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# SPDX-License-Identifier: AGPL-3.0-or-later
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# lint: pylint
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"""Springer Nature (science)
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"""
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from datetime import datetime
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from json import loads
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from urllib.parse import urlencode
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from searx.exceptions import SearxEngineAPIException
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about = {
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"website": 'https://www.springernature.com/',
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"wikidata_id": 'Q21096327',
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"official_api_documentation": 'https://dev.springernature.com/',
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"use_official_api": True,
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"require_api_key": True,
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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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nb_per_page = 10
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api_key = 'unset'
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base_url = 'https://api.springernature.com/metadata/json?'
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def request(query, params):
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if api_key == 'unset':
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raise SearxEngineAPIException('missing Springer-Nature API key')
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args = urlencode({'q': query, 's': nb_per_page * (params['pageno'] - 1), 'p': nb_per_page, 'api_key': api_key})
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params['url'] = base_url + args
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logger.debug("query_url --> %s", params['url'])
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return params
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def response(resp):
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results = []
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json_data = loads(resp.text)
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for record in json_data['records']:
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published = datetime.strptime(record['publicationDate'], '%Y-%m-%d')
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authors = [" ".join(author['creator'].split(', ')[::-1]) for author in record['creators']]
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tags = record.get('genre')
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if isinstance(tags, str):
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tags = [tags]
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results.append(
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{
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'template': 'paper.html',
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'url': record['url'][0]['value'].replace('http://', 'https://', 1),
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'title': record['title'],
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'content': record['abstract'],
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'comments': record['publicationName'],
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'tags': tags,
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'publishedDate': published,
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'type': record.get('contentType'),
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'authors': authors,
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# 'editor': '',
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'publisher': record.get('publisher'),
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'journal': record.get('publicationName'),
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'volume': record.get('volume') or None,
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'pages': '-'.join([x for x in [record.get('startingPage'), record.get('endingPage')] if x]),
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'number': record.get('number') or None,
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'doi': record.get('doi'),
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'issn': [x for x in [record.get('issn')] if x],
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'isbn': [x for x in [record.get('isbn')] if x],
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# 'pdf_url' : ''
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}
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)
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return results
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