| """ |
| babel.messages.plurals |
| ~~~~~~~~~~~~~~~~~~~~~~ |
| |
| Plural form definitions. |
| |
| :copyright: (c) 2013-2023 by the Babel Team. |
| :license: BSD, see LICENSE for more details. |
| """ |
| from __future__ import annotations |
| |
| from operator import itemgetter |
| |
| from babel.core import Locale, default_locale |
| |
| # XXX: remove this file, duplication with babel.plural |
| |
| |
| LC_CTYPE: str | None = default_locale('LC_CTYPE') |
| |
| |
| PLURALS: dict[str, tuple[int, str]] = { |
| # Afar |
| # 'aa': (), |
| # Abkhazian |
| # 'ab': (), |
| # Avestan |
| # 'ae': (), |
| # Afrikaans - From Pootle's PO's |
| 'af': (2, '(n != 1)'), |
| # Akan |
| # 'ak': (), |
| # Amharic |
| # 'am': (), |
| # Aragonese |
| # 'an': (), |
| # Arabic - From Pootle's PO's |
| 'ar': (6, '(n==0 ? 0 : n==1 ? 1 : n==2 ? 2 : n%100>=3 && n%100<=10 ? 3 : n%100>=0 && n%100<=2 ? 4 : 5)'), |
| # Assamese |
| # 'as': (), |
| # Avaric |
| # 'av': (), |
| # Aymara |
| # 'ay': (), |
| # Azerbaijani |
| # 'az': (), |
| # Bashkir |
| # 'ba': (), |
| # Belarusian |
| 'be': (3, '(n%10==1 && n%100!=11 ? 0 : n%10>=2 && n%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2)'), |
| # Bulgarian - From Pootle's PO's |
| 'bg': (2, '(n != 1)'), |
| # Bihari |
| # 'bh': (), |
| # Bislama |
| # 'bi': (), |
| # Bambara |
| # 'bm': (), |
| # Bengali - From Pootle's PO's |
| 'bn': (2, '(n != 1)'), |
| # Tibetan - as discussed in private with Andrew West |
| 'bo': (1, '0'), |
| # Breton |
| 'br': ( |
| 6, |
| '(n==1 ? 0 : n%10==1 && n%100!=11 && n%100!=71 && n%100!=91 ? 1 : n%10==2 && n%100!=12 && n%100!=72 && ' |
| 'n%100!=92 ? 2 : (n%10==3 || n%10==4 || n%10==9) && n%100!=13 && n%100!=14 && n%100!=19 && n%100!=73 && ' |
| 'n%100!=74 && n%100!=79 && n%100!=93 && n%100!=94 && n%100!=99 ? 3 : n%1000000==0 ? 4 : 5)' |
| ), |
| # Bosnian |
| 'bs': (3, '(n%10==1 && n%100!=11 ? 0 : n%10>=2 && n%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2)'), |
| # Catalan - From Pootle's PO's |
| 'ca': (2, '(n != 1)'), |
| # Chechen |
| # 'ce': (), |
| # Chamorro |
| # 'ch': (), |
| # Corsican |
| # 'co': (), |
| # Cree |
| # 'cr': (), |
| # Czech |
| 'cs': (3, '((n==1) ? 0 : (n>=2 && n<=4) ? 1 : 2)'), |
| # Church Slavic |
| # 'cu': (), |
| # Chuvash |
| 'cv': (1, '0'), |
| # Welsh |
| 'cy': (5, '(n==1 ? 1 : n==2 ? 2 : n==3 ? 3 : n==6 ? 4 : 0)'), |
| # Danish |
| 'da': (2, '(n != 1)'), |
| # German |
| 'de': (2, '(n != 1)'), |
| # Divehi |
| # 'dv': (), |
| # Dzongkha |
| 'dz': (1, '0'), |
| # Greek |
| 'el': (2, '(n != 1)'), |
| # English |
| 'en': (2, '(n != 1)'), |
| # Esperanto |
| 'eo': (2, '(n != 1)'), |
| # Spanish |
| 'es': (2, '(n != 1)'), |
| # Estonian |
| 'et': (2, '(n != 1)'), |
| # Basque - From Pootle's PO's |
| 'eu': (2, '(n != 1)'), |
| # Persian - From Pootle's PO's |
| 'fa': (1, '0'), |
| # Finnish |
| 'fi': (2, '(n != 1)'), |
| # French |
| 'fr': (2, '(n > 1)'), |
| # Friulian - From Pootle's PO's |
| 'fur': (2, '(n > 1)'), |
| # Irish |
| 'ga': (5, '(n==1 ? 0 : n==2 ? 1 : n>=3 && n<=6 ? 2 : n>=7 && n<=10 ? 3 : 4)'), |
| # Galician - From Pootle's PO's |
| 'gl': (2, '(n != 1)'), |
| # Hausa - From Pootle's PO's |
| 'ha': (2, '(n != 1)'), |
| # Hebrew |
| 'he': (2, '(n != 1)'), |
| # Hindi - From Pootle's PO's |
| 'hi': (2, '(n != 1)'), |
| # Croatian |
| 'hr': (3, '(n%10==1 && n%100!=11 ? 0 : n%10>=2 && n%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2)'), |
| # Hungarian |
| 'hu': (1, '0'), |
| # Armenian - From Pootle's PO's |
| 'hy': (1, '0'), |
| # Icelandic - From Pootle's PO's |
| 'is': (2, '(n%10==1 && n%100!=11 ? 0 : 1)'), |
| # Italian |
| 'it': (2, '(n != 1)'), |
| # Japanese |
| 'ja': (1, '0'), |
| # Georgian - From Pootle's PO's |
| 'ka': (1, '0'), |
| # Kongo - From Pootle's PO's |
| 'kg': (2, '(n != 1)'), |
| # Khmer - From Pootle's PO's |
| 'km': (1, '0'), |
| # Korean |
| 'ko': (1, '0'), |
| # Kurdish - From Pootle's PO's |
| 'ku': (2, '(n != 1)'), |
| # Lao - Another member of the Tai language family, like Thai. |
| 'lo': (1, '0'), |
| # Lithuanian |
| 'lt': (3, '(n%10==1 && n%100!=11 ? 0 : n%10>=2 && (n%100<10 || n%100>=20) ? 1 : 2)'), |
| # Latvian |
| 'lv': (3, '(n%10==1 && n%100!=11 ? 0 : n != 0 ? 1 : 2)'), |
| # Maltese - From Pootle's PO's |
| 'mt': (4, '(n==1 ? 0 : n==0 || ( n%100>=1 && n%100<=10) ? 1 : (n%100>10 && n%100<20 ) ? 2 : 3)'), |
| # Norwegian Bokmål |
| 'nb': (2, '(n != 1)'), |
| # Dutch |
| 'nl': (2, '(n != 1)'), |
| # Norwegian Nynorsk |
| 'nn': (2, '(n != 1)'), |
| # Norwegian |
| 'no': (2, '(n != 1)'), |
| # Punjabi - From Pootle's PO's |
| 'pa': (2, '(n != 1)'), |
| # Polish |
| 'pl': (3, '(n==1 ? 0 : n%10>=2 && n%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2)'), |
| # Portuguese |
| 'pt': (2, '(n != 1)'), |
| # Brazilian |
| 'pt_BR': (2, '(n > 1)'), |
| # Romanian - From Pootle's PO's |
| 'ro': (3, '(n==1 ? 0 : (n==0 || (n%100 > 0 && n%100 < 20)) ? 1 : 2)'), |
| # Russian |
| 'ru': (3, '(n%10==1 && n%100!=11 ? 0 : n%10>=2 && n%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2)'), |
| # Slovak |
| 'sk': (3, '((n==1) ? 0 : (n>=2 && n<=4) ? 1 : 2)'), |
| # Slovenian |
| 'sl': (4, '(n%100==1 ? 0 : n%100==2 ? 1 : n%100==3 || n%100==4 ? 2 : 3)'), |
| # Serbian - From Pootle's PO's |
| 'sr': (3, '(n%10==1 && n%100!=11 ? 0 : n%10>=2 && n%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2)'), |
| # Southern Sotho - From Pootle's PO's |
| 'st': (2, '(n != 1)'), |
| # Swedish |
| 'sv': (2, '(n != 1)'), |
| # Thai |
| 'th': (1, '0'), |
| # Turkish |
| 'tr': (1, '0'), |
| # Ukrainian |
| 'uk': (3, '(n%10==1 && n%100!=11 ? 0 : n%10>=2 && n%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2)'), |
| # Venda - From Pootle's PO's |
| 've': (2, '(n != 1)'), |
| # Vietnamese - From Pootle's PO's |
| 'vi': (1, '0'), |
| # Xhosa - From Pootle's PO's |
| 'xh': (2, '(n != 1)'), |
| # Chinese - From Pootle's PO's (modified) |
| 'zh': (1, '0'), |
| } |
| |
| |
| DEFAULT_PLURAL: tuple[int, str] = (2, '(n != 1)') |
| |
| |
| class _PluralTuple(tuple): |
| """A tuple with plural information.""" |
| |
| __slots__ = () |
| num_plurals = property(itemgetter(0), doc=""" |
| The number of plurals used by the locale.""") |
| plural_expr = property(itemgetter(1), doc=""" |
| The plural expression used by the locale.""") |
| plural_forms = property(lambda x: 'nplurals=%s; plural=%s;' % x, doc=""" |
| The plural expression used by the catalog or locale.""") |
| |
| def __str__(self) -> str: |
| return self.plural_forms |
| |
| |
| def get_plural(locale: str | None = LC_CTYPE) -> _PluralTuple: |
| """A tuple with the information catalogs need to perform proper |
| pluralization. The first item of the tuple is the number of plural |
| forms, the second the plural expression. |
| |
| >>> get_plural(locale='en') |
| (2, '(n != 1)') |
| >>> get_plural(locale='ga') |
| (5, '(n==1 ? 0 : n==2 ? 1 : n>=3 && n<=6 ? 2 : n>=7 && n<=10 ? 3 : 4)') |
| |
| The object returned is a special tuple with additional members: |
| |
| >>> tup = get_plural("ja") |
| >>> tup.num_plurals |
| 1 |
| >>> tup.plural_expr |
| '0' |
| >>> tup.plural_forms |
| 'nplurals=1; plural=0;' |
| |
| Converting the tuple into a string prints the plural forms for a |
| gettext catalog: |
| |
| >>> str(tup) |
| 'nplurals=1; plural=0;' |
| """ |
| locale = Locale.parse(locale) |
| try: |
| tup = PLURALS[str(locale)] |
| except KeyError: |
| try: |
| tup = PLURALS[locale.language] |
| except KeyError: |
| tup = DEFAULT_PLURAL |
| return _PluralTuple(tup) |
