def main():
with kiwipy.connect(
'amqp://127.0.0.1') as communicator, tempfile.TemporaryDirectory(
) as tmpdir:
loop = asyncio.get_event_loop()
persister = plumpy.PicklePersister(tmpdir)
task_receiver = plumpy.ProcessLauncher(loop=loop, persister=persister)
def callback(*args, **kwargs):
fut = plumpy.create_task(functools.partial(task_receiver, *args,
**kwargs),
loop=loop)
return fut
communicator.add_task_subscriber(callback)
process_controller = plumpy.RemoteProcessThreadController(communicator)
future = process_controller.launch_process(DummyProcessWithOutput)
async def task():
result = await asyncio.wrap_future(future.result())
print(result)
loop.run_until_complete(task())
import kiwipy
import sys
message = ' '.join(sys.argv[1:]) or 'Hello World!'
with kiwipy.connect('amqp://localhost') as comm:
queue = comm.task_queue('task_queue') # Durable by default
queue.task_send(message)
print(f' [x] Sent {message!r}')
import kiwipy
def fib(_comm, num):
if num == 0:
return 0
if num == 1:
return 1
return fib(_comm, num - 1) + fib(_comm, num - 2)
def fac(_comm, num):
result = 1
if num > 1:
result = num * fac(_comm, num - 1)
return result
if __name__ == '__main__':
try:
with kiwipy.connect('amqp://127.0.0.1') as comm:
# Register an RPC subscriber with the name 'fib'
comm.add_rpc_subscriber(fib, 'fib')
# Register an RPC subscriber with the name 'fac'
comm.add_rpc_subscriber(fac, 'fac')
# Now wait indefinitely for fibonacci calls
threading.Event().wait()
except KeyboardInterrupt:
pass
def comm(connection_params): # pylint: disable=redefined-outer-name
encoder = functools.partial(msgpack.packb, use_bin_type=True)
decoder = functools.partial(msgpack.unpackb, raw=False)
with kiwipy.connect(connection_params['url'], encoder=encoder, decoder=decoder) as communicator:
yield communicator
# -*- coding: utf-8 -*-
import time
import threading
import kiwipy
print(' [*] Waiting for messages. To exit press CTRL+C')
def callback(_comm, task):
print(f' [x] Received {task!r}')
time.sleep(task.count('.'))
print(' [x] Done')
return task
with kiwipy.connect('amqp://127.0.0.1/') as communicator:
communicator.add_task_subscriber(callback)
try:
threading.Event().wait()
except KeyboardInterrupt:
pass