[Python.NET] dotnet, threading and py2exe

[Brian Lloyd]

wow, python.net, pythoncom and py2exe. Just need to find a way to import
IronPython and use something from that too... ;)

-Brian


On 1/3/08 10:55 AM, "Maksim Kozyarchuk"
<mkozyarchuk at funddevelopmentservices.com> wrote:

> 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
>> 
> 
> 


--------------------------
Brian Lloyd

brian.lloyd at revolutionhealth.com

-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://mail.python.org/pipermail/pythondotnet/attachments/20080103/3fba395f/attachment.htm