Class group

huey/api.py:1152–1165

class group(object):
    def __init__(self, tasks):
        self.tasks = tasks

    def then(self, task, *args, **kwargs):
        if not isinstance(task, Task):
            task = task.s(*args, **kwargs)
        return chord(self.tasks, task)

    def error(self, *args, **kwargs):
        # Apply error handler to all tasks.
        for task in self.tasks:
            task.error(*args, **kwargs)
        return self


class chord(object):