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#
#
# Agora Real Time Engagement
# Created by Tomas Liu in 2024-08.
# Copyright (c) 2024 Agora IO. All rights reserved.
#
#
import json
import aiohttp
from typing import Any
from dataclasses import dataclass
from ten import Cmd
from ten.async_ten_env import AsyncTenEnv
from ten_ai_base.config import BaseConfig
from ten_ai_base.types import LLMToolMetadata, LLMToolMetadataParameter, LLMToolResult, LLMToolResultLLMResult
from ten_ai_base.llm_tool import AsyncLLMToolBaseExtension
CMD_TOOL_REGISTER = "tool_register"
CMD_TOOL_CALL = "tool_call"
CMD_PROPERTY_NAME = "name"
CMD_PROPERTY_ARGS = "args"
TOOL_REGISTER_PROPERTY_NAME = "name"
TOOL_REGISTER_PROPERTY_DESCRIPTON = "description"
TOOL_REGISTER_PROPERTY_PARAMETERS = "parameters"
TOOL_CALLBACK = "callback"
CURRENT_TOOL_NAME = "get_current_weather"
CURRENT_TOOL_DESCRIPTION = "Determine current weather in user's location."
CURRENT_TOOL_PARAMETERS = {
"type": "object",
"properties": {
"location": {
"type": "string",
"description": "The city and state (use only English) e.g. San Francisco, CA",
}
},
"required": ["location"],
}
# for free key, only 7 days before, see more in https://www.weatherapi.com/pricing.aspx
HISTORY_TOOL_NAME = "get_past_weather"
HISTORY_TOOL_DESCRIPTION = "Determine weather within past 7 days in user's location."
HISTORY_TOOL_PARAMETERS = {
"type": "object",
"properties": {
"location": {
"type": "string",
"description": "The city and state (use only English) e.g. San Francisco, CA",
},
"datetime": {
"type": "string",
"description": "The datetime user is referring in date format e.g. 2024-10-09",
},
},
"required": ["location", "datetime"],
}
# for free key, only 3 days after, see more in https://www.weatherapi.com/pricing.aspx
FORECAST_TOOL_NAME = "get_future_weather"
FORECAST_TOOL_DESCRIPTION = "Determine weather in next 3 days in user's location."
FORECAST_TOOL_PARAMETERS = {
"type": "object",
"properties": {
"location": {
"type": "string",
"description": "The city and state (use only English) e.g. San Francisco, CA",
}
},
"required": ["location"],
}
PROPERTY_API_KEY = "api_key" # Required
@dataclass
class WeatherToolConfig(BaseConfig):
api_key: str = ""
class WeatherToolExtension(AsyncLLMToolBaseExtension):
def __init__(self, name: str) -> None:
super().__init__(name)
self.session = None
self.ten_env = None
self.config: WeatherToolConfig = None
async def on_init(self, ten_env: AsyncTenEnv) -> None:
ten_env.log_debug("on_init")
self.session = aiohttp.ClientSession()
async def on_start(self, ten_env: AsyncTenEnv) -> None:
ten_env.log_debug("on_start")
self.config = await WeatherToolConfig.create_async(ten_env=ten_env)
ten_env.log_info(f"config: {self.config}")
if self.config.api_key:
await super().on_start(ten_env)
self.ten_env = ten_env
async def on_stop(self, ten_env: AsyncTenEnv) -> None:
ten_env.log_debug("on_stop")
# TODO: clean up resources
if self.session:
await self.session.close()
self.session = None # Ensure it can't be reused accidentally
async def on_deinit(self, ten_env: AsyncTenEnv) -> None:
ten_env.log_debug("on_deinit")
async def on_cmd(self, ten_env: AsyncTenEnv, cmd: Cmd) -> None:
cmd_name = cmd.get_name()
ten_env.log_debug("on_cmd name {}".format(cmd_name))
await super().on_cmd(ten_env, cmd)
def get_tool_metadata(self, ten_env: AsyncTenEnv) -> list[LLMToolMetadata]:
return [
LLMToolMetadata(
name=CURRENT_TOOL_NAME,
description=CURRENT_TOOL_DESCRIPTION,
parameters=[
LLMToolMetadataParameter(
name="location",
type="string",
description="The city and state (use only English) e.g. San Francisco, CA",
required=True,
),
],
),
LLMToolMetadata(
name=HISTORY_TOOL_NAME,
description=HISTORY_TOOL_DESCRIPTION,
parameters=[
LLMToolMetadataParameter(
name="location",
type="string",
description="The city and state (use only English) e.g. San Francisco, CA",
required=True,
),
LLMToolMetadataParameter(
name="datetime",
type="string",
description="The datetime user is referring in date format e.g. 2024-10-09",
required=True,
),
],
),
LLMToolMetadata(
name=FORECAST_TOOL_NAME,
description=FORECAST_TOOL_DESCRIPTION,
parameters=[
LLMToolMetadataParameter(
name="location",
type="string",
description="The city and state (use only English) e.g. San Francisco, CA",
required=True,
),
],
),
]
async def run_tool(
self, ten_env: AsyncTenEnv, name: str, args: dict
) -> LLMToolResult | None:
ten_env.log_info(f"run_tool name: {name}, args: {args}")
if name == CURRENT_TOOL_NAME:
result = await self._get_current_weather(args)
return LLMToolResultLLMResult(
type="llmresult",
content=json.dumps(result),
)
elif name == HISTORY_TOOL_NAME:
result = await self._get_past_weather(args)
# result = LLMCompletionContentItemText(text="I see something")
return LLMToolResultLLMResult(
type="llmresult",
content=json.dumps(result),
)
elif name == FORECAST_TOOL_NAME:
result = await self._get_future_weather(args)
# result = LLMCompletionContentItemText(text="I see something")
return LLMToolResultLLMResult(
type="llmresult",
content=json.dumps(result),
)
async def _get_current_weather(self, args: dict) -> Any:
if "location" not in args:
raise ValueError("Failed to get property")
try:
location = args["location"]
url = f"http://api.weatherapi.com/v1/current.json?key={self.config.api_key}&q={location}&aqi=no"
async with self.session.get(url) as response:
result = await response.json()
return {
"location": result.get("location", {}).get("name", ""),
"temperature": result.get("current", {}).get("temp_c", ""),
"humidity": result.get("current", {}).get("humidity", ""),
"wind_speed": result.get("current", {}).get("wind_kph", ""),
}
except Exception as e:
self.ten_env.log_error(f"Failed to get current weather: {e}")
return None
async def _get_past_weather(self, args: dict) -> Any:
if "location" not in args or "datetime" not in args:
raise ValueError("Failed to get property")
location = args["location"]
datetime = args["datetime"]
url = f"http://api.weatherapi.com/v1/history.json?key={self.config.api_key}&q={location}&dt={datetime}"
async with self.session.get(url) as response:
result = await response.json()
# Remove all hourly data
if (
"forecast" in result
and "forecastday" in result["forecast"]
and result["forecast"]["forecastday"]
):
result["forecast"]["forecastday"][0].pop("hour", None)
return result
async def _get_future_weather(self, args: dict) -> Any:
if "location" not in args:
raise ValueError("Failed to get property")
location = args["location"]
url = f"http://api.weatherapi.com/v1/forecast.json?key={self.config.api_key}&q={location}&days=3&aqi=no&alerts=no"
async with self.session.get(url) as response:
result = await response.json()
# Log the result
self.ten_env.log_info(f"get result {result}")
# Remove all hourly data
for d in result.get("forecast", {}).get("forecastday", []):
d.pop("hour", None)
# Remove current weather data
result.pop("current", None)
return result
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