Python variable variables without eval?

Question

Is there is a way to access variables using a variable string in python? For instance, I would like a neater way than using eval for the following:

def toggleListButtons (self):
    buttons = ["flip", "remove", "removeAll", "delete", "deleteAll", "loadDirectory"]
    for button in buttons:
        eval("self." + button + "Button.setEnabled(!self." + button + "Button.isEnabled())")

+1 good question because eval is evil

msw
– msw

2012-08-24 14:31:58 +00:00
Commented Aug 24, 2012 at 14:31 — msw
– msw, Commented Aug 24, 2012 at 14:31
how evil? very. stackoverflow.com/questions/1832940/…

msw
– msw

2012-08-24 14:38:07 +00:00
Commented Aug 24, 2012 at 14:38 — msw
– msw, Commented Aug 24, 2012 at 14:38

Fabian · Accepted Answer · 2012-08-24 14:31:19Z

10

What you're looking for is the getattr() built-in function. There is also hasattr() and setattr().

button = getattr(self, 'flipButton')
button.setEnabled(True)

answered Aug 24, 2012 at 14:31

Fabian

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