Source code for searx.engines.recoll

# SPDX-License-Identifier: AGPL-3.0-or-later
""".. sidebar:: info

   - `Recoll <https://www.lesbonscomptes.com/recoll/>`_
   - `recoll-webui <https://framagit.org/medoc92/recollwebui.git>`_
   - :origin:`searx/engines/recoll.py`

Recoll_ is a desktop full-text search tool based on Xapian.  By itself Recoll_
does not offer WEB or API access, this can be achieved using recoll-webui_

Configuration
=============

You must configure the following settings:

- :py:obj:`base_url`
- :py:obj:`mount_prefix`
- :py:obj:`dl_prefix`
- :py:obj:`search_dir`

Example scenario:

#. Recoll indexes a local filesystem mounted in ``/export/documents/reference``,
#. the Recoll search interface can be reached at https://recoll.example.org/ and
#. the contents of this filesystem can be reached though https://download.example.org/reference

.. code:: yaml

   base_url: https://recoll.example.org
   mount_prefix: /export/documents
   dl_prefix: https://download.example.org
   search_dir: ""

Implementations
===============

"""
import typing as t

from datetime import date, timedelta
from urllib.parse import urlencode, quote

from searx.result_types import EngineResults

if t.TYPE_CHECKING:
    from searx.extended_types import SXNG_Response
    from searx.search.processors import OnlineParams


about = {
    "website": None,
    "wikidata_id": "Q15735774",
    "official_api_documentation": "https://www.lesbonscomptes.com/recoll/",
    "use_official_api": True,
    "require_api_key": False,
    "results": "JSON",
}

paging = True
time_range_support = True

base_url: str = ""
"""Location where recoll-webui can be reached."""

mount_prefix: str = ""
"""Location where the file hierarchy is mounted on your *local* filesystem."""

dl_prefix: str = ""
"""Location where the file hierarchy as indexed by recoll can be reached."""

search_dir: str = ""
"""Part of the indexed file hierarchy to be search, if empty the full domain is
searched."""

_s2i: dict[str | None, int] = {"day": 1, "week": 7, "month": 30, "year": 365}


[docs] def setup(engine_settings: dict[str, t.Any]) -> bool: """Initialization of the Recoll engine, checks if the mandatory values are configured. """ missing: list[str] = [] for cfg_name in ["base_url", "mount_prefix", "dl_prefix"]: if not engine_settings.get(cfg_name): missing.append(cfg_name) if missing: logger.error("missing recoll configuration: %s", missing) return False if engine_settings["base_url"].endswith("/"): engine_settings["base_url"] = engine_settings["base_url"][:-1] return True
def search_after(time_range: str | None) -> str: offset = _s2i.get(time_range, 0) if not offset: return "" return (date.today() - timedelta(days=offset)).isoformat() def request(query: str, params: "OnlineParams") -> None: args = { "query": query, "page": params["pageno"], "after": search_after(params["time_range"]), "dir": search_dir, "highlight": 0, } params["url"] = f"{base_url}/json?{urlencode(args)}" def response(resp: "SXNG_Response") -> EngineResults: res = EngineResults() json_data = resp.json() if not json_data: return res for result in json_data.get("results", []): url = result.get("url", "").replace("file://" + mount_prefix, dl_prefix) mtype = subtype = result.get("mime", "") if mtype: mtype, subtype = (mtype.split("/", 1) + [""])[:2] # facilitate preview support for known mime types thumbnail = embedded = "" if mtype in ["audio", "video"]: embedded_url = '<{ttype} controls height="166px" ' + 'src="{url}" type="{mtype}"></{ttype}>' embedded = embedded_url.format(ttype=mtype, url=quote(url.encode("utf8"), "/:"), mtype=result["mtype"]) if mtype in ["image"] and subtype in ["bmp", "gif", "jpeg", "png"]: thumbnail = url res.add( res.types.File( title=result.get("label", ""), url=url, content=result.get("snippet", ""), size=result.get("size", ""), filename=result.get("filename", ""), abstract=result.get("abstract", ""), author=result.get("author", ""), mtype=mtype, subtype=subtype, time=result.get("time", ""), embedded=embedded, thumbnail=thumbnail, ) ) return res