collate/_abcollator.py

   1 import collate._strings
   2
   3 class Collator(object):
   4     def cmp(self, string1, string2):
   5         """Return negative if a < b, zero if a == b, positive if a > b."""
   6         return cmp(self.key(string1), self.key(string2))
   7
   8     def words(self, string):
   9         """Split the string into separate words.
  10
  11         This split is done using Unicode's definition of whitespace.
  12         """
  13         return string.split()
  14
  15     def sortemes(self, string):
  16         words = []
  17         for word in self.words(string):
  18             words.extend(collate._strings.alnumsplit(word))
  19         return filter(collate._strings.wordlike, words)
  20
  21     def sortemekey(self, string):
  22         words = map(collate._strings.numeric, self.sortemes(string))
  23         words = [(i, self.key(word)) for (i, word) in words]
  24         return words