feat: multi lang (framework)

antares_bot/multi_lang/lang_meta.py

@@ -0,0 +1,27 @@
+from typing import TYPE_CHECKING
+
+class LanguageMeta(type):
+    if TYPE_CHECKING:
+        SUPPORTED: tuple[str]
+
+    def __getattribute__(cls, name: str):
+        if name != '_LANG_INDEXED__':
+            if name == 'SUPPORTED' or name.startswith('__'):
+                return super().__getattribute__(name)
+        else:
+            return super().__getattribute__(name)
+        if not hasattr(cls, '_LANG_INDEXED__'):
+            lang_indexed = {}
+            cls._LANG_INDEXED__ = lang_indexed
+            for i, lang in enumerate(cls.SUPPORTED):
+                lang_indexed[lang] = i
+        else:
+            lang_indexed = super().__getattribute__('_LANG_INDEXED__')
+        index = lang_indexed.get(get_context(), 0)
+        l = super().__getattribute__(name)
+        if index >= len(l):
+            index = 0
+        ret = l[index]
+        if ret is None:
+            ret = l[0]
+        return ret