COM: Minimal example of a custom server working with DispatchWithEvents()

Hi everyone,


I'm trying to make a cross-platform Python interface for a third-party API
(Druide Antidote). The D-Bus part is done and working (
https://gitlab.com/-/snippets/2151173), it consist of a server adapter
(AdaptateurAntidote), which relay the events to an handler class
(ImplementationAntidote).


I want to do the same with the COM interface. However, I could not get
DispatchWithEvents() to work, as it fails on "ti =
disp._oleobj_.GetTypeInfo()";


C:\Users\user>"C:\Users\user\Desktop\AntidoteCOM.py - Shortcut.lnk"
> --register
>
> Requesting elevation and retrying...
>
> Registered: Correcteur.Antidote
>
>
> C:\Users\user>"C:\Users\user\Desktop\AntidoteCOM.py - Shortcut.lnk"
>
> Traceback (most recent call last):
>
> File
> "C:\Users\user\AppData\Local\Programs\Python\Python38\lib\site-packages\win32com\client\__init__.py",
> line 256, in DispatchWithEvents
>
> ti = disp._oleobj_.GetTypeInfo()
>
> pywintypes.com_error: (-2147352567, 'Exception occurred.', None, None)
>
>
> During handling of the above exception, another exception occurred:
>
>
> Traceback (most recent call last):
>
> File "Z:\.antidote_\AntidoteCOM.py", line 54, in _connect
>
> self.server = win32com.client.DispatchWithEvents("Correcteur.Antidote",
> EventHandler)
>
> File
> "C:\Users\user\AppData\Local\Programs\Python\Python38\lib\site-packages\win32com\client\__init__.py",
> line 264, in DispatchWithEvents
>
> raise TypeError("This COM object can not automate the makepy process -
> please run makepy manually for this object")
>
> TypeError: This COM object can not automate the makepy process - please
> run makepy manually for this object
>

I noticed that when running localserve.serve() in a separate console, the
server returns as DispatchWithEvents() is called. No errors are thrown on
the server side, but I assume there is something wrong or missing in the
class definition of AdaptateurAntidote. I tried changing its policy to
dynamic, but that did not help.


*If someone could provide a minimal example of a custom server working
along with DispatchWithEvents(), that would be very helpful. *All the
examples I could find use third-party servers, such as those provided by
Microsoft.


Full code available is here; https://gitlab.com/-/snippets/2154411


Will

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