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我有一个简单的 Web 服务应用程序，我用它来测试从 Python 通过 Parse.com 发送推送。

我的应用程序使用 Flask 模块和ParsePy 模块。下面列出的代码适用于 Push.alert(notification, channels=["pushDebug"])- 我在订阅该频道的设备上看到通知。

现在我正在尝试向特定设备 ID 发送推送，但没有看到通知通过。

为特定用户 ID（Parse 中定义的自定义字段）定义“Where”查询的正确语法是什么？这是需要此查询的代码行：Push.alert(notification, where={"kDeviceID": str(deviceID)})

我发现的例子

Push.alert({"alert": "The Mets scored! The game is now tied 1-1.",
            "badge": "Increment", "title": "Mets Score"}, channels=["Mets"],
            where={"scores": True})

或（取自解析官方文档）

"where": {
          "user_id": "user_123"
        }

我的网络服务：

from flask import Flask
from flask import Response, jsonify, request, redirect, url_for

from parse_rest.connection import register
from parse_rest.installation import Push

import socket



app = Flask(__name__)
didRegisterWithParse = 0  

def checkRegister():
    if didRegisterWithParse == 0:        
        register(
                 "APPLICATION_ID",
                 "REST_API_KEY",
                 master_key="MASTER_KEY"
                 )
        global didRegisterWithParse
        didRegisterWithParse = 1
        return


  @app.route('/testparsepush/')
    def testparsepush():

        deviceID = request.args.get('device_id')

        hostString = "http://%s:5000/getcommand/" % socket.gethostbyname(socket.gethostname())

        notification = {"alert": "Parse Test","title": "Push from Python", "host": hostString}

        checkRegister()

        # send push notification through parse

        resp = None

        if deviceID:
            Push.alert(notification, where={"kDeviceID": str(deviceID)})
            #prepare response
            resp = jsonify(message = 'sent alert to deviceID: ' + str(deviceID))

        else:
            Push.alert(notification, channels=["pushDebug"])
            resp = jsonify(message = 'sent alert to channel pushDebug')

        resp.status_code = 200
        return resp




if __name__ == '__main__':

    print(socket.gethostbyname(socket.gethostname()))
    app.run(host='0.0.0.0')
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