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"""
Example that shows how the DashCast controller can be used.
"""
# pylint: disable=invalid-name
import argparse
import sys
import time
import threading
import pychromecast
from pychromecast.controllers import dashcast
from .common import add_log_arguments, configure_logging
# Enable deprecation warnings etc.
if not sys.warnoptions:
import warnings
warnings.simplefilter("default")
# Change to the friendly name of your Chromecast
CAST_NAME = "Living Room"
parser = argparse.ArgumentParser(
description="Example that shows how the DashCast controller can be used."
)
parser.add_argument(
"--cast", help='Name of cast device (default: "%(default)s")', default=CAST_NAME
)
parser.add_argument(
"--known-host",
help="Add known host (IP), can be used multiple times",
action="append",
)
add_log_arguments(parser)
args = parser.parse_args()
configure_logging(args)
chromecasts, browser = pychromecast.get_listed_chromecasts(
friendly_names=[args.cast], known_hosts=args.known_host
)
if not chromecasts:
print(f'No chromecast with name "{args.cast}" discovered')
sys.exit(1)
cast = chromecasts[0]
# Start socket client's worker thread and wait for initial status update
cast.wait()
d = dashcast.DashCastController()
cast.register_handler(d)
print()
print(cast.cast_info)
time.sleep(1)
print()
print(cast.status)
print()
print(cast.media_controller.status)
print()
if not cast.is_idle:
print("Killing current running app")
cast.quit_app()
t = 5.0
while cast.status.app_id is not None and t > 0: # type: ignore[union-attr]
time.sleep(0.1)
t = t - 0.1
time.sleep(1)
requests_handled = threading.Event()
def _first_request_handled(msg_sent: bool, _response: dict | None) -> None:
"""Request to load first URL handled, load the second URL."""
if not msg_sent:
print("Failed to load first URL")
print("Loaded 1st URL, loading 2nd URL")
d.load_url("https://home-assistant.io/", callback_function=_second_request_handled)
def _second_request_handled(msg_sent: bool, _response: dict | None) -> None:
"""Request to load second URL handled."""
if not msg_sent:
print("Failed to load second URL")
print("Loaded 2nd URL")
requests_handled.set()
# Test that the callback chain works. This should send a message to
# load the first url, but immediately after send a message load the
# second url.
warning_message = "If you see this on your TV then something is broken"
print("Loading 1st URL")
d.load_url(
"https://home-assistant.io/? " + warning_message,
callback_function=_second_request_handled,
)
print("Waiting for callbacks")
requests_handled.wait()
# If debugging, sleep after running so we can see any error messages.
if args.show_debug:
time.sleep(10)
# Shut down discovery
browser.stop_discovery()
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