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Clean-up helpers.prune_split

This commit is contained in:
Dan Christensen 2014-02-02 23:45:53 -05:00
parent 13863e64f8
commit d3ff6ac25d

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@ -92,18 +92,17 @@ def write(self):
def prune_split(archives, pattern, n, skip=[]):
items = {}
last = None
keep = []
for a in archives:
key = to_localtime(a.ts).strftime(pattern)
items.setdefault(key, [])
items[key].append(a)
for key, values in sorted(items.items(), reverse=True):
if n:
values.sort(key=attrgetter('ts'), reverse=True)
if values[0] not in skip:
keep.append(values[0])
n -= 1
if n == 0:
return keep
for a in sorted(archives, key=attrgetter('ts'), reverse=True):
period = a.ts.strftime(pattern)
if period != last:
last = period
if a not in skip:
keep.append(a)
if len(keep) == n: break
return keep