1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
|
# SPDX-License-Identifier: AGPL-3.0-or-later
# lint: pylint
"""Semantic Scholar (Science)
"""
from urllib.parse import urlencode
from searx.utils import html_to_text
about = {
"website": 'https://www.crossref.org/',
"wikidata_id": 'Q5188229',
"official_api_documentation": 'https://github.com/CrossRef/rest-api-doc',
"use_official_api": False,
"require_api_key": False,
"results": 'JSON',
}
categories = ['science', 'scientific publications']
paging = True
search_url = 'https://api.crossref.org/works'
def request(query, params):
params['url'] = search_url + '?' + urlencode(dict(query=query, offset=20 * (params['pageno'] - 1)))
return params
def response(resp):
res = resp.json()
results = []
for record in res['message']['items']:
record_type = record['type']
if record_type == 'book-chapter':
title = record['container-title'][0]
if record['title'][0].lower().strip() != title.lower().strip():
title = title + ' (' + record['title'][0] + ')'
journal = None
else:
title = record['title'][0]
journal = record.get('container-title', [None])[0]
url = record.get('resource', {}).get('primary', {}).get('URL') or record['URL']
authors = [author.get('given', '') + ' ' + author.get('family', '') for author in record.get('author', [])]
isbn = record.get('isbn') or [i['value'] for i in record.get('isbn-type', [])]
results.append(
{
'template': 'paper.html',
'url': url,
'title': title,
'journal': journal,
'volume': record.get('volume'),
'type': record['type'],
'content': html_to_text(record.get('abstract', '')),
'publisher': record.get('publisher'),
'authors': authors,
'doi': record['DOI'],
'isbn': isbn,
}
)
return results
|
