Support different lang in template defaults

patacrep/data/templates/default.tex

@@ -31,12 +31,14 @@ schema:
       type: //arr
       contents: //str
 default:
-  title: "Guitar songbook"
-  author: "The Patacrep Team"
-description.en:
-  title: "Title"
-  author: "Author"
-  classoptions: "LaTeX class options"
+  en:
+    title: "Guitar songbook"
+    author: "The Patacrep Team"
+description:
+  en:
+    title: "Title"
+    author: "Author"
+    classoptions: "LaTeX class options"
 (* endvariables -*)
 
 (*- extends "songs.tex" -*)

patacrep/data/templates/patacrep.tex

@@ -43,20 +43,21 @@ schema:
         index: //str
 
 default:
-  subtitle: ""
-  version: ""
-  url: http://www.patacrep.com"
-  email: crep@team-on-fire.com
-  picture: img/treble_a
-  picturecopyright: "Dbolton \\url{http://commons.wikimedia.org/wiki/User:Dbolton}"
-  footer: "Generated using Songbook (\\url{http://www.patacrep.com})"
-  color:
-    songlink: 4e9a06
-    hyperlink: 204a87
-  bgcolor:
-    songnumber: D1E4AE
-    note: D1E4AE
-    index: D1E4AE
+  en:
+    subtitle: ""
+    version: ""
+    url: http://www.patacrep.com"
+    email: crep@team-on-fire.com
+    picture: img/treble_a
+    picturecopyright: "Dbolton \\url{http://commons.wikimedia.org/wiki/User:Dbolton}"
+    footer: "Generated using Songbook (\\url{http://www.patacrep.com})"
+    color:
+      songlink: 4e9a06
+      hyperlink: 204a87
+    bgcolor:
+      songnumber: D1E4AE
+      note: D1E4AE
+      index: D1E4AE
 (* endvariables -*)
 
 (*- extends "default.tex" -*)

patacrep/templates.py

@@ -171,19 +171,26 @@ class TexBookRenderer(Renderer):
         for templatename, param in data.items():
             template_config = user_config.get(templatename, {})
             try:
-                variables[templatename] = self._get_variables(param, template_config)
+                variables[templatename] = self._get_variables(param, template_config, self.lang)
             except errors.SchemaError as exception:
                 exception.message += "'template' > '{}' > ".format(templatename)
                 raise exception
         return variables
 
     @staticmethod
-    def _get_variables(parameter, user_config):
+    def _get_variables(parameter, user_config, lang):
         '''Get the default value for the parameter, according to the language.
 
         Will raise `SchemaError` if the data does not respect the schema
         '''
-        data = utils.DictOfDict(parameter.get('default', {}))
+        locale_default = parameter.get('default', {})
+        # Initialize with default in english
+        data = locale_default.get('en', {})
+        data = utils.DictOfDict(data)
+
+        # Update default with current lang
+        data.update(locale_default.get(lang, {}))
+        # Update default with user_config
         data.update(user_config)
 
         schema = parameter.get('schema', {})