convert int index to alphabet letter

[Quentin Aveno]

Hi everyone,

(It's more a jinja quesion but...)

Is there a way to convert a int to an alphabet letter (1 -> a, 2 -> b...)

More aesthetic than (with a filter and less useless variables):

letters: 'abcdefghijklmnopqrstuvwxyz'

index: "{{ groups['group1'].index(inventory_hostname) }}"

index_letter: "{{ letters[index] }}"

Thanks

[Dick Visser]

There is no existing filter that does this, but nothing prevents you
from writing one...

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--
Dick Visser
Trust & Identity Service Operations Manager
GÉANT

[Dick Visser]

Something like this in your filters file:

def num2let(arg):
return 'abcdefghijklmnopqrstuvwxyz'[arg]
def num2let0(arg):
return 'abcdefghijklmnopqrstuvwxyz'[arg-1]
class FilterModule(object):
def filters(self):
return {
'num2let': num2let,
'num2let0': num2let0,
}


Then it's:

index: "{{ groups['group1'].index(inventory_hostname) | num2let0 }}"