Module weakref

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Module weakref

Weak reference support for Python.

This module is an implementation of PEP 205:

http://python.sourceforge.net/peps/pep-0205.html

Classes

ref

CallableProxyType

ProxyType

ReferenceType

WeakValueDictionary
Mapping class that references values weakly.

KeyedRef
Specialized reference that includes a key corresponding to the value.

WeakKeyDictionary
Mapping class that references keys weakly.

Functions

getweakrefcount(object)
return the number of weak references to 'object'.

getweakrefs(object)
return a list of all weak reference objects that point to 'object'.

proxy(object, callback=...)
create a proxy object that weakly references 'object'.

Variables

ProxyTypes = (<type 'weakproxy'>, <type 'weakcallableproxy'>)

Imports: UserDict, ReferenceError

Function Details

proxy(object, callback=...)

create a proxy object that weakly references 'object'. 'callback', if given, is called with a reference to the proxy when 'object' is about to be finalized.