[Python.NET] dotnet, threading and py2exe

[Maksim Kozyarchuk]

We found that the following code as the first line of your python file puts
you into the STA.

import pythoncom
pythoncom.CoInitialize()

Maksim

On 1/3/08 9:44 AM, "Brian Lloyd" <brian.lloyd at revolutionhealth.com> wrote:

> Hi Sebastian - when you talk about it 'running perfectly with
> the normal python.exe', I assume you mean the one that comes
> with python.net.
> 
> That exe is actually written in C# and explicitly sets the
> apartment mode to STA.
> 
> I suspect the problem is that py2exe will create its own form
> of exe which won't do that, so you'll get the default threading
> model (MTA).
> 
> It might be possible for your script to set the main thread to
> STA, if it is the very first thing your program does. You may
> want to refer to the docs on that -- I remember it was kind of
> complicated and hard to get it set from python code, but don't
> recall all of the details.
> 
> -Brian
> 
> 
> On 1/3/08 5:46 AM, "Sebastian Stang" <sebastian at yuca-lab.de> wrote:
> 
>> > Dear pythoneers,
>> > i want to deliver my program, which runs perfectly 'uncompiled', as an
>> > exe file to customers.
>> >
>> > The problem: i have to use an activeX component in a windows-form, and
>> > com-components can only be created in single-thread apartments.
>> > But when i use py2exe to compile it, the application is run in a multi-
>> > threaded-apartment
>> > (System.Threading.Thread.CurrentThread.GetApartmentState() is MTA).
>> >
>> > I tried some workarounds, e.g. create the form in an STA-thread or
>> > create the activex in an STA like this:
>> >
>> > thread_is_ready = False
>> > axBrowser = None
>> > def create_browser_thread(*args):
>> > global thread_is_ready
>> > global axBrowser
>> > print System.Threading.Thread.CurrentThread.GetApartmentState()
>> > axBrowser = AxSHDocVw.AxWebBrowser()
>> > thread_is_ready = True
>> >
>> > #and the initialization function in my main form class:
>> > def InitializeComponent(self):
>> > global thread_is_ready
>> > global axBrowser
>> > job = System.Threading.ThreadStart(create_browser_thread)
>> > thread = System.Threading.Thread(job)
>> > thread.SetApartmentState(System.Threading.ApartmentState.STA)
>> > thread.Start()
>> > while not thread_is_ready:
>> > pass
>> > self.Controls.Add(axBrowser)
>> >
>> > This all worked fine when run with python.exe from command-line.
>> > However, compiled with py2exe, the initialization function ends
>> > without exceptions, but the form is not shown and the program hangs.
>> > Telling the form to shop does not help either.
>> >
>> > Did anyone experience similar problems?
>> >
>> > best regards,
>> > Pablo
>> > _________________________________________________
>> > Python.NET mailing list - PythonDotNet at python.org
>> > http://mail.python.org/mailman/listinfo/pythondotnet
> 
> --------------------------
> Brian Lloyd
> 
> brian.lloyd at revolutionhealth.com
> 
> _________________________________________________
> Python.NET mailing list - PythonDotNet at python.org
> http://mail.python.org/mailman/listinfo/pythondotnet
> 


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