# SPDX-License-Identifier: AGPL-3.0-or-later
"""Brave supports the categories listed in :py:obj:`brave_category` (General,
news, videos, images). The support of :py:obj:`paging` and :py:obj:`time range
<time_range_support>` is limited (see remarks).
Configured ``brave`` engines:
.. code:: yaml
- name: brave
engine: brave
...
brave_category: search
time_range_support: true
paging: true
- name: brave.images
engine: brave
...
brave_category: images
- name: brave.videos
engine: brave
...
brave_category: videos
- name: brave.news
engine: brave
...
brave_category: news
- name: brave.goggles
time_range_support: true
paging: true
...
brave_category: goggles
.. _brave regions:
Brave regions
=============
Brave uses two-digit tags for the regions like ``ca`` while SearXNG deals with
locales. To get a mapping, all *officiat de-facto* languages of the Brave
region are mapped to regions in SearXNG (see :py:obj:`babel
<babel.languages.get_official_languages>`):
.. code:: python
"regions": {
..
"en-CA": "ca",
"fr-CA": "ca",
..
}
.. note::
The language (aka region) support of Brave's index is limited to very basic
languages. The search results for languages like Chinese or Arabic are of
low quality.
.. _brave googles:
Brave Goggles
=============
.. _list of Goggles: https://search.brave.com/goggles/discover
.. _Goggles Whitepaper: https://brave.com/static-assets/files/goggles.pdf
.. _Goggles Quickstart: https://github.com/brave/goggles-quickstart
Goggles allow you to choose, alter, or extend the ranking of Brave Search
results (`Goggles Whitepaper`_). Goggles are openly developed by the community
of Brave Search users.
Select from the `list of Goggles`_ people have published, or create your own
(`Goggles Quickstart`_).
.. _brave languages:
Brave languages
===============
Brave's language support is limited to the UI (menus, area local notations,
etc). Brave's index only seems to support a locale, but it does not seem to
support any languages in its index. The choice of available languages is very
small (and its not clear to me where the difference in UI is when switching
from en-us to en-ca or en-gb).
In the :py:obj:`EngineTraits object <searx.enginelib.traits.EngineTraits>` the
UI languages are stored in a custom field named ``ui_lang``:
.. code:: python
"custom": {
"ui_lang": {
"ca": "ca",
"de-DE": "de-de",
"en-CA": "en-ca",
"en-GB": "en-gb",
"en-US": "en-us",
"es": "es",
"fr-CA": "fr-ca",
"fr-FR": "fr-fr",
"ja-JP": "ja-jp",
"pt-BR": "pt-br",
"sq-AL": "sq-al"
}
},
Implementations
===============
"""
import json
import re
import typing as t
from collections.abc import Callable
from urllib.parse import urlencode
from dateutil import parser
from searx import locales, logger
from searx.enginelib.traits import EngineTraits
from searx.exceptions import SearxEngineResponseException
from searx.result_types import EngineResults, MainResult, Video
from searx.result_types.image import Image
from searx.utils import (
html_to_text,
js_find_matching_bracket,
js_obj_str_to_json_str,
js_obj_str_to_python,
js_split_args,
js_find_variable_positions,
)
if t.TYPE_CHECKING:
from searx.extended_types import SXNG_Response
about = {
"website": "https://search.brave.com/",
"wikidata_id": "Q22906900",
"official_api_documentation": None,
"use_official_api": False,
"require_api_key": False,
"results": "HTML",
}
base_url = "https://search.brave.com/"
categories = []
enable_http3 = True
brave_category: t.Literal["search", "videos", "images", "news", "goggles"] = "search"
"""Brave supports common web-search, videos, images, news, and goggles search.
- ``search``: Common WEB search
- ``videos``: search for videos
- ``images``: search for images
- ``news``: search for news
- ``goggles``: Common WEB search with custom rules, requires a :py:obj:`Goggles` URL.
"""
Goggles: str = ""
"""This should be a URL ending in ``.goggle``"""
brave_spellcheck = False
"""Brave supports some kind of spell checking. When activated, Brave tries to
fix typos, e.g. it searches for ``food`` when the user queries for ``fooh``. In
the UI of Brave the user gets warned about this, since we can not warn the user
in SearXNG, the spellchecking is disabled by default.
"""
paging = False
"""Brave only supports paging in :py:obj:`brave_category` ``search`` (UI
category All) and in the goggles category."""
max_page = 10
"""Tested 9 pages maximum (``&offset=8``), to be save max is set to 10. Trying
to do more won't return any result and you will most likely be flagged as a bot.
"""
safesearch = True
safesearch_map = {2: "strict", 1: "moderate", 0: "off"} # cookie: safesearch=off
time_range_support = False
"""Brave only supports time-range in :py:obj:`brave_category` ``search`` (UI
category All) and in the goggles category."""
time_range_map: dict[str, str] = {
"day": "pd",
"week": "pw",
"month": "pm",
"year": "py",
}
IIFE_RE = re.compile(
r"""
\(function\s*\( # (function(
(?P<params>[^)]*) # formal parameters
\)\s*\{\s*return\s* # ){ return
(?P<body>\{) # the object literal starts
""",
re.VERBOSE | re.DOTALL,
)
def request(query: str, params: dict[str, t.Any]) -> None:
args: dict[str, t.Any] = {
"q": query,
"source": "web",
}
if brave_spellcheck:
args["spellcheck"] = "1"
if brave_category in ("search", "goggles"):
if params.get("pageno", 1) - 1:
args["offset"] = params.get("pageno", 1) - 1
if time_range_map.get(params["time_range"]):
args["tf"] = time_range_map.get(params["time_range"])
if brave_category == "goggles":
args["goggles_id"] = Goggles
params["url"] = f"{base_url}{brave_category}?{urlencode(args)}"
logger.debug("url %s", params["url"])
# set properties in the cookies
params["cookies"]["safesearch"] = safesearch_map.get(params["safesearch"], "off")
# the useLocation is IP based, we use cookie "country" for the region
params["cookies"]["useLocation"] = "0"
params["cookies"]["summarizer"] = "0"
engine_region = traits.get_region(params["searxng_locale"], "all")
params["cookies"]["country"] = engine_region.split("-")[-1].lower() # type: ignore
ui_lang = locales.get_engine_locale(params["searxng_locale"], traits.custom["ui_lang"], "en-us")
params["cookies"]["ui_lang"] = ui_lang
logger.debug("cookies %s", params["cookies"])
def _extract_published_date(published_date_raw: str | None):
if published_date_raw is None:
return None
try:
return parser.parse(published_date_raw)
except parser.ParserError:
return None
def response(resp: "SXNG_Response") -> EngineResults:
# delegate the response to the appropriate parser based on search type
match brave_category:
case "search" | "goggles":
return _parse_results(parse_search_result, resp)
case "news":
return _parse_results(parse_news_result, resp)
case "images":
return _parse_results(parse_image_result, resp)
case "videos":
return _parse_results(parse_video_result, resp)
case _:
raise ValueError(f"Unsupported brave category: {brave_category}") # pyright: ignore[reportUnreachable]
def parse_search_result(result: dict[str, t.Any]) -> MainResult:
thumbnail: dict[str, t.Any] = result.get("thumbnail", {})
return MainResult(
template="default.html",
title=result.get("title", ""),
content=html_to_text(result.get("description", "")),
url=result.get("url", ""),
publishedDate=_extract_published_date(result.get("page_age")),
pubdate=result.get("age", ""),
thumbnail=thumbnail.get("src", "") if thumbnail and not thumbnail.get("logo") else "",
)
def _parse_secondary_items(json_data: dict[str, t.Any], results: EngineResults):
# video results utilize same schema as video search -> re-use _parse_video_result
body_resp: dict[str, t.Any] = _get_response_data(json_data)
videos_resp: dict[str, t.Any] = body_resp.get("videos", {})
if videos_resp and "results" in videos_resp:
for result in videos_resp.get("results", []):
results.add(parse_video_result(result))
# related queries -> suggestion
query: dict[str, t.Any] = body_resp.get("query", {})
if query and "related_queries" in query:
for x in query.get("related_queries", []):
suggestion = " ".join(val[1] for val in x)
results.add(results.types.LegacyResult(suggestion=suggestion))
def parse_news_result(result: dict[str, t.Any]) -> MainResult:
thumbnail: dict[str, t.Any] = result.get("thumbnail", {})
return MainResult(
title=result.get("title", ""),
content=result.get("description", ""),
url=result.get("url"),
publishedDate=_extract_published_date(result.get("age")),
pubdate=result.get("age", ""),
thumbnail=thumbnail.get("src", "") if thumbnail else "",
)
def parse_image_result(result: dict[str, t.Any]) -> Image:
properties: dict[str, t.Any] = result.get("properties", {})
thumbnail: dict[str, t.Any] = result.get("thumbnail", {})
width, height = properties.get("width"), properties.get("height")
return Image(
title=result.get("title", ""),
url=result.get("url"),
img_src=properties.get("url", ""),
thumbnail_src=thumbnail.get("src", "") if thumbnail else "",
source=result.get("source", ""),
resolution=f"{width}x{height}" if width and height else "",
)
def parse_video_result(result: dict[str, t.Any]) -> Video:
video: dict[str, t.Any] = result.get("video", {})
thumbnail: dict[str, t.Any] = result.get("thumbnail", {})
return Video(
title=result.get("title", ""),
url=result.get("url"),
content=result.get("description", ""),
length=video.get("duration"),
publishedDate=_extract_published_date(result.get("age")),
pubdate=result.get("age", ""),
views=video.get("views", ""),
thumbnail=thumbnail.get("src", "") if thumbnail else "",
)
def _get_response_data(json_data: dict[str, t.Any], category: str | None = None) -> dict[str, t.Any]:
"""Navigate the Brave embedded JSON to the category-specific response object."""
# Brave’s structure is mostly consistent but has a couple of quirks:
# - most categories live under data[1].data.body.response.<category>
# - news omits the intermediate "body" key
try:
data: dict[str, t.Any] = json_data["data"][1]["data"]
if data.get("noResults"): # Boolean Value
return {}
if category == "news":
return data["response"]["news"]
body_resp = data["body"]["response"]
if category in ("search", "goggles"):
return body_resp["web"]
# images / videos / secondary items
return body_resp
except (KeyError, IndexError, TypeError) as e:
raise SearxEngineResponseException(f"Unexpected Brave JSON structure for category {category!r}") from e
def _parse_results(parse_func: Callable[..., MainResult | Image], resp: "SXNG_Response") -> EngineResults:
"""Extract json data and loop through result list
The suppled :py.obj:`parse_func` parses individual result items
General search / goggle search relies on :py.obj:`_parse_secondary_items` for mixed result-types"""
# Example script source containing the data:
#
# kit.start(app, element, {
# node_ids: [0, 19],
# data: [{type:"data",data: .... ["q","goggles_id"],route:1,url:1}}]
# ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
results = EngineResults()
json_data: dict[str, t.Any] = extract_json_data(resp.text)
json_resp: dict[str, t.Any] = _get_response_data(json_data, brave_category)
if not json_resp:
# if _get_response_data returns {} - indicates it was parsed successfully but had "noResults" = True
return results
json_results: list[dict[str, t.Any]] = json_resp["results"]
for result in json_results:
results.add(parse_func(result))
# general search / goggle might have secondary items
if brave_category in ("search", "goggles"):
_parse_secondary_items(json_data, results)
return results
[docs]
def fetch_traits(engine_traits: EngineTraits):
"""Fetch :ref:`languages <brave languages>` and :ref:`regions <brave
regions>` from Brave."""
# pylint: disable=import-outside-toplevel, too-many-branches
import babel.languages
from searx.locales import language_tag, region_tag
from searx.network import get # see https://github.com/searxng/searxng/issues/762
engine_traits.custom["ui_lang"] = {}
lang_map = {"no": "nb"} # norway
# languages (UI)
resp = get("https://search.brave.com/settings", timeout=5)
if not resp.ok:
raise RuntimeError("Response from Brave languages is not OK.")
dom = resp.html()
for option in dom.xpath("//section//option[@value='en-us']/../option"):
ui_lang = option.get("value")
try:
l = babel.Locale.parse(ui_lang, sep="-")
if l.territory:
sxng_tag = region_tag(babel.Locale.parse(ui_lang, sep="-"))
else:
sxng_tag = language_tag(babel.Locale.parse(ui_lang, sep="-"))
except babel.UnknownLocaleError:
# silently ignore unknown languages
continue
if conflict := engine_traits.custom["ui_lang"].get(sxng_tag):
if conflict != ui_lang:
print(f"CONFLICT: babel {sxng_tag} --> {conflict}, {ui_lang}")
continue
engine_traits.custom["ui_lang"][sxng_tag] = ui_lang
# search regions of brave
resp = get(
"https://cdn.search.brave.com/serp/v2/_app/immutable/chunks/parameters.734c106a.js",
timeout=5,
)
if not resp.ok:
raise RuntimeError("Response from Brave regions is not OK.")
country_js = resp.text[resp.text.index("options:{all") + len("options:") :]
country_js = country_js[: country_js.index("},k={default")]
country_tags = js_obj_str_to_python(country_js)
for k, v in country_tags.items():
if k == "all":
engine_traits.all_locale = "all"
continue
country_tag = v["value"]
# add official languages of the country ..
for lang_tag in babel.languages.get_official_languages(country_tag, de_facto=True):
lang_tag = lang_map.get(lang_tag, lang_tag)
try:
sxng_tag = region_tag(babel.Locale.parse(f"{lang_tag}_{country_tag.upper()}"))
except babel.UnknownLocaleError:
# silently ignore unknown languages
continue
# print("%-20s: %s <-- %s" % (v["label"], country_tag, sxng_tag))
conflict = engine_traits.regions.get(sxng_tag)
if conflict and conflict != country_tag:
print(f"CONFLICT: babel {sxng_tag} --> {conflict}, {country_tag}")
continue
engine_traits.regions[sxng_tag] = country_tag