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# SPDX-License-Identifier: AGPL-3.0-or-later
# lint: pylint
"""Springer Nature (science)
"""
# pylint: disable=missing-function-docstring
from datetime import datetime
from json import loads
from urllib.parse import urlencode
from searx import logger
from searx.exceptions import SearxEngineAPIException
logger = logger.getChild('Springer Nature engine')
about = {
"website": 'https://www.springernature.com/',
"wikidata_id": 'Q21096327',
"official_api_documentation": 'https://dev.springernature.com/',
"use_official_api": True,
"require_api_key": True,
"results": 'JSON',
}
categories = ['science']
paging = True
nb_per_page = 10
api_key = 'unset'
base_url = 'https://api.springernature.com/metadata/json?'
def request(query, params):
if api_key == 'unset':
raise SearxEngineAPIException('missing Springer-Nature API key')
args = urlencode({
'q' : query,
's' : nb_per_page * (params['pageno'] - 1),
'p' : nb_per_page,
'api_key' : api_key
})
params['url'] = base_url + args
logger.debug("query_url --> %s", params['url'])
return params
def response(resp):
results = []
json_data = loads(resp.text)
for record in json_data['records']:
content = record['abstract'][0:500]
if len(record['abstract']) > len(content):
content += "..."
published = datetime.strptime(record['publicationDate'], '%Y-%m-%d')
metadata = [record[x] for x in [
'publicationName',
'identifier',
'contentType',
] if record.get(x) is not None]
metadata = ' / '.join(metadata)
if record.get('startingPage') and record.get('endingPage') is not None:
metadata += " (%(startingPage)s-%(endingPage)s)" % record
results.append({
'title': record['title'],
'url': record['url'][0]['value'].replace('http://', 'https://', 1),
'content' : content,
'publishedDate' : published,
'metadata' : metadata
})
return results
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