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Convert some custom sort comparison functions to equivalent key functions.

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This commit is contained in:
Raymond Hettinger 2008-01-30 02:55:10 +00:00
parent fd66e51c4c
commit d4cb56d4e8
12 changed files with 50 additions and 20 deletions
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13
Tools/unicode/makeunicodedata.py
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@ -441,6 +441,15 @@ def makeunicodetype(unicode, trace):
# --------------------------------------------------------------------
# unicode name database
def CmpToKey(mycmp):
'Convert a cmp= function into a key= function'
class K(object):
def __init__(self, obj, *args):
self.obj = obj
def __lt__(self, other):
return mycmp(self.obj, other.obj) == -1
return K
def makeunicodename(unicode, trace):
FILE = "Modules/unicodename_db.h"
@ -490,7 +499,7 @@ def makeunicodename(unicode, trace):
if r:
return r
return cmp(aword, bword)
wordlist.sort(cmpwords)
wordlist.sort(key=CmpToKey(cmpwords))
# figure out how many phrasebook escapes we need
escapes = 0
@ -514,7 +523,7 @@ def makeunicodename(unicode, trace):
# length (to maximize overlap)
wordlist, wordtail = wordlist[:short], wordlist[short:]
wordtail.sort(lambda a, b: len(b[0])-len(a[0]))
wordtail.sort(key=lambda a: a[0], reverse=True)
wordlist.extend(wordtail)
# generate lexicon from words