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# SPDX-License-Identifier: AGPL-3.0-or-later
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"""Springer Nature (science)
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"""
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# pylint: disable=missing-function-docstring
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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 import logger
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from searx.exceptions import SearxEngineAPIException
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logger = logger.getChild('Springer Nature engine')
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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']
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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({
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'q' : query,
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's' : nb_per_page * (params['pageno'] - 1),
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'p' : nb_per_page,
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'api_key' : api_key
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})
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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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content = record['abstract'][0:500]
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if len(record['abstract']) > len(content):
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content += "..."
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published = datetime.strptime(record['publicationDate'], '%Y-%m-%d')
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metadata = [record[x] for x in [
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'publicationName',
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'identifier',
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'contentType',
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] if record.get(x) is not None]
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metadata = ' / '.join(metadata)
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if record.get('startingPage') and record.get('endingPage') is not None:
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metadata += " (%(startingPage)s-%(endingPage)s)" % record
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results.append({
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'title': record['title'],
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'url': record['url'][0]['value'].replace('http://', 'https://', 1),
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'content' : content,
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'publishedDate' : published,
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'metadata' : metadata
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})
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return results
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