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我已经在 pythonanywhere 的在线 python 服务器中安装了 pyrebase,当我收到来自 HTTP 客户端的请求时,我正在尝试使用流来检查子节点处的更改值。这是代码:

from flask import Flask
from flask import request
import requests
import pyrebase

firebase = pyrebase.initialize_app(config)

app = Flask(__name__)


@app.route("/IOTSENSE/PINS", methods=["POST","GET"])
def handler():
    username = request.get_data()
    print(username.decode("utf-8"))
    username = username.decode("utf-8")
    result = [x.strip() for x in username.split(',')]
    print(result)

    db = firebase.database()
    users = db.child(device).child(child).get()
    print(users.val())

    def requestHandler(message):
        print(message["event"]) # put
        print(message["path"]) # /-K7yGTTEp7O549EzTYtI
        print(message["data"]) # {'title': 'Pyrebase', "body": "etc..."}

    my_stream = db.child("Data").stream(requestHandler)


    if r.status_code != 200:
     print( "Error:", r.status_code)
    return ""

pyrebase 的 get、post 和 patch 功能运行良好。知道为什么流不起作用吗?

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