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# SPDX-License-Identifier: AGPL-3.0-or-later
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# lint: pylint
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"""CORE (science)
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"""
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from json import loads
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from datetime import datetime
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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://core.ac.uk',
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"wikidata_id": 'Q22661180',
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"official_api_documentation": 'https://core.ac.uk/documentation/api/',
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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://core.ac.uk:443/api-v2/search/'
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search_string = '{query}?page={page}&pageSize={nb_per_page}&apiKey={apikey}'
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def request(query, params):
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if api_key == 'unset':
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raise SearxEngineAPIException('missing CORE API key')
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search_path = search_string.format(
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query=urlencode({'q': query}),
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nb_per_page=nb_per_page,
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page=params['pageno'],
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apikey=api_key,
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)
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params['url'] = base_url + search_path
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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 result in json_data['data']:
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source = result['_source']
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time = source['publishedDate'] or source['depositedDate']
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if time:
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date = datetime.fromtimestamp(time / 1000)
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else:
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date = None
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metadata = []
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if source['publisher'] and len(source['publisher']) > 3:
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metadata.append(source['publisher'])
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if source['topics']:
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metadata.append(source['topics'][0])
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if source['doi']:
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metadata.append(source['doi'])
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metadata = ' / '.join(metadata)
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results.append(
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{
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'url': source['urls'][0].replace('http://', 'https://', 1),
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'title': source['title'],
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'content': source['description'],
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'publishedDate': date,
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'metadata': metadata,
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}
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)
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return results
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