pyzmq/examples/chat/display.py

45 lines
1.3 KiB
Python

"""The display part of a simply two process chat app."""
#
# Copyright (c) 2010 Andrew Gwozdziewycz
#
# This file is part of pyzmq.
#
# pyzmq is free software; you can redistribute it and/or modify it under
# the terms of the Lesser GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# pyzmq is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# Lesser GNU General Public License for more details.
#
# You should have received a copy of the Lesser GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
from typing import List
import zmq
def main(addrs: List[str]):
context = zmq.Context()
socket = context.socket(zmq.SUB)
socket.setsockopt(zmq.SUBSCRIBE, "")
for addr in addrs:
print("Connecting to: ", addr)
socket.connect(addr)
while True:
msg = socket.recv_pyobj()
print(f"{msg[1]}: {msg[0]}")
if __name__ == '__main__':
import sys
if len(sys.argv) < 2:
print("usage: display.py <address> [,<address>...]")
raise SystemExit
main(sys.argv[1:])