connectors/WAMP_dialog.py
author Edouard Tisserant <edouard.tisserant@gmail.com>
Tue, 15 Nov 2022 20:43:39 +0100
branchwxPython4
changeset 3677 6d9040e07c32
parent 2610 7e31997b2799
child 3750 f62625418bff
permissions -rw-r--r--
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.
#!/usr/bin/env python
# -*- coding: utf-8 -*-

# See COPYING file for copyrights details.

from __future__ import absolute_import

from itertools import repeat, islice, chain

from connectors.SchemeEditor import SchemeEditor

Schemes = ["WAMP", "WAMPS"]

model = [('host', _("Host:")),
         ('path', _("Path:")),
         ('port', _("Port:")),
         ('realm', _("Realm:"))]


class WAMP_dialog(SchemeEditor):
    def __init__(self, *args, **kwargs):
        self.model = model
        self.EnableIDSelector = True
        SchemeEditor.__init__(self, *args, **kwargs)

    # pylint: disable=unused-variable
    def SetLoc(self, loc):
        hostportpath, realm, ID = list(islice(chain(loc.split("#"), repeat("")), 3))
        hostport, path = list(islice(chain(hostportpath.split("/"), repeat("")), 2))
        host, port = list(islice(chain(hostport.split(":"), repeat("")), 2))
        self.SetFields(locals())

    def GetLoc(self):
        fields = self.GetFields()

        # TODO : input validation test

        template = "{host}" + \
                   (":{port}" if fields['port'] else '') +\
                   ("/{path}" if fields['path'] else '') +\
                   "#{realm}#{ID}"

        return template.format(**fields)