ContextDependency¶

class gafaelfawr.dependencies.context.ContextDependency¶

Bases: object

Provide a per-request context as a FastAPI dependency.

Each request gets a RequestContext. To save overhead, the portions of the context that are shared by all requests are collected into the single process-global ProcessContext and reused with each request.

Attributes Summary

process_context

The underlying process context, primarily for use in tests.

Methods Summary

`__call__`(*, request, session, logger)	Create a per-request context and return it.
`aclose`()	Clean up the per-process configuration.
`initialize`(config, event_manager)	Initialize the process-wide shared context.

Attributes Documentation

process_context¶: The underlying process context, primarily for use in tests.

Methods Documentation

async __call__(*, request, session, logger)¶

Create a per-request context and return it.

Parameters:

request (Request)
session (async_scoped_session)
logger (BoundLogger)

Return type:

RequestContext

async aclose()¶

Clean up the per-process configuration.

This also invalidates the events publishers until initialize is called again.

Return type:: None

async initialize(config, event_manager)¶

Initialize the process-wide shared context.

Parameters:

config (Config) – Gafaelfawr configuration.
event_manager (EventManager) – Global event manager.

Return type:

None