Router

Dispatches requests to registered handlers based on their labels.

Index

Methods

• __call__
• __init__
• default_handler
• handler

Methods

__call__

• async __call__(*, context): None

• Invoke a request handler that matches the request label (or the default).

  ---

  Parameters

  • optionalkeyword-onlycontext: TCrawlingContext

  Returns None

__init__

• __init__(): None

• Returns None

default_handler

• default_handler(*, handler): RequestHandler[TCrawlingContext]

• A decorator used to register a default handler.

  The default handler is invoked for requests that have either no label or a label for which we have no matching handler.

  ---

  Parameters

  • optionalkeyword-onlyhandler: RequestHandler[TCrawlingContext]

  Returns RequestHandler[TCrawlingContext]

handler

• handler(*, label): Callable[[RequestHandler[TCrawlingContext]], None]

• A decorator used to register a label-based handler.

  The registered will be invoked only for requests with the exact same label.

  ---

  Parameters

  • optionalkeyword-onlylabel: str

  Returns Callable[[RequestHandler[TCrawlingContext]], None]