[Tutor] How to update only set CLI args?

[Alan Gauld]

On 17/01/2022 14:00, Leam Hall wrote:
> Writing a CLI app in Python 3.10. There's a "defaults" dict, a config file that gets read into a dict, and command line arguments that can be passed in.
> 
>    defaults = {'table':'people'}
>    defaults.update(config)
>    defaults.update(vars(args))
> 
> The issue is that if an argument is not set on the command line, 
> the args.item has a value of "None", which then overwrites any value 
> in defaults or config. How do I update just the set args?

Write a loop to test for none values before updating?

-- 
Alan G
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