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 -*-
# This file is part of Beremiz
# See COPYING file for copyrights details.
from __future__ import absolute_import
from util.TranslationCatalogs import NoTranslate
_ = NoTranslate
ITEMS_EDITABLE = [
ITEM_PROJECT,
ITEM_POU,
ITEM_VARIABLE,
ITEM_TRANSITION,
ITEM_ACTION,
ITEM_CONFIGURATION,
ITEM_RESOURCE,
ITEM_DATATYPE
] = range(8)
ITEMS_UNEDITABLE = [
ITEM_DATATYPES,
ITEM_FUNCTION,
ITEM_FUNCTIONBLOCK,
ITEM_PROGRAM,
ITEM_TRANSITIONS,
ITEM_ACTIONS,
ITEM_CONFIGURATIONS,
ITEM_RESOURCES,
ITEM_PROPERTIES
] = range(8, 17)
ITEMS_VARIABLE = [
ITEM_VAR_LOCAL,
ITEM_VAR_GLOBAL,
ITEM_VAR_EXTERNAL,
ITEM_VAR_TEMP,
ITEM_VAR_INPUT,
ITEM_VAR_OUTPUT,
ITEM_VAR_INOUT
] = range(17, 24)
ITEM_CONFNODE = 25
VAR_CLASS_INFOS = {
"Local": ("localVars", ITEM_VAR_LOCAL),
"Global": ("globalVars", ITEM_VAR_GLOBAL),
"External": ("externalVars", ITEM_VAR_EXTERNAL),
"Temp": ("tempVars", ITEM_VAR_TEMP),
"Input": ("inputVars", ITEM_VAR_INPUT),
"Output": ("outputVars", ITEM_VAR_OUTPUT),
"InOut": ("inOutVars", ITEM_VAR_INOUT)}
POU_TYPES = {
"program": ITEM_PROGRAM,
"functionBlock": ITEM_FUNCTIONBLOCK,
"function": ITEM_FUNCTION,
}
CLASS_TYPES = {
"configuration": ITEM_CONFIGURATION,
"resource": ITEM_RESOURCE,
"action": ITEM_ACTION,
"transition": ITEM_TRANSITION,
"program": ITEM_PROGRAM
}
LOCATIONS_ITEMS = [LOCATION_CONFNODE,
LOCATION_MODULE,
LOCATION_GROUP,
LOCATION_VAR_INPUT,
LOCATION_VAR_OUTPUT,
LOCATION_VAR_MEMORY] = range(6)
UNEDITABLE_NAMES = [_("User-defined POUs"), _("Functions"), _("Function Blocks"),
_("Programs"), _("Data Types"), _("Transitions"), _("Actions"),
_("Configurations"), _("Resources"), _("Properties")]
[USER_DEFINED_POUS, FUNCTIONS, FUNCTION_BLOCKS, PROGRAMS,
DATA_TYPES, TRANSITIONS, ACTIONS, CONFIGURATIONS,
RESOURCES, PROPERTIES] = UNEDITABLE_NAMES
# -------------------------------------------------------------------------------
# Project Element tag name computation functions
# -------------------------------------------------------------------------------
# Compute a data type name
def ComputeDataTypeName(datatype):
return "D::%s" % datatype
# Compute a pou name
def ComputePouName(pou):
return "P::%s" % pou
# Compute a pou transition name
def ComputePouTransitionName(pou, transition):
return "T::%s::%s" % (pou, transition)
# Compute a pou action name
def ComputePouActionName(pou, action):
return "A::%s::%s" % (pou, action)
# Compute a pou name
def ComputeConfigurationName(config):
return "C::%s" % config
# Compute a pou name
def ComputeConfigurationResourceName(config, resource):
return "R::%s::%s" % (config, resource)
def GetElementType(tagname):
words = tagname.split("::")
if len(words) == 1:
return ITEM_CONFNODE
return {
"D": ITEM_DATATYPE,
"P": ITEM_POU,
"T": ITEM_TRANSITION,
"A": ITEM_ACTION,
"C": ITEM_CONFIGURATION,
"R": ITEM_RESOURCE
}[words[0]]
# remove gettext override
del _