255 lines
6.5 KiB
Python
255 lines
6.5 KiB
Python
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# -*- coding: utf-8 -*-
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"""
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babel.messages.plurals
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~~~~~~~~~~~~~~~~~~~~~~
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Plural form definitions.
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:copyright: (c) 2013 by the Babel Team.
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:license: BSD, see LICENSE for more details.
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"""
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from babel.core import default_locale, Locale
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from operator import itemgetter
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# XXX: remove this file, duplication with babel.plural
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LC_CTYPE = default_locale('LC_CTYPE')
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PLURALS = {
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# Afar
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# 'aa': (),
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# Abkhazian
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# 'ab': (),
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# Avestan
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# 'ae': (),
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# Afrikaans - From Pootle's PO's
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'af': (2, '(n != 1)'),
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# Akan
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# 'ak': (),
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# Amharic
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# 'am': (),
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# Aragonese
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# 'an': (),
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# Arabic - From Pootle's PO's
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'ar': (6, '(n==0 ? 0 : n==1 ? 1 : n==2 ? 2 : n>=3 && n<=10 ? 3 : n>=11 && n<=99 ? 4 : 5)'),
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# Assamese
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# 'as': (),
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# Avaric
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# 'av': (),
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# Aymara
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# 'ay': (),
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# Azerbaijani
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# 'az': (),
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# Bashkir
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# 'ba': (),
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# Belarusian
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# 'be': (),
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# Bulgarian - From Pootle's PO's
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'bg': (2, '(n != 1)'),
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# Bihari
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# 'bh': (),
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# Bislama
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# 'bi': (),
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# Bambara
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# 'bm': (),
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# Bengali - From Pootle's PO's
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'bn': (2, '(n != 1)'),
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# Tibetan - as discussed in private with Andrew West
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'bo': (1, '0'),
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# Breton
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# 'br': (),
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# Bosnian
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# 'bs': (),
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# Catalan - From Pootle's PO's
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'ca': (2, '(n != 1)'),
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# Chechen
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# 'ce': (),
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# Chamorro
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# 'ch': (),
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# Corsican
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# 'co': (),
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# Cree
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# 'cr': (),
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# Czech
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'cs': (3, '(n%10==1 && n%100!=11 ? 0 : n%10>=2 && n%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2)'),
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# Church Slavic
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# 'cu': (),
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# Chuvash
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'cv': (1, '0'),
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# Welsh
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'cy': (5, '(n==1 ? 1 : n==2 ? 2 : n==3 ? 3 : n==6 ? 4 : 0)'),
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# Danish
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'da': (2, '(n != 1)'),
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# German
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'de': (2, '(n != 1)'),
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# Divehi
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# 'dv': (),
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# Dzongkha
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'dz': (1, '0'),
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# Greek
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'el': (2, '(n != 1)'),
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# English
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'en': (2, '(n != 1)'),
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# Esperanto
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'eo': (2, '(n != 1)'),
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# Spanish
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'es': (2, '(n != 1)'),
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# Estonian
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'et': (2, '(n != 1)'),
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# Basque - From Pootle's PO's
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'eu': (2, '(n != 1)'),
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# Persian - From Pootle's PO's
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'fa': (1, '0'),
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# Finnish
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'fi': (2, '(n != 1)'),
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# French
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'fr': (2, '(n > 1)'),
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# Friulian - From Pootle's PO's
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'fur': (2, '(n > 1)'),
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# Irish
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'ga': (3, '(n==1 ? 0 : n==2 ? 1 : 2)'),
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# Galician - From Pootle's PO's
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'gl': (2, '(n != 1)'),
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# Hausa - From Pootle's PO's
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'ha': (2, '(n != 1)'),
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# Hebrew
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'he': (2, '(n != 1)'),
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# Hindi - From Pootle's PO's
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'hi': (2, '(n != 1)'),
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# Croatian
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'hr': (3, '(n%10==1 && n%100!=11 ? 0 : n%10>=2 && n%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2)'),
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# Hungarian
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'hu': (1, '0'),
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# Armenian - From Pootle's PO's
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'hy': (1, '0'),
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# Icelandic - From Pootle's PO's
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'is': (2, '(n != 1)'),
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# Italian
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'it': (2, '(n != 1)'),
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# Japanese
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'ja': (1, '0'),
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# Georgian - From Pootle's PO's
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'ka': (1, '0'),
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# Kongo - From Pootle's PO's
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'kg': (2, '(n != 1)'),
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# Khmer - From Pootle's PO's
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'km': (1, '0'),
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# Korean
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'ko': (1, '0'),
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# Kurdish - From Pootle's PO's
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'ku': (2, '(n != 1)'),
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# Lao - Another member of the Tai language family, like Thai.
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'lo': (1, '0'),
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# Lithuanian
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'lt': (3, '(n%10==1 && n%100!=11 ? 0 : n%10>=2 && (n%100<10 || n%100>=20) ? 1 : 2)'),
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# Latvian
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'lv': (3, '(n%10==1 && n%100!=11 ? 0 : n != 0 ? 1 : 2)'),
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# Maltese - From Pootle's PO's
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'mt': (4, '(n==1 ? 0 : n==0 || ( n%100>1 && n%100<11) ? 1 : (n%100>10 && n%100<20 ) ? 2 : 3)'),
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# Norwegian Bokmål
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'nb': (2, '(n != 1)'),
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# Dutch
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'nl': (2, '(n != 1)'),
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# Norwegian Nynorsk
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'nn': (2, '(n != 1)'),
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# Norwegian
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'no': (2, '(n != 1)'),
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# Punjabi - From Pootle's PO's
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'pa': (2, '(n != 1)'),
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# Polish
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'pl': (3, '(n==1 ? 0 : n%10>=2 && n%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2)'),
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# Portuguese
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'pt': (2, '(n != 1)'),
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# Brazilian
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'pt_BR': (2, '(n > 1)'),
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# Romanian - From Pootle's PO's
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'ro': (3, '(n==1 ? 0 : (n==0 || (n%100 > 0 && n%100 < 20)) ? 1 : 2)'),
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# Russian
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'ru': (3, '(n%10==1 && n%100!=11 ? 0 : n%10>=2 && n%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2)'),
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# Slovak
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'sk': (3, '(n%10==1 && n%100!=11 ? 0 : n%10>=2 && n%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2)'),
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# Slovenian
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'sl': (4, '(n%100==1 ? 0 : n%100==2 ? 1 : n%100==3 || n%100==4 ? 2 : 3)'),
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# Serbian - From Pootle's PO's
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'sr': (3, '(n%10==1 && n%100!=11 ? 0 : n%10>=2 && n%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2)'),
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# Southern Sotho - From Pootle's PO's
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'st': (2, '(n != 1)'),
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# Swedish
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'sv': (2, '(n != 1)'),
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# Thai
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'th': (1, '0'),
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# Turkish
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'tr': (1, '0'),
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# Ukrainian
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'uk': (3, '(n%10==1 && n%100!=11 ? 0 : n%10>=2 && n%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2)'),
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# Venda - From Pootle's PO's
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've': (2, '(n != 1)'),
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# Vietnamese - From Pootle's PO's
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'vi': (1, '0'),
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# Xhosa - From Pootle's PO's
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'xh': (2, '(n != 1)'),
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# Chinese - From Pootle's PO's
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'zh_CN': (1, '0'),
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'zh_HK': (1, '0'),
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'zh_TW': (1, '0'),
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}
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DEFAULT_PLURAL = (2, '(n != 1)')
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class _PluralTuple(tuple):
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"""A tuple with plural information."""
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__slots__ = ()
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num_plurals = property(itemgetter(0), doc="""
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The number of plurals used by the locale.""")
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plural_expr = property(itemgetter(1), doc="""
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The plural expression used by the locale.""")
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plural_forms = property(lambda x: 'npurals=%s; plural=%s' % x, doc="""
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The plural expression used by the catalog or locale.""")
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def __str__(self):
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return self.plural_forms
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def get_plural(locale=LC_CTYPE):
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"""A tuple with the information catalogs need to perform proper
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pluralization. The first item of the tuple is the number of plural
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forms, the second the plural expression.
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>>> get_plural(locale='en')
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(2, '(n != 1)')
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>>> get_plural(locale='ga')
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(3, '(n==1 ? 0 : n==2 ? 1 : 2)')
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The object returned is a special tuple with additional members:
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>>> tup = get_plural("ja")
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>>> tup.num_plurals
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1
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>>> tup.plural_expr
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'0'
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>>> tup.plural_forms
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'npurals=1; plural=0'
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Converting the tuple into a string prints the plural forms for a
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gettext catalog:
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>>> str(tup)
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'npurals=1; plural=0'
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"""
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locale = Locale.parse(locale)
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try:
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tup = PLURALS[str(locale)]
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except KeyError:
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try:
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tup = PLURALS[locale.language]
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except KeyError:
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tup = DEFAULT_PLURAL
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return _PluralTuple(tup)
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