Printer app really is optionnal

re2o/context_processors.py

@@ -27,6 +27,7 @@ from django.contrib import messages
 
 from preferences.models import GeneralOption, OptionalMachine
 
+from re2o.settings import INSTALLED_APPS
 
 def context_user(request):
     """Fonction de context lorsqu'un user est logué (ou non),
@@ -47,3 +48,12 @@ def context_user(request):
         'name_website': GeneralOption.get_cached_value('site_name'),
         'ipv6_enabled': OptionalMachine.get_cached_value('ipv6'),
     }
+
+def context_printer(request):
+    """
+    Useful to know whether the printer app is activated or not
+    """
+    printer = 'printer' in INSTALLED_APPS
+    return {
+        'printer': printer,
+        }

templates/base.html

@@ -112,12 +112,14 @@ with this program; if not, write to the Free Software Foundation, Inc.,
                                 </ul>
                             </li>
                             {% acl_end %}
+			    {% if printer %}
 			    <li class="dropdown">
                               <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false"><i class="glyphicon glyphicon-print"></i> Printer<span class="caret"></span></a>
                               <ul class="dropdown-menu">
 				<li><a href="{% url "printer:new-job" %}"><i class="fa fa-print"></i> {% trans "Print" %}</a></li>
                               </ul>
                             </li>
+			    {% endif %}
                             {% can_view_app logs %}
                             <li><a href="{% url "logs:index" %}"><i class="fa fa-chart-area"></i> {% trans "Statistics" %}</a></li>
                             {% acl_end %}