def save_graph(cls,
fsmData,
nodeData,
edgeData,
username,
fsmGroups=(),
oldLabel='OLD'):
"""Store FSM specification from node
Store FSM specification from node, edge graph
by renaming any existing
FSM with the same name, and creating new FSM.
Note that ongoing activities
using the old FSM will continue to work (following the old FSM spec),
but any new activities will be created using the new FSM spec
(since they request it by name).
"""
user = User.objects.get(username=username)
name = fsmData['name']
oldName = name + oldLabel
with transaction.atomic(): # rollback if db error occurs
try: # delete nameOLD FSM if any
old = cls.objects.get(name=oldName)
except cls.DoesNotExist:
pass
else:
old.delete()
try: # rename current to nameOLD
old = cls.objects.get(name=name)
except cls.DoesNotExist:
pass
else:
old.name = oldName
old.save()
for group in old.fsmgroup_set.all():
group.delete()
# old.fsmgroup_set.clear() # RelatedManager has no attribute clear
fsm = cls(addedBy=user, **fsmData) # create new FSM
fsm.save()
for groupName in fsmGroups: # register in specified groups
fsm.fsmgroup_set.create(group=groupName)
nodes = {}
for name, nodeDict in nodeData.items(): # save nodes
node = FSMNode(name=name, fsm=fsm, addedBy=user, **nodeDict)
if node.funcName: # make sure plugin imports successfully
get_plugin(node.funcName)
node.save()
nodes[name] = node
if name == 'START':
fsm.startNode = node
fsm.save()
for edgeDict in edgeData: # save edges
edgeDict = edgeDict.copy() # don't modify input dict!
edgeDict['fromNode'] = nodes[edgeDict['fromNode']]
edgeDict['toNode'] = nodes[edgeDict['toNode']]
edge = FSMEdge(addedBy=user, **edgeDict)
edge.save()
return fsm
def save_graph(cls, fsmData, nodeData, edgeData, username, fsmGroups=(), oldLabel='OLD'):
"""Store FSM specification from node
Store FSM specification from node, edge graph
by renaming any existing
FSM with the same name, and creating new FSM.
Note that ongoing activities
using the old FSM will continue to work (following the old FSM spec),
but any new activities will be created using the new FSM spec
(since they request it by name).
"""
user = User.objects.get(username=username)
name = fsmData['name']
oldName = name + oldLabel
with transaction.atomic(): # rollback if db error occurs
try: # delete nameOLD FSM if any
old = cls.objects.get(name=oldName)
except cls.DoesNotExist:
pass
else:
old.delete()
try: # rename current to nameOLD
old = cls.objects.get(name=name)
except cls.DoesNotExist:
pass
else:
old.name = oldName
old.save()
for group in old.fsmgroup_set.all():
group.delete()
# old.fsmgroup_set.clear() # RelatedManager has no attribute clear
fsm = cls(addedBy=user, **fsmData) # create new FSM
fsm.save()
for groupName in fsmGroups: # register in specified groups
fsm.fsmgroup_set.create(group=groupName)
nodes = {}
for name, nodeDict in nodeData.items(): # save nodes
node = FSMNode(name=name, fsm=fsm, addedBy=user, **nodeDict)
if node.funcName: # make sure plugin imports successfully
get_plugin(node.funcName)
node.save()
nodes[name] = node
if name == 'START':
fsm.startNode = node
fsm.save()
for edgeDict in edgeData: # save edges
edgeDict = edgeDict.copy() # don't modify input dict!
edgeDict['fromNode'] = nodes[edgeDict['fromNode']]
edgeDict['toNode'] = nodes[edgeDict['toNode']]
edge = FSMEdge(addedBy=user, **edgeDict)
edge.save()
return fsm
def __get__(self, obj, objtype):
try:
return obj._pluginData
except AttributeError:
if not obj.funcName:
raise AttributeError('no plugin funcName')
klass = get_plugin(obj.funcName)
obj._pluginData = klass()
return obj._pluginData
def __get__(self, obj, objtype):
try:
return obj._pluginData
except AttributeError:
if not obj.funcName:
raise AttributeError('no plugin funcName')
klass = get_plugin(obj.funcName)
obj._pluginData = klass()
return obj._pluginData
