bokeh.server.contexts

Provides the Application, Server, and Session context classes.

class ApplicationContext(application: Application, io_loop: IOLoop | None = None, url: str | None = None, logout_url: str | None = None)

Server-side holder for bokeh.application.Application plus any associated data.

This holds data that’s global to all sessions, while ServerSession holds data specific to an “instance” of the application.

Public Data Attributes:

io_loop
application
url
server_context
sessions

Public Methods:

__init__(application[, io_loop, url, logout_url])
run_load_hook()
run_unload_hook()
create_session_if_needed(session_id[, ...])
get_session(session_id)

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class BokehServerContext(application_context: bokeh.server.contexts.ApplicationContext)

property sessions: List[bokeh.server.session.ServerSession]

SessionContext instances belonging to this application.

Subclasses must implement this method.

class BokehSessionContext(session_id: ID, server_context: ServerContext, document: Document, logout_url: str | None = None)

async with_locked_document(func: Callable[[bokeh.document.document.Document], Awaitable[None]]) → None

Runs a function with the document lock held, passing the document to the function.

Subclasses must implement this method.

Parameters

func (callable) – function that takes a single parameter (the Document) and returns None or a Future

Returns

a Future containing the result of the function

property destroyed: bool

If True, the session has been discarded and cannot be used.

A new session with the same ID could be created later but this instance will not come back to life.

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