98 lines
2.2 KiB
Python
98 lines
2.2 KiB
Python
"""
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Sound library.
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"""
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from platform import system
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import typing
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import pyglet
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from pathlib import Path
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class Sound:
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def __init__(self, file_name: str):
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if not Path(file_name).is_file():
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raise FileNotFoundError(f"The sound file '{file_name}' is not a file or can't be read")
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self.file_name = file_name
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self.player = pyglet.media.load(file_name)
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def play(self):
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if self.player.is_queued:
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player = pyglet.media.load(self.file_name)
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player.play()
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else:
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self.player.play()
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class PlaysoundException(Exception):
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pass
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def _load_sound_library():
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"""
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Special code for Windows so we grab the proper avbin from our directory.
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Otherwise hope the correct package is installed.
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"""
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# lazy loading
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if not _load_sound_library._sound_library_loaded:
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_load_sound_library._sound_library_loaded = True
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else:
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return
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import pyglet_ffmpeg2
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pyglet_ffmpeg2.load_ffmpeg()
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# Initialize static function variable
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_load_sound_library._sound_library_loaded = False
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def load_sound(file_name: str):
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"""
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Load a sound. Support for .wav files. If ffmpeg is available, will work
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with ogg and mp3 as well.
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:param str file_name: Name of the sound file to load.
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:returns: Sound object
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:rtype: Sound
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"""
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try:
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sound = Sound(file_name)
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return sound
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except Exception as e:
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print("Unable to load {str}.", e)
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return None
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def play_sound(sound: Sound):
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"""
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Play a sound.
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:param Sound sound: Sound loaded by load_sound. Do NOT use a string here for the filename.
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"""
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if sound is None:
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print("Unable to play sound, no data passed in.")
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elif isinstance(sound, str):
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msg = "Error, passed in a string as a sound. " +\
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"Make sure to use load_sound first, and use that result in play_sound."
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raise Exception(msg)
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try:
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sound.play()
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except Exception as e:
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print("Error playing sound.", e)
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def stop_sound(sound: pyglet.media.Source):
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"""
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Stop a sound that is currently playing.
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:param sound:
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"""
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sound.pause()
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_load_sound_library()
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