Fixed Calculation of duration to last milking

DB.py

@@ -195,15 +195,15 @@ if __name__ == "__main__":
           'rfid'     :    '123543546' 
           }
   #conn.addanimal (data)
-  print (conn.getanimals ())
+  #print (conn.getanimals ())
   
   data = {'animalnr' :    711,
           'ts'       :    '2017.03.01 14:24:57',
           'ammount'  :    '5.00', 
           'time'     :    '234'}
   #conn.addmilkdata (data)
-  print (conn.getlastmilkdatabyanimal ('711', 3))
-  print ("All Milkingdata")
-  for ds in conn.getiallmilkdata ():
-    print (ds)
+  print (conn.getlastmilkdatabyanimal ('657', 3))
+  #print ("All Milkingdata")
+  #for ds in conn.getiallmilkdata ():
+  #  print (ds)
 

lactor.py

@@ -171,7 +171,7 @@ class CanListener (can.Listener):
             if len (_lastmilkdata):
               _mdts, _mdanimalnr, _mdammount, _mdtime, _mplace = _lastmilkdata [0]
               _mddt = datetime.strptime (_mdts, '%Y-%m-%d %H:%M:%S')
-              _lmdelta =  (datetime.now() - _mddt).seconds
+              _lmdelta =  int ((datetime.now() - _mddt).total_seconds())
               self.log ("Letze Melkung war vor %s s" % _lmdelta, 5)
               if (_lmdelta  < 7200):
                 self.log ("2te Melkung", 1)