[python-win32] COM - question about DynamicPolicy.py

[wccppp]

Hello group,

I was reading Chapter 12 of Python Programming on Win32 and trying to mimic
the sample code DynamicPolicy.py.  I wanted to expose methods/properties
defined in the module os.  Here is what I did.  I only made very minor
changes to the original code.  It seems the COM server was registered.  At
least there was no error message.  But when I tried testing it with VBA,
nothing worked.

Python code:

# DynamicPolicy.py -- A demonstration of dynamic policies in PythonCOM
import os
import pythoncom
import pywintypes
import winerror
import types
from win32com.server.exception import COMException

def FixArgs(args):
( I maded no change to this funtion)

class PythonModuleOs:
    _reg_progid_ = "pymodule.os"
    _reg_clsid_ = "{67C9267A-55EE-4B17-A556-4FA34F42EE3F}"
    _reg_policy_spec_ = "DynamicPolicy"

    def _dynamic_(self, name, lcid, wFlags, args):
the only change i made with this function is I changed

       try:
            item = getattr(string, string.lower(name))
to
        try:
            item = getattr(os, os.listdir(name))

VBA code for testing:

Public Sub TestCOMServer()
    Dim pym As Variant
    Set pym = CreateObject("pymodule.os")
    MsgBox pym.listdir("C:\Temp")
End Sub

I got an error message:
         "No such file or directory: 'listdir'

Can someone show me what needs to be done in order to create a COM server to
expose other python modules?  Btw, I didn't copy & post the original code
because I'm not sure if it is ok to do so.

Thank you.

Regards,
- wcc
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