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# 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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# pylint: disable=use-dict-literal
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from urllib.parse import urlencode
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from searx.utils import html_to_text
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about = {
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"website": 'https://www.crossref.org/',
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"wikidata_id": 'Q5188229',
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"official_api_documentation": 'https://github.com/CrossRef/rest-api-doc',
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"use_official_api": False,
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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://api.crossref.org/works'
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def request(query, params):
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params['url'] = search_url + '?' + urlencode(dict(query=query, offset=20 * (params['pageno'] - 1)))
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return params
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def response(resp):
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res = resp.json()
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results = []
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for record in res['message']['items']:
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record_type = record['type']
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if record_type == 'book-chapter':
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title = record['container-title'][0]
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if record['title'][0].lower().strip() != title.lower().strip():
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title = html_to_text(title) + ' (' + html_to_text(record['title'][0]) + ')'
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journal = None
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else:
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title = html_to_text(record['title'][0])
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journal = record.get('container-title', [None])[0]
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url = record.get('resource', {}).get('primary', {}).get('URL') or record['URL']
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authors = [author.get('given', '') + ' ' + author.get('family', '') for author in record.get('author', [])]
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isbn = record.get('isbn') or [i['value'] for i in record.get('isbn-type', [])]
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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': title,
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'journal': journal,
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'volume': record.get('volume'),
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'type': record['type'],
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'content': html_to_text(record.get('abstract', '')),
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'publisher': record.get('publisher'),
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'authors': authors,
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'doi': record['DOI'],
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'isbn': isbn,
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}
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)
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return results
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