Timer

This class provides a timer implementation that uses greenlets to schedule and execute tasks at specific times. It supports spawning delayed operations, managing a queue of active tasks, and clearing all pending executions. The class integrates with gevent's event loop to handle task lifecycle and cancellation.

Attributes

Attribute	Type	Description
_Greenlet	class	A local Greenlet subclass that aliases the kill method to cancel for managing scheduled tasks.
_GreenletExit	exception	The exception class used to signal the termination of a greenlet task.
_queue	set = set()	A set containing the currently active greenlet instances scheduled by the timer.
queue	set	Provides access to the internal set of scheduled greenlet tasks.

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Constructor

Signature

def Timer(
    *args: any,
    **kwargs: any
) - > null

Parameters

Name	Type	Description
*args	any	Variable length argument list passed to the parent class constructor.
**kwargs	any	Arbitrary keyword arguments passed to the parent class constructor.

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Methods

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clear()

@classmethod
def clear() - > null

Cancels all currently scheduled tasks and empties the timer queue. This method iterates through all active greenlets and kills them immediately.

Returns

Type	Description
null

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queue()

@classmethod
def queue() - > set

Provides access to the set of currently scheduled task greenlets. This property allows callers to inspect the active tasks managed by the timer.

Returns

Type	Description
set	A set containing the active greenlet objects currently in the queue.

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