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# -*- coding: utf-8 -*-
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# SPDX-License-Identifier: AGPL-3.0-or-later
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# lint: pylint
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"""Initialize :py:obj:`LOCALE_NAMES`, :py:obj:`UI_LOCALE_CODES` and
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:py:obj:`RTL_LOCALES`."""
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from typing import List, Set
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import os
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import pathlib
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from babel import Locale
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LOCALE_NAMES = {
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"oc": "Occitan",
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"nl_BE": "Vlaams (Dutch, Belgium)",
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}
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"""Mapping of locales and their description. Locales e.g. 'fr' or 'pt_BR'
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(delimiter is *underline* '_')"""
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UI_LOCALE_CODES: List[str] = []
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"""List of locales e.g. 'fr' or 'pt-BR' (delimiter is '-')"""
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RTL_LOCALES: Set[str] = set()
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"""List of *Right-To-Left* locales e.g. 'he' or 'fa_IR' (delimiter is
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*underline* '_')"""
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def _get_name(locale, language_code):
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language_name = locale.get_language_name(language_code).capitalize()
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if language_name and ('a' <= language_name[0] <= 'z'):
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language_name = language_name.capitalize()
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terrirtory_name = locale.get_territory_name(language_code)
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return language_name, terrirtory_name
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def _get_locale_name(locale, locale_name):
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"""Get locale name e.g. 'Français - fr' or 'Português (Brasil) - pt-BR'
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:param locale: instance of :py:class:`Locale`
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:param locale_name: name e.g. 'fr' or 'pt_BR'
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"""
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native_language, native_territory = _get_name(locale, locale_name)
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english_language, english_territory = _get_name(locale, 'en')
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if native_territory == english_territory:
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english_territory = None
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if not native_territory and not english_territory:
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if native_language == english_language:
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return native_language
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return native_language + ' (' + english_language + ')'
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result = native_language + ', ' + native_territory + ' (' + english_language
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if english_territory:
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return result + ', ' + english_territory + ')'
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return result + ')'
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def initialize_locales(directory):
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"""Initialize global names :py:obj:`LOCALE_NAMES`, :py:obj:`UI_LOCALE_CODES` and
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:py:obj:`RTL_LOCALES`.
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"""
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global LOCALE_NAMES, UI_LOCALE_CODES, RTL_LOCALES # pylint: disable=global-statement
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for dirname in sorted(os.listdir(directory)):
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# Based on https://flask-babel.tkte.ch/_modules/flask_babel.html#Babel.list_translations
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if not os.path.isdir( os.path.join(directory, dirname, 'LC_MESSAGES') ):
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continue
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info = LOCALE_NAMES.get(dirname)
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if not info:
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locale = Locale.parse(dirname)
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LOCALE_NAMES[dirname] = _get_locale_name(locale, dirname)
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if locale.text_direction == 'rtl':
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RTL_LOCALES.add(dirname)
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UI_LOCALE_CODES = [l.replace('_', '-') for l in LOCALE_NAMES]
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initialize_locales(pathlib.Path(__file__).parent / 'translations')
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