Create your own browser | Python | PyQt5 | QtWebEngine

main.py

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

class CustomWindow(QMainWindow):

    def __init__(self):
        super(CustomWindow, self).__init__()
        self.browser = QWebEngineView()
        self.default_url = 'http://google.com'
        self.browser.setUrl(QUrl(self.default_url))
        self.setCentralWidget(self.browser)
        self.showMaximized()
        self.navbar = ""
        self.setup_navbar()

    def setup_navbar(self):
        # navbar
        self.navbar = QToolBar()
        self.addToolBar(self.navbar)
        self.create_nav_btn('Back', self.browser.back)
        self.create_nav_btn('Reload', self.browser.reload)
        self.create_nav_btn('Forward', self.browser.forward)
        self.create_nav_btn('Home', self.navigate_home)

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

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

    def create_nav_btn(self, btn_name, action_obj):
        temp_btn = QAction(btn_name, self)
        temp_btn.triggered.connect(action_obj)
        self.navbar.addAction(temp_btn)

    def navigate_home(self):
        self.browser.setUrl(QUrl(self.default_url))

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

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


if __name__ == '__main__':
    app = QApplication(sys.argv)
    QApplication.setApplicationName("Root")
    window = CustomWindow()
    app.exec_()

requirements.txt

PyQt5==5.15.7
PyQt5-Qt5==5.15.2
PyQt5-sip==12.11.0
PyQtWebEngine==5.15.6
PyQtWebEngine-Qt5==5.15.2