Ok, Mike. Thanks.
Ended up removing the trigger from the model and pushing that code to the
controller, so that foo updates the bar attribute after form data with
UserCourse objects is handled.
On Wednesday, July 2, 2014 9:42:11 PM UTC-4, Michael Bayer wrote:
On 7/2/14, 2:59 PM, Brian
Hi Mike (et al.),
I'm searching for a way to achieve defaultdict-like functionality for
association proxies, so that a function that refers to a collection (or key
within that collection) before it exists can create the collection/key with
a default value.
In a previous post
On 7/2/14, 11:15 AM, Brian Findlay wrote:
I've since added an event listener to perform a calculation each time
a UserCourse object is set:
# Recalculate 'bar' after updating UserCourse
@event.listens_for(UserCourse.grade, 'set')
def foo(target, value, oldvalue, initiator):
courses =
Mike, thanks for the response.
(1) foo updates a particular User attribute based on a calculation
performed on the user.courses collection. I'm listening for the set event
on UserCourse objects to trigger foo to update that User attribute, but
that isn't working with new users because -- as
On 7/2/14, 2:59 PM, Brian Findlay wrote:
Mike, thanks for the response.
(1) foo updates a particular User attribute based on a calculation
performed on the user.courses collection. I'm listening for the set
event on UserCourse objects to trigger foo to update that User
attribute, but that
