def changeIdentifier(self, old_identifier, new_identifier):
old_config = get_configuration_file(self._location, old_identifier)
new_config = get_configuration_file(self._location, new_identifier)
try:
os.rename(old_config, new_config)
except OSError:
pass
def saveState(self, ws):
connectionMap = {}
stepList = []
for item in self._items:
if item.Type == MetaStep.Type:
stepList.append(item)
elif item.Type == Connection.Type:
if item.source() in connectionMap:
connectionMap[item.source()].append(item)
else:
connectionMap[item.source()] = [item]
location = self._manager.location()
ws.beginGroup('view')
for key in self._view_parameters:
ws.setValue(key, self._view_parameters[key])
ws.endGroup()
ws.remove('nodes')
ws.beginGroup('nodes')
ws.beginWriteArray('nodelist')
nodeIndex = 0
for metastep in stepList:
if metastep.hasIdentifierChanged():
if metastep.getIdentifier() and metastep.getStepIdentifier():
self._manager.changeIdentifier(metastep.getIdentifier(), metastep.getStepIdentifier())
metastep.syncIdentifier()
identifier = metastep.getIdentifier() or metastep.getUniqueIdentifier()
step = metastep.getStep()
step_config = step.serialize()
if step_config:
with open(get_configuration_file(location, identifier), 'w') as f:
f.write(step_config)
ws.setArrayIndex(nodeIndex)
source_uri = step.getSourceURI()
if source_uri is not None:
ws.setValue('source_uri', source_uri)
ws.setValue('name', step.getName())
ws.setValue('position', metastep.getPos())
ws.setValue('selected', metastep.getSelected())
ws.setValue('identifier', identifier)
ws.setValue('unique_identifier', metastep.getUniqueIdentifier())
ws.beginWriteArray('connections')
connectionIndex = 0
if metastep in connectionMap:
for connectionItem in connectionMap[metastep]:
ws.setArrayIndex(connectionIndex)
ws.setValue('connectedFromIndex', connectionItem.sourceIndex())
ws.setValue('connectedTo', stepList.index(connectionItem.destination()))
ws.setValue('connectedToIndex', connectionItem.destinationIndex())
ws.setValue('selected', connectionItem.getSelected())
connectionIndex += 1
ws.endArray()
nodeIndex += 1
ws.endArray()
ws.endGroup()
def loadConfiguration(location, identifier):
filename = get_configuration_file(location, identifier)
configuration = '{}'
try:
with open(filename) as f:
configuration = f.read()
except Exception:
pass
return configuration