| from fastapi import FastAPI, HTTPException |
| from pydantic import BaseModel |
| from typing import List, Optional, Union |
| import asyncio |
|
|
| from serve import run_model_prompt_queries |
|
|
| app = FastAPI() |
|
|
| |
| status = { |
| "is_running": False, |
| "done": 0, |
| "total": 0, |
| } |
|
|
| status_lock = asyncio.Lock() |
| lock = asyncio.Lock() |
| running_task: Optional[asyncio.Task] = None |
|
|
| class QueryRequest(BaseModel): |
| models: List[str] |
| prompts: List[str] |
| titles: Optional[List[str]] |
| num_elems: List[int] |
| num_repeats: Union[int, List[List[int]]] |
|
|
| @app.post("/run") |
| async def run_queries(req: QueryRequest): |
| global running_task |
|
|
| if lock.locked(): |
| raise HTTPException(status_code=400, detail="Server is already processing a request.") |
|
|
| async def run_and_track(): |
| async with lock: |
| status["is_running"] = True |
| status["done"] = 0 |
| status["total"] = len(req.models) * len(req.prompts) * req.num_repeats |
|
|
| async def progress_callback(): |
| async with status_lock: |
| status["done"] += 1 |
|
|
| try: |
| await run_model_prompt_queries(**req.model_dump(), progress_cb=progress_callback) |
| except asyncio.CancelledError: |
| print("Task was cancelled.") |
| raise |
| finally: |
| status["is_running"] = False |
|
|
| |
| running_task = asyncio.create_task(run_and_track()) |
| return {"status": "started"} |
|
|
| @app.post("/cancel") |
| async def cancel_query(): |
| global running_task |
|
|
| if running_task is None or running_task.done(): |
| return {"status": "no task running"} |
|
|
| running_task.cancel() |
| try: |
| await running_task |
| except asyncio.CancelledError: |
| pass |
|
|
| return {"status": "cancelled"} |
|
|
| @app.get("/status") |
| async def get_status(): |
| return status |
|
|
