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.venv/Lib/site-packages/win32com/servers/perfmon.py

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+"""A COM Server which exposes the NT Performance monitor in a very rudimentary way
+
+Usage from VB:
+	set ob = CreateObject("Python.PerfmonQuery")
+	freeBytes = ob.Query("Memory", "Available Bytes")
+"""
+from win32com.server import exception, register
+import pythoncom, win32pdhutil, winerror
+
+
+class PerfMonQuery:
+    _reg_verprogid_ = "Python.PerfmonQuery.1"
+    _reg_progid_ = "Python.PerfmonQuery"
+    _reg_desc_ = "Python Performance Monitor query object"
+    _reg_clsid_ = "{64cef7a0-8ece-11d1-a65a-00aa00125a98}"
+    _reg_class_spec_ = "win32com.servers.perfmon.PerfMonQuery"
+    _public_methods_ = ["Query"]
+
+    def Query(self, object, counter, instance=None, machine=None):
+        try:
+            return win32pdhutil.GetPerformanceAttributes(
+                object, counter, instance, machine=machine
+            )
+        except win32pdhutil.error as exc:
+            raise exception.Exception(desc=exc.strerror)
+        except TypeError as desc:
+            raise exception.Exception(desc=desc, scode=winerror.DISP_E_TYPEMISMATCH)
+
+
+if __name__ == "__main__":
+    print("Registering COM server...")
+    register.UseCommandLine(PerfMonQuery)