PyQt5 supports a widget that displays websites named QWebView.
QWebView uses the Webkit rendering engine
The web browser engine is used by Safari, App Store and many OS X applications.
The load() method opens the url (QUrl) in the argument. You can create a QUrl using: QUrl(url).
The show() method is required to display the widget.
To use this widget you may need to install an additional package:
Read more about PyQt5.
PyQt5 webkit example
The example below loads a webpage in a PyQt5 window.