Exscript.util.weakmethod module

Weak references to bound and unbound methods.

exception Exscript.util.weakmethod.DeadMethodCalled

Bases: exceptions.Exception

Raised by WeakMethod if it is called when the referenced object is already dead.

class Exscript.util.weakmethod.WeakMethod(name, callback)

Bases: future.types.newobject.newobject

Do not create this class directly; use ref() instead.

__init__(name, callback)

Constructor. Do not use directly, use ref() instead.

callback

get_function()

Returns the referenced method/function if it is still alive. Returns None otherwise.

Return type:callable|None Returns:The referenced function if it is still alive.

isalive()

Returns True if the referenced function is still alive, False otherwise.

Return type:bool Returns:Whether the referenced function is still alive.

name

Exscript.util.weakmethod.ref(function, callback=None)

Returns a weak reference to the given method or function. If the callback argument is not None, it is called as soon as the referenced function is garbage deleted.

Parameters:

• function (callable) – The function to reference.
• callback (callable) – Called when the function dies.