def build_task_descriptor(cls,
task_descriptor,
parent_task_record,
args,
n_outputs,
is_tail_spawn=False,
handler_name=None):
# This is needed to work around the fact that stdinout has its own implementation of build_task_descriptor, so
# we can't rely using cls.handler_name to find the actual executor.
if handler_name is None:
handler_name = cls.handler_name
if is_tail_spawn and len(
task_descriptor["expected_outputs"]) != n_outputs:
raise BlameUserException(
"SimpleExecutor being built with delegated outputs %s but n_outputs=%d"
% (task_descriptor["expected_outputs"], n_outputs))
# Throw early if the args are bad
cls.check_args_valid(args, n_outputs)
# Discover required ref IDs for this executor
reqd_refs = cls.get_required_refs(args)
task_descriptor["dependencies"].extend(reqd_refs)
sha = hashlib.sha1()
hash_update_with_structure(sha, [args, n_outputs])
name_prefix = "%s:%s:" % (handler_name, sha.hexdigest())
# Name our outputs
if not is_tail_spawn:
task_descriptor["expected_outputs"] = [
"%s%d" % (name_prefix, i) for i in range(n_outputs)
]
# Add the args dict
args_name = "%ssimple_exec_args" % name_prefix
args_ref = ref_from_object(args, "pickle", args_name)
parent_task_record.publish_ref(args_ref)
task_descriptor["dependencies"].append(args_ref)
task_descriptor["task_private"]["simple_exec_args"] = args_ref
BaseExecutor.build_task_descriptor(task_descriptor, parent_task_record)
if is_tail_spawn:
return None
else:
return [
SW2_FutureReference(x)
for x in task_descriptor["expected_outputs"]
]
def build_task_descriptor(cls, task_descriptor, parent_task_record, args, n_outputs, is_tail_spawn=False, handler_name=None):
# This is needed to work around the fact that stdinout has its own implementation of build_task_descriptor, so
# we can't rely using cls.handler_name to find the actual executor.
if handler_name is None:
handler_name = cls.handler_name
if is_tail_spawn and len(task_descriptor["expected_outputs"]) != n_outputs:
raise BlameUserException("SimpleExecutor being built with delegated outputs %s but n_outputs=%d" % (task_descriptor["expected_outputs"], n_outputs))
# Throw early if the args are bad
cls.check_args_valid(args, n_outputs)
# Discover required ref IDs for this executor
reqd_refs = cls.get_required_refs(args)
task_descriptor["dependencies"].extend(reqd_refs)
sha = hashlib.sha1()
hash_update_with_structure(sha, [args, n_outputs])
name_prefix = "%s:%s:" % (handler_name, sha.hexdigest())
# Name our outputs
if not is_tail_spawn:
task_descriptor["expected_outputs"] = ["%s%d" % (name_prefix, i) for i in range(n_outputs)]
# Add the args dict
args_name = "%ssimple_exec_args" % name_prefix
args_ref = ref_from_object(args, "pickle", args_name)
parent_task_record.publish_ref(args_ref)
task_descriptor["dependencies"].append(args_ref)
task_descriptor["task_private"]["simple_exec_args"] = args_ref
BaseExecutor.build_task_descriptor(task_descriptor, parent_task_record)
if is_tail_spawn:
return None
else:
return [SW2_FutureReference(x) for x in task_descriptor["expected_outputs"]]
