def work_once(condor_id, req_socket, task):
"""Request and/or complete a single unit of work."""
# get an assignment
if task is None:
cargo.send_pyobj_gz(
req_socket,
cargo.labor2.ApplyMessage(condor_id),
)
task = cargo.recv_pyobj_gz(req_socket)
if task is None:
logger.info("received null assignment; terminating")
return None
# complete the assignment
try:
cargo.labor2._current_task = task
logger.info("starting work on task %s", task.key)
result = task()
except KeyboardInterrupt, error:
logger.warning("interruption during task %s", task.key)
cargo.send_pyobj_gz(
req_socket,
cargo.labor2.InterruptedMessage(condor_id, task.key),
)
req_socket.recv()
def work_once(condor_id, req_socket, task):
"""Request and/or complete a single unit of work."""
# get an assignment
if task is None:
cargo.send_pyobj_gz(
req_socket,
cargo.labor2.ApplyMessage(condor_id),
)
task = cargo.recv_pyobj_gz(req_socket)
if task is None:
logger.info("received null assignment; terminating")
return None
# complete the assignment
try:
cargo.labor2._current_task = task
logger.info("starting work on task %s", task.key)
result = task()
except KeyboardInterrupt, error:
logger.warning("interruption during task %s", task.key)
cargo.send_pyobj_gz(
req_socket,
cargo.labor2.InterruptedMessage(condor_id, task.key),
)
req_socket.recv()
def work_once(condor_id, req_socket, task):
"""Request and/or complete a single unit of work."""
# get an assignment
if task is None:
cargo.send_pyobj_gz(req_socket, cargo.labor2.ApplyMessage(condor_id))
task = cargo.recv_pyobj_gz(req_socket)
if task is None:
logger.info("received null assignment; terminating")
return None
# complete the assignment
try:
seed = abs(hash(task.key))
logger.info("setting PRNG seed to %s", seed)
numpy.random.seed(seed)
random.seed(numpy.random.randint(2 ** 32))
logger.info("starting work on task %s", task.key)
result = task()
except KeyboardInterrupt, error:
logger.warning("interruption during task %s", task.key)
cargo.send_pyobj_gz(req_socket, cargo.labor2.InterruptedMessage(condor_id, task.key))
req_socket.recv()
except KeyboardInterrupt, error:
logger.warning("interruption during task %s", task.key)
cargo.send_pyobj_gz(
req_socket,
cargo.labor2.InterruptedMessage(condor_id, task.key),
)
req_socket.recv()
except BaseException, error:
description = traceback.format_exc(error)
logger.warning("error during task %s:\n%s", task.key, description)
cargo.send_pyobj_gz(
req_socket,
cargo.labor2.ErrorMessage(condor_id, task.key, description),
)
req_socket.recv()
else:
logger.info("finished task %s", task.key)
cargo.send_pyobj_gz(
req_socket,
cargo.labor2.DoneMessage(condor_id, task.key, result),
)
return cargo.recv_pyobj_gz(req_socket)
cargo.labor2._current_task = None
except KeyboardInterrupt, error:
logger.warning("interruption during task %s", task.key)
cargo.send_pyobj_gz(
req_socket,
cargo.labor2.InterruptedMessage(condor_id, task.key),
)
req_socket.recv()
except BaseException, error:
description = traceback.format_exc(error)
logger.warning("error during task %s:\n%s", task.key, description)
cargo.send_pyobj_gz(
req_socket,
cargo.labor2.ErrorMessage(condor_id, task.key, description),
)
req_socket.recv()
else:
logger.info("finished task %s", task.key)
cargo.send_pyobj_gz(
req_socket,
cargo.labor2.DoneMessage(condor_id, task.key, result),
)
return cargo.recv_pyobj_gz(req_socket)
cargo.labor2._current_task = None