@Vijay, thanks. I also had a similar idea, but I was surprised it was not
somewhere already implemented.
Then I found __subclasses__() as mentioned
here
http://stackoverflow.com/questions/40353219/updating-django-mixin-subclassed-instances/40353284#40353284
It works (Python 3.3, Django 1.8) ;
You could use a metaclass to keep track of all the classes that inherit
from a given one, in a pure Python way it would be something like this
class PluginMeta(type):
# we use __init__ rather than __new__ here because we want
# to modify attributes of the class *after* they have been
#
Hi,
I am using my custom permission mixin on several of my apps's models (not
all).
For the case when I need to merge from the "old - context" permission to
the "new - context" permission I want to have function which changes the
corresponding permission reference attribute in all models, whic
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