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https://github.com/searxng/searxng.git
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96e63df8ca
Revision of the engine / use of the result type Paper as well as other typifications. Signed-off-by: Markus Heiser <markus.heiser@darmarit.de>
110 lines
2.8 KiB
Python
110 lines
2.8 KiB
Python
# SPDX-License-Identifier: AGPL-3.0-or-later
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"""`Open Library`_ is an open, editable library catalog, building towards a web
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page for every book ever published.
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.. _Open Library: https://openlibrary.org
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Configuration
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=============
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The service sometimes takes a very long time to respond, the ``timeout`` may
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need to be adjusted.
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.. code:: yaml
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- name: openlibrary
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engine: openlibrary
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shortcut: ol
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timeout: 10
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Implementations
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===============
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"""
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from datetime import datetime
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import typing as t
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from urllib.parse import urlencode
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from dateutil import parser
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from searx.result_types import EngineResults
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if t.TYPE_CHECKING:
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from searx.extended_types import SXNG_Response
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from searx.search.processors import OnlineParams
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about = {
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"website": "https://openlibrary.org",
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"wikidata_id": "Q1201876",
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"require_api_key": False,
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"use_official_api": False,
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"official_api_documentation": "https://openlibrary.org/developers/api",
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}
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paging = True
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categories = ["general", "books"]
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base_url = "https://openlibrary.org"
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search_api = "https://openlibrary.org/search.json"
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"""The engine uses the API at the endpoint search.json_.
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.. _search.json: https://openlibrary.org/dev/docs/api/search
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"""
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results_per_page = 10
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def request(query: str, params: "OnlineParams") -> None:
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args = {
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"q": query,
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"page": params["pageno"],
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"limit": results_per_page,
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"fields": "*",
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}
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params["url"] = f"{search_api}?{urlencode(args)}"
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logger.debug("REST API: %s", params["url"])
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def response(resp: "SXNG_Response") -> EngineResults:
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res = EngineResults()
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json_data = resp.json()
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for item in json_data.get("docs", []):
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cover = ""
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if "lending_identifier_s" in item:
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cover = f"https://archive.org/services/img/{item['lending_identifier_s']}"
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published = item.get("publish_date")
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if published:
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published_dates = [date for date in map(_parse_date, published) if date]
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if published_dates:
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published = min(published_dates)
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if not published:
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published = _parse_date(str(item.get("first_publish_year")))
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content = " / ".join(item.get("first_sentence", []))
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res.add(
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res.types.Paper(
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url=f"{base_url}/{item['key']}",
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title=item["title"],
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content=content,
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isbn=item.get("isbn", [])[:5],
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authors=item.get("author_name", []),
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thumbnail=cover,
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publishedDate=published,
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tags=item.get("subject", [])[:10] + item.get("place", [])[:10],
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)
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)
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return res
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def _parse_date(date: str) -> datetime | None:
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if not date:
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return None
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try:
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return parser.parse(date)
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except parser.ParserError:
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return None
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