fix "no translation file found for domain" errorv1.0-beta1

1 files changed, 11 insertions, 6 deletions

diff --git a/src/hydrilla/util/_util.py b/src/hydrilla/util/_util.py
index 46baa0e..dc18fb9 100644
--- a/src/hydrilla/util/_util.py
+++ b/src/hydrilla/util/_util.py
@@ -145,13 +145,18 @@ def translation(localedir: Union[Path, str], lang: Optional[str]=None) \
     # https://stackoverflow.com/questions/3425294/how-to-detect-the-os-default-language-in-python
     # But I am not going to surrender to Microbugs' nonfree, crappy OS to test
     # it, to the lines inside try: may fail.
-    try:
-        from ctypes.windll import kernel32 as windll
-        lang = locale.windows_locale[windll.GetUserDefaultUILanguage()]
-    except:
-        lang = locale.getdefaultlocale()[0] or 'C'
+    if lang is None:
+        try:
+            from ctypes.windll import kernel32 as windll
+            lang = locale.windows_locale[windll.GetUserDefaultUILanguage()]
+        except:
+            lang = locale.getdefaultlocale()[0] or 'en_US'
+
+    localedir = Path(localedir)
+    if not (localedir / lang).is_dir():
+        lang = 'en_US'
 
     return gettext.translation('hydrilla-messages', localedir=localedir,
-                               languages=[lang, 'en_US'])
+                               languages=[lang])
 
 _ = translation(here.parent / 'builder' / 'locales').gettext