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 ''