On 20 jan, 23:55, "Diez B. Roggisch" <[EMAIL PROTECTED]> wrote: > pythonewbie schrieb: > > > > > On 20 jan, 20:59, "Diez B. Roggisch" <[EMAIL PROTECTED]> wrote: > >> pythonewbie schrieb: > > >>> On 20 jan, 19:50, "Diez B. Roggisch" <[EMAIL PROTECTED]> wrote: > >>>> pythonewbie schrieb: > >>>>> On 20 jan, 12:20, Christian Heimes <[EMAIL PROTECTED]> wrote: > >>>>>> pythonewbie wrote: > >>>>>>> I am stucked on creating a function to get the Python install > >>>>>>> directory (and site-packages directory) with a 100% reliable method... > >>>>>> Only one method is 100% reliable: > >>>>>> try: > >>>>>> import yourextension > >>>>>> except ImportError: > >>>>>> available = False > >>>>>> else: > >>>>>> available = True > >>>>>> Christian > >>>>> Hi Christian, > >>>>> OK thanks, interesting to detect if an extension is available or not. > >>>>> But for different reasons I also want to get the absolute path of > >>>>> Python install directory (not only the executable under Linux) and > >>>>> site-packages directory. > >>>>> How could I proceed ? > >>>> Maybe sys.path is a starter? > >>>> Diez > >>> Yes, it is, but my problem is that I am not sure to find the > >>> information I need at the same position of the list generated by > >>> sys.path. > >>> I explain, for Win32, I find install directory using sys.path[6] and > >>> site-package directory using sys.path[7], for Linux I find install > >>> directory using sys.path[2] and site-package directory using > >>> sys.path[6]. > >>> For my tests, I have used XP Pro and Ubuntu Gutsy. > >>> I am not sure to find these information at the same position in the > >>> sys.path list using Win9x, Win2k, Ubuntu Dapper, Redhat FC6, FreeBSD > >>> and using Python v2.1 2.2 2.3 etc ? > >>> This why I'm asking experienced programmers of this usenet group for > >>> advices. > >> Sorry, I missed your first post. However, I don't see what your problem > >> actually is. If you want to look for any extension, you need to consider > >> whatever can be seen in the sys.path. So what do you care about the > >> order of them? > > >> Diez > > > I just would like to know if I would ALWAYS find the install directory > > in sys.path[6] and site-packages directory in sys.path[7] on any Win32 > > platform and sys.path[2] and site-packages directory in sys.path[6] on > > any Linux platform. > > > If the reply is : "YES you can be sure of it !" > > > All would be great for me and I would be ready to create a script to > > detect with a reliable manner the installation dir. et site-packages > > dir. for all my Linux/Win32 Python apps. > > > Thanks for your interest on this topic. > > I doubt that you can say such things. You can even manipulate the path > at runtime. > > And I still don't understand WHY you want that? If you want > site-packages, why don't you loop through the paths until you find it? > > Diez
Because the solution using distutils.sysconfig.get_python_lib() is very smart ! Cheers -- http://mail.python.org/mailman/listinfo/python-list
