/*[clinic input]
preserve
[clinic start generated code]*/

#if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
#  include "pycore_gc.h"          // PyGC_Head
#  include "pycore_runtime.h"     // _Py_ID()
#endif
#include "pycore_modsupport.h"    // _PyArg_CheckPositional()

PyDoc_STRVAR(_imp_lock_held__doc__,
"lock_held($module, /)\n"
"--\n"
"\n"
"Return True if the import lock is currently held, else False.\n"
"\n"
"On platforms without threads, return False.");

#define _IMP_LOCK_HELD_METHODDEF    \
    {"lock_held", (PyCFunction)_imp_lock_held, METH_NOARGS, _imp_lock_held__doc__},

static PyObject *
_imp_lock_held_impl(PyObject *module);

static PyObject *
_imp_lock_held(PyObject *module, PyObject *Py_UNUSED(ignored))
{
    return _imp_lock_held_impl(module);
}

PyDoc_STRVAR(_imp_acquire_lock__doc__,
"acquire_lock($module, /)\n"
"--\n"
"\n"
"Acquires the interpreter\'s import lock for the current thread.\n"
"\n"
"This lock should be used by import hooks to ensure thread-safety when importing\n"
"modules. On platforms without threads, this function does nothing.");

#define _IMP_ACQUIRE_LOCK_METHODDEF    \
    {"acquire_lock", (PyCFunction)_imp_acquire_lock, METH_NOARGS, _imp_acquire_lock__doc__},

static PyObject *
_imp_acquire_lock_impl(PyObject *module);

static PyObject *
_imp_acquire_lock(PyObject *module, PyObject *Py_UNUSED(ignored))
{
    return _imp_acquire_lock_impl(module);
}

PyDoc_STRVAR(_imp_release_lock__doc__,
"release_lock($module, /)\n"
"--\n"
"\n"
"Release the interpreter\'s import lock.\n"
"\n"
"On platforms without threads, this function does nothing.");

#define _IMP_RELEASE_LOCK_METHODDEF    \
    {"release_lock", (PyCFunction)_imp_release_lock, METH_NOARGS, _imp_release_lock__doc__},

static PyObject *
_imp_release_lock_impl(PyObject *module);

static PyObject *
_imp_release_lock(PyObject *module, PyObject *Py_UNUSED(ignored))
{
    return _imp_release_lock_impl(module);
}

PyDoc_STRVAR(_imp__fix_co_filename__doc__,
"_fix_co_filename($module, code, path, /)\n"
"--\n"
"\n"
"Changes code.co_filename to specify the passed-in file path.\n"
"\n"
"  code\n"
"    Code object to change.\n"
"  path\n"
"    File path to use.");

#define _IMP__FIX_CO_FILENAME_METHODDEF    \
    {"_fix_co_filename", _PyCFunction_CAST(_imp__fix_co_filename), METH_FASTCALL, _imp__fix_co_filename__doc__},

static PyObject *
_imp__fix_co_filename_impl(PyObject *module, PyCodeObject *code,
                           PyObject *path);

static PyObject *
_imp__fix_co_filename(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
{
    PyObject *return_value = NULL;
    PyCodeObject *code;
    PyObject *path;

    if (!_PyArg_CheckPositional("_fix_co_filename", nargs, 2, 2)) {
        goto exit;
    }
    if (!PyObject_TypeCheck(args[0], &PyCode_Type)) {
        _PyArg_BadArgument("_fix_co_filename", "argument 1", (&PyCode_Type)->tp_name, args[0]);
        goto exit;
    }
    code = (PyCodeObject *)args[0];
    if (!PyUnicode_Check(args[1])) {
        _PyArg_BadArgument("_fix_co_filename", "argument 2", "str", args[1]);
        goto exit;
    }
    path = args[1];
    return_value = _imp__fix_co_filename_impl(module, code, path);

exit:
    return return_value;
}

PyDoc_STRVAR(_imp_create_builtin__doc__,
"create_builtin($module, spec, /)\n"
"--\n"
"\n"
"Create an extension module.");

#define _IMP_CREATE_BUILTIN_METHODDEF    \
    {"create_builtin", (PyCFunction)_imp_create_builtin, METH_O, _imp_create_builtin__doc__},

PyDoc_STRVAR(_imp_extension_suffixes__doc__,
"extension_suffixes($module, /)\n"
"--\n"
"\n"
"Returns the list of file suffixes used to identify extension modules.");

#define _IMP_EXTENSION_SUFFIXES_METHODDEF    \
    {"extension_suffixes", (PyCFunction)_imp_extension_suffixes, METH_NOARGS, _imp_extension_suffixes__doc__},

static PyObject *
_imp_extension_suffixes_impl(PyObject *module);

static PyObject *
_imp_extension_suffixes(PyObject *module, PyObject *Py_UNUSED(ignored))
{
    return _imp_extension_suffixes_impl(module);
}

PyDoc_STRVAR(_imp_init_frozen__doc__,
"init_frozen($module, name, /)\n"
"--\n"
"\n"
"Initializes a frozen module.");

#define _IMP_INIT_FROZEN_METHODDEF    \
    {"init_frozen", (PyCFunction)_imp_init_frozen, METH_O, _imp_init_frozen__doc__},

static PyObject *
_imp_init_frozen_impl(PyObject *module, PyObject *name);

static PyObject *
_imp_init_frozen(PyObject *module, PyObject *arg)
{
    PyObject *return_value = NULL;
    PyObject *name;

    if (!PyUnicode_Check(arg)) {
        _PyArg_BadArgument("init_frozen", "argument", "str", arg);
        goto exit;
    }
    name = arg;
    return_value = _imp_init_frozen_impl(module, name);

exit:
    return return_value;
}

PyDoc_STRVAR(_imp_find_frozen__doc__,
"find_frozen($module, name, /, *, withdata=False)\n"
"--\n"
"\n"
"Return info about the corresponding frozen module (if there is one) or None.\n"
"\n"
"The returned info (a 2-tuple):\n"
"\n"
" * data         the raw marshalled bytes\n"
" * is_package   whether or not it is a package\n"
" * origname     the originally frozen module\'s name, or None if not\n"
"                a stdlib module (this will usually be the same as\n"
"                the module\'s current name)");

#define _IMP_FIND_FROZEN_METHODDEF    \
    {"find_frozen", _PyCFunction_CAST(_imp_find_frozen), METH_FASTCALL|METH_KEYWORDS, _imp_find_frozen__doc__},

static PyObject *
_imp_find_frozen_impl(PyObject *module, PyObject *name, int withdata);

static PyObject *
_imp_find_frozen(PyObject *module, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
{
    PyObject *return_value = NULL;
    #if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)

    #define NUM_KEYWORDS 1
    static struct {
        PyGC_Head _this_is_not_used;
        PyObject_VAR_HEAD
        Py_hash_t ob_hash;
        PyObject *ob_item[NUM_KEYWORDS];
    } _kwtuple = {
        .ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
        .ob_hash = -1,
        .ob_item = { &_Py_ID(withdata), },
    };
    #undef NUM_KEYWORDS
    #define KWTUPLE (&_kwtuple.ob_base.ob_base)

    #else  // !Py_BUILD_CORE
    #  define KWTUPLE NULL
    #endif  // !Py_BUILD_CORE

    static const char * const _keywords[] = {"", "withdata", NULL};
    static _PyArg_Parser _parser = {
        .keywords = _keywords,
        .fname = "find_frozen",
        .kwtuple = KWTUPLE,
    };
    #undef KWTUPLE
    PyObject *argsbuf[2];
    Py_ssize_t noptargs = nargs + (kwnames ? PyTuple_GET_SIZE(kwnames) : 0) - 1;
    PyObject *name;
    int withdata = 0;

    args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser,
            /*minpos*/ 1, /*maxpos*/ 1, /*minkw*/ 0, /*varpos*/ 0, argsbuf);
    if (!args) {
        goto exit;
    }
    if (!PyUnicode_Check(args[0])) {
        _PyArg_BadArgument("find_frozen", "argument 1", "str", args[0]);
        goto exit;
    }
    name = args[0];
    if (!noptargs) {
        goto skip_optional_kwonly;
    }
    withdata = PyObject_IsTrue(args[1]);
    if (withdata < 0) {
        goto exit;
    }
skip_optional_kwonly:
    return_value = _imp_find_frozen_impl(module, name, withdata);

exit:
    return return_value;
}

PyDoc_STRVAR(_imp_get_frozen_object__doc__,
"get_frozen_object($module, name, data=None, /)\n"
"--\n"
"\n"
"Create a code object for a frozen module.");

#define _IMP_GET_FROZEN_OBJECT_METHODDEF    \
    {"get_frozen_object", _PyCFunction_CAST(_imp_get_frozen_object), METH_FASTCALL, _imp_get_frozen_object__doc__},

static PyObject *
_imp_get_frozen_object_impl(PyObject *module, PyObject *name,
                            PyObject *dataobj);

static PyObject *
_imp_get_frozen_object(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
{
    PyObject *return_value = NULL;
    PyObject *name;
    PyObject *dataobj = Py_None;

    if (!_PyArg_CheckPositional("get_frozen_object", nargs, 1, 2)) {
        goto exit;
    }
    if (!PyUnicode_Check(args[0])) {
        _PyArg_BadArgument("get_frozen_object", "argument 1", "str", args[0]);
        goto exit;
    }
    name = args[0];
    if (nargs < 2) {
        goto skip_optional;
    }
    dataobj = args[1];
skip_optional:
    return_value = _imp_get_frozen_object_impl(module, name, dataobj);

exit:
    return return_value;
}

PyDoc_STRVAR(_imp_is_frozen_package__doc__,
"is_frozen_package($module, name, /)\n"
"--\n"
"\n"
"Returns True if the module name is of a frozen package.");

#define _IMP_IS_FROZEN_PACKAGE_METHODDEF    \
    {"is_frozen_package", (PyCFunction)_imp_is_frozen_package, METH_O, _imp_is_frozen_package__doc__},

static PyObject *
_imp_is_frozen_package_impl(PyObject *module, PyObject *name);

static PyObject *
_imp_is_frozen_package(PyObject *module, PyObject *arg)
{
    PyObject *return_value = NULL;
    PyObject *name;

    if (!PyUnicode_Check(arg)) {
        _PyArg_BadArgument("is_frozen_package", "argument", "str", arg);
        goto exit;
    }
    name = arg;
    return_value = _imp_is_frozen_package_impl(module, name);

exit:
    return return_value;
}

PyDoc_STRVAR(_imp_is_builtin__doc__,
"is_builtin($module, name, /)\n"
"--\n"
"\n"
"Returns True if the module name corresponds to a built-in module.");

#define _IMP_IS_BUILTIN_METHODDEF    \
    {"is_builtin", (PyCFunction)_imp_is_builtin, METH_O, _imp_is_builtin__doc__},

static PyObject *
_imp_is_builtin_impl(PyObject *module, PyObject *name);

static PyObject *
_imp_is_builtin(PyObject *module, PyObject *arg)
{
    PyObject *return_value = NULL;
    PyObject *name;

    if (!PyUnicode_Check(arg)) {
        _PyArg_BadArgument("is_builtin", "argument", "str", arg);
        goto exit;
    }
    name = arg;
    return_value = _imp_is_builtin_impl(module, name);

exit:
    return return_value;
}

PyDoc_STRVAR(_imp_is_frozen__doc__,
"is_frozen($module, name, /)\n"
"--\n"
"\n"
"Returns True if the module name corresponds to a frozen module.");

#define _IMP_IS_FROZEN_METHODDEF    \
    {"is_frozen", (PyCFunction)_imp_is_frozen, METH_O, _imp_is_frozen__doc__},

static PyObject *
_imp_is_frozen_impl(PyObject *module, PyObject *name);

static PyObject *
_imp_is_frozen(PyObject *module, PyObject *arg)
{
    PyObject *return_value = NULL;
    PyObject *name;

    if (!PyUnicode_Check(arg)) {
        _PyArg_BadArgument("is_frozen", "argument", "str", arg);
        goto exit;
    }
    name = arg;
    return_value = _imp_is_frozen_impl(module, name);

exit:
    return return_value;
}

PyDoc_STRVAR(_imp__frozen_module_names__doc__,
"_frozen_module_names($module, /)\n"
"--\n"
"\n"
"Returns the list of available frozen modules.");

#define _IMP__FROZEN_MODULE_NAMES_METHODDEF    \
    {"_frozen_module_names", (PyCFunction)_imp__frozen_module_names, METH_NOARGS, _imp__frozen_module_names__doc__},

static PyObject *
_imp__frozen_module_names_impl(PyObject *module);

static PyObject *
_imp__frozen_module_names(PyObject *module, PyObject *Py_UNUSED(ignored))
{
    return _imp__frozen_module_names_impl(module);
}

PyDoc_STRVAR(_imp__override_frozen_modules_for_tests__doc__,
"_override_frozen_modules_for_tests($module, override, /)\n"
"--\n"
"\n"
"(internal-only) Override PyConfig.use_frozen_modules.\n"
"\n"
"(-1: \"off\", 1: \"on\", 0: no override)\n"
"See frozen_modules() in Lib/test/support/import_helper.py.");

#define _IMP__OVERRIDE_FROZEN_MODULES_FOR_TESTS_METHODDEF    \
    {"_override_frozen_modules_for_tests", (PyCFunction)_imp__override_frozen_modules_for_tests, METH_O, _imp__override_frozen_modules_for_tests__doc__},

static PyObject *
_imp__override_frozen_modules_for_tests_impl(PyObject *module, int override);

static PyObject *
_imp__override_frozen_modules_for_tests(PyObject *module, PyObject *arg)
{
    PyObject *return_value = NULL;
    int override;

    override = PyLong_AsInt(arg);
    if (override == -1 && PyErr_Occurred()) {
        goto exit;
    }
    return_value = _imp__override_frozen_modules_for_tests_impl(module, override);

exit:
    return return_value;
}

PyDoc_STRVAR(_imp__override_multi_interp_extensions_check__doc__,
"_override_multi_interp_extensions_check($module, override, /)\n"
"--\n"
"\n"
"(internal-only) Override PyInterpreterConfig.check_multi_interp_extensions.\n"
"\n"
"(-1: \"never\", 1: \"always\", 0: no override)");

#define _IMP__OVERRIDE_MULTI_INTERP_EXTENSIONS_CHECK_METHODDEF    \
    {"_override_multi_interp_extensions_check", (PyCFunction)_imp__override_multi_interp_extensions_check, METH_O, _imp__override_multi_interp_extensions_check__doc__},

static PyObject *
_imp__override_multi_interp_extensions_check_impl(PyObject *module,
                                                  int override);

static PyObject *
_imp__override_multi_interp_extensions_check(PyObject *module, PyObject *arg)
{
    PyObject *return_value = NULL;
    int override;

    override = PyLong_AsInt(arg);
    if (override == -1 && PyErr_Occurred()) {
        goto exit;
    }
    return_value = _imp__override_multi_interp_extensions_check_impl(module, override);

exit:
    return return_value;
}

#if defined(HAVE_DYNAMIC_LOADING)

PyDoc_STRVAR(_imp_create_dynamic__doc__,
"create_dynamic($module, spec, file=<unrepresentable>, /)\n"
"--\n"
"\n"
"Create an extension module.");

#define _IMP_CREATE_DYNAMIC_METHODDEF    \
    {"create_dynamic", _PyCFunction_CAST(_imp_create_dynamic), METH_FASTCALL, _imp_create_dynamic__doc__},

static PyObject *
_imp_create_dynamic_impl(PyObject *module, PyObject *spec, PyObject *file);

static PyObject *
_imp_create_dynamic(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
{
    PyObject *return_value = NULL;
    PyObject *spec;
    PyObject *file = NULL;

    if (!_PyArg_CheckPositional("create_dynamic", nargs, 1, 2)) {
        goto exit;
    }
    spec = args[0];
    if (nargs < 2) {
        goto skip_optional;
    }
    file = args[1];
skip_optional:
    return_value = _imp_create_dynamic_impl(module, spec, file);

exit:
    return return_value;
}

#endif /* defined(HAVE_DYNAMIC_LOADING) */

#if defined(HAVE_DYNAMIC_LOADING)

PyDoc_STRVAR(_imp_exec_dynamic__doc__,
"exec_dynamic($module, mod, /)\n"
"--\n"
"\n"
"Initialize an extension module.");

#define _IMP_EXEC_DYNAMIC_METHODDEF    \
    {"exec_dynamic", (PyCFunction)_imp_exec_dynamic, METH_O, _imp_exec_dynamic__doc__},

static int
_imp_exec_dynamic_impl(PyObject *module, PyObject *mod);

static PyObject *
_imp_exec_dynamic(PyObject *module, PyObject *mod)
{
    PyObject *return_value = NULL;
    int _return_value;

    _return_value = _imp_exec_dynamic_impl(module, mod);
    if ((_return_value == -1) && PyErr_Occurred()) {
        goto exit;
    }
    return_value = PyLong_FromLong((long)_return_value);

exit:
    return return_value;
}

#endif /* defined(HAVE_DYNAMIC_LOADING) */

PyDoc_STRVAR(_imp_exec_builtin__doc__,
"exec_builtin($module, mod, /)\n"
"--\n"
"\n"
"Initialize a built-in module.");

#define _IMP_EXEC_BUILTIN_METHODDEF    \
    {"exec_builtin", (PyCFunction)_imp_exec_builtin, METH_O, _imp_exec_builtin__doc__},

static int
_imp_exec_builtin_impl(PyObject *module, PyObject *mod);

static PyObject *
_imp_exec_builtin(PyObject *module, PyObject *mod)
{
    PyObject *return_value = NULL;
    int _return_value;

    _return_value = _imp_exec_builtin_impl(module, mod);
    if ((_return_value == -1) && PyErr_Occurred()) {
        goto exit;
    }
    return_value = PyLong_FromLong((long)_return_value);

exit:
    return return_value;
}

PyDoc_STRVAR(_imp_source_hash__doc__,
"source_hash($module, /, key, source)\n"
"--\n"
"\n");

#define _IMP_SOURCE_HASH_METHODDEF    \
    {"source_hash", _PyCFunction_CAST(_imp_source_hash), METH_FASTCALL|METH_KEYWORDS, _imp_source_hash__doc__},

static PyObject *
_imp_source_hash_impl(PyObject *module, long key, Py_buffer *source);

static PyObject *
_imp_source_hash(PyObject *module, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
{
    PyObject *return_value = NULL;
    #if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)

    #define NUM_KEYWORDS 2
    static struct {
        PyGC_Head _this_is_not_used;
        PyObject_VAR_HEAD
        Py_hash_t ob_hash;
        PyObject *ob_item[NUM_KEYWORDS];
    } _kwtuple = {
        .ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
        .ob_hash = -1,
        .ob_item = { &_Py_ID(key), &_Py_ID(source), },
    };
    #undef NUM_KEYWORDS
    #define KWTUPLE (&_kwtuple.ob_base.ob_base)

    #else  // !Py_BUILD_CORE
    #  define KWTUPLE NULL
    #endif  // !Py_BUILD_CORE

    static const char * const _keywords[] = {"key", "source", NULL};
    static _PyArg_Parser _parser = {
        .keywords = _keywords,
        .fname = "source_hash",
        .kwtuple = KWTUPLE,
    };
    #undef KWTUPLE
    PyObject *argsbuf[2];
    long key;
    Py_buffer source = {NULL, NULL};

    args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser,
            /*minpos*/ 2, /*maxpos*/ 2, /*minkw*/ 0, /*varpos*/ 0, argsbuf);
    if (!args) {
        goto exit;
    }
    key = PyLong_AsLong(args[0]);
    if (key == -1 && PyErr_Occurred()) {
        goto exit;
    }
    if (PyObject_GetBuffer(args[1], &source, PyBUF_SIMPLE) != 0) {
        goto exit;
    }
    return_value = _imp_source_hash_impl(module, key, &source);

exit:
    /* Cleanup for source */
    if (source.obj) {
       PyBuffer_Release(&source);
    }

    return return_value;
}

PyDoc_STRVAR(_imp_set_lazy_imports__doc__,
"set_lazy_imports($module, enabled=None, /, filter=<unrepresentable>)\n"
"--\n"
"\n"
"Programmatic API for enabling lazy imports at runtime.\n"
"\n"
"enabled can be:\n"
"    None (lazy imports always respect keyword)\n"
"    False (forced lazy imports off)\n"
"    True (forced lazy imports on)\n"
"\n"
"filter is an optional callable which further disables lazy imports when they\n"
"would otherwise be enabled. Returns True if the the import is still enabled\n"
"or False to disable it. The callable is called with:\n"
"\n"
"(importing_module_name, imported_module_name, [fromlist])");

#define _IMP_SET_LAZY_IMPORTS_METHODDEF    \
    {"set_lazy_imports", _PyCFunction_CAST(_imp_set_lazy_imports), METH_FASTCALL|METH_KEYWORDS, _imp_set_lazy_imports__doc__},

static PyObject *
_imp_set_lazy_imports_impl(PyObject *module, PyObject *enabled,
                           PyObject *filter);

static PyObject *
_imp_set_lazy_imports(PyObject *module, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
{
    PyObject *return_value = NULL;
    #if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)

    #define NUM_KEYWORDS 1
    static struct {
        PyGC_Head _this_is_not_used;
        PyObject_VAR_HEAD
        Py_hash_t ob_hash;
        PyObject *ob_item[NUM_KEYWORDS];
    } _kwtuple = {
        .ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
        .ob_hash = -1,
        .ob_item = { &_Py_ID(filter), },
    };
    #undef NUM_KEYWORDS
    #define KWTUPLE (&_kwtuple.ob_base.ob_base)

    #else  // !Py_BUILD_CORE
    #  define KWTUPLE NULL
    #endif  // !Py_BUILD_CORE

    static const char * const _keywords[] = {"", "filter", NULL};
    static _PyArg_Parser _parser = {
        .keywords = _keywords,
        .fname = "set_lazy_imports",
        .kwtuple = KWTUPLE,
    };
    #undef KWTUPLE
    PyObject *argsbuf[2];
    Py_ssize_t noptargs = nargs + (kwnames ? PyTuple_GET_SIZE(kwnames) : 0) - 0;
    PyObject *enabled = Py_None;
    PyObject *filter = NULL;

    args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser,
            /*minpos*/ 0, /*maxpos*/ 2, /*minkw*/ 0, /*varpos*/ 0, argsbuf);
    if (!args) {
        goto exit;
    }
    if (nargs < 1) {
        goto skip_optional_posonly;
    }
    noptargs--;
    enabled = args[0];
skip_optional_posonly:
    if (!noptargs) {
        goto skip_optional_pos;
    }
    filter = args[1];
skip_optional_pos:
    return_value = _imp_set_lazy_imports_impl(module, enabled, filter);

exit:
    return return_value;
}

#ifndef _IMP_CREATE_DYNAMIC_METHODDEF
    #define _IMP_CREATE_DYNAMIC_METHODDEF
#endif /* !defined(_IMP_CREATE_DYNAMIC_METHODDEF) */

#ifndef _IMP_EXEC_DYNAMIC_METHODDEF
    #define _IMP_EXEC_DYNAMIC_METHODDEF
#endif /* !defined(_IMP_EXEC_DYNAMIC_METHODDEF) */
/*[clinic end generated code: output=2c52abee5d118061 input=a9049054013a1b77]*/