def mark_children_as_incomplete(graph, task):
children = tgraph.get_all_children(graph, task)
if not children:
return graph
log(graph).info('pid {}: marking children {} of failed task {}'.format(
os.getpid(), children, task))
msg = 'Ancestor task {} failed; task not run'.format(task)
for child in children:
graph.results[child] = msg
tgraph.mark_as_done(graph, child)
return graph
def task_error(graph, task, error):
tb = traceback.format_exc()
msg = 'pid {}: failed task {}: stack {}'.format(os.getpid(), task, tb)
log(graph).exception(msg, {'exc_info': error})
graph.results[task] = error
graph = tgraph.mark_as_done(graph, task)
return mark_children_as_incomplete(graph, task)
def task_success(graph, task, result):
log(graph).info('pid {}: finished task {}'.format(os.getpid(), task))
graph.results[task] = result
return tgraph.mark_as_done(graph, task)
def task_error(graph, task, error):
msg = 'pid {}: failed task {}'.format(os.getpid(), task)
logger.exception(msg, {'exc_info': error})
graph.results[task] = error
graph = tgraph.mark_as_done(graph, task)
return mark_children_as_incomplete(graph, task)