Shawn Walker wrote:
On 02/11/10 10:34 AM, John Rice wrote:
Hi - following webrev fixes a number of issues with unhandled exceptions
that can be raised by the API in particular the ImageLockedError.
http://cr.opensolaris.org/~jmr/14481_image_lock_not_handled_11Feb_425pm/
14481 Package version Info image lock exception not handled
14437 pm traceback in update_all on startup
gui/modules/webinstall.py:
lines 487-492: these are all covered by ApiException, so that's the
only thing you need here
Cool will change it.
General:
So one thing that isn't clear to me is how the background threads PM
uses to retrieve package information via api_obj.info() work.
Specifically, if it tries to retrieve some package information, and it
can't because an ImageLockedError() gets raised (which isn't totally
accurate, what's really locked is the ImageInterface because there's
another transport operation in progress, but it's effectively the same
to consumers), how soon will it retry again or will it just give up
completely?
It just gives up, this is a low value operation, if it fails its not
catastrophic to the user. We do raise the image lock exception for the
user if they are trying to do something such as search, install, remove
and so on which is more important to flag directly to them. We are also
making judicious use of the busy cursor to try and prevent the user
getting into this situation in the first place, such as when you are
clicking on a row in the main list view.
JR
Cheers,
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