connectors/PYRO_dialog.py
author Edouard Tisserant
Wed, 10 Mar 2021 09:59:18 +0100
branchsvghmi
changeset 3182 a7941f053a83
parent 2609 c8cb60bf6c6a
child 3750 f62625418bff
permissions -rw-r--r--
Runtime: Added PostStart methot to PLCObject, called after PLC is started, with all libraries and python object already created, and python extensions "Start" methods being called.
This is called before python thread processing py_eval blocks starts. Example purpose: attach additional ressource to web services
#!/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


model = [('host', _("Host:")),
         ('port', _("Port:"))]

# (scheme, model, secure)
models = [("LOCAL", [], False), ("PYRO", model, False), ("PYROS", model, True)]

Schemes = list(zip(*models)[0])

_PerSchemeConf = {sch: (mod, sec) for sch, mod, sec in models}


class PYRO_dialog(SchemeEditor):
    def __init__(self, scheme, *args, **kwargs):
        # ID selector is enabled only on PYROS (secure)
        self.model, self.EnableIDSelector = _PerSchemeConf[scheme]

        SchemeEditor.__init__(self, scheme, *args, **kwargs)

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

    def GetLoc(self):
        if self.model:
            fields = self.GetFields()
            template = "{host}"
            if fields['port']:
                template += ":{port}"
            if self.EnableIDSelector:
                if fields['ID']:
                    template += "#{ID}"

            return template.format(**fields)
        return ''