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"""Web search tool backed by DuckDuckGo (ddgs)."""
from __future__ import annotations
from ddgs import DDGS
from ..config import settings
def web_search(query: str, max_results: int | None = None) -> list[dict[str, str]]:
"""Search the web using DuckDuckGo and return compact result summaries.
Args:
query: The search query string.
max_results: Maximum number of results to return (default from settings).
Returns:
A list of dictionaries with keys 'title', 'href' and 'body' for each
result. Returns an empty list if the search fails or no results are found.
"""
if not query or not query.strip():
return []
limit = (
max_results if max_results is not None and max_results > 0 else settings.search_max_results
)
results: list[dict[str, str]] = []
try:
with DDGS() as ddgs:
for item in ddgs.text(query, max_results=limit):
results.append(
{
"title": str(item.get("title", "")).strip(),
"href": str(item.get("href") or item.get("url") or "").strip(),
"body": str(item.get("body") or item.get("snippet") or "").strip(),
}
)
except Exception: # noqa: BLE001
# Swallow network/runtime errors so the chat loop can continue.
return []
return results[:limit]
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