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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)
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