cpython/Modules/_sysconfig.c

// _sysconfig provides data for the Python sysconfig module

#ifndef Py_BUILD_CORE_BUILTIN
#define Py_BUILD_CORE_MODULE …
#endif

#include "Python.h"

#include "pycore_importdl.h"   // _PyImport_DynLoadFiletab
#include "pycore_long.h"       // _PyLong_GetZero, _PyLong_GetOne


/*[clinic input]
module _sysconfig
[clinic start generated code]*/
/*[clinic end generated code: output=da39a3ee5e6b4b0d input=0a7c02d3e212ac97]*/

#include "clinic/_sysconfig.c.h"

#ifdef MS_WINDOWS
static int
add_string_value(PyObject *dict, const char *key, const char *str_value)
{
    PyObject *value = PyUnicode_FromString(str_value);
    if (value == NULL) {
        return -1;
    }
    int err = PyDict_SetItemString(dict, key, value);
    Py_DECREF(value);
    return err;
}
#endif

/*[clinic input]
_sysconfig.config_vars

Returns a dictionary containing build variables intended to be exposed by sysconfig.
[clinic start generated code]*/

static PyObject *
_sysconfig_config_vars_impl(PyObject *module)
/*[clinic end generated code: output=9c41cdee63ea9487 input=391ff42f3af57d01]*/
{ … }

PyDoc_STRVAR(sysconfig__doc__,
"A helper for the sysconfig module.");

static struct PyMethodDef sysconfig_methods[] = …;

static PyModuleDef_Slot sysconfig_slots[] = …;

static PyModuleDef sysconfig_module = …;

PyMODINIT_FUNC
PyInit__sysconfig(void)
{ … }