searxng/searx/engines/core.py
Markus Heiser 8efabd3ab7 [mod] core.ac.uk engine
- add to list of pylint scripts
- add debug log messages
- move API key int `settings.yml`
- improved readability
- add some metadata to results

Signed-off-by: Markus Heiser <markus@darmarit.de>
2021-04-24 09:00:53 +02:00

83 lines
2.1 KiB
Python

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