modsys.c

/*
 * This file is part of the Micro Python project, http://micropython.org/
 *
 * The MIT License (MIT)
 *
 * Copyright (c) 2013, 2014 Damien P. George
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

#include "py/mpstate.h"
#include "py/nlr.h"
#include "py/builtin.h"
#include "py/objlist.h"
#include "py/objtuple.h"
#include "py/objstr.h"
#include "py/objint.h"
#include "py/stream.h"

#if MICROPY_PY_SYS

#include "genhdr/mpversion.h"

/// \module sys - system specific functions

// defined per port; type of these is irrelevant, just need pointer
extern struct _mp_dummy_t mp_sys_stdin_obj;
extern struct _mp_dummy_t mp_sys_stdout_obj;
extern struct _mp_dummy_t mp_sys_stderr_obj;

#if MICROPY_PY_IO
const mp_print_t mp_sys_stdout_print = {&mp_sys_stdout_obj, (mp_print_strn_t)mp_stream_write};
#endif

/// \constant version - Python language version that this implementation conforms to, as a string
STATIC const MP_DEFINE_STR_OBJ(version_obj, "3.4.0");

/// \constant version_info - Python language version that this implementation conforms to, as a tuple of ints
#define I(n) MP_OBJ_NEW_SMALL_INT(n)
// TODO: CPython is now at 5-element array, but save 2 els so far...
STATIC const mp_obj_tuple_t mp_sys_version_info_obj = {{&mp_type_tuple}, 3, {I(3), I(4), I(0)}};

// sys.implementation object
// this holds the MicroPython version
STATIC const mp_obj_tuple_t mp_sys_implementation_version_info_obj = {
    {&mp_type_tuple},
    3,
    { I(MICROPY_VERSION_MAJOR), I(MICROPY_VERSION_MINOR), I(MICROPY_VERSION_MICRO) }
};
#if MICROPY_PY_ATTRTUPLE
STATIC const qstr impl_fields[] = { MP_QSTR_name, MP_QSTR_version };
STATIC MP_DEFINE_ATTRTUPLE(
    mp_sys_implementation_obj,
    impl_fields,