Chapter 16

1. The following code is giving you an attribute error; what's wrong?

   from PyQt5 import QtWebEngine as qtwe
   w = qtwe.QWebEngineView()

You want to import QtWebEngineWidgets, not QtWebEngine. The latter is for use with Qt's QML frontend.

2. The following code should connect this UrlBar class with QWebEngineView, so that the entered URL is loaded when the return/Enter key is pressed. It doesn't work, though; what is wrong?

   class UrlBar(qtw.QLineEdit):

       url_request = qtc.pyqtSignal(str)

       def __init__(self):
           super().__init__()
           self.returnPressed.connect(self.request)

       def request(self):
           self.url_request.emit(self.text())

   mywebview = qtwe.QWebEngineView()
   myurlbar = UrlBar()
   myurlbar.url_request(mywebview.load)

QWebEngineView.load() requires a QUrl object, not a string. The url_request signal sends the...