def __init__(self, configDict, importedAlready=None):
""" Constructs the configuration from a dictionary of values. """
importedAlready = importedAlready or []
if constants.STATE_MACHINES_ATTRIBUTE not in configDict:
raise exceptions.StateMachinesAttributeRequiredError()
self.rootUrl = configDict.get(constants.ROOT_URL_ATTRIBUTE,
constants.DEFAULT_ROOT_URL)
if not self.rootUrl.endswith('/'):
self.rootUrl += '/'
self.machines = {}
# import built-in machines
self._importBuiltInMachines(importedAlready=importedAlready)
for machineDict in configDict[constants.STATE_MACHINES_ATTRIBUTE]:
# bring in all the imported machines
if machineDict.get(constants.IMPORT_ATTRIBUTE):
self._importYaml(machineDict[constants.IMPORT_ATTRIBUTE],
importedAlready=importedAlready)
continue
machine = _MachineConfig(machineDict, rootUrl=self.rootUrl)
if machine.name in self.machines:
raise exceptions.MachineNameNotUniqueError(machine.name)
# add the states
for stateDict in machineDict.get(
constants.MACHINE_STATES_ATTRIBUTE, []):
machine.addState(stateDict)
if not machine.initialState:
raise exceptions.MachineHasNoInitialStateError(machine.name)
if not machine.finalStates:
raise exceptions.MachineHasNoFinalStateError(machine.name)
# add the transitions (2-phase parsing :( )
for stateDict in machineDict.get(
constants.MACHINE_STATES_ATTRIBUTE, []):
for transDict in stateDict.get(
constants.STATE_TRANSITIONS_ATTRIBUTE, []):
machine.addTransition(
transDict, stateDict[constants.STATE_NAME_ATTRIBUTE])
self.machines[machine.name] = machine
def __addMachinesFromImportedConfig(self, importedCofig):
""" Adds new machines from an imported configuration. """
for machineName, machine in importedCofig.machines.items():
if machineName in self.machines:
raise exceptions.MachineNameNotUniqueError(machineName)
self.machines[machineName] = machine
def __init__(self,
configDict,
importedAlready=None,
rootUrl=None,
enableCapabilitiesCheck=None):
""" Constructs the configuration from a dictionary of values. """
importedAlready = importedAlready or []
if constants.STATE_MACHINES_ATTRIBUTE not in configDict:
raise exceptions.StateMachinesAttributeRequiredError()
if rootUrl is None:
self.rootUrl = configDict.get(constants.ROOT_URL_ATTRIBUTE,
constants.DEFAULT_ROOT_URL)
else:
self.rootUrl = rootUrl
if constants.ROOT_URL_ATTRIBUTE in configDict:
message = 'Cannot specify "%s" in an imported .yaml file.' % constants.ROOT_URL_ATTRIBUTE
raise exceptions.ConfigurationError(message)
if enableCapabilitiesCheck is None:
self.enableCapabilitiesCheck = configDict.get(
constants.ENABLE_CAPABILITIES_CHECK_ATTRIBUTE,
constants.DEFAULT_ENABLE_CAPABILITIES_CHECK)
else:
self.enableCapabilitiesCheck = enableCapabilitiesCheck
if constants.ENABLE_CAPABILITIES_CHECK_ATTRIBUTE in configDict:
message = 'Cannot specify "%s" in an imported .yaml file.' % \
constants.ENABLE_CAPABILITIES_CHECK_ATTRIBUTE
raise exceptions.ConfigurationError(message)
if not self.rootUrl.endswith('/'):
self.rootUrl += '/'
self.machines = {}
# import built-in machines
self._importBuiltInMachines(importedAlready=importedAlready)
for machineDict in configDict[constants.STATE_MACHINES_ATTRIBUTE]:
# bring in all the imported machines
if machineDict.get(constants.IMPORT_ATTRIBUTE):
self._importYaml(machineDict[constants.IMPORT_ATTRIBUTE],
importedAlready=importedAlready)
continue
machine = _MachineConfig(machineDict, rootUrl=self.rootUrl)
if machine.name in self.machines:
raise exceptions.MachineNameNotUniqueError(machine.name)
# add the states
for stateDict in machineDict.get(
constants.MACHINE_STATES_ATTRIBUTE, []):
machine.addState(stateDict)
if not machine.initialState:
raise exceptions.MachineHasNoInitialStateError(machine.name)
if not machine.finalStates:
raise exceptions.MachineHasNoFinalStateError(machine.name)
# add the transitions (2-phase parsing :( )
for stateDict in machineDict.get(
constants.MACHINE_STATES_ATTRIBUTE, []):
for transDict in stateDict.get(
constants.STATE_TRANSITIONS_ATTRIBUTE, []):
machine.addTransition(
transDict, stateDict[constants.STATE_NAME_ATTRIBUTE])
self.machines[machine.name] = machine