insert only if it doesnt already exist

mysecrets.py

@@ -94,6 +94,11 @@ class index:
 			
 		if method == 'create':
 			i = web.input()
+
+			exists = db.select('passwords', where='username="'+i.username+'" and password="' +\
+				i.password+'" and base_url="'+i.base_url+'"')			
+
+			if not exists:
 				n = db.insert('passwords', username=i.username, password=i.password, \
 					base_url=i.base_url)