OPC-UA: only support the encryption policy selected in config.

By default open62541 client accepts all supported policies, but in makes problem
when negociating with some servers while most clients seems to only support
one policy at a time.

     1

#!/usr/bin/env python

     2

# -*- coding: utf-8 -*-

     3

     4

# This file is part of Beremiz

     5

# Copyright (C) 2019: Edouard TISSERANT

     6

#

     7

# See COPYING file for copyrights details.

     8

     9

from __future__ import absolute_import

    10

from svghmi.svghmi import *