def getRandomStruct(typeCode, compRef):
'''
Helper function
'''
structDef = getDefinition(typeCode.id())
try:
return getKnownBaciType(structDef._get_id())
except:
pass
#determine which namespace the struct is in...
#changes 'IDL:alma/someMod/.../struct:1.0" to
# [ 'someMod', ...,'struct' ]
nameHierarchy = structDef._get_id().split(':')[1].split('/')[1:]
#Just the 'struct' part...
structName = nameHierarchy.pop()
moduleName = nameHierarchy.pop(0)
LOGGER.logTrace("module=" + moduleName
+ "; hierarchy=" + str(nameHierarchy)
+ "; struct=" + structName)
#import the top module
tGlobals = {}
tLocals = {}
#module object where the struct is contained
container = __import__(moduleName, tGlobals, tLocals, [])
if container == None:
msg = "import of module \'" + moduleName + "\' failed"
LOGGER.logCritical(msg)
raise CORBA.NO_IMPLEMENT(msg)
# Now navigate down the nested hierarchy of objects
for h in nameHierarchy:
previousContainer = container
container = container.__dict__.get(h)
if container == None:
msg = "Name \'" + h + "\' not found in " + str( previousContainer)
LOGGER.logCritical(msg)
raise CORBA.NO_IMPLEMENT(msg)
#class object for the struct
tClass = container.__dict__.get(structName)
if tClass == None:
msg = "Could not get structure \'" + structName + "\' from " \
+ str(container)
LOGGER.logCritical(msg)
raise CORBA.NO_IMPLEMENT(msg)
#create an instance of the struct using a kooky Python mechanism.
retVal = instance(tClass)
#populate the fields of the struct using the IFR
for member in structDef._get_members():
LOGGER.logTrace("Adding a member variable for: " +
str(member.name))
retVal.__dict__[member.name] = getRandomValue(member.type_def._get_type(),
compRef)
return retVal
def getRandomStruct(typeCode, compRef):
'''
Helper function
'''
structDef = getDefinition(typeCode.id())
try:
return getKnownBaciType(structDef._get_id())
except:
pass
#determine which namespace the struct is in...
#changes 'IDL:alma/someMod/.../struct:1.0" to
# [ 'someMod', ...,'struct' ]
nameHierarchy = structDef._get_id().split(':')[1].split('/')[1:]
#Just the 'struct' part...
structName = nameHierarchy.pop()
moduleName = nameHierarchy.pop(0)
LOGGER.logTrace("module=" + moduleName + "; hierarchy=" +
str(nameHierarchy) + "; struct=" + structName)
#import the top module
tGlobals = {}
tLocals = {}
#module object where the struct is contained
container = __import__(moduleName, tGlobals, tLocals, [])
if container == None:
msg = "import of module \'" + moduleName + "\' failed"
LOGGER.logCritical(msg)
raise CORBA.NO_IMPLEMENT(msg)
# Now navigate down the nested hierarchy of objects
for h in nameHierarchy:
previousContainer = container
container = container.__dict__.get(h)
if container == None:
msg = "Name \'" + h + "\' not found in " + str(previousContainer)
LOGGER.logCritical(msg)
raise CORBA.NO_IMPLEMENT(msg)
#class object for the struct
tClass = container.__dict__.get(structName)
if tClass == None:
msg = "Could not get structure \'" + structName + "\' from " \
+ str(container)
LOGGER.logCritical(msg)
raise CORBA.NO_IMPLEMENT(msg)
#create an instance of the struct using a kooky Python mechanism.
retVal = instance(tClass)
#populate the fields of the struct using the IFR
for member in structDef._get_members():
LOGGER.logTrace("Adding a member variable for: " + str(member.name))
retVal.__dict__[member.name] = getRandomValue(
member.type_def._get_type(), compRef)
return retVal
def getRandomEnum(typeCode):
'''
Helper function returns a random enumueration based on the typecode
provided.
Parameters: type code is quite literally a CORBA typecode
Returns: a random enumeration of the type specified by typeCode
Raises: ???
'''
LOGGER.logTrace("Dealing with an enum")
#Determine the value type first. This is really just an enumeration
#for the CORBA typecode
enumDef =getDefinition(typeCode.id())
#determine which Python package the enum is in...
#changes 'IDL:alma/someMod/.../enumeration:1.0" to [ 'someMod',
#..., 'enumeration' ]
enumName = enumDef._get_id().split(':')[1].split('/')[1:]
modName = enumName[0]
#convert the list to a stringified Python package structure which can
#be used with eval
enumName = reduce((lambda x, y : str(x) + '.' + str(y)), enumName)
LOGGER.logTrace("enum name is:" + str(enumName))
LOGGER.logTrace("enum module is:" + str(modName))
#now comes the complicated part...importing the correct CORBA stub
#without polluting the local namespace...
tGlobals = {}
tLocals = {}
exec "from random import choice" in tGlobals, tLocals
exec "import " + modName in tGlobals, tLocals
#with any luck, we should now be able to return the enumeration value
#without any problems
retVal = eval("choice(" + enumName + "._items)", tGlobals, tLocals)
LOGGER.logTrace("enum return value is:" + str(retVal))
return retVal
def getRandomEnum(typeCode):
'''
Helper function returns a random enumueration based on the typecode
provided.
Parameters: type code is quite literally a CORBA typecode
Returns: a random enumeration of the type specified by typeCode
Raises: ???
'''
LOGGER.logTrace("Dealing with an enum")
#Determine the value type first. This is really just an enumeration
#for the CORBA typecode
enumDef = getDefinition(typeCode.id())
#determine which Python package the enum is in...
#changes 'IDL:alma/someMod/.../enumeration:1.0" to [ 'someMod',
#..., 'enumeration' ]
enumName = enumDef._get_id().split(':')[1].split('/')[1:]
modName = enumName[0]
#convert the list to a stringified Python package structure which can
#be used with eval
enumName = reduce((lambda x, y: str(x) + '.' + str(y)), enumName)
LOGGER.logTrace("enum name is:" + str(enumName))
LOGGER.logTrace("enum module is:" + str(modName))
#now comes the complicated part...importing the correct CORBA stub
#without polluting the local namespace...
tGlobals = {}
tLocals = {}
exec "from random import choice" in tGlobals, tLocals
exec "import " + modName in tGlobals, tLocals
#with any luck, we should now be able to return the enumeration value
#without any problems
retVal = eval("choice(" + enumName + "._items)", tGlobals, tLocals)
LOGGER.logTrace("enum return value is:" + str(retVal))
return retVal
def getRandomTuple(typeCode, compRef, valType):
'''
Helper function returns a random Python tuple for CORBA sequences and array
types.
Parameters:
- type code is quite literally a CORBA typecode
- compRef is a reference to a component used to activated IDL OffShoot
interfaces
- valType is the value type of the random value we are trying to get
Returns: a random enumeration of the type specified by typeCode
Raises: an (unknown) exception if the typecode does not really specify a
list type to be returned or a CORBA.NO_IMPLEMENT if we have not gotten
around to supporting the specific typecode yet (e.g., value boxes).
'''
#if this next block does not throw an exception...
realValType = typeCode.content_type().kind()
realTypeCode = getDefinition(typeCode.id())._get_original_type_def()._get_element_type()
#we're really dealing with a sequence, array, value_box, or an alias
LOGGER.logTrace("Dealing with a sequence, array, value_box, or alias:" +
str(realValType) + " " + str(realTypeCode))
#Sequence
if realValType == CORBA.tk_sequence:
LOGGER.logTrace("Dealing with a sequence.")
retVal = []
for i in range(0,randrange(0, getMaxSeqSize())):
retVal.append(getRandomValue(realTypeCode, compRef))
#Sequences of octects and characters must be handled specially in
#Python
if realTypeCode.kind()==CORBA.tk_octet or realTypeCode.kind()==CORBA.tk_char:
LOGGER.logTrace("Dealing with a sequence of characters/octets.")
return reduce((lambda x, y : str(x) + str(y)), retVal)
else:
return tuple(retVal)
#Array
#DWF-take into consideration multi-dimensional arrays
elif realValType == CORBA.tk_array:
size = getDefinition(typeCode.id())._get_original_type_def()._get_type().length()
LOGGER.logTrace("Dealing with an array of size:" + str(size))
retVal = []
for i in range(0,size):
retVal.append(getRandomValue(realTypeCode, compRef))
#Sequences of octects and characters must be handled specially in
#Python
if realTypeCode.kind()==CORBA.tk_octet or realTypeCode.kind()==CORBA.tk_char:
LOGGER.logTrace("Dealing with an array of characters/octets.")
return reduce((lambda x, y : str(x) + str(y)), retVal)
else:
return tuple(retVal)
#Value Box
elif realValType == CORBA.tk_value_box:
LOGGER.logCritical("value_box not yet supported")
raise CORBA.NO_IMPLEMENT()
#If this block of code can ever really be executed in practice...I'll
#be amazed!
elif valType == CORBA.tk_alias:
return getRandomValue(realTypeCode, compRef)
def getRandomTuple(typeCode, compRef, valType):
'''
Helper function returns a random Python tuple for CORBA sequences and array
types.
Parameters:
- type code is quite literally a CORBA typecode
- compRef is a reference to a component used to activated IDL OffShoot
interfaces
- valType is the value type of the random value we are trying to get
Returns: a random enumeration of the type specified by typeCode
Raises: an (unknown) exception if the typecode does not really specify a
list type to be returned or a CORBA.NO_IMPLEMENT if we have not gotten
around to supporting the specific typecode yet (e.g., value boxes).
'''
#if this next block does not throw an exception...
realValType = typeCode.content_type().kind()
realTypeCode = getDefinition(
typeCode.id())._get_original_type_def()._get_element_type()
#we're really dealing with a sequence, array, value_box, or an alias
LOGGER.logTrace("Dealing with a sequence, array, value_box, or alias:" +
str(realValType) + " " + str(realTypeCode))
#Sequence
if realValType == CORBA.tk_sequence:
LOGGER.logTrace("Dealing with a sequence.")
retVal = []
for i in range(0, randrange(0, getMaxSeqSize())):
retVal.append(getRandomValue(realTypeCode, compRef))
#Sequences of octects and characters must be handled specially in
#Python
if realTypeCode.kind() == CORBA.tk_octet or realTypeCode.kind(
) == CORBA.tk_char:
LOGGER.logTrace("Dealing with a sequence of characters/octets.")
return reduce((lambda x, y: str(x) + str(y)), retVal)
else:
return tuple(retVal)
#Array
#DWF-take into consideration multi-dimensional arrays
elif realValType == CORBA.tk_array:
size = getDefinition(
typeCode.id())._get_original_type_def()._get_type().length()
LOGGER.logTrace("Dealing with an array of size:" + str(size))
retVal = []
for i in range(0, size):
retVal.append(getRandomValue(realTypeCode, compRef))
#Sequences of octects and characters must be handled specially in
#Python
if realTypeCode.kind() == CORBA.tk_octet or realTypeCode.kind(
) == CORBA.tk_char:
LOGGER.logTrace("Dealing with an array of characters/octets.")
return reduce((lambda x, y: str(x) + str(y)), retVal)
else:
return tuple(retVal)
#Value Box
elif realValType == CORBA.tk_value_box:
LOGGER.logCritical("value_box not yet supported")
raise CORBA.NO_IMPLEMENT()
#If this block of code can ever really be executed in practice...I'll
#be amazed!
elif valType == CORBA.tk_alias:
return getRandomValue(realTypeCode, compRef)
