Files
pycapnp/examples/thread_client.py
Jacob Alexander 6e7fffd7de Applying black formatting
- Fixing flake8 configuration to agree with black
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2021-10-01 11:12:21 -07:00

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Python
Executable File

#!/usr/bin/env python3
import argparse
import threading
import time
import capnp
import thread_capnp
capnp.remove_event_loop()
capnp.create_event_loop(threaded=True)
def parse_args():
parser = argparse.ArgumentParser(
usage="Connects to the Example thread server \
at the given address and does some RPCs"
)
parser.add_argument("host", help="HOST:PORT")
return parser.parse_args()
class StatusSubscriber(thread_capnp.Example.StatusSubscriber.Server):
"""An implementation of the StatusSubscriber interface"""
def status(self, value, **kwargs):
print("status: {}".format(time.time()))
def start_status_thread(host):
client = capnp.TwoPartyClient(host)
cap = client.bootstrap().cast_as(thread_capnp.Example)
subscriber = StatusSubscriber()
promise = cap.subscribeStatus(subscriber)
promise.wait()
def main(host):
client = capnp.TwoPartyClient(host)
cap = client.bootstrap().cast_as(thread_capnp.Example)
status_thread = threading.Thread(target=start_status_thread, args=(host,))
status_thread.daemon = True
status_thread.start()
print("main: {}".format(time.time()))
cap.longRunning().wait()
print("main: {}".format(time.time()))
cap.longRunning().wait()
print("main: {}".format(time.time()))
cap.longRunning().wait()
print("main: {}".format(time.time()))
if __name__ == "__main__":
main(parse_args().host)