cubicweb-celerytask #14983709 Handle "progress" of tasks [done]

For instance: http://celery.readthedocs.io/en/latest/userguide/tasks.html#custom-states

def progress(task_id):
    result = celery.result.AsyncResult(task_id)
    if result.state == 'PROGRESS':
        return float(result.meta['current'] / result.meta['total'])
    elif result.ready():
        return 1.
    else:
        return 0.
prioritynormal
typeenhancement
done in<not specified>
load left0.000
closed by#e12a4683cf38 [views] display progress bar
patch[views] display progress bar [applied]