138 lines
		
	
	
		
			4.8 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			138 lines
		
	
	
		
			4.8 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
| import json
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| from urllib import urlencode
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| from lxml import html
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| from searx.engines.xpath import extract_text
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| 
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| url = 'https://api.duckduckgo.com/?{query}&format=json&pretty=0&no_redirect=1&d=1'
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| 
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| def result_to_text(url, text, htmlResult):
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|     # TODO : remove result ending with "Meaning" or "Category"
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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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|     else:
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|         return text
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| 
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| def html_to_text(htmlFragment):
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|     dom = html.fromstring(htmlFragment)
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|     return extract_text(dom)
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| 
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| def request(query, params):
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|     # TODO add kl={locale}
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|     params['url'] = url.format(query=urlencode({'q': query}))
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|     return params
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| 
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| 
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| def response(resp):
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|     search_res = json.loads(resp.text)
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|     results = []
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| 
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|     content = ''
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|     heading = search_res.get('Heading', '')
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|     attributes = []
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|     urls = []
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|     infobox_id = None
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|     relatedTopics = []
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| 
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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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|         results.append({ 'answer' : html_to_text(answer) })
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| 
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|     # add infobox
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|     if 'Definition' in search_res:
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|         content = content + search_res.get('Definition', '') 
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| 
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|     if 'Abstract' in search_res:
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|         content = content + search_res.get('Abstract', '')
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| 
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| 
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|     # image
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|     image = search_res.get('Image', '')
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|     image = None if image == '' else image
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| 
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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'), 'value': info.get('value')})
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| 
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|     # urls
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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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|             urls.append({'title':text, 'url':firstURL})
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|             results.append({'title':heading, 'url': firstURL})
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| 
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|     # related topics
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|     for ddg_result in search_res.get('RelatedTopics', None):
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|         if 'FirstURL' in ddg_result:
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|             suggestion = result_to_text(ddg_result.get('FirstURL', None), ddg_result.get('Text', None), ddg_result.get('Result', None))
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|             if suggestion != heading:
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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', ''), '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), topic_result.get('Text', None), topic_result.get('Result', None))
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|                 if suggestion != heading:
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|                     suggestions.append(suggestion)
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| 
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|     # abstract
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|     abstractURL = search_res.get('AbstractURL', '')
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|     if abstractURL != '':
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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'), 'url': abstractURL})
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| 
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|     # definition
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|     definitionURL = search_res.get('DefinitionURL', '')
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|     if definitionURL != '':
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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'), 'url': definitionURL})
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| 
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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 / mountain range : 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 : 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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| 
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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==None and len(attributes)==0 and len(urls)==1 and 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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|         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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| 
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|     return results
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