searxng/searx/engines/core.py

95 lines
2.6 KiB
Python
Raw Normal View History

2021-03-26 11:22:49 +00:00
# SPDX-License-Identifier: AGPL-3.0-or-later
# lint: pylint
"""CORE (science)
2021-03-26 11:22:49 +00:00
"""
from datetime import datetime
from urllib.parse import urlencode
from searx.exceptions import SearxEngineAPIException
2021-03-26 11:22:49 +00:00
about = {
"website": 'https://core.ac.uk',
"wikidata_id": 'Q22661180',
"official_api_documentation": 'https://core.ac.uk/documentation/api/',
"use_official_api": True,
"require_api_key": True,
"results": 'JSON',
}
categories = ['science']
paging = True
nb_per_page = 10
2021-03-26 11:22:49 +00:00
api_key = 'unset'
2021-03-26 11:22:49 +00:00
base_url = 'https://core.ac.uk:443/api-v2/search/'
search_string = '{query}?page={page}&pageSize={nb_per_page}&apiKey={apikey}'
2021-03-26 11:22:49 +00:00
def request(query, params):
if api_key == 'unset':
raise SearxEngineAPIException('missing CORE API key')
2021-03-26 11:22:49 +00:00
search_path = search_string.format(
query=urlencode({'q': query}),
nb_per_page=nb_per_page,
page=params['pageno'],
apikey=api_key,
)
2021-03-26 11:22:49 +00:00
params['url'] = base_url + search_path
logger.debug("query_url --> %s", params['url'])
return params
2021-03-26 11:22:49 +00:00
2021-03-26 11:22:49 +00:00
def response(resp):
results = []
json_data = resp.json()
2021-03-26 11:22:49 +00:00
for result in json_data['data']:
source = result['_source']
if not source['urls']:
continue
time = source['publishedDate'] or source['depositedDate']
if time:
publishedDate = datetime.fromtimestamp(time / 1000)
journals = []
if source['journals']:
for j in source['journals']:
journals.append(j['title'])
publisher = source['publisher']
if publisher:
publisher = source['publisher'].strip("'")
results.append(
{
'template': 'paper.html',
'title': source['title'],
'url': source['urls'][0].replace('http://', 'https://', 1),
'content': source['description'],
# 'comments': '',
'tags': source['topics'],
'publishedDate': publishedDate,
'type': (source['types'] or [None])[0],
'authors': source['authors'],
'editor': ', '.join(source['contributors'] or []),
'publisher': publisher,
'journal': ', '.join(journals),
# 'volume': '',
# 'pages' : '',
# 'number': '',
'doi': source['doi'],
'issn': source['issn'],
'isbn': source.get('isbn'), # exists in the rawRecordXml
'pdf_url': source.get('repositoryDocument', {}).get('pdfOrigin'),
}
)
2021-03-26 11:22:49 +00:00
return results