How to access Qt components loaded from file?

Juan Christian juan0christian at
Tue Nov 18 19:15:13 CET 2014

> You can't have a slot like this:
> MainWindow.btn.clicked.connect(MainWindow.txtbox.setText(test()))
> because that's mean: "connect to the return of
> MainWindow.txtbox.setText(test())" and it's not possible at this stage
> of your program.
> Use instead a function:
> MainWindow.btn.clicked.connect(my_slot) # No parenthesis !
> def my_slot():
>      MainWindow.txtbox.setText(test())

Thanks, it's working. What would be a "professional" approach if I want to
constantly call a URL to get it's content and access this data within the

I mean, when I run the program I'm locked in the app.exec_() continuous
loop right? So I can't have a loop to get this data from the web, is there
any special signal/slot regarding this?
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