Start and stop recordings of multiple Pupil Capture instances. Pass at least one address to start connecting. Format `<ip>:<port>`. Example `127.0.0.1:50020`

start_stop_recording.py

import argparse
import logging

import zmq

logger = logging.getLogger(__name__)


def main(addresses):
    logger.info(f"Connecting to {addresses}")
    ctx = zmq.Context()
    connections = []
    for addr in addresses:
        requester = ctx.socket(zmq.REQ)
        req_url = f"tcp://{addr}"
        logger.debug(f"Connecting to req_url={req_url}")
        requester.connect(req_url)

        requester.send_string("v")
        version = requester.recv_string()
        logger.info(f"Connected to {addr} (version {version})")

        connections.append(requester)

    input("Press Enter to start recording")
    for req in connections:
        req.send_string("R")
        req.recv_string()

    input("Press Enter to stop recording")
    for req in connections:
        req.send_string("r")
        req.recv_string()


if __name__ == "__main__":
    parser = argparse.ArgumentParser()
    parser.add_argument(
        "address",
        type=str,
        default=["127.0.0.1:50020"],
        nargs="+",
        help=(
            "One or more Pupil Capture instance addresses. "
            "Format <ip>:<port>. Example 127.0.0.1:50020"
        ),
    )
    args = parser.parse_args()

    logging.basicConfig(level=logging.INFO)
    main(args.address)