[python-win32] win32com.client.DispatchWithEvents free threading re-entrancy

[Thomas Heller]

Richard Bell schrieb:
> I'm working on an application that does some IE automation via the COM
> interface.  I'm running in a free thread model,  sys.coint_flags = 0, and
> starting IE with
> win32.com.client.DispatchWIthEvents("InternetExplorer.Application",
> event_handler_class).  Events are arriving as revealed by print statements
> in the event handling routines.  Unfortunately, testing suggest that the
> event handling routines are being reentered (a win32 mutex can not be got
> because the event routines were reentered BEFORE it was released). 
> 

In a free-threaded apartment you must be prepared to receive events in different
threads.  So I think it is not forbidden that event handlers are reentered.

IMO this is most easily fixed by using an STA instead, if you can live with that.

Thomas