[Python-ideas] Argparse argument deprecation

[Tarek Ziadé]

> Another note about the proposal: calling it "deprecated" seems odd,
> since the proposal is really just a general-purpose callback.  argparse
> isn't generating the warning, your callback function would be doing it. 
> Why name it "deprecated"?  How is this different than the "action"
> keyword argument that argparse already provides?

That sounds right. Maybe a better implementation would be  to implement
a custom action by inheriting from argparse.Action

https://docs.python.org/3/library/argparse.html#action

and do all the warning/deprecation job there.

I'll experiment with this idea on my side to see how it goes :)

Cheers
Tarek