Connecting to an existing MATLAB COM server from python

Srinath Avadhanula srinathava_news at
Tue Oct 19 06:55:31 CEST 2004


I wanted to connect to an already existing MATLAB application from

>From the MATHWORKS documentation at:

I see that to connect to an already existing MATLAB application, I
have to do the equivalent of the following Visual Basic code:

h = GetObject(, "matlab.application")

      Note    It is important to use the syntax shown above to connect
with an existing MATLAB automation server. Omit the first argument,
and make sure that the second argument reads exactly as shown.

My question is, how do I replicate this from python? I tried the

>>> import win32com.client
>>> o = win32com.client.GetObject(Class='matlab.application')
Traceback (most recent call last):
  File "<interactive input>", line 1, in ?
  File "C:\Program_Files\Python23\Lib\site-packages\win32com\client\",
line 71, in GetObject
    return GetActiveObject(Class, clsctx)
  File "C:\Program_Files\Python23\Lib\site-packages\win32com\client\",
line 80, in GetActiveObject
    dispatch = pythoncom.GetActiveObject(resultCLSID)
com_error: (-2147221021, 'Operation unavailable', None, None)

I tried searching for relevant things in Google, but couldn't find
anything close to this. I also read the docstring of
win32com.client.GetObject, but couldn't figure out the equivalent.

I already know how to start a new MATLAB COM Server. Something like

>>> o = win32com.client.Dispatch('matlab.application')

works fine. But I specifically want to connect to an existing server.


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