#!/usr/bin/env python3 ''' Basic HID-IO Python Client Example ''' # Copyright (C) 2019-2020 Jacob Alexander # # Permission is hereby granted, free of charge, to any person obtaining a copy # of this software and associated documentation files (the "Software"), to deal # in the Software without restriction, including without limitation the rights # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell # copies of the Software, and to permit persons to whom the Software is # furnished to do so, subject to the following conditions: # # The above copyright notice and this permission notice shall be included in # all copies or substantial portions of the Software. # # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN # THE SOFTWARE. import argparse import asyncio import logging import os import sys import time sys.path.insert(0, os.path.join(os.path.dirname(__file__), '..')) import hidiocore.client # noqa logging.basicConfig(level=logging.DEBUG) logger = logging.getLogger(__name__) class MyHidIoClient(hidiocore.client.HidIoClient): async def on_connect(self, cap, cap_auth): logger.info("Connected!") print("Connected API Call", await cap.alive().a_wait()) async def on_disconnect(self): logger.info("Disconnected!") async def main(args): client = MyHidIoClient('Python unicode text example') # Connect the client to the server using a background task # This will automatically reconnect _tasks = [ # noqa: F841 asyncio.gather( *[client.connect(auth=hidiocore.client.HidIoClient.AUTH_BASIC)], return_exceptions=True ) ] while client.retry_connection_status(): if client.capability_hidioserver(): try: # Get list of nodes nodes = (await asyncio.wait_for( client.nodes(), timeout=2.0 )).nodes # Match on HidioDaemon node nodes = [n for n in nodes if n.type == 'hidioDaemon'] assert len(nodes) == 1, "There can be only one! ...hidioDaemon" # Print unicode text, these messages will be sent sequentially # HID-IO enforces strict queuing of displayserver access so you won't get text sequence overlaps values = await asyncio.gather( nodes[0].node.daemon.unicodeString("☃ Myyy text! 💣💣💩💩🔥🔥").a_wait(), nodes[0].node.daemon.unicodeString(" some more text 💣💩🔥").a_wait(), nodes[0].node.daemon.unicodeString(" and some more text 🔥").a_wait(), nodes[0].node.daemon.unicodeString("abc").a_wait(), nodes[0].node.daemon.unicodeString("2abc1").a_wait(), ) print(values) # Press a "snowman" key, hold for 1 second (to see repeat rate), then release await nodes[0].node.daemon.unicodeKeys("☃").a_wait(), time.sleep(1) await nodes[0].node.daemon.unicodeKeys("").a_wait(), return except asyncio.TimeoutError: logger.info("Timeout, trying again.") continue await asyncio.sleep(1) parser = argparse.ArgumentParser(description='Unicode text output example for HID-IO') args = parser.parse_args() try: loop = asyncio.get_event_loop() loop.run_until_complete(main(args)) except KeyboardInterrupt: logger.warning("Ctrl+C detected, exiting...") sys.exit(1)