Configurable analytics javascript

pboard/development.ini.base

 #javascript files (if your library supports that)
 toscawidgets.framework.resource_variant=debug
 
+# if you have an analytics tracker, like google analytics or piwik,
+# put the path of the js file to include here (relative to .ini directory)
+js_tracker_path = analytics.js
+
 [loggers]
 keys = root, pboard, sqlalchemy, auth
 

pboard/pboard/lib/helpers.py

 from markupsafe import Markup
 from datetime import datetime
 from tg.i18n import ugettext as _, lazy_ugettext as l_
+import tg
 
 def current_year():
   now = datetime.now()
   Shared = '<i class="fa fa-group"></i>'
   Private = '<i class="fa fa-key"></i>'
 
+def tracker_js():
+    js_file_path = tg.config.get('js_tracker_path', None)
+    if js_file_path is not None:
+        with open (js_file_path, "r") as js_file:
+            data=js_file.read()
+        return data
+    else:
+        return ""

pboard/pboard/templates/master.mak

   <script src="${tg.url('/javascript/external/google-code-prettify/prettify.js')}"></script>
   <script src="${tg.url('/javascript/external/bootstrap-wysiwyg.js')}"></script>
   <script src="/javascript/external/bootstrap-datetimepicker.min.js"></script>
+  ${h.tracker_js()|n}
 
 </body>