[Pythonmac-SIG] py2app & multiprocessing

[Gabriel Rossetti]

Hello Alexandre,

His is how I had it before, but it was causing me problems and I was 
told that it's better tu run them in separate threads. Do you use twistd 
(.tac files)? I'll have a look at your application, thanks!

Gabriel

Alexandre Quessy wrote:
> Hi everyone,
> I use Twisted everyday, and have worked on a wx GUI for an application
> using it. We also use Py2App to bundle it up. It works flawlessly. I
> use the Twisted main loop, which controls the wx events loop.
>
> To make both of them work together, you need to do the following :
>
> {{{
> from twisted.internet import wxreactor
> wxreactor.install()
> }}}
>
> You can check our RawMaterials application since it is free software.
> It has a lot of dependencies, so it is rather difficult to build.
> https://svn.sat.qc.ca/trac/rawmaterials/browser/trunk/src/RawMaterials.py
> We use a shell script to build and copy things in the .app :
> https://svn.sat.qc.ca/trac/rawmaterials/browser/trunk/src/make_app.sh
>
> I would say the problem is probably more about multiprocessing than wx
> and twisted. Using subprocess, or pexpect, or commands might be a
> better idea.
>
> a
>
> 2009/8/14 Gabriel Rossetti <gabriel.rossetti at arimaz.com>:
>   
>> Christopher Barker wrote:
>>     
>>> Gabriel Rossetti wrote:
>>>       
>>>> no SSH, nothing) and I have to had reboot it. It uses a combination of
>>>> Twisted and wxPython and is rather large, so I don't know where this comes
>>>> from, it could be wx, twisted or the two together.
>>>>         
>>> It's probably not wx -- it is used a fair bit on Macs.
>>>
>>> I don't know how much Twisted is used on the Mac. It might be worth asking
>>> on a Twisted list. Also, have you tried just a simple Twisted app on its
>>> own?
>>>
>>> And yes, I suppose the two together could be an issue.
>>>       
>> Yes actually, it was the two together. I used something someone had told me
>> about a some time ago, that is to use the wx eventloop as the main eventloop
>> and have twisted's run in a separate thread, it now works fine on Mac.
>>
>> I'm still working on the pz2app part though, I'll kep everyone updated.
>>
>> Gabriel
>>
>>     
>>> Oh, and do you have these problems running without py2app?
>>>
>>>       
>>>> Popen could not find my files when using py2app,
>>>>         
>>> This should be a simple path issue -- a few judicious print statements
>>> should help here.
>>>
>>>       
>>>> even though they were in the same
>>>>
>>>> directory as the main exec. I even tried putting the execs in the
>>>> resource dir but no luck,
>>>>         
>>> hmm -- I think that is indeed where the working dir is set by py2app when
>>> starting op. try:
>>>
>>> print os.getcwd()
>>>
>>> you can look in the "Console" app to see stuff printed to stdout.
>>>
>>> -Chris
>>>
>>>       
>> _______________________________________________
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>>
>>     
>
>
>
>