import firebase_admin
from firebase_admin import credentials
from firebase_admin import db

cred = credentials.Certificate("2.json")
firebase_admin.initialize_app(cred,{
    'databaseURL':'https://new1-3b819.firebaseio.com/'
})
def funcion(fondo):

    ref = db.reference('/Imagenes')
    r1 = ref.get()
    for key in r1.values():
        print(str(key))
        s = str(key)
        fondo.setStyleSheet("background:"+s+";")

from PyQt5.QtWidgets import QMainWindow,QApplication
from PyQt5 import uic
from npy import *

class Principal(QMainWindow):
    def __init__(self):
        QMainWindow.__init__(self)
        uic.loadUi("im.ui",self)

        funcion(self.frame)




app = QApplication([])
p=Principal()
p.show()
app.exec_()

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