[Python-ideas] Add "default" kwarg to list.pop()

[Michel Desmoulin]

+1 one this.

And a list.get method has well, with a default value.

Le 31/10/2018 à 00:44, Giampaolo Rodola' a écrit :
> Sorry in advance if this has been proposed in the past but I couldn't
> find anything on python-ideas:
>
>  >>> l = []
>  >>> l.pop(default=1)
> 1
>
> FWIW my use case consists in reading entries from /proc/diskstats where
> lines can have a variable number of fields depending on the kernel version:
> https://github.com/giampaolo/psutil/issues/1354#issuecomment-434495870
> https://github.com/giampaolo/psutil/blob/d8b05151e65f9348aff9b58da977abd8cacb2127/psutil/_pslinux.py#L1068
> As such it would be convenient to set missing fields to 0 as "reads =
> fields.pop(default=0)" instead of catching IndexError every time. Extra:
> for consistency set.pop() should probably have the same.
>
> Thoughts?
>
> -- 
> Giampaolo - http://grodola.blogspot.com
>
>
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