100 lines
3.2 KiB
Python
100 lines
3.2 KiB
Python
import json
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from typing import Any, Dict
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import httpx
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from langchain_core.tools import BaseTool
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from config import Config
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class SrApiQueryTool(BaseTool):
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"""调用 SR API 执行 SQL 查询"""
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name: str = "sr_api_query"
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description: str = (
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"调用 SR API 执行 SQL 查询。输入为 JSON 字符串，示例："
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'{"sql":"SELECT * FROM table","page":1,"rows":10,"orderBySelect":true,"timeout":30}'
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)
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def _run(self, payload: str) -> str:
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"""执行 SQL 查询"""
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try:
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data = json.loads(payload)
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except Exception as e:
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return f"请求参数解析失败: {e}"
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sql = data.get("sql")
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page = int(data.get("page", 1))
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rows = int(data.get("rows", 10))
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order_by_select = bool(data.get("orderBySelect", True))
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timeout = float(data.get("timeout", 30))
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if not sql:
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return "缺少 sql"
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cfg = Config.get_section("sr_api")
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url = cfg.get("url")
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app_key = cfg.get("llzappkey")
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secret_key = cfg.get("llzsercret")
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if not url or not app_key or not secret_key:
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return "sr_api 配置缺失 url/llzAppkey/llzSercret"
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headers = {"llzAppkey": app_key, "llzSercret": secret_key}
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body = {"sql": sql, "page": page, "rows": rows, "orderBySelect": order_by_select}
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try:
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with httpx.Client(timeout=timeout) as client:
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response = client.post(url, json=body, headers=headers)
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return json.dumps(
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{
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"status_code": response.status_code,
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"headers": dict(response.headers),
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"text": response.text,
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},
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ensure_ascii=False,
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)
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except Exception as e:
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return f"请求失败: {e}"
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async def _arun(self, payload: str) -> str:
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"""工具的异步版本"""
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try:
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data = json.loads(payload)
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except Exception as e:
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return f"请求参数解析失败: {e}"
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sql = data.get("sql")
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page = int(data.get("page", 1))
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rows = int(data.get("rows", 10))
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order_by_select = bool(data.get("orderBySelect", True))
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timeout = float(data.get("timeout", 30))
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if not sql:
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return "缺少 sql"
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cfg = Config.get_section("sr_api")
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url = cfg.get("url")
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app_key = cfg.get("llzappkey")
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secret_key = cfg.get("llzsercret")
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if not url or not app_key or not secret_key:
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return "sr_api 配置缺失 url/llzAppkey/llzSercret"
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headers = {"llzAppkey": app_key, "llzSercret": secret_key}
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body = {"sql": sql, "page": page, "rows": rows, "orderBySelect": order_by_select}
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try:
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async with httpx.AsyncClient(timeout=timeout) as client:
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response = await client.post(url, json=body, headers=headers)
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return json.dumps(
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{
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"status_code": response.status_code,
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"headers": dict(response.headers),
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"text": response.text,
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},
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ensure_ascii=False,
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)
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except Exception as e:
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return f"请求失败: {e}"
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