def __removePrerequisites(self, event):
self.__relationsToRestore = dict() # pylint: disable-msg=W0201
for task in self.items:
prerequisites, dependencies = task.prerequisites(), task.dependencies()
self.__relationsToRestore[task] = prerequisites, dependencies
task.removeTaskAsDependencyOf(prerequisites, event=event)
task.removeTaskAsPrerequisiteOf(dependencies, event=event)
task.setPrerequisites([], event=event)
task.setDependencies([], event=event)
def addPrerequisitesAndDependencies(tasks):
for task in tasks:
dummyPrerequisites = task.prerequisites()
prerequisites = set()
for dummyPrerequisite in dummyPrerequisites:
prerequisites.add(tasksById[dummyPrerequisite.id])
task.setPrerequisites(prerequisites)
for prerequisite in prerequisites:
prerequisite.addDependencies([task])
addPrerequisitesAndDependencies(task.children())
def addPrerequisitesAndDependencies(tasks, event):
for task in tasks:
if task.isDeleted():
# Don't restore prerequisites and dependencies for deleted
# tasks
task.setPrerequisites([], event=event)
continue
dummyPrerequisites = task.prerequisites()
prerequisites = set()
for dummyPrerequisite in dummyPrerequisites:
try:
prerequisites.add(tasksById[dummyPrerequisite.id])
except KeyError:
# Release 1.2.11 and older have a bug where tasks can
# have prerequisites listed that don't exist anymore
pass
task.setPrerequisites(prerequisites, event=event)
for prerequisite in prerequisites:
prerequisite.addDependencies([task], event=event)
addPrerequisitesAndDependencies(task.children(), event)
def __restorePrerequisites(self, event):
for task, (prerequisites, dependencies) in self.__relationsToRestore.items():
task.addTaskAsDependencyOf(prerequisites, event=event)
task.addTaskAsPrerequisiteOf(dependencies, event=event)
task.setPrerequisites(prerequisites, event=event)
task.setDependencies(dependencies, event=event)
