"""Pluralize English nouns (stage 5)
This program is part of "Dive Into Python", a free Python book for
experienced programmers. Visit http://diveintopython.org/ for the
latest version.
Command line usage:
$ python plural5.py noun
nouns
"""
__author__ = "Mark Pilgrim (mark@diveintopython.org)"
__version__ = "$Revision: 1.3 $"
__date__ = "$Date: 2004/03/25 15:51:13 $"
__copyright__ = "Copyright (c) 2004 Mark Pilgrim"
__license__ = "Python"
import re
import string
def buildRule((pattern, search, replace)):
return lambda word: re.search(pattern, word) and re.sub(search, replace, word)
def plural(noun, language='en'):
lines = file('rules.%s' % language).readlines()
patterns = map(string.split, lines)
rules = map(buildRule, patterns)
for rule in rules:
result = rule(noun)
if result: return result
if __name__ == '__main__':
import sys
if sys.argv[1:]:
print plural(sys.argv[1])
else:
print __doc__
