first commit

addon/globalPlugins/voicemeeter/binds.py

@@ -0,0 +1,51 @@
+import ctypes as ct
+import winreg
+from pathlib import Path
+
+from .error import VMError
+
+
+class Binds:
+    VM_KEY = "VB:Voicemeeter {17359A74-1236-5467}"
+    BITS = 64 if ct.sizeof(ct.c_voidp) == 8 else 32
+
+    def __init__(self):
+        dll_path = Path(self.__vmpath()).parent.joinpath(
+            f'VoicemeeterRemote{"64" if self.BITS == 64 else ""}.dll'
+        )
+        if self.BITS == 64:
+            self.libc = ct.CDLL(str(dll_path))
+        else:
+            self.libc = ct.WinDLL(str(dll_path))
+
+    def __vmpath(self):
+        with winreg.OpenKey(
+            winreg.HKEY_LOCAL_MACHINE,
+            r"{}".format(
+                "\\".join(
+                    (
+                        "\\".join(
+                            filter(
+                                None,
+                                (
+                                    "SOFTWARE",
+                                    "WOW6432Node" if self.BITS == 64 else "",
+                                    "Microsoft",
+                                    "Windows",
+                                    "CurrentVersion",
+                                    "Uninstall",
+                                ),
+                            )
+                        ),
+                        self.VM_KEY,
+                    )
+                )
+            ),
+        ) as vm_key:
+            return winreg.QueryValueEx(vm_key, r"UninstallString")[0]
+
+    def call(self, fn, *args, ok=(0,)):
+        retval = getattr(self.libc, fn)(*args)
+        if retval not in ok:
+            raise VMError(f"{fn} returned {retval}")
+        return retval