PyAsterisk: How To Gracefully Exit From Event Loop

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Hello,

I’m using py-Asterisk 0.5.3. I’m trying to use it along a Tkinter-based GUI so I’ve dedicated a thread for reading incoming AMI events.

Which is the preferred way to gracefully exit from an event loop ?
More precisely:

This thread is waiting for input events with Manager._read_packet() method. Doc (see [1]) says:
“… infinite loop running BaseManager.read() until an exception occurs
(for example, SystemExit is raised) or until sys.exit() is called”

The best method I could find is to close Manager connection and catch exception.

Any advice ?

Regards

[1]
http://py-asterisk.googlecode.com/hg-history/242456f432f2fa2727b26d648bcf7dc502fdcc51/doc/GUIDE.html