API 管理双11促销活动

from flask import Flask, request, jsonify
from flask_limiter import Limiter
from flask_limiter.util import get_remote_address

app = Flask(__name__)
limiter = Limiter(
    get_remote_address,
    app=app,
    default_limits=["200 per day", "50 per hour"]
)

@app.route("/api/promotion")
@limiter.limit("10 per minute")
def promotion():
    return jsonify({"message": "Promotion details here"})

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

import redis
import time

r = redis.Redis()

def acquire_lock(lock_name, acquire_timeout=10):
    identifier = str(uuid.uuid4())
    end = time.time() + acquire_timeout
    while time.time() < end:
        if r.setnx(lock_name, identifier):
            return identifier
        time.sleep(0.001)
    return False

def release_lock(lock_name, identifier):
    with r.pipeline() as pipe:
        while True:
            try:
                pipe.watch(lock_name)
                if pipe.get(lock_name) == identifier:
                    pipe.multi()
                    pipe.delete(lock_name)
                    pipe.execute()
                    return True
                pipe.unwatch()
                break
            except redis.WatchError:
                pass
    return False

from flask import Flask

app = Flask(__name__)

@app.route("/")
def hello_world():
    return "Hello, World!"

if __name__ == "__main__":
    app.run(ssl_context='adhoc')