Add display only switch (-p)

iwla.py

@@ -608,6 +608,10 @@ class IWLA(object):
 
         duplicated_stats['nb_visitors'] = stats['nb_visitors'] = len(self.valid_visitors.keys())
 
+        if args.display_only:
+            self._generateDisplay()
+            return
+
         self._callPlugins(conf.POST_HOOK_DIRECTORY)
 
         path = self.getDBFilename(cur_time)
@@ -632,6 +636,9 @@ class IWLA(object):
         self._generateDisplay()
 
     def _generateDayStats(self):
+        if args.display_only:
+            return
+
         visits = self.current_analysis['visits']
         cur_time = self.meta_infos['last_time']
 
@@ -835,6 +842,10 @@ if __name__ == '__main__':
                         default=False,
                         help='Don\'t compress databases (bigger but faster, not compatible with compressed databases)')
 
+    parser.add_argument('-p', '--display-only', dest='display_only', action='store_true',
+                        default=False,
+                        help='Only generate display')
+
     args = parser.parse_args()
 
     # Load user conf