mirror of
https://github.com/searxng/searxng.git
synced 2024-11-14 16:50:11 +01:00
64 lines
2.5 KiB
Python
64 lines
2.5 KiB
Python
# SPDX-License-Identifier: AGPL-3.0-or-later
|
|
"""CrossRef"""
|
|
|
|
from urllib.parse import urlencode
|
|
from datetime import datetime
|
|
|
|
about = {
|
|
"website": "https://www.crossref.org/",
|
|
"wikidata_id": "Q5188229",
|
|
"official_api_documentation": "https://api.crossref.org",
|
|
"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({"query": query, "offset": 20 * (params["pageno"] - 1)})
|
|
return params
|
|
|
|
|
|
def response(resp):
|
|
results = []
|
|
for record in resp.json()["message"]["items"]:
|
|
|
|
if record["type"] == "component":
|
|
# These seem to be files published along with papers. Not something you'd search for
|
|
continue
|
|
result = {
|
|
"template": "paper.html",
|
|
"content": record.get("abstract", ""),
|
|
"doi": record.get("DOI"),
|
|
"pages": record.get("page"),
|
|
"publisher": record.get("publisher"),
|
|
"tags": record.get("subject"),
|
|
"type": record.get("type"),
|
|
"url": record.get("URL"),
|
|
"volume": record.get("volume"),
|
|
}
|
|
if record["type"] == "book-chapter":
|
|
result["title"] = record["container-title"][0]
|
|
if record["title"][0].lower().strip() != result["title"].lower().strip():
|
|
result["title"] += f" ({record['title'][0]})"
|
|
else:
|
|
result["title"] = record["title"][0] if "title" in record else record.get("container-title", [None])[0]
|
|
result["journal"] = record.get("container-title", [None])[0] if "title" in record else None
|
|
|
|
if "resource" in record and "primary" in record["resource"] and "URL" in record["resource"]["primary"]:
|
|
result["url"] = record["resource"]["primary"]["URL"]
|
|
if "published" in record and "date-parts" in record["published"]:
|
|
result["publishedDate"] = datetime(*(record["published"]["date-parts"][0] + [1, 1][:3]))
|
|
result["authors"] = [a.get("given", "") + " " + a.get("family", "") for a in record.get("author", [])]
|
|
result["isbn"] = record.get("isbn") or [i["value"] for i in record.get("isbn-type", [])]
|
|
# All the links are not PDFs, even if the URL ends with ".pdf"
|
|
# result["pdf_url"] = record.get("link", [{"URL": None}])[0]["URL"]
|
|
|
|
results.append(result)
|
|
|
|
return results
|