append({ - 'url': urls[0]['url'], - 'title': heading, - 'content': content - }) + results.append({'url': urls[0]['url'], + 'title': heading, + 'content': content}) else: - results.append({ - 'infobox': heading, - 'id': infobox_id, - 'entity': entity, - 'content': content, - 'img_src': image, - 'attributes': attributes, - 'urls': urls, - 'relatedTopics': relatedTopics - }) + results.append({'infobox': heading, + 'id': infobox_id, + 'content': content, + 'img_src': image, + 'attributes': attributes, + 'urls': urls, + 'relatedTopics': relatedTopics}) return results + + +def unit_to_str(unit): + for prefix in WIKIDATA_PREFIX: + if unit.startswith(prefix): + wikidata_entity = unit[len(prefix):] + return WIKIDATA_UNITS.get(wikidata_entity, unit) + return unit + + +def area_to_str(area): + """parse {'unit': 'http://www.wikidata.org/entity/Q712226', 'amount': '+20.99'}""" + unit = unit_to_str(area.get('unit')) + if unit is not None: + try: + amount = float(area.get('amount')) + return '{} {}'.format(amount, unit) + except ValueError: + pass + return '{} {}'.format(area.get('amount', ''), area.get('unit', '')) diff --git a/searx/templates/oscar/infobox.html b/searx/templates/oscar/infobox.html index 5ba4aa5f0..8a12b8074 100644 --- a/searx/templates/oscar/infobox.html +++ b/searx/templates/oscar/infobox.html @@ -25,11 +25,7 @@ {%- if attribute.image -%} {{ attribute.image.alt }} {%- else -%} - {% if attribute.label == 'Instance of' %} - {{ attribute.value.id }} - {% else %} - {{ attribute.value }} - {%- endif -%} + {{ attribute.value }} {%- endif -%} {% endfor -%} diff --git a/searx/utils.py b/searx/utils.py index 1c10585cf..9e43c67f0 100644 --- a/searx/utils.py +++ b/searx/utils.py @@ -481,6 +481,16 @@ def ecma_unescape(s): return s +def get_string_replaces_function(replaces): + rep = {re.escape(k): v for k, v in replaces.items()} + pattern = re.compile("|".join(rep.keys())) + + def f(text): + return pattern.sub(lambda m: rep[re.escape(m.group(0))], text) + + return f + + def get_engine_from_settings(name): """Return engine configuration from settings.yml of a given engine name"""