def __init__(self, name, charCompRef, devIORef):
'''
Constructor
Params:
- name is the quite literally the name of the property
- charCompRef is the characteristic component object which contains this
property
- devIORef is a reference to a DevIO to be used with this property
Returns: Nothing
Raises: Nothing.
'''
#------------------------------------------------------------------------------
#determine the real type of the BACI property using the IFR
#First determine the property's name
self.enumIFRName = None
IR = interfaceRepository()
interf = IR.lookup_id(self._NP_RepositoryId)
#determine the underlying enumeration type
for attr in interf._narrow(
CORBA.InterfaceDef).describe_interface().attributes:
#we can use the default_value to get at an instance of the real enumeration
if attr.name == "default_value":
#ifr name of the enum
self.enumIFRName = attr.type.id()
break
#determine the IDL type
self.enumName = self.enumIFRName.split(':')[1].split('/')[1:]
self.modName = self.enumName[0]
#convert the list to a stringified Python package structure which can
#be used with eval
self.enumName = reduce((lambda x, y: str(x) + '.' + str(y)),
self.enumName)
#now comes the complicated part...importing the correct CORBA stub
#without polluting the local namespace...
self.tGlobals = {}
self.tLocals = {}
exec "import " + self.modName in self.tGlobals, self.tLocals
GenericProperty.__init__(self, name, charCompRef, devIORef)
return
def __init__(self, name, charCompRef, devIORef):
"""
Constructor
Params:
- name is the quite literally the name of the property
- charCompRef is the characteristic component object which contains this
property
- devIORef is a reference to a DevIO to be used with this property
Returns: Nothing
Raises: Nothing.
"""
# ------------------------------------------------------------------------------
# determine the real type of the BACI property using the IFR
# First determine the property's name
self.enumIFRName = None
IR = interfaceRepository()
interf = IR.lookup_id(self._NP_RepositoryId)
# determine the underlying enumeration type
for attr in interf._narrow(CORBA.InterfaceDef).describe_interface().attributes:
# we can use the default_value to get at an instance of the real enumeration
if attr.name == "default_value":
# ifr name of the enum
self.enumIFRName = attr.type.id()
break
# determine the IDL type
self.enumName = self.enumIFRName.split(":")[1].split("/")[1:]
self.modName = self.enumName[0]
# convert the list to a stringified Python package structure which can
# be used with eval
self.enumName = reduce((lambda x, y: str(x) + "." + str(y)), self.enumName)
# now comes the complicated part...importing the correct CORBA stub
# without polluting the local namespace...
self.tGlobals = {}
self.tLocals = {}
exec "import " + self.modName in self.tGlobals, self.tLocals
GenericProperty.__init__(self, name, charCompRef, devIORef)
return
def __setupSpecialCases(self):
'''
Helper method designed to handle special cases that we do not necessarily
want being 100% simulated like BACI properties, callbacks, etc.
'''
#look in the CDB for instructions on how to setup the special cases. This
#is mainly used to see if the end-user has specified some devIO class to
#be used with a BACI property.
if_list = getSuperIDs(self.ir)
if_list.append(self.ir)
simCDB = getSimProxy(self._get_name(), self.ir).cdb_handler
simServer = getSimProxy(self._get_name(), self.ir).server_handler
#IFR
ir = interfaceRepository()
#_executeXyz methods need an argument list
args = [self]
#get an interface description for this component
interf = ir.lookup_id(self._NP_RepositoryId)
interf = interf._narrow(CORBA.InterfaceDef)
interf = interf.describe_interface()
#use the IFR descrip to go searching for BACI properties
for attribute in interf.attributes:
#if the typecode is NOT an object reference it cannot be a BACI property.
#that implies it's OK to skip
if not isinstance(attribute.type, omniORB.tcInternal.TypeCode_objref):
continue
#save the short version of the attribute's ID (i.e., ROdouble)
tempType = attribute.type.id().split(":")[1].split("/").pop()
#sequence BACI property
if (tempType=="ROstringSeq")or(tempType=="ROdoubleSeq")or(tempType=="RWdoubleSeq")or(tempType=="ROlongSeq")or(tempType=="RWlongSeq")or(tempType=="ROfloatSeq")or(tempType=="RWfloatSeq"):
attrDict = simServer.getMethod(attribute.name)
if attrDict == None: attrDict = simCDB.getMethod(attribute.name)
if attrDict!= None:
devio = _executeDict(attrDict, args, getCompLocalNS(self._get_name()))
else:
devio = DevIO([])
addProperty(self, attribute.name, devio_ref=devio)
continue
#double BACI property
elif (tempType=="ROdouble")or(tempType=="RWdouble"):
attrDict = simServer.getMethod(attribute.name)
if attrDict == None: attrDict = simCDB.getMethod(attribute.name)
if attrDict!= None:
devio = _executeDict(attrDict, args, getCompLocalNS(self._get_name()))
else:
devio = DevIO(float(0))
addProperty(self, attribute.name, devio_ref=devio)
continue
#float BACI property
elif (tempType=="ROfloat")or(tempType=="RWfloat"):
attrDict = simServer.getMethod(attribute.name)
if attrDict == None: attrDict = simCDB.getMethod(attribute.name)
if attrDict!= None:
devio = _executeDict(attrDict, args, getCompLocalNS(self._get_name()))
else:
devio = DevIO(float(0))
addProperty(self, attribute.name, devio_ref=devio)
continue
#long BACI property
elif (tempType=="ROlong")or(tempType=="RWlong"):
attrDict = simServer.getMethod(attribute.name)
if attrDict == None: attrDict = simCDB.getMethod(attribute.name)
if attrDict!= None:
devio = _executeDict(attrDict, args, getCompLocalNS(self._get_name()))
else:
devio = DevIO(0)
addProperty(self, attribute.name, devio_ref=devio)
continue
#long (Python long also) BACI property
elif (tempType=="ROpattern")or(tempType=="RWpattern")or(tempType=="ROlongLong")or(tempType=="RWlongLong")or(tempType=="ROuLongLong")or(tempType=="ROuLongLong"):
attrDict = simServer.getMethod(attribute.name)
if attrDict == None: attrDict = simCDB.getMethod(attribute.name)
if attrDict!= None:
devio = _executeDict(attrDict, args, getCompLocalNS(self._get_name()))
else:
devio = DevIO(0L)
addProperty(self, attribute.name, devio_ref=devio)
continue
#string BACI property
elif (tempType=="ROstring")or(tempType=="RWstring"):
attrDict = simServer.getMethod(attribute.name)
if attrDict == None: attrDict = simCDB.getMethod(attribute.name)
if attrDict!= None:
devio = _executeDict(attrDict, args, getCompLocalNS(self._get_name()))
else:
devio = DevIO("")
addProperty(self, attribute.name, devio_ref=devio)
continue
else:
ifrName = attribute.type.id()
try:
#get an interface description for this property
tIfr = ir.lookup_id(ifrName)
tIfr = tIfr._narrow(CORBA.InterfaceDef)
tIfr = tIfr.describe_interface()
for tAttr in tIfr.attributes:
#check if it's a default_value AND an enum!
if (tAttr.name=="default_value") and (tAttr.type.kind()==CORBA.tk_enum):
#GREAT! It's completely safe to add!
attrDict = simServer.getMethod(attribute.name)
if attrDict == None: attrDict = simCDB.getMethod(attribute.name)
if attrDict!= None:
devio = _executeDict(attrDict, args, getCompLocalNS(self._get_name()))
else:
devio = DevIO(getRandomEnum(tAttr.type))
addProperty(self, attribute.name, devio_ref=devio)
break
except:
print_exc()
continue
from Acspy.Util.ACSCorba import interfaceRepository
from ACSImpl.Double import ROdouble, RWdouble
from ACSImpl.DoubleSeq import ROdoubleSeq, RWdoubleSeq
from ACSImpl.Long import ROlong, RWlong
from ACSImpl.LongSeq import ROlongSeq, RWlongSeq
from ACSImpl.LongLong import ROlongLong, RWlongLong
from ACSImpl.ULongLong import ROuLongLong, RWuLongLong
from ACSImpl.Pattern import ROpattern, RWpattern
from ACSImpl.String import ROstring, RWstring
from ACSImpl.StringSeq import ROstringSeq
from ACSImpl.Enum import getEnumClass
from Acssim.Float import ROfloat, RWfloat
from Acssim.FloatSeq import ROfloatSeq, RWfloatSeq
#--GLOBALS---------------------------------------------------------------------
IFR = interfaceRepository()
#a dictionary mapping IFR IDs to interface descriptions. this is in place to
#save time (IFR operations are slow)
INTERFACE_DICT = {}
#------------------------------------------------------------------------------
def addProperty(comp_ref,
prop_name,
devio_ref=None,
cdb_location=None,
prop_type=""):
'''
This function automatically adds a BACI property implementation to a
component and it is designed to be used from the initialize lifecyle
method of components. If the IFR is not working correctly, this function
will NOT work at all as it is dependent upon the IFR to obtain the
def __init__(self, ir_id=None):
'''
Standard constructor dynamically changes this objects inheritance.
Also implements all IDL methods/attributes on the fly which just pass
the call to the invoke method (which should be overriden in subclasses!!!).
Parameters:
- irLoc is the interface repository ID of the IDL interface we want to
inherit from. If this is None, it is assumed _get_interface() has
been defined in a subclass (as-per the CORBA specs).
Returns: Nothing
Raises: ???
'''
#set member variables
if ir_id == None:
#assume the _get_interface method is implemented in a subclass...
self.__ir_id = self._get_interface()
self.__ir_id = self.__ir_id._narrow(CORBA.InterfaceDef)
self.__ir_id = self.__ir_id._get_id()
else:
self.__ir_id = ir_id
self.__real_mod = None
self.__real_class = None
#create the POA class first...
classname = self.__ir_id.split(':')[1].split(
'/').pop() #get interface name
self.__real_mod = self.__ir_id.split(':')[1].split(
'/'
)[1] + "__POA" #"IDL:alma/acspytest/PyTest:1.0" becomes "acspytest__POA"
self.__real_mod = __import__(self.__real_mod, globals(), locals(),
[classname]) #get module
self.__real_class = self.__real_mod.__dict__.get(classname) #get class
if self.__real_class is None:
reload(self.__real_mod)
self.__real_class = self.__real_mod.__dict__.get(
classname) #get class
#copy it's class locally thereby converting DynamicImplementation
#into the POA object!
self.__dict__ = _mergeClasses(self.__dict__, self.__real_class)
"""
temp_list = list(self.__class__.__bases__)
try:
#OK for subclasses...
temp_list.insert(temp_list.index(DynamicImplementation), self.__real_class)
except:
#should really never be the case...
temp_list.insert(0, self.__real_class)
self.__class__.__bases__ = tuple(temp_list)
"""
#now that all the underlying infrastructure is in place, we can finally use
#CORBA introspection to start adding methods!
#get the interface repository.
ifr = interfaceRepository()
#assume this can be found in a subclass as well.
self.__interf = ifr.lookup_id(self._NP_RepositoryId)
if self.__interf is None:
print "Failed to find interface", self._NP_RepositoryId
self.__interf = self.__interf._narrow(CORBA.InterfaceDef)
self.__interf = self.__interf.describe_interface()
#add methods
for method in self.__interf.operations:
_createMethodImplementation(self, method.name)
#add attributes
for attribute in self.__interf.attributes:
#read-only and read-write attributes need the _get_ method...
_createMethodImplementation(self, "_get_" + attribute.name)
#but only normal attributes have the _set_ method defined
if attribute.mode == CORBA.ATTR_NORMAL:
_createMethodImplementation(self, "_set_" + attribute.name)
def __init__(self, ir_id=None):
'''
Standard constructor dynamically changes this objects inheritance.
Also implements all IDL methods/attributes on the fly which just pass
the call to the invoke method (which should be overriden in subclasses!!!).
Parameters:
- irLoc is the interface repository ID of the IDL interface we want to
inherit from. If this is None, it is assumed _get_interface() has
been defined in a subclass (as-per the CORBA specs).
Returns: Nothing
Raises: ???
'''
#set member variables
if ir_id == None:
#assume the _get_interface method is implemented in a subclass...
self.__ir_id = self._get_interface()
self.__ir_id = self.__ir_id._narrow(CORBA.InterfaceDef)
self.__ir_id = self.__ir_id._get_id()
else:
self.__ir_id = ir_id
self.__real_mod = None
self.__real_class = None
#create the POA class first...
classname = self.__ir_id.split(':')[1].split('/').pop() #get interface name
self.__real_mod = self.__ir_id.split(':')[1].split('/')[1] + "__POA" #"IDL:alma/acspytest/PyTest:1.0" becomes "acspytest__POA"
self.__real_mod = __import__(self.__real_mod, globals(), locals(), [classname]) #get module
self.__real_class = self.__real_mod.__dict__.get(classname) #get class
if self.__real_class is None:
reload(self.__real_mod)
self.__real_class = self.__real_mod.__dict__.get(classname) #get class
#copy it's class locally thereby converting DynamicImplementation
#into the POA object!
self.__dict__ = _mergeClasses(self.__dict__, self.__real_class)
temp_list = list(self.__class__.__bases__)
try:
#OK for subclasses...
temp_list.insert(temp_list.index(DynamicImplementation), self.__real_class)
except:
#should really never be the case...
temp_list.insert(0, self.__real_class)
self.__class__.__bases__ = tuple(temp_list)
#now that all the underlying infrastructure is in place, we can finally use
#CORBA introspection to start adding methods!
#get the interface repository.
ifr = interfaceRepository()
#assume this can be found in a subclass as well.
self.__interf = ifr.lookup_id(self._NP_RepositoryId)
if self.__interf is None:
print "Failed to find interface", self._NP_RepositoryId
self.__interf = self.__interf._narrow(CORBA.InterfaceDef)
self.__interf = self.__interf.describe_interface()
#add methods
for method in self.__interf.operations:
_createMethodImplementation(self, method.name)
#add attributes
for attribute in self.__interf.attributes:
#read-only and read-write attributes need the _get_ method...
_createMethodImplementation(self, "_get_" + attribute.name)
#but only normal attributes have the _set_ method defined
if attribute.mode == CORBA.ATTR_NORMAL:
_createMethodImplementation(self, "_set_" + attribute.name)
