From 251deb889a1526788ce3bf6b221afd167315a157 Mon Sep 17 00:00:00 2001
From: Louis <spalax@gresille.org>
Date: Wed, 30 Dec 2015 21:36:18 +0100
Subject: [PATCH] Define a constant for the default language

---
 patacrep/latex/__init__.py | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/patacrep/latex/__init__.py b/patacrep/latex/__init__.py
index 0836a8bb..8e4abd5f 100644
--- a/patacrep/latex/__init__.py
+++ b/patacrep/latex/__init__.py
@@ -13,6 +13,8 @@ from patacrep.latex.syntax import tex2plain, parse_song
 
 LOGGER = logging.getLogger(__name__)
 
+DEFAULT_LANGUAGE = "en_us"
+
 BABEL_LANGUAGES = OrderedDict((
     ('de_de', 'german'),
     ('de_at', 'austrian'),
@@ -132,13 +134,14 @@ def checklanguage(lang):
     available = ", ".join(BABEL_LANGUAGES.keys())
     raise UnknownLanguage(
         original=lang,
-        fallback="en_us",
+        fallback=DEFAULT_LANGUAGE,
         message=(
             "Unknown language code '{}' (supported: {}). Using "
-            "default 'en_us' instead."
+            "default '{}' instead."
             ).format(
                 lang,
-                available
+                available,
+                DEFAULT_LANGUAGE,
             )
     )