On Jan 28, 9:16 am, koranthala <koranth...@gmail.com> wrote: > On Jan 28, 5:42 pm, koranthala <koranth...@gmail.com> wrote: > > > > > On Jan 28, 2:16 am, Reckoner <recko...@gmail.com> wrote: > > > > I'm not sure this is possible, but I would like to have > > > a list of objects > > > > A=[a,b,c,d,...,z] > > > > where, in the midst of a lot of processing I might do something like, > > > > A[0].do_something_which_changes_the_properties() > > > > which alter the properties of the object 'a'. > > > > The trick is that I would like A to be mysteriously aware that > > > something about the object 'a' has changed so that when I revisit A, > > > I will know that the other items in the list need to be refreshed to > > > reflect the changes in A as a result of changing 'a'. > > > > Even better would be to automatically percolate the subsequent changes > > > that resulted from altering 'a' for the rest of the items in the list. > > > Naturally, all of these items are related in some parent-child > > > fashion. > > > > that might be a lot to ask, however. > > > > Any advice appreciated. > > > I think Python Cookbook has a recipe which deals with this. > > - 6.12 Checking an Instance for Any State Change. > > Were you able to get this? If not, let me know. I will try to type it > in here - (it is a big recipe, so not doing it now)
Actually, I have the python cookbook, but cannot find the recipe you mention. maybe I have an older version? thanks. -- http://mail.python.org/mailman/listinfo/python-list
