57 lines
1.8 KiB
Python
57 lines
1.8 KiB
Python
from typing import Any, Dict, List, Optional
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import sounddevice as sd
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from helpers.os_environment import isLinux, isMacOS, isWindows
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import glob
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class DeviceManager():
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@classmethod
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def _isOutput(cls, device:Dict[str,Any]) -> bool:
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return device["max_output_channels"] > 0
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@classmethod
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def _getAudioDevices(cls) -> sd.DeviceList:
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# To update the list of devices
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# Sadly this doesn't work on MacOS.
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if not isMacOS():
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sd._terminate()
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sd._initialize()
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devices: sd.DeviceList = sd.query_devices()
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return devices
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@classmethod
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def getAudioOutputs(cls) -> List[Dict]:
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outputs: List[Dict] = list(filter(cls._isOutput, cls._getAudioDevices()))
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outputs = sorted(outputs, key=lambda k: k['name'])
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return [{"name": None}] + outputs
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@classmethod
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def getSerialPorts(cls) -> List[Optional[str]]:
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""" Lists serial port names
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:raises EnvironmentError:
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On unsupported or unknown platforms
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:returns:
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A list of the serial ports available on the system
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"""
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# TODO: Get list of COM ports properly. (Can't use )
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if isWindows():
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ports = ['COM%s' % (i + 1) for i in range(8)]
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elif isLinux():
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# this excludes your current terminal "/dev/tty"
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ports = glob.glob('/dev/tty[A-Za-z]*')
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elif isMacOS():
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ports = glob.glob('/dev/tty.*')
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else:
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raise EnvironmentError('Unsupported platform')
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valid: List[str] = ports
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result: List[Optional[str]] = []
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if len(valid) > 0:
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valid.sort()
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result.append(None) # Add the None option
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result.extend(valid)
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return result
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