plano/demos/function_calling/api_server/app/main.py
2024-10-29 11:27:13 -07:00

90 lines
2.4 KiB
Python

import json
import random
from fastapi import FastAPI, Response
from datetime import datetime, date, timedelta, timezone
import logging
from pydantic import BaseModel
logger = logging.getLogger("uvicorn.error")
logger.setLevel(logging.INFO)
app = FastAPI()
@app.get("/healthz")
async def healthz():
return {"status": "ok"}
class WeatherRequest(BaseModel):
city: str
days: int = 7
units: str = "Farenheit"
@app.post("/weather")
async def weather(req: WeatherRequest, res: Response):
weather_forecast = {
"city": req.city,
"temperature": [],
"units": req.units,
}
for i in range(req.days):
min_temp = random.randrange(50, 90)
max_temp = random.randrange(min_temp + 5, min_temp + 20)
if req.units.lower() == "celsius" or req.units.lower() == "c":
min_temp = (min_temp - 32) * 5.0 / 9.0
max_temp = (max_temp - 32) * 5.0 / 9.0
weather_forecast["temperature"].append(
{
"date": str(date.today() + timedelta(days=i)),
"temperature": {"min": min_temp, "max": max_temp},
"units": req.units,
"query_time": str(datetime.now(timezone.utc)),
}
)
return weather_forecast
class InsuranceClaimDetailsRequest(BaseModel):
policy_number: str
@app.post("/insurance_claim_details")
async def insurance_claim_details(req: InsuranceClaimDetailsRequest, res: Response):
claim_details = {
"policy_number": req.policy_number,
"claim_status": "Approved",
"claim_amount": random.randrange(1000, 10000),
"claim_date": str(date.today() - timedelta(days=random.randrange(1, 30))),
"claim_reason": "Car Accident",
}
return claim_details
class DefaultTargetRequest(BaseModel):
messages: list
@app.post("/default_target")
async def default_target(req: DefaultTargetRequest, res: Response):
logger.info(f"Received messages: {req.messages}")
resp = {
"choices": [
{
"message": {
"role": "assistant",
"content": "I can help you with weather forecast or insurance claim details",
},
"finish_reason": "completed",
"index": 0,
}
],
"model": "api_server",
"usage": {"completion_tokens": 0},
}
logger.info(f"sending response: {json.dumps(resp)}")
return resp