def Plural(num=1, text=''):
if num == 1:
# singular -- easy
result = '%d %s' % (num, text)
else:
aberrant = { 'knife' : 'knives',
'self' : 'selves',
'elf' : 'elves',
'life' : 'lives',
'hoof' : 'hooves',
'leaf' : 'leaves',
'echo' : 'echoes',
'embargo' : 'embargoes',
'hero' : 'heroes',
'potato' : 'potatoes',
'tomato' : 'tomatoes',
'torpedo' : 'torpedoes',
'veto' : 'vetoes',
'child' : 'children',
'woman' : 'women',
'man' : 'men',
'person' : 'people',
'goose' : 'geese',
'mouse' : 'mice',
'barracks' : 'barracks',
'deer' : 'deer',
'nucleus' : 'nuclei',
'syllabus' : 'syllabi',
'focus' : 'foci',
'fungus' : 'fungi',
'cactus' : 'cacti',
'phenomenon' : 'phenomena',
'index' : 'indices',
'appendix' : 'appendices',
'criterion' : 'criteria'
}
if aberrant.has_key(text):
result = '%d %s' % (num, aberrant[text])
else:
postfix = 's'
if len(text) > 2:
vowels = 'aeiou'
if text[-2:] in ('ch', 'sh'):
postfix = 'es'
elif text[-1:] == 'y':
if (text[-2:-1] in vowels) or (text[0] in string.uppercase):
postfix = 's'
else:
postfix = 'ies'
text = text[:-1]
elif text[-2:] == 'is':
postfix = 'es'
text = text[:-2]
elif text[-1:] in ('s', 'z', 'x'):
postfix = 'es'
result = '%d %s%s' % (num, text, postfix)
