Package buildbot :: Package status :: Module persistent_queue :: Class DequeMemoryQueue

Class DequeMemoryQueue

object --+
         |
        DequeMemoryQueue

Simple length bounded queue using deque.

list.pop(0) operation is O(n) so for a 10000 items list, it can start to be real slow. On the contrary, deque.popleft() is O(1) most of the time. See http://docs.python.org/library/collections.html for more information.

Instance Methods

__init__(self, maxItems=None)
x.__init__(...) initializes x; see x.__class__.__doc__ for signature

source code

pushItem(self, item)

source code

insertBackChunk(self, chunk)

source code

popChunk(self, nbItems=None)

source code

save(self)

source code

items(self)

source code

nbItems(self)

source code

maxItems(self)

source code

__providedBy__(...)
Object Specification Descriptor

source code

Inherited from object: __delattr__, __getattribute__, __hash__, __new__, __reduce__, __reduce_ex__, __repr__, __setattr__, __str__

Class Variables
	__implemented__ = `<implementedBy buildbot.status.persistent_qu...`
	__provides__ = `<zope.interface.declarations.ClassProvides obje...`

Properties
Inherited from `object`: `__class__`

Method Details

init(self, maxItems=None)
(Constructor)

source code

x.__init__(...) initializes x; see x.__class__.__doc__ for signature

Overrides: object.__init__: (inherited documentation)

Class Variable Details

implemented

Value:

<implementedBy buildbot.status.persistent_queue.DequeMemoryQueue>

provides

Value:

<zope.interface.declarations.ClassProvides object at 0x19c1190>

Class DequeMemoryQueue

__init__(self, maxItems=None) (Constructor)

__implemented__

__provides__

init(self, maxItems=None)
(Constructor)

implemented

provides