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https://github.com/searxng/searxng
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Merge pull request #380 from dalf/fix-339
[fix] interface language zh_CN and zh_TW don't work
This commit is contained in:
Alexandre Flament
GitHub
commit
ee5e9f9e1d
@ -1,10 +1,10 @@
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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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"""Initialize :py:obj:`LOCALE_NAMES`, :py:obj:`RTL_LOCALES`.
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"""
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from typing import List, Set
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from typing import Set
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import os
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import pathlib
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@ -12,17 +12,14 @@ 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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"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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"""Mapping of locales and their description. Locales e.g. 'fr' or 'pt-BR'
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(delimiter is *underline* '-')"""
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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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"""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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@ -37,7 +34,7 @@ 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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:param locale_name: name e.g. 'fr' or 'pt_BR' (delimiter is *underscore*)
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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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@ -54,22 +51,19 @@ def _get_locale_name(locale, locale_name):
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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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"""Initialize global names :py:obj:`LOCALE_NAMES`, :py:obj:`RTL_LOCALES`.
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"""
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global UI_LOCALE_CODES # 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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locale_name = dirname.replace('_', '-')
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info = LOCALE_NAMES.get(locale_name)
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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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LOCALE_NAMES[locale_name] = _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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RTL_LOCALES.add(locale_name)
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initialize_locales(pathlib.Path(__file__).parent / 'translations')
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@ -1,6 +1,6 @@
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{% from 'oscar/macros.html' import icon %}
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<!DOCTYPE html>
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<html lang="{{ preferences.get_value('locale') }}" xml:lang="{{ preferences.get_value('locale') }}"{% if rtl %} dir="rtl"{% endif %} class="nojs">
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<html lang="{{ locale_rfc5646 }}" xml:lang="{{ locale_rfc5646 }}"{% if rtl %} dir="rtl"{% endif %} class="nojs">
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<head>
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<meta charset="UTF-8" />
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<meta name="description" content="SearXNG - a privacy-respecting, hackable metasearch engine" />
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@ -1,5 +1,5 @@
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<!DOCTYPE html>
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<html class="no-js" lang="en" {% if rtl %} dir="rtl"{% endif %}>
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<html class="no-js" lang="{{ locale_rfc5646 }}" {% if rtl %} dir="rtl"{% endif %}>
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<head>
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<meta charset="UTF-8" />
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<meta name="description" content="SearXNG — a privacy-respecting, hackable metasearch engine">
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@ -369,6 +369,16 @@ def _get_lang_to_lc_dict(lang_list):
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return value
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# babel's get_global contains all sorts of miscellaneous locale and territory related data
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# see get_global in: https://github.com/python-babel/babel/blob/master/babel/core.py
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def _get_from_babel(lang_code, key):
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match = get_global(key).get(lang_code.replace('-', '_'))
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# for some keys, such as territory_aliases, match may be a list
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if isinstance(match, str):
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return match.replace('_', '-')
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return match
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def _match_language(lang_code, lang_list=[], custom_aliases={}): # pylint: disable=W0102
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"""auxiliary function to match lang_code in lang_list"""
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# replace language code with a custom alias if necessary
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@ -379,9 +389,11 @@ def _match_language(lang_code, lang_list=[], custom_aliases={}): # pylint: disa
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return lang_code
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# try to get the most likely country for this language
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subtags = get_global('likely_subtags').get(lang_code)
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subtags = _get_from_babel(lang_code, 'likely_subtags')
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if subtags:
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subtag_parts = subtags.split('_')
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if subtags in lang_list:
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return subtags
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subtag_parts = subtags.split('-')
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new_code = subtag_parts[0] + '-' + subtag_parts[-1]
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if new_code in custom_aliases:
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new_code = custom_aliases[new_code]
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@ -402,16 +414,22 @@ def match_language(locale_code, lang_list=[], custom_aliases={}, fallback='en-US
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locale_parts = locale_code.split('-')
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lang_code = locale_parts[0]
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# if locale_code has script, try matching without it
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if len(locale_parts) > 2:
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language = _match_language(lang_code + '-' + locale_parts[-1], lang_list, custom_aliases)
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if language:
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return language
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# try to get language using an equivalent country code
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if len(locale_parts) > 1:
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country_alias = get_global('territory_aliases').get(locale_parts[-1])
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country_alias = _get_from_babel(locale_parts[-1], 'territory_aliases')
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if country_alias:
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language = _match_language(lang_code + '-' + country_alias[0], lang_list, custom_aliases)
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if language:
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return language
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# try to get language using an equivalent language code
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alias = get_global('language_aliases').get(lang_code)
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alias = _get_from_babel(lang_code, 'language_aliases')
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if alias:
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language = _match_language(alias, lang_list, custom_aliases)
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if language:
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@ -109,7 +109,7 @@ from searx.flaskfix import patch_application
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from searx.autocomplete import search_autocomplete, backends as autocomplete_backends
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from searx.languages import language_codes as languages
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from searx.locales import LOCALE_NAMES, UI_LOCALE_CODES, RTL_LOCALES
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from searx.locales import LOCALE_NAMES, RTL_LOCALES
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from searx.search import SearchWithPlugins, initialize as search_initialize
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from searx.network import stream as http_stream, set_context_network_name
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from searx.search.checker import get_result as checker_get_result
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@ -223,6 +223,12 @@ def get_locale():
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if locale == 'oc':
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request.form['use-translation'] = 'oc'
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locale = 'fr_FR'
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if locale == '':
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# if there is an error loading the preferences
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# the locale is going to be ''
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locale = 'en'
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# babel uses underscore instead of hyphen.
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locale = locale.replace('-', '_')
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logger.debug("%s uses locale `%s`", urllib.parse.quote(request.url), locale)
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return locale
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@ -240,6 +246,16 @@ def _get_browser_language(req, lang_list):
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return 'en'
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def _get_locale_rfc5646(locale):
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"""Get locale name for <html lang="...">
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Chrom* browsers don't detect the language when there is a subtag (ie a territory).
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For example "zh-TW" is detected but not "zh-Hant-TW".
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This function returns a locale without the subtag.
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"""
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parts = locale.split('-')
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return parts[0].lower() + '-' + parts[-1].upper()
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# code-highlighter
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@app.template_filter('code_highlighter')
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def code_highlighter(codelines, language=None):
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@ -420,6 +436,8 @@ def render(template_name, override_theme=None, **kwargs):
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kwargs['translations'] = json.dumps(get_translations(), separators=(',', ':'))
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locale = request.preferences.get_value('locale')
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kwargs['locale_rfc5646'] = _get_locale_rfc5646(locale)
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if locale in RTL_LOCALES and 'rtl' not in kwargs:
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kwargs['rtl'] = True
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if 'current_language' not in kwargs:
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@ -512,8 +530,7 @@ def pre_request():
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# locale is defined neither in settings nor in preferences
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# use browser headers
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if not preferences.get_value("locale"):
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locale = _get_browser_language(request, UI_LOCALE_CODES)
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locale = locale.replace('-', '_')
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locale = _get_browser_language(request, LOCALE_NAMES.keys())
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preferences.parse_dict({"locale": locale})
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# request.user_plugins
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@ -92,6 +92,14 @@ class TestUtils(SearxTestCase):
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self.assertEqual(utils.match_language('es', [], fallback='fallback'), 'fallback')
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self.assertEqual(utils.match_language('ja', ['jp'], {'ja': 'jp'}), 'jp')
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# handle script tags
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self.assertEqual(utils.match_language('zh-CN', ['zh-Hans-CN', 'zh-Hant-TW']), 'zh-Hans-CN')
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self.assertEqual(utils.match_language('zh-TW', ['zh-Hans-CN', 'zh-Hant-TW']), 'zh-Hant-TW')
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self.assertEqual(utils.match_language('zh-Hans-CN', ['zh-CN', 'zh-TW']), 'zh-CN')
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self.assertEqual(utils.match_language('zh-Hant-TW', ['zh-CN', 'zh-TW']), 'zh-TW')
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self.assertEqual(utils.match_language('zh-Hans', ['zh-CN', 'zh-TW', 'zh-HK']), 'zh-CN')
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self.assertEqual(utils.match_language('zh-Hant', ['zh-CN', 'zh-TW', 'zh-HK']), 'zh-TW')
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aliases = {'en-GB': 'en-UK', 'he': 'iw'}
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# guess country
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@ -211,12 +211,12 @@ class ViewsTestCase(SearxTestCase):
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result = self.app.get('/preferences', headers={'Accept-Language': 'zh-tw;q=0.8'})
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self.assertEqual(result.status_code, 200)
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self.assertIn(
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b'<option value="zh_TW" selected="selected">',
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b'<option value="zh-Hant-TW" selected="selected">',
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result.data,
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'Interface locale ignored browser preference.'
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)
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self.assertIn(
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b'<option value="zh-TW" selected="selected">',
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b'<option value="zh-Hant-TW" selected="selected">',
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result.data,
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'Search language ignored browser preference.'
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)
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