[Python-Dev] Status of MS Windows CE port
Ulrich Eckhardt
eckhardt at satorlaser.com
Tue Sep 30 09:31:58 CEST 2008
On Tuesday 30 September 2008, Martin v. Löwis wrote:
> Ulrich Eckhardt wrote:
> >>> Well, currently it does make a difference. Simple example:
> >>> CreateFile().
> >>
> >> It's not so simple: Python doesn't actually call CreateFile
> >
> > Martin, CreateFile() was just used as an example. You can substitute it
> > with LoadString() or CreateProcess() if you like, the problem remains the
> > same.
>
> However, the solution should be different from the one you propose. I
> don't know what call of CreateProcess you are referring to specifically,
> but I think they should all be changed to call CreateProcessW.
>
> Again, whether or not _UNICODE is defined should have no effect. If it
> does, it's a bug, and the solution is not to sprinkle TCHAR all over the
> place.
I think we're misunderstanding each other, because that is exactly the
solution I'm targetting. I'm aware that TCHAR is just a hack to ease
transition between obsolete MS Windows versions and NT and later. However,
current state is that Python uses CreateProcessA() and changing that is not
always trivial.
Therefore, my first step in porting is also to remove the dependency on TCHAR,
i.e. replace things like CreateProcess() with preferably CreateProcessW() or
alternatively CreateProcessA(). Just #defining _UNICODE in the build already
turns up around 50 places in pythoncore that need work. I'll send patches
soon.
> > [about using SCons for building]
> >
> >> And you *can* provide an SCons file that supports all the SDKs?
> >
> > No, but I can provide one that allows parametrisation. ;)
>
> And, with proper parametrization, then supports all SDKs?
Hopefully, yes, but I'm not going to make any claims which I'm not sure about.
SCons is just convenient because the PythonCE project already uses it but I'm
not adamant on that matter. The approach of Jack Jansen also sounds good,
generating the projectfiles (which are XML, btw) from a Python script also
sounds nice.
cheers
Uli
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