shared-bindings/locale/__init__.c

// This file is part of the CircuitPython project: https://circuitpython.org
//
// SPDX-FileCopyrightText: Copyright (c) 2023 Jeff Epler for Adafruit Industries
//
// SPDX-License-Identifier: MIT

#include "py/obj.h"
#include "py/objtuple.h"

//| """Locale support module"""
//|
//|
//| def getlocale() -> None:
//|     """Returns the current locale setting as a tuple ``(language code, "utf-8")``
//|
//|     The language code comes from the installed translation of CircuitPython, specifically the "Language:" code specified in the translation metadata.
//|     This can be useful to allow modules coded in Python to show messages in the user's preferred language.
//|
//|     Differences from CPython: No ``LC_*`` argument is permitted.
//|     """
//|
//|
static mp_obj_t getlocale(void) {

    mp_rom_error_text_t locale_msg = MP_ERROR_TEXT("en_US");
    size_t len_with_nul = decompress_length(locale_msg);
    size_t len = len_with_nul - 1;
    char buf[len_with_nul];
    decompress(locale_msg, buf);

    mp_obj_t elements[] = {
        mp_obj_new_str(buf, len),
        MP_OBJ_NEW_QSTR(MP_QSTR_utf_hyphen_8)
    };
    return mp_obj_new_tuple(MP_ARRAY_SIZE(elements), elements);
}
MP_DEFINE_CONST_FUN_OBJ_0(getlocale_obj, getlocale);

static const mp_rom_map_elem_t locale_module_globals_table[] = {
    { MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_locale) },
    { MP_ROM_QSTR(MP_QSTR_getlocale), MP_ROM_PTR(&getlocale_obj) },
};

static MP_DEFINE_CONST_DICT(locale_module_globals, locale_module_globals_table);

const mp_obj_module_t locale_module = {
    .base = { &mp_type_module },
    .globals = (mp_obj_dict_t *)&locale_module_globals,
};

MP_REGISTER_MODULE(MP_QSTR_locale, locale_module);