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searxng/searx/locales.py

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