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signed0/gist:1787885

Created February 10, 2012 08:54
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Python natural sort key
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gistfile1.py
# Inspired by http://code.activestate.com/recipes/285264-natural-string-sorting/
import re
digits = re.compile(r'(\d+|\D+)')
def natural_sort_key(item):
if item is None or item == '':
return None
pieces = digits.findall(item)
pieces = (int(i) if i.isdigit() else i for i in pieces)
return tuple(pieces)
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