def execute_all_tasks(taskqueue, queue='default', handlers_map=None):
 tasks = taskqueue.GetTasks(queue)
 taskqueue.FlushQueue(queue)
 task_run_counts = collections.defaultdict((lambda : 0))
 for task in tasks:
  retries = 0
  while True:
   try:
    handler = execute_task(task, retries, handlers_map=handlers_map)
    task_run_counts[handler.__class__] += 1
    break
   except:
    retries += 1
    if (retries > 100):
     logging.debug('Task %s failed for too many times. Giving up.', task['name'])
     raise
    logging.debug('Task %s is being retried for the %s time', task['name'], retries)
 return task_run_counts

def execute_all_tasks ( taskqueue , queue = 'default' , handlers_map = None ) : tasks = taskqueue . GetTasks ( queue ) taskqueue . FlushQueue ( queue ) task_run_counts = collections . defaultdict ( ( lambda : 0 ) ) for task in tasks : retries = 0 while True : try : handler = execute_task ( task , retries , handlers_map = handlers_map ) task_run_counts [ handler . __class__ ] += 1 break except : retries += 1 if ( retries > 100 ) : logging . debug ( 'Task %s failed for too many times. Giving up.' , task [ 'name' ] ) raise logging . debug ( 'Task %s is being retried for the %s time' , task [ 'name' ] , retries ) return task_run_counts
run and remove all tasks in the taskqueue .