From f7c8b52e40464b932c9aa6d7b74174d9cbeca401 Mon Sep 17 00:00:00 2001
From: Oliverpool <oliverpool@hotmail.fr>
Date: Mon, 19 Oct 2015 23:04:43 +0200
Subject: [PATCH] Properly log the error when the language code is unknown

---
 patacrep/songs/__init__.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/patacrep/songs/__init__.py b/patacrep/songs/__init__.py
index 7830f5c4..dcea0e27 100644
--- a/patacrep/songs/__init__.py
+++ b/patacrep/songs/__init__.py
@@ -27,8 +27,8 @@ def lang2language(lang):
     try:
         return BABEL_LANGUAGES[lang]
     except KeyError:
-        # TODO: raise a nice error
-        print('Unknown lang:' + lang)
+        available = ", ".join(BABEL_LANGUAGES.keys())
+        LOGGER.error('Unknown lang code: ' + lang + '. Supported: ' + available)
         return 'english'
 
 def cached_name(datadir, filename):