It always goes after the string, no matter what. It is a method of a string
cmds.getAttr(curves['curve{}'.format('xyz')].spans*2+1
But you can avoid hard to read lines and break it apart
curve = curves['curve{}'.format('xyz')]
spans = cmds.getAttr('{}.spans'.format(curve))
spans = spans * 2 + 1
On Mon, 6 Jun 2016 7:00 AM <[email protected]> wrote:
> hey,
>
> i understand using .format i can substitute in a value into the middle of
> string
>
> eg.
>
> word = 'cat'
> print 'the {} sat on the mat'.format(word)
>
> but what if you want to substitute in a string into a line which has other
> operations at the end. Like this example
>
> cmds.getAttr(curves['curve{}'].spans*2+1
>
> here i am accessing a curve from a dictionary and finding its span value
> and then multiplying by 2 + 1.
>
> So where in this line can i put the .format(value) ?. I cant put it right
> at the end or put it right after the string in between the string and the ].
>
> can someone help me understand how i can do this. Using the concatenation
> + doesnt work either because is just returns:
>
> unsupported operand type(s) for +: 'NoneType' and 'str'
>
> any help on this would be nice,
> thanks,
> Sam
>
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