[Python-Dev] Status of MS Windows CE port (original) (raw)

Ulrich Eckhardt eckhardt at satorlaser.com
Fri Sep 26 09:21:35 CEST 2008

On Thursday 25 September 2008, Martin v. Löwis wrote:

> 1. TCHAR is always WCHAR

Python shouldn't be using TCHAR at all; that getpathp uses it is misguided (IMO).

It already does, see below...

> The first point is interesting to the desktop win32 variants because > everything since NT4 (or even 3.x) also used UCS2 or UTF-16 internally. > Only win9x and ME(?) use 8-bit chars, and since support for them is being > dropped, this would save a few conversions while allowing better Unicode > support. I think getting Python to compile with UNICODE #defined will be > my first step.

Please don't. Whether or not UNICODE is defined should have no effect.

Well, currently it does make a difference. Simple example: CreateFile(). One of the parameters is actually documented at LPCTSTR, which is a TCHAR string. That means that under CE, CreateFile(), which is actually a macro, resolves to CreateFileW and the existing code that passes a char-string doesn't work.

> The third means that functions like e.g. system() are simply not > available in the supplied C API.

In this case, not defining HAVESYSTEM would be already sufficient, no?

I'll take a look, I actually don't know.

> The last one only affects the build system and possibly the integration > of unit testing. pythonce.sf.net already have one based on SCons, which > is nice and easily extended. Being able to build 64 bit variants on 32 > bit systems and vice versa might be another benefit.

Wouldn't it be easier to extend the VS projects? VS targets CE fairly well, no?

VS2005 works really good with CE5 and later. My problem here is that I can't provide a projectfile that suits everyone, because different devices have different SDKs and each configuration/SDK/CPU is another entry in that file. Further, the SDKs or devices differ in what they support, the platform CE as such doesn't exist.

Uli

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