From 2369f01b1aaf8a5a087b7667c18990f3b8a181df Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=BA=90=E6=96=87=E9=9B=A8?=
 <41315874+fumiama@users.noreply.github.com>
Date: Mon, 3 Jun 2024 15:18:22 +0900
Subject: [PATCH] fix(i18n): cannot get locale in MacOS

---
 i18n/i18n.py | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/i18n/i18n.py b/i18n/i18n.py
index 00e91bf..dab3b0b 100644
--- a/i18n/i18n.py
+++ b/i18n/i18n.py
@@ -1,6 +1,7 @@
 import json
 import locale
 import os
+from configs import singleton_variable
 
 
 def load_language_list(language):
@@ -8,13 +9,13 @@ def load_language_list(language):
         language_list = json.load(f)
     return language_list
 
-
+@singleton_variable
 class I18nAuto:
     def __init__(self, language=None):
         if language in ["Auto", None]:
-            language = locale.getdefaultlocale()[
-                0
-            ]  # getlocale can't identify the system's language ((None, None))
+            language = locale.getdefaultlocale(
+                envvars=('LANG', 'LC_ALL', 'LC_CTYPE', 'LANGUAGE')
+            )[0]
         if not os.path.exists(f"./i18n/locale/{language}.json"):
             language = "en_US"
         self.language = language
@@ -24,4 +25,4 @@ class I18nAuto:
         return self.language_map.get(key, key)
 
     def __repr__(self):
-        return "Use Language: " + self.language
+        return "Language: " + self.language