On Mon, 02 Jun 2008 00:32:33 -0700, gianluca wrote:
> Hy, I've a problem with may python library generated with swig from C
> code. I works and I can access all function but a simèple function that
> print a string don't work's.
> The function is like this:
> int PrintTEST()
> {
> printf("TEST ");
> return 1;
> }
>
> If I call the function (myDLL.PrintTEST() ) the function print only the
> returned value, not the string "TEST". Could anybody help me?
>
> Thanks
>
> Gianluca
Hi!
Here's "Hello world" in Python C API:
1. create 'hello.c' file with the following content:
#include <Python.h>
PyObject*
hello(PyObject* self)
{
printf("Hello world!\n");
Py_RETURN_NONE;
}
static PyMethodDef functions[] = {
{"hello", (PyCFunction)hello, METH_NOARGS},
{NULL, NULL, 0, NULL},
};
DL_EXPORT(void)
init_hello(void)
{
Py_InitModule("_hello", functions);
}
2. create 'buildme.py' file with this content:
import os
import sys
from distutils.core import Extension, setup
os.chdir(os.path.dirname(os.path.abspath(__file__)))
sys.argv = [sys.argv[0], 'build_ext', '-i']
setup(ext_modules = [Extension('_hello', ["hello.c"])])
3. run "python buildme.py"
That's all.
>>> from _hello import hello
>>> hello()
Hello world!
-- Ivan
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