多线程池Flask实战应用

多线程池Flask实战应用

import json
import time

import flask
from concurrent.futures import ThreadPoolExecutor

app = flask.Flask(__name__)

pool = ThreadPoolExecutor()


def read_file():
    time.sleep(0.5)
    return "success"


def read_db():
    time.sleep(0.6)
    return "success"


def read_api():
    time.sleep(0.3)
    return "success"


@app.route("/")
def index():
    res_file = pool.submit(read_file)
    res_db = pool.submit(read_db)
    res_api = pool.submit(read_api)
    return {
        "res_file": res_file.result(),
        "res_db": res_db.result(),
        "res_api": res_api.result(),
    }


if __name__ == '__main__':
    app.run()