mirror of https://github.com/searxng/searxng.git
104 lines
3.3 KiB
Python
104 lines
3.3 KiB
Python
# SPDX-License-Identifier: AGPL-3.0-or-later
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# lint: pylint
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"""Semantic Scholar (Science)
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"""
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from json import dumps, loads
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from datetime import datetime
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from flask_babel import gettext
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about = {
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"website": 'https://www.semanticscholar.org/',
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"wikidata_id": 'Q22908627',
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"official_api_documentation": 'https://api.semanticscholar.org/',
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"use_official_api": True,
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"require_api_key": False,
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"results": 'JSON',
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}
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categories = ['science', 'scientific publications']
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paging = True
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search_url = 'https://www.semanticscholar.org/api/1/search'
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paper_url = 'https://www.semanticscholar.org/paper'
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def request(query, params):
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params['url'] = search_url
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params['method'] = 'POST'
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params['headers']['content-type'] = 'application/json'
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params['data'] = dumps(
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{
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"queryString": query,
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"page": params['pageno'],
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"pageSize": 10,
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"sort": "relevance",
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"getQuerySuggestions": False,
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"authors": [],
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"coAuthors": [],
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"venues": [],
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"performTitleMatch": True,
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}
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)
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return params
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def response(resp):
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res = loads(resp.text)
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results = []
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for result in res['results']:
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url = result.get('primaryPaperLink', {}).get('url')
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if not url and result.get('links'):
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url = result.get('links')[0]
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if not url:
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alternatePaperLinks = result.get('alternatePaperLinks')
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if alternatePaperLinks:
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url = alternatePaperLinks[0].get('url')
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if not url:
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url = paper_url + '/%s' % result['id']
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# publishedDate
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if 'pubDate' in result:
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publishedDate = datetime.strptime(result['pubDate'], "%Y-%m-%d")
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else:
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publishedDate = None
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# authors
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authors = [author[0]['name'] for author in result.get('authors', [])]
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# pick for the first alternate link, but not from the crawler
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pdf_url = None
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for doc in result.get('alternatePaperLinks', []):
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if doc['linkType'] not in ('crawler', 'doi'):
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pdf_url = doc['url']
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break
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# comments
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comments = None
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if 'citationStats' in result:
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comments = gettext(
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'{numCitations} citations from the year {firstCitationVelocityYear} to {lastCitationVelocityYear}'
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).format(
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numCitations=result['citationStats']['numCitations'],
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firstCitationVelocityYear=result['citationStats']['firstCitationVelocityYear'],
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lastCitationVelocityYear=result['citationStats']['lastCitationVelocityYear'],
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)
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results.append(
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{
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'template': 'paper.html',
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'url': url,
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'title': result['title']['text'],
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'content': result['paperAbstract']['text'],
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'journal': result.get('venue', {}).get('text') or result.get('journal', {}).get('name'),
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'doi': result.get('doiInfo', {}).get('doi'),
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'tags': result.get('fieldsOfStudy'),
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'authors': authors,
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'pdf_url': pdf_url,
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'publishedDate': publishedDate,
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'comments': comments,
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}
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)
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return results
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