direct.showbase.ContainerLeakDetector

from direct.showbase.ContainerLeakDetector import CheckContainers, ContainerLeakDetector, FPTObjsNamed, FPTObjsOfType, FindContainers, Indirection, NoDictKey, ObjectRef, PruneObjectRefs

Inheritance diagram

class CheckContainers(name, leakDetector, index)

Bases: Job

Job to check container sizes and find potential leaks; sub-job of ContainerLeakDetector

ReprItems = 5

__init__(self, name, leakDetector, index)

destroy(self)

getPriority(self)

run(self)

class ContainerLeakDetector(name, firstCheckDelay=None)

Bases: Job

Low-priority Python object-graph walker that looks for leaking containers. To reduce memory usage, this does a random walk of the Python objects to discover containers rather than keep a set of all visited objects; it may visit the same object many times but eventually it will discover every object. Checks container sizes at ever-increasing intervals.

PrivateIds = {}

__init__(self, name, firstCheckDelay=None)

addPrivateObj(obj)

destroy(self)

getContainerById(self, id)

getContainerByIdGen(self, id, **kwArgs)

getContainerIds(self)

getContainerNameById(self, id)

getContainerNameByIdGen(self, id, **kwArgs)

getLeakEvent(self)

getPathsToContainers(self, name, ot, doneCallback=None)

getPathsToContainersNamed(self, name, on, doneCallback=None)

notify = <direct.directnotify.Notifier.Notifier object>

removeContainerById(self, id)

removePrivateObj(obj)

run(self)

class FPTObjsNamed(name, leakDetector, on, doneCallback=None)

Bases: Job

__init__(self, name, leakDetector, on, doneCallback=None)

destroy(self)

finished(self)

getPriority(self)

run(self)

class FPTObjsOfType(name, leakDetector, otn, doneCallback=None)

Bases: Job

__init__(self, name, leakDetector, otn, doneCallback=None)

destroy(self)

finished(self)

getPriority(self)

run(self)

class FindContainers(name, leakDetector)

Bases: Job

Explore the Python graph, looking for objects that support __len__()

__init__(self, name, leakDetector)

destroy(self)

getPriority(self)

getStartObjAffinity(startObj)

run(self)

class Indirection(evalStr=None, dictKey=<class 'direct.showbase.ContainerLeakDetector.NoDictKey'>)

Bases: object

Represents the indirection that brings you from a container to an element of the container. Stored as a string to be used as part of an eval, or as a key to be looked up in a dict. Each dictionary dereference is individually eval’d since the dict key might have been garbage-collected TODO: store string components that are duplicates of strings in the actual system so that Python will keep one copy and reduce memory usage

__init__(self, evalStr=None, dictKey=<class 'direct.showbase.ContainerLeakDetector.NoDictKey'>)

acquire(self)

dereferenceDictKey(self, parentDict)

destroy(self)

getString(self, prevIndirection=None, nextIndirection=None)

isDictKey(self)

release(self)

class NoDictKey

Bases: object

class ObjectRef(indirection, objId, other=None)

Bases: object

stores a reference to a container in a way that does not prevent garbage collection of the container if possible stored as a series of ‘indirections’ (obj.foo -> ‘.foo’, dict[key] -> ‘[key]’, etc.)

class FailedEval

Bases: Exception

__init__(self, indirection, objId, other=None)

destroy(self)

getContainerGen(self, getInstance=False)

getEvalStrGen(self, getInstance=False)

getFinalIndirectionStr(self)

getNumIndirections(self)

goesThrough(self, obj=None, objId=None)

goesThroughGen(self, obj=None, objId=None)

notify = <direct.directnotify.Notifier.Notifier object>

class PruneObjectRefs(name, leakDetector)

Bases: Job

Job to destroy any container refs that are no longer valid. Checks validity by asking for each container

__init__(self, name, leakDetector)

destroy(self)

getPriority(self)

run(self)