Files
hermes-agent/plugins/web/exa/provider.py

87 lines
3.1 KiB
Python

"""Exa web search + content extraction via the ``exa-py`` SDK (lazy-installed).
Env: ``EXA_API_KEY`` (https://exa.ai). Both methods are sync — Exa's SDK is
sync-only; the dispatcher threads extract when the caller is async.
"""
from __future__ import annotations
import logging
from typing import Any, Dict, List
from plugins.web._common import (
BaseWebSearchProvider,
cached_sdk_client,
document,
keyless_variant_schema,
provider_env,
run_extract,
run_search,
search_ok,
use_keyless,
web_hit,
)
logger = logging.getLogger(__name__)
_MISSING_KEY = "EXA_API_KEY environment variable not set. Get your API key at https://exa.ai"
def _get_exa_client() -> Any:
def _factory(api_key: str) -> Any:
from exa_py import Exa # deliberately lazy
client = Exa(api_key=api_key)
client.headers["x-exa-integration"] = "hermes-agent"
return client
return cached_sdk_client("_exa_client", "EXA_API_KEY", _MISSING_KEY, "search.exa", _factory)
class ExaWebSearchProvider(BaseWebSearchProvider):
"""Exa search + extract provider."""
NAME = "exa"
DISPLAY_NAME = "Exa"
KEY_ENV = "EXA_API_KEY"
EXTRACT = True
KEYLESS = True
def search(self, query: str, limit: int = 5) -> Dict[str, Any]:
def _body() -> Dict[str, Any]:
from plugins.web.keyless_mcp import search_with_failover
if use_keyless("exa", provider_env("EXA_API_KEY")):
logger.info("Exa keyless search: '%s' (limit=%d)", query, limit)
return search_with_failover("exa", query, limit)
logger.info("Exa search: '%s' (limit=%d)", query, limit)
response = _get_exa_client().search(query, num_results=limit, contents={"highlights": True})
return search_ok([
web_hit(r.url or "", r.title or "", " ".join(r.highlights or []), i + 1)
for i, r in enumerate(response.results or [])
])
return run_search("Exa", logger, _body, sdk=True)
def extract(self, urls: List[str], **kwargs: Any) -> List[Dict[str, Any]]:
def _body() -> List[Dict[str, Any]]:
from plugins.web.keyless_mcp import extract_with_failover
if use_keyless("exa", provider_env("EXA_API_KEY")):
logger.info("Exa keyless extract: %d URL(s)", len(urls))
return extract_with_failover("exa", list(urls))
logger.info("Exa extract: %d URL(s)", len(urls))
response = _get_exa_client().get_contents(urls, text=True)
return [document(r.url or "", r.title or "", r.text or "") for r in response.results or []]
return run_extract("Exa", logger, urls, _body, sdk=True)
def get_setup_schema(self) -> Dict[str, Any]:
return keyless_variant_schema(
"Exa", "EXA_API_KEY", "https://exa.ai",
free_tag="Semantic + neural web search with content extraction on Exa's anonymous free tier. Rate-limited under burst load.",
paid_tag="Semantic + neural web search with content extraction via the Exa SDK. Unthrottled, guaranteed service.",
)