nat.middleware.logging.logging_middleware

Attributes

logger

Classes

LoggingMiddleware

Middleware that logs intercepted function inputs/outputs.

Module Contents

logger

class LoggingMiddleware(

config: nat.middleware.logging.logging_middleware_config.LoggingMiddlewareConfig,

builder: nat.builder.builder.Builder,

)

Bases: nat.middleware.dynamic.dynamic_function_middleware.DynamicFunctionMiddleware

Middleware that logs intercepted function inputs/outputs.

This middleware extends DynamicFunctionMiddleware to get automatic chain orchestration and dynamic discovery features. Custom logic is implemented through the pre_invoke and post_invoke hooks.

Initialize logging middleware.

Args:

config: Logging middleware configuration builder: Workflow builder

_config: nat.middleware.logging.logging_middleware_config.LoggingMiddlewareConfig

async pre_invoke(

context: nat.middleware.middleware.InvocationContext,

) → nat.middleware.middleware.InvocationContext | None

Log inputs before function execution.

Returns:

None to pass through unchanged (logging only, no modification)

async post_invoke(

context: nat.middleware.middleware.InvocationContext,

) → nat.middleware.middleware.InvocationContext | None

Log outputs after function execution.

Returns:

None to pass through unchanged (logging only, no modification)