Displaying web page with PyQt5 WebEngine

Question

I encountered some problems with the use of the library QtWebEngineWidgets. The main idea is to display PDF in a QWebEngineView, so I want firstly to display simply a web page like https://google.com.

I tested a lot of code from different websites and forums but I have always the same problem, the PyQt page show nothing.

I would like to get your attention to a code from codeloop (https://codeloop.org/python-how-to-make-browser-in-pyqt5-with-pyqtwebengine/)

import sys
from PyQt5.Qt import *
from PyQt5.QtWebEngineWidgets import *
from PyQt5.QtWidgets import QApplication

app = QApplication(sys.argv)

web = QWebEngineView()

web.load(QUrl("https://google.com"))

web.show()

sys.exit(app.exec_())

( I chose this because it's a simple code and illustrate perfectly the problem that I encounter all the time )

I remain open to all your answers and comments.

{EDIT} I have : PyQt5 5.15.0 PyQt5-sip 12.8.0 PyQtWebEngine 5.15.0

(Dialog box: The application failed to start correctly)

What version of pyqt5 and pyqtwebengine do you have installed? you could run your script from CMD/console — eyllanesc
– eyllanesc, Commented Jul 26, 2020 at 15:56
did u consider the dialogue boxes? the code works fine. may be some problem with the istallation — Adhun Thalekkara
– Adhun Thalekkara, Commented Jul 26, 2020 at 16:05
Thank for your answer @eyllanesc, I edited my post with the versions. I found an error when I launch the program: I put a screenshot in my post. edit: you talk about a dialog box like in my screenshot ? — Fabien Denoyelle
– Fabien Denoyelle, Commented Jul 26, 2020 at 16:06
@FabienDenoyelle I don't understand the error message, can you translate to english? Also try install pyqt5 pyqtwebengine older: python -m pip install pyqt5==5.14.0 pyqtwebengine==5.14.0 — eyllanesc
– eyllanesc, Commented Jul 26, 2020 at 16:10

Gunther Struyf · Accepted Answer · 2023-05-25 20:30:30Z

1

Thanks to @eyllanesc, in fact the problem is with permissions. By creating a virtual environment according to the python documentation (https://docs.python.org/3/tutorial/venv.html), my program work perfectly.

edited May 25, 2023 at 20:30

Gunther Struyf

11.2k2 gold badges36 silver badges58 bronze badges

answered Jul 26, 2020 at 18:49

Fabien Denoyelle

1171 silver badge10 bronze badges

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