PyWin32 using MakePy utility and win32com to get Network Statistics

Question

This question is in continuation to my previous question.

I am trying to get Network Statistics for my Windows 7 system using PyWin32.

The steps I followed:

1) Run COM MakePy utility and than select network list manager 1.0 type library under type library.

2) Above process generated this python file.

Next I created the object of class NetworkListManager(CoClassBaseClass) using

import win32com.client as wc
obj = wc.Dispatch("{DCB00C01-570F-4A9B-8D69-199FDBA5723B}")

Now I am trying to access the methods provided by the above created object obj.

help(obj) gave me

GetNetwork(self, gdNetworkId= <PyOleEmpty object>)

Get a network given a Network ID.

IsConnected

Returns whether connected to internet or not

//Other methods removed

So, now when I use

>>> obj.IsConnected
True

It works fine.

Now the problem I am facing is how to use GetNetowrk method because when I try to use it

>>> obj.GetNetwork()
Traceback (most recent call last):
  File "<interactive input>", line 1, in <module>
      ret = self._oleobj_.InvokeTypes(2, LCID, 1, (9, 0), ((36, 1),),gdNetworkId
com_error: (-2147024809, 'The parameter is incorrect.', None, None)

I also tried creating PyOleEmpty object by using pythoncom.Empty and passed it as a paremeter but no luck.

I understand GetNetwork require NetworkID as a parameter but the method GetNetworkId is defined in INetwork class.

So my question is how to use classes defined in the python file created using MakePy utility which are not CoClass.

Roger Upole · Accepted Answer · 2012-04-04 04:41:05Z

2

It looks like the way to get to the Network objects is to enumerate them using GetNetworks:

networks=obj.GetNetworks(win32com.client.constants.NLM_ENUM_NETWORK_CONNECTED)
for network in networks:
    print (network.GetName(), network.GetDescription())

Using the network ids will be problematic. They're defined as raw structs, so they will need to be passed using Records. Pywin32's support for the IRecordInfo interface is still somewhat weak.

answered Apr 4, 2012 at 4:41

Roger Upole

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1 Comment

RanRag Over a year ago

Nice it worked but I was wondering how did you figured it out.

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