WEBUFFER.py

import sys
from PyQt5 import QtGui
from PyQt5.QtCore import *
from PyQt5.QtWidgets import *
from PyQt5.QtWebEngineWidgets import *

def application_():
    class MainWindow(QMainWindow):
        def __init__(self):
            super(MainWindow, self).__init__()
            self.browser = QWebEngineView()
            self.browser.setUrl(QUrl('https://google.com'))
            self.setCentralWidget(self.browser)
            self.showMaximized()

            # navbar
            self.setWindowIcon(QtGui.QIcon('Images\\ico.png'))
            navbar = QToolBar()
            self.addToolBar(navbar)

            back_btn = QAction('Back', self)
            back_btn.triggered.connect(self.browser.back)
            navbar.addAction(back_btn)

            forward_btn = QAction('Forward', self)
            forward_btn.triggered.connect(self.browser.forward)
            navbar.addAction(forward_btn)

            reload_btn = QAction('Reload', self)
            reload_btn.triggered.connect(self.browser.reload)
            navbar.addAction(reload_btn)

            home_btn = QAction('Home', self)
            home_btn.triggered.connect(self.navigate_home)
            navbar.addAction(home_btn)

            self.url_bar = QLineEdit()
            self.url_bar.returnPressed.connect(self.navigate_to_url)
            navbar.addWidget(self.url_bar)

            self.browser.urlChanged.connect(self.update_url)

        def navigate_home(self):
            self.browser.setUrl(QUrl('https://google.com'))

        def navigate_to_url(self):
            url = self.url_bar.text()
            self.browser.setUrl(QUrl(url))

        def update_url(self, q):
            self.url_bar.setText(q.toString())


    app = QApplication(sys.argv)
    QApplication.setApplicationName('WEBUFFER')
    window = MainWindow()
    app.exec_()