bokeh.server.callbacks#

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

class NextTickCallback(callback: Callable[[], None], *, callback_id: ID)[source]#

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

__init__(callback: Callable[[], None], *, callback_id: ID) → None[source]#
Parameters

  • callback (callable) –

  • id (ID) –

class PeriodicCallback(callback: Callable[[], None], period: int, *, callback_id: ID)[source]#

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

__init__(callback: Callable[[], None], period: int, *, callback_id: ID) → None[source]#
Parameters

  • callback (callable) –

  • period (int) –

  • id (ID) –

property period: int#

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

class SessionCallback(callback: Callable[[], None], *, callback_id: ID)[source]#

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

__init__(callback: Callable[[], None], *, callback_id: ID) → None[source]#
Parameters

  • callback (callable) –

  • id (ID) –

property callback: Callable[[], None]#

The callable that this callback wraps.

property id: ID#

A unique ID for this callback

class TimeoutCallback(callback: Callable[[], None], timeout: int, *, callback_id: ID)[source]#

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

__init__(callback: Callable[[], None], timeout: int, *, callback_id: ID) → None[source]#
Parameters

  • callback (callable) –

  • timeout (int) –

  • id (ID) –

property timeout: int#

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

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