Do not hardcode database name and owner

management/commands/import_nk15.py

@@ -231,13 +231,16 @@ class Command(BaseCommand):
         parser.add_argument('-b', '--boutons', action = 'store_true', help="import boutons")
         parser.add_argument('-t', '--transactions', action = 'store_true',help="import transaction")
         parser.add_argument('-a', '--aliases', action = 'store_true',help="import aliases")
+        parser.add_argument('-d', '--nk15db', action='store', default='nk15', help='NK15 database name')
+        parser.add_argument('-u', '--nk15user', action='store', default='nk15_user', help='NK15 database owner')
         
     def handle(self, *args, **kwargs):
+        nk15db, nk15user = kwargs['nk15db'], kwargs['nk15user']
         #reset database.
         call_command("flush")
         self.print_success("flush  nk20 database")
         # connecting to nk15 database
-        conn = pg.connect(database="nk15",user="nk15_user")
+        conn = pg.connect(database=nk15db,user=nk15user)
         cur = conn.cursor(cursor_factory = pge.DictCursor)
 
         if kwargs["special"]: