Implement step for alphabetic ranges: [a:e:2] => a,c,e

This commit is contained in:
Abhijit Menon-Sen 2015-07-31 12:09:18 +05:30
parent 6d514e18b7
commit 1413496292

View file

@ -75,7 +75,6 @@ def expand_hostname_range(line = None):
# of hosts and then repeat until none left.
# - also add an optional third parameter which contains the step. (Default: 1)
# so range can be [01:10:2] -> 01 03 05 07 09
# FIXME: make this work for alphabetic sequences too.
(head, nrange, tail) = line.replace('[','|',1).replace(']','|',1).split('|')
bounds = nrange.split(":")
@ -104,7 +103,7 @@ def expand_hostname_range(line = None):
i_end = string.ascii_letters.index(end)
if i_beg > i_end:
raise errors.AnsibleError("host range format incorrectly specified!")
seq = string.ascii_letters[i_beg:i_end+1]
seq = [string.ascii_letters[i] for i in range(i_beg, i_end+1, int(step))]
except ValueError: # not an alpha range
seq = range(int(beg), int(end)+1, int(step))