[Numpy-discussion] Calling routines from a Fortran library using python
Thu Feb 18 04:21:03 CST 2010
Nils Wagner wrote:
> On Thu, 18 Feb 2010 18:32:18 +0900
> David Cournapeau <firstname.lastname@example.org> wrote:
>> Nils Wagner wrote:
>>> Hi all,
>>> I have a static library (*.a) compiled by gfortran but
>>> source files.
>>> How can I call routines from that library using python ?
>> Is there any kind of interface (.h, etc...) ? If this is
>> a proprietary
>> library, there has to be something so that it can be
>> called from C, and
>> anything that can be called from C can be called from
>> python. If you
>> don't know at least the functions signatures, it will be
>> very difficult
>> (you would have to disassemble the code to find how the
>> functions are
>> called, etc...).
> Hi David,
> you are right. It's a proprietary library.
> I found a header file (*.h) including prototype
> declarations of externally callable procedures.
> How can I proceed ?
Exactly as you would do for a C library (ctypes, cython, by hand, swig,
etc...). Once you have the header (plus the C->Fortran ABI convention,
which depend on your compilers and platforms), it is exactly as calling
a C function in a C library,
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