How to make tabs in pyqt5 display a favicon from any website?

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Python

tabs

browser

PyQt

Hello, I'm am making a browser(like Firefox, Chrome, Opera) using pyqt5, the user can open new tabs & close them. I am trying to make the tab icon change to the websites favicon.

I did some research and I found out that most website store their icon in https://example.com/favicon.ico (their must be some better way to get the favicon from a website)

I am not able to find a method to display an image on the tab from the web.

What I have tried:

I tried this but then found out I cannot use QIcon to display the icon from the link. It only reads an image from a file path:

current_tab_index = self.tabs.currentIndex()
url = "http://www.google.com/favicon.ico"
NetworkAccessManager = QNetworkAccessManager()

print(current_tab_index)
self.tabs.setTabIcon(current_tab_index, QIcon(url))

I found something with QPixmap, but do not know how to apply it to a tab:

from PyQt5.QtWebEngineWidgets import *
from PyQt5.QtPrintSupport import *

from PyQt5 import QtCore, QtGui, QtWidgets

from PyQt5.QtCore import QUrl
from PyQt5.QtNetwork import QNetworkAccessManager, QNetworkRequest

app = QApplication([])
url = "http://www.google.com/favicon.ico"
lbl = QLabel("Loading...")
nam = QNetworkAccessManager()

def finishRequest(reply):
    img = QImage()
    img.loadFromData(reply.readAll())
    lbl.setPixmap(QPixmap(img))

nam.finished.connect(finishRequest)
nam.get(QNetworkRequest(QUrl(url)))
lbl.show()
app.exec_()