Remove heavy code (nginx filename) using a filter

filter_plugins/nginx.py

@@ -0,0 +1,20 @@
+def nginx_site_filename(site):
+    if site.has_key('filename'):
+        return site['filename']
+    else:
+        return nginx_site_name(site)
+
+def nginx_site_name(site):
+    if isinstance(site['name'], list):
+        return site['name'][0]
+    else:
+        return site['name']
+
+class FilterModule(object):
+    ''' Nginx module '''
+
+    def filters(self):
+        return {
+            'nginx_site_filename': nginx_site_filename,
+            'nginx_site_name': nginx_site_name
+        }