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 -- http://mail.python.org/mailman/listinfo/python-list
