arve.knudsen at gmail
Nov 15, 2009, 3:23 PM
Post #9 of 9
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Re: How to get directory of Python C library
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On 15 Nov, 23:59, "Diez B. Roggisch" <de...@nospam.web.de> wrote:
> arve.knud...@gmail.com schrieb:
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> > On 15 Nov, 22:11, "Diez B. Roggisch" <de...@nospam.web.de> wrote:
> >> arve.knud...@gmail.com schrieb:
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> >>> On 15 Nov, 21:24, "Diez B. Roggisch" <de...@nospam.web.de> wrote:
> >>>> arve.knud...@gmail.com schrieb:
> >>>>> On 15 Nov, 20:05, "Diez B. Roggisch" <de...@nospam.web.de> wrote:
> >>>>>> arve.knud...@gmail.com schrieb:
> >>>>>>> Hi
> >>>>>>> I need to link against Python, is there a way to get the path to the
> >>>>>>> directory containing Python's C library (e.g., <exec-prefix>/libs on
> >>>>>>> Windows)?
> >>>>>> Most probably from the registry somehow. In general, try & locate a
> >>>>>> python-executable, and make it execute
> >>>>>> python -c "import sys; print sys.prefix"
> >>>>>> Capture that, and you're done. Depending on the OS, the libs then are
> >>>>>> placed in e.g. <prefix>/lib.
> >>>>> That doesn't solve anything, the hard part is figuring out the part
> >>>>> after <prefix> ..
> >>>> AFAIK is that only varying based on the OS. Under unix, it's
> >>>> <prefix>/lib/python<version>/
> >>>> You can get the platform via sys.platform.
> >>> Well, my point is that I should like a way to query for this
> >>> directory, just as I can query distutils.sysconfig for the include
> >>> directory and Python library (i.e., the standard Python library)
> >>> directory. It's not trivial to figure out Python's installation scheme
> >>> so long as it's not written in stone ..
> >> Well, than how about you word your question like that? But there is no
> >> simple function to call. So the answer to the question you asked is: no.
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> >> I showed you a way that works for current python, and consists of
> >> stitching together a number of informations.
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> >> Diez
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> > My original question was pretty clear I think. And I don't have the
> > required information to deduce what the library path may look like on
> > any given platform, there really should be a standard function for
> > this.
>
> I at least misunderstood it - which might be my fault. However, as there
> is no such function. I suggest you discuss this on the devel-list -
> however, anything before python2.7 is unlikely to grow such a function,
> so you are stuck with the ways I described.
>
> Diez
OK, thanks. Perhaps I'll try distutils-sig, given that it looks
natural to extend distutils.sysconfig.
Arve
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