mirror of
https://github.com/onyx-and-iris/nvda-addon-voicemeeter.git
synced 2026-03-20 20:09:11 +00:00
55 lines
1.4 KiB
Python
55 lines
1.4 KiB
Python
import ctypes as ct
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import platform
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from pathlib import Path
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from .error import VMAddonError
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try:
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import winreg
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except ImportError as e:
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ERR_MSG = 'winreg module not found, only Windows OS supported'
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raise VMAddonError(ERR_MSG) from e
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# Defense against edge cases where winreg imports but we're not on Windows
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if platform.system() != 'Windows':
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ERR_MSG = f'Unsupported OS: {platform.system()}, only Windows OS supported'
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raise VMAddonError(ERR_MSG)
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BITS = 64 if ct.sizeof(ct.c_voidp) == 8 else 32
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VM_KEY = 'VB:Voicemeeter {17359A74-1236-5467}'
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REG_KEY = '\\'.join(
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filter(
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None,
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(
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'SOFTWARE',
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'WOW6432Node' if BITS == 64 else '',
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'Microsoft',
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'Windows',
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'CurrentVersion',
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'Uninstall',
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),
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)
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)
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def get_vmpath():
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with winreg.OpenKey(winreg.HKEY_LOCAL_MACHINE, r'{}'.format('\\'.join((REG_KEY, VM_KEY)))) as vm_key:
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return winreg.QueryValueEx(vm_key, r'UninstallString')[0]
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try:
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vm_parent = Path(get_vmpath()).parent
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except FileNotFoundError as e:
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ERR_MSG = 'Voicemeeter installation not found in registry'
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raise VMAddonError(ERR_MSG) from e
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DLL_NAME = f'VoicemeeterRemote{"64" if BITS == 64 else ""}.dll'
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dll_path = vm_parent.joinpath(DLL_NAME)
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if not dll_path.is_file():
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ERR_MSG = f'Could not find {dll_path}'
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raise VMAddonError(ERR_MSG)
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libc = ct.WinDLL(str(dll_path))
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