Gives the language parameter to templates

tracim/tracim/lib/helpers.py

 from tracim.model.data import Workspace
 
 
+def get_lang() -> str:
+    """
+    Gets language code.
+
+    Provides the first language:
+    - asked by the request to the server,
+    - supported by Tracim.
+    """
+    return tg.i18n.get_lang(all=False)[0]
+
+
 def get_with_timezone(
         datetime_object: datetime.datetime,
         to_timezone: str='',

tracim/tracim/templates/master_anonymous.mak

         <link href="${tg.url('/assets/dist/all.css')}" rel="stylesheet">
 
         <script>
-          globalTracimLang = 'fr_FR'
+          globalTracimLang = ${h.get_lang()}
         </script>
     </head>
 

tracim/tracim/templates/master_authenticated.mak

             window.addEventListener("hashchange", shiftWindow);
             function load() { if (window.location.hash) shiftWindow(); }
 
-            globalTracimLang = 'fr_FR'
+            globalTracimLang = ${h.get_lang()}
         </script>
         <link rel="manifest" href="manifest.json?v=0.0.1" />
     </head>

tracim/tracim/templates/master_no_toolbar_no_login.mak

         <![endif]-->
 
         <script>
-          globalTracimLang = 'fr_FR'
+          globalTracimLang = ${h.get_lang()}
         </script>
     </head>