29 lines
663 B
Python
29 lines
663 B
Python
|
|
from fastapi import FastAPI
|
|
import asyncio
|
|
|
|
app = FastAPI()
|
|
user_sched = {}
|
|
|
|
async def my_async_task():
|
|
# 这里是异步任务的代码
|
|
# 倒计时3秒
|
|
await asyncio.sleep(10)
|
|
print("close")
|
|
|
|
async def task_start(username, device):
|
|
task = asyncio.create_task(my_async_task())
|
|
user_sched[username] = task
|
|
@app.get("/video/{username}/{device}")
|
|
async def startup(username, device):
|
|
if username not in user_sched:
|
|
await task_start(username, device)
|
|
else:
|
|
t = user_sched['1']
|
|
t.cancel()
|
|
await task_start()
|
|
|
|
if __name__ == "__main__":
|
|
import uvicorn
|
|
uvicorn.run(app, host="0.0.0.0", port=8004)
|