langchain/libs/community/langchain_community/utilities/jina_search.py
Mohammad Mohtashim 96ad09fa2d
(Community): Added API Key for Jina Search API Wrapper (#29622)
- **Description:** Simple change for adding the API Key for Jina Search
API Wrapper
- **Issue:** #29596
2025-02-12 20:12:07 -08:00

86 lines
2.6 KiB
Python

import json
from typing import Any, Dict, List
import requests
from langchain_core.documents import Document
from langchain_core.utils import get_from_dict_or_env
from pydantic import BaseModel, ConfigDict, SecretStr, model_validator
from yarl import URL
class JinaSearchAPIWrapper(BaseModel):
"""Wrapper around the Jina search engine."""
api_key: SecretStr
base_url: str = "https://s.jina.ai/"
"""The base URL for the Jina search engine."""
model_config = ConfigDict(
extra="forbid",
)
@model_validator(mode="before")
@classmethod
def validate_environment(cls, values: Dict) -> Any:
"""Validate that api key and endpoint exists in environment."""
api_key = get_from_dict_or_env(values, "api_key", "JINA_API_KEY")
values["api_key"] = api_key
return values
def run(self, query: str) -> str:
"""Query the Jina search engine and return the results as a JSON string.
Args:
query: The query to search for.
Returns: The results as a JSON string.
"""
web_search_results = self._search_request(query=query)
final_results = [
{
"title": item.get("title"),
"link": item.get("url"),
"snippet": item.get("description"),
"content": item.get("content"),
}
for item in web_search_results
]
return json.dumps(final_results)
def download_documents(self, query: str) -> List[Document]:
"""Query the Jina search engine and return the results as a list of Documents.
Args:
query: The query to search for.
Returns: The results as a list of Documents.
"""
results = self._search_request(query)
return [
Document(
page_content=item.get("content"), # type: ignore[arg-type]
metadata={
"title": item.get("title"),
"link": item.get("url"),
"description": item.get("description"),
},
)
for item in results
]
def _search_request(self, query: str) -> List[dict]:
headers = {
"Accept": "application/json",
"Authorization": f"Bearer {self.api_key.get_secret_value()}",
}
url = str(URL(self.base_url + query))
response = requests.get(url, headers=headers)
if not response.ok:
raise Exception(f"HTTP error {response.status_code}")
return response.json().get("data", [])