[Python-ideas] Generator unpacking

[Sven R. Kunze]

On 16.02.2016 01:11, Andrew Barnert via Python-ideas wrote:
> I see this more often written in tuple-ish form:
>
>      index, value = struct.unpack_from('!HH', buf, off)
>      namelen, = struct.unpack_from('!H', buf, off+4)
>
> Somehow, that feels more natural and pythonic than using [index, value] and [namelen], despite the fact that without the brackets it's easy to miss the trailing comma and end up with (16,) instead of 16 as your length and a confusing TypeError a few lines down.

You are right. It seems to me that without the parentheses it's not 
regarded a tuple but a special feature syntax; so all the known 
peculiarities of tuples aren't recognized properly.

Best,
Sven