class woob.core.bcall.BackendsCall(backends, function, *args, **kwargs)

Bases: object

  • backends (list[Module]) – List of backends to call

  • function (str or callable) – backends’ method name, or callable object.

backend_process(function, args, kwargs)

Internal method to run a method of a backend.

As this method may be blocking, it should be run on its own thread.

callback_thread(callback, errback=None, finishback=None)

Call this method to create a thread which will callback a specified function everytimes a new result comes.

When the process is over, the function will be called with both arguments set to None.

The functions prototypes:

def callback(result) def errback(backend, error, backtrace) def finishback()


Stop all tasks.


wait (bool) – If True, wait until all tasks stopped.

store_result(backend, result)

Store the result when a backend task finished.


Wait until all tasks are finished.

exception woob.core.bcall.CallErrors(errors)

Bases: Exception