bokeh.server.callbacks¶

Provide classes to represent callback code that can be associate with Bokeh Documents and Sessions.

class NextTickCallback(document, callback, id=None)[source]¶

Represent a callback to execute on the next IOLoop “tick”.

__init__(document, callback, id=None)[source]¶

Parameters:	document (Document) – callback (callable) – id (str, optional) –

class PeriodicCallback(document, callback, period, id=None)[source]¶

Represent a callback to execute periodically on the IOLoop at a specified periodic time interval.

__init__(document, callback, period, id=None)[source]¶

Parameters:	document (Document) – callback (callable) – period (int) – id (str, optional) –

period¶

The period time (in milliseconds) that this callback should repeat execution at.

class SessionCallback(document, callback, id=None)[source]¶

A base class for callback objects associated with Bokeh Documents and Sessions.

__init__(document, callback, id=None)[source]¶

Parameters:	document (Document) – callback (callable) – id (str, optional) –

callback¶

The callable that this callback wraps.

id¶

A unique ID for this callback

class TimeoutCallback(document, callback, timeout, id=None)[source]¶

Represent a callback to execute once on the IOLoop after a specified time interval passes.

__init__(document, callback, timeout, id=None)[source]¶

Parameters:	document (Document) – callback (callable) – timeout (int) – id (str, optional) –

timeout¶

The timeout (in milliseconds) that the callback should run after.