cpython/Modules/_sysconfig.c

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// _sysconfig provides data for the Python sysconfig module
#ifndef Py_BUILD_CORE_BUILTIN
# define Py_BUILD_CORE_MODULE 1
#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]*/
{
PyObject *config = PyDict_New();
if (config == NULL) {
return NULL;
}
#ifdef MS_WINDOWS
if (add_string_value(config, "EXT_SUFFIX", PYD_TAGGED_SUFFIX) < 0) {
Py_DECREF(config);
return NULL;
}
if (add_string_value(config, "SOABI", PYD_SOABI) < 0) {
Py_DECREF(config);
return NULL;
}
#endif
#ifdef Py_GIL_DISABLED
PyObject *py_gil_disabled = _PyLong_GetOne();
#else
PyObject *py_gil_disabled = _PyLong_GetZero();
#endif
if (PyDict_SetItemString(config, "Py_GIL_DISABLED", py_gil_disabled) < 0) {
Py_DECREF(config);
return NULL;
}
return config;
}
PyDoc_STRVAR(sysconfig__doc__,
"A helper for the sysconfig module.");
static struct PyMethodDef sysconfig_methods[] = {
_SYSCONFIG_CONFIG_VARS_METHODDEF
{NULL, NULL}
};
static PyModuleDef_Slot sysconfig_slots[] = {
{Py_mod_multiple_interpreters, Py_MOD_PER_INTERPRETER_GIL_SUPPORTED},
{0, NULL}
};
static PyModuleDef sysconfig_module = {
.m_base = PyModuleDef_HEAD_INIT,
.m_name = "_sysconfig",
.m_doc = sysconfig__doc__,
.m_methods = sysconfig_methods,
.m_slots = sysconfig_slots,
};
PyMODINIT_FUNC
PyInit__sysconfig(void)
{
return PyModuleDef_Init(&sysconfig_module);
}