python_cqrs_dispatcher.registry

Handler registry helpers for bulk and auto registration.

Functions

register_handlers(→ None)	Bulk register command and query handlers.
auto_register_handlers(→ None)	Auto-discover and register handlers from module.

Module Contents

python_cqrs_dispatcher.registry.register_handlers(dispatcher: python_cqrs_dispatcher.dispatcher.CQRSDispatcher, handlers: List[Tuple[Type, Any]]) → None

Bulk register command and query handlers.

Args:

dispatcher: CQRSDispatcher instance handlers: List of (request_type, handler) tuples

Raises:

ValueError: If request type is neither command nor query

Example:

>>> handlers = [
...     (CreateUserCommand, CreateUserHandler()),
...     (GetUserQuery, GetUserHandler()),
... ]
>>> register_handlers(dispatcher, handlers)

python_cqrs_dispatcher.registry.auto_register_handlers(dispatcher: python_cqrs_dispatcher.dispatcher.CQRSDispatcher, module) → None

Auto-discover and register handlers from module.

Scans module for handler classes and registers them automatically. Handlers must implement ICommandHandler or IQueryHandler.

Args:

dispatcher: CQRSDispatcher instance module: Python module to scan

Example:

>>> import my_app.handlers as handlers_module
>>> auto_register_handlers(dispatcher, handlers_module)