On Thu, 18 Oct 2012 23:16:37 +0200, Jens Thoms Toerring <j...@toerring.de> wrote: > Hi Larry, > > On Thu, Oct 18, 2012 at 02:45:30PM -0600, Larry Shaffer wrote: >> Interesting approach. Thank you for sharing. Since the QGIS project >> has a minimum requirement of Python 2.3 (2.5+ recommended), I think >> maybe the Python ctypes package could be leveraged instead of >> generating a cpp test program. I will have to ask the other QGIS devs, >> with more knowledge in this area, if that approach is better than the >> current platform-sniffing, hard-coded way. >> >> On my Mac (Py 2.7.1), I did this: >> >> import ctypes >> ctypes.c_size_t == ctypes.c_ulong >> # returns True >> ctypes.c_size_t == ctypes.c_uint >> # returns False >> >> So it looks like a variation on your script will work, since Python is >> already used as part of the CMake finds before generating the sip >> files for the bindings. CMake (or Python) can then be used to generate >> the sip file from the returned typedef string. Thanks again. > > That looks like a brilliant idea since it avoids all the > potential problems with getting the test program to com- > pile! I never had a closer look at what can be done with > ctypes, so I missed that one. Do you mind if I steal that > idea of yours for my own project?
FYI, ctypes isn't supported on all platforms (HP-UX for example). This is a problem for many scientific and engineering users. Phil _______________________________________________ PyQt mailing list PyQt@riverbankcomputing.com http://www.riverbankcomputing.com/mailman/listinfo/pyqt
