Files
hey-search/backend/app/engines/brave.py
T
2026-02-23 14:37:07 +11:00

96 lines
3.3 KiB
Python

"""Brave Search engine implementation."""
from __future__ import annotations
import logging
from urllib.parse import urlencode
from lxml import html as lxml_html
from app.models import WebResult, ImageResult
from app.engines.base import SearchEngine, get_http_client
logger = logging.getLogger(__name__)
BASE_URL = "https://search.brave.com"
class BraveEngine(SearchEngine):
name = "brave"
display_name = "Brave"
supports_web = True
supports_images = True
async def search_web(self, query: str, page: int = 1) -> list[WebResult]:
args = {"q": query, "source": "web"}
if page > 1:
args["offset"] = page - 1
client = get_http_client()
resp = await client.get(
f"{BASE_URL}/search?{urlencode(args)}",
headers={"Accept-Encoding": "gzip, deflate"},
cookies={"safesearch": "moderate", "useLocation": "0", "country": "all"},
)
resp.raise_for_status()
results: list[WebResult] = []
dom = lxml_html.fromstring(resp.text)
for el in dom.xpath("//div[contains(@class, 'snippet ')]"):
url_els = el.xpath(".//a/@href")
title_els = el.xpath(".//div[contains(@class, 'title')]")
if not url_els or not title_els:
continue
url = url_els[0]
if not url.startswith("http"):
continue
title = title_els[0].text_content().strip()
content_els = el.xpath(".//div[contains(concat(' ', @class, ' '), ' content ')]")
content = content_els[0].text_content().strip() if content_els else ""
results.append(WebResult(title=title, url=url, content=content, engine=self.name))
return results
async def search_images(self, query: str, page: int = 1) -> list[ImageResult]:
args = {"q": query, "source": "web"}
client = get_http_client()
resp = await client.get(
f"{BASE_URL}/images?{urlencode(args)}",
headers={"Accept-Encoding": "gzip, deflate"},
cookies={"safesearch": "moderate", "useLocation": "0", "country": "all"},
)
resp.raise_for_status()
results: list[ImageResult] = []
dom = lxml_html.fromstring(resp.text)
for el in dom.xpath("//div[contains(@class, 'img-card')]"):
img_els = el.xpath(".//img/@src")
link_els = el.xpath(".//a/@href")
title_els = el.xpath(".//span[contains(@class, 'title')]")
if not img_els or not link_els:
continue
results.append(ImageResult(
title=title_els[0].text_content().strip() if title_els else "",
url=link_els[0],
img_src=img_els[0],
thumbnail_src=img_els[0],
source="Brave",
engine=self.name,
))
return results
async def autocomplete(self, query: str) -> list[str]:
client = get_http_client()
resp = await client.get(
f"https://search.brave.com/api/suggest?{urlencode({'q': query})}",
cookies={"country": "all"},
)
if resp.is_success:
data = resp.json()
if isinstance(data, list) and len(data) > 1:
return data[1][:10]
return []