Maya 2012 freezing after running pyqt gui

[Panupat Chongstitwattana]

Hi.

I'm following example from a book "Rapid GUI Programming with Python and Qt"

http://www.qtrac.eu/pyqtbook.html

I am on chapter 4 where it shows a little calculator script with gui.

Running the pyw on windows, and copy paste the script into 2010, the
script works fine with nothing wrong

On Maya 2012 tho it freezes Maya. The calcualtor itself does work, I
can move it around and do calculations. I don't understand what is it
doing that freezes Maya. Can anyone help look at the code?

The code can be downloaded here, it's in chapter 4 called calculator.pyw
http://www.qtrac.eu/pyqtbook26.zip

Best regard,
Panupat C.

[David Moulder]

It will be the app.exec_() call.

There can only be one qApp and Maya is now built with QT.  This is why it works in 2010 and not in 2011 and up.

In fact.  You only have 1 qApp even if 2 versions of QT maya's are up and running.

just do:-

form = Form()

form.show()

See http://nathanhorne.com/

for more useful stuff!

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David Moulder
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[Panupat Chongstitwattana]

Oh. Thanks David. I doubt I'll ever figure that one out on my own.

Best regard,
Panupat C.

[Justin Israel]

Nathan wasn't on this thread. David linked to a website ;-)
Do you have a small reproducible example of your issue?

On Sun, 23 Nov 2014 4:49 PM johnkra <jmal...@gmail.com> wrote:

Hi Nathan,

I've dug this post up from a google search :)

I tried this Panupat's calculator script and your suggestion out, however Maya still locks me out of the primary window. I'm a newb on QT related things and was hoping you could help!

Best,

John

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