Klipper Aplay Extra

aplay.py

# Play a sound from gcode
#
# Copyright (C) 2023 Al Williams
# 
#
# This file may be distributed under the terms of the GNU GPLv3 license.
import os
import shlex
import subprocess
import logging

class AplayCommand:
    def __init__(self, config):
        self.name = config.get_name().split()[-1]    # get our name
        self.printer = config.get_printer()
        self.gcode = self.printer.lookup_object('gcode')   # get wave and path
        wav = config.get('wave')
        path = config.get('path',None)
        if path!=None:
            wav = "aplay "+path+'/'+wav
        else:
            wav = "aplay " + wav
        self.wav = shlex.split(wav)   # build command line
        self.gcode.register_mux_command(   # register new command for gcode_macro
            "APLAY", "SOUND", self.name,
            self.cmd_APLAY_COMMAND,        # worker for new command
            desc=self.cmd_APLAY_COMMAND_help)  # help text


    cmd_APLAY_COMMAND_help = "Play a sound"

    def cmd_APLAY_COMMAND(self, params):
        try:
            proc = subprocess.run(self.wav)   # run aplay
        except Exception:
            logging.exception(
                "aplay:  Wave {%s} failed" % (self.name))
            raise self.gcode.error("Error playing {%s}" % (self.name))


# main entry point
def load_config_prefix(config):
    return AplayCommand(config)