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circuitpython/cc3200/mods/moduos.c

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/*
* This file is part of the Micro Python project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2013, 2014 Damien P. George
* Copyright (c) 2015 Daniel Campora
*
* 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 <stdint.h>
#include <string.h>
#include "py/mpstate.h"
#include "py/nlr.h"
#include "py/objtuple.h"
#include "py/objstr.h"
#include "py/runtime.h"
#include "genhdr/mpversion.h"
#include "moduos.h"
#include "diskio.h"
#include "sflash_diskio.h"
#include "file.h"
#include "random.h"
#include "mpexception.h"
#include "version.h"
#include "timeutils.h"
#include "pybsd.h"
#include "pybuart.h"
/// \module os - basic "operating system" services
///
/// The `os` module contains functions for filesystem access and `urandom`.
///
/// The filesystem has `/` as the root directory, and the available physical
/// drives are accessible from here. They are currently:
///
/// /flash -- the serial flash filesystem
///
/// On boot up, the current directory is `/flash`.
/******************************************************************************
DECLARE PRIVATE DATA
******************************************************************************/
STATIC uint32_t os_num_mounted_devices;
STATIC os_term_dup_obj_t os_term_dup_obj;
/******************************************************************************
DECLARE PRIVATE FUNCTIONS
******************************************************************************/
STATIC void unmount (os_fs_mount_t *mount_obj);
STATIC bool path_equal(const char *path, const char *path_canonical);
STATIC void append_dir_item (mp_obj_t dirlist, const char *item, bool string);
STATIC void mount (mp_obj_t device, const char *path, uint pathlen, bool readonly);
/******************************************************************************
DEFINE PUBLIC FUNCTIONS
******************************************************************************/
void moduos_init0 (void) {
// initialize the mount objects list
mp_obj_list_init(&MP_STATE_PORT(mount_obj_list), 0);
os_num_mounted_devices = 0;
}
os_fs_mount_t *osmount_find_by_path (const char *path) {
for (mp_uint_t i = 0; i < MP_STATE_PORT(mount_obj_list).len; i++) {
os_fs_mount_t *mount_obj = ((os_fs_mount_t *)(MP_STATE_PORT(mount_obj_list).items[i]));
if (!strcmp(path, mount_obj->path)) {
return mount_obj;
}
}
return NULL;
}
os_fs_mount_t *osmount_find_by_volume (uint8_t vol) {
for (mp_uint_t i = 0; i < MP_STATE_PORT(mount_obj_list).len; i++) {
os_fs_mount_t *mount_obj = ((os_fs_mount_t *)(MP_STATE_PORT(mount_obj_list).items[i]));
if (vol == mount_obj->vol) {
return mount_obj;
}
}
return NULL;
}
os_fs_mount_t *osmount_find_by_device (mp_obj_t device) {
for (mp_uint_t i = 0; i < MP_STATE_PORT(mount_obj_list).len; i++) {
os_fs_mount_t *mount_obj = ((os_fs_mount_t *)(MP_STATE_PORT(mount_obj_list).items[i]));
if (device == mount_obj->device) {
return mount_obj;
}
}
return NULL;
}
void osmount_unmount_all (void) {
for (mp_uint_t i = 0; i < MP_STATE_PORT(mount_obj_list).len; i++) {
os_fs_mount_t *mount_obj = ((os_fs_mount_t *)(MP_STATE_PORT(mount_obj_list).items[i]));
unmount(mount_obj);
}
}
/******************************************************************************
DEFINE PRIVATE FUNCTIONS
******************************************************************************/
// Checks for path equality, ignoring trailing slashes:
// path_equal(/, /) -> true
// path_equal(/flash//, /flash) -> true
// second argument must be in canonical form (meaning no trailing slash, unless it's just /)
STATIC bool path_equal(const char *path, const char *path_canonical) {
for (; *path_canonical != '\0' && *path == *path_canonical; ++path, ++path_canonical) {
}
if (*path_canonical != '\0') {
return false;
}
for (; *path == '/'; ++path) {
}
return *path == '\0';
}
STATIC void append_dir_item (mp_obj_t dirlist, const char *item, bool string) {
// make a string object for this entry
mp_obj_t entry_o;
if (string) {
entry_o = mp_obj_new_str(item, strlen(item), false);
} else {
entry_o = mp_obj_new_bytes((const byte*)item, strlen(item));
}
// add the entry to the list
mp_obj_list_append(dirlist, entry_o);
}
STATIC void mount (mp_obj_t device, const char *path, uint pathlen, bool readonly) {
// is the mount point already in use?
FILINFO fno;
#if _USE_LFN
fno.lfname = NULL;
fno.lfsize = 0;
#endif
// cannot mount twice or on existing paths
if (f_stat(path, &fno) == FR_OK || osmount_find_by_device(device)) {
nlr_raise(mp_obj_new_exception_msg(&mp_type_OSError, mpexception_os_request_not_possible));
}
// create a new object
os_fs_mount_t *self = m_new_obj(os_fs_mount_t);
self->device = device;
self->path = path;
self->pathlen = pathlen;
self->vol = os_num_mounted_devices + 1; // '/flash' is volume 0
if (device == (mp_obj_t)&pybsd_obj) {
// need to make it different to NULL, otherwise it's read only by default
self->writeblocks[0] = mp_const_none;
self->sync[0] = MP_OBJ_NULL; // no need to sync the SD card
self->count[0] = MP_OBJ_NULL;
} else {
// load block protocol methods
mp_load_method(device, MP_QSTR_readblocks, self->readblocks);
mp_load_method_maybe(device, MP_QSTR_writeblocks, self->writeblocks);
mp_load_method_maybe(device, MP_QSTR_sync, self->sync);
mp_load_method(device, MP_QSTR_count, self->count);
}
// Read-only device indicated by writeblocks[0] == MP_OBJ_NULL.
// User can specify read-only device by:
// 1. readonly=True keyword argument
// 2. nonexistent writeblocks method (then writeblocks[0] == MP_OBJ_NULL already)
if (readonly) {
self->writeblocks[0] = MP_OBJ_NULL;
}
// we need to add it before doing the actual mount, so that the volume can be found
mp_obj_list_append(&MP_STATE_PORT(mount_obj_list), self);
// actually mount it
if (f_mount(&self->fatfs, self->path, 1) != FR_OK) {
// remove it and raise
mp_obj_list_remove(&MP_STATE_PORT(mount_obj_list), self);
nlr_raise(mp_obj_new_exception_msg(&mp_type_OSError, mpexception_os_operation_failed));
}
// mount succeeded, increment the count
os_num_mounted_devices++;
}
STATIC void unmount (os_fs_mount_t *mount_obj) {
// remove it from the list and then call FatFs
f_mount (NULL, mount_obj->path, 1);
mp_obj_list_remove(&MP_STATE_PORT(mount_obj_list), mount_obj);
os_num_mounted_devices--;
}
/******************************************************************************/
// Micro Python bindings
//
STATIC const qstr os_uname_info_fields[] = {
MP_QSTR_sysname, MP_QSTR_nodename,
MP_QSTR_release, MP_QSTR_version, MP_QSTR_machine
};
STATIC const MP_DEFINE_STR_OBJ(os_uname_info_sysname_obj, MICROPY_PY_SYS_PLATFORM);
STATIC const MP_DEFINE_STR_OBJ(os_uname_info_nodename_obj, MICROPY_PY_SYS_PLATFORM);
STATIC const MP_DEFINE_STR_OBJ(os_uname_info_release_obj, WIPY_SW_VERSION_NUMBER);
STATIC const MP_DEFINE_STR_OBJ(os_uname_info_version_obj, MICROPY_GIT_TAG " on " MICROPY_BUILD_DATE);
STATIC const MP_DEFINE_STR_OBJ(os_uname_info_machine_obj, MICROPY_HW_BOARD_NAME " with " MICROPY_HW_MCU_NAME);
STATIC MP_DEFINE_ATTRTUPLE(
os_uname_info_obj,
os_uname_info_fields,
5,
(mp_obj_t)&os_uname_info_sysname_obj,
(mp_obj_t)&os_uname_info_nodename_obj,
(mp_obj_t)&os_uname_info_release_obj,
(mp_obj_t)&os_uname_info_version_obj,
(mp_obj_t)&os_uname_info_machine_obj
);
STATIC mp_obj_t os_uname(void) {
return (mp_obj_t)&os_uname_info_obj;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_0(os_uname_obj, os_uname);
/// \function chdir(path)
/// Change current directory.
STATIC mp_obj_t os_chdir(mp_obj_t path_in) {
const char *path;
path = mp_obj_str_get_str(path_in);
FRESULT res = f_chdrive(path);
if (res == FR_OK) {
res = f_chdir(path);
}
if (res != FR_OK) {
nlr_raise(mp_obj_new_exception_msg(&mp_type_OSError, mpexception_os_operation_failed));
}
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(os_chdir_obj, os_chdir);
STATIC mp_obj_t os_getcwd(void) {
char buf[MICROPY_ALLOC_PATH_MAX + 1];
FRESULT res = f_getcwd(buf, sizeof buf);
if (res != FR_OK) {
nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_OSError, MP_OBJ_NEW_SMALL_INT(fresult_to_errno_table[res])));
}
return mp_obj_new_str(buf, strlen(buf), false);
}
STATIC MP_DEFINE_CONST_FUN_OBJ_0(os_getcwd_obj, os_getcwd);
STATIC mp_obj_t os_listdir(mp_uint_t n_args, const mp_obj_t *args) {
bool is_str_type = true;
const char *path;
mp_obj_t dir_list = mp_obj_new_list(0, NULL);
if (n_args == 1) {
if (mp_obj_get_type(args[0]) == &mp_type_bytes) {
is_str_type = false;
}
path = mp_obj_str_get_str(args[0]);
} else {
path = "";
}
// "hack" to list the root directory
if (path[0] == '/' && path[1] == '\0') {
// add 'flash' to the list
append_dir_item (dir_list, "flash", is_str_type);
for (mp_uint_t i = 0; i < MP_STATE_PORT(mount_obj_list).len; i++) {
os_fs_mount_t *mount_obj = ((os_fs_mount_t *)(MP_STATE_PORT(mount_obj_list).items[i]));
append_dir_item (dir_list, &mount_obj->path[1], is_str_type);
}
} else {
FRESULT res;
DIR dir;
FILINFO fno;
#if _USE_LFN
char lfn_buf[_MAX_LFN + 1];
fno.lfname = lfn_buf;
fno.lfsize = sizeof(lfn_buf);
#endif
res = f_opendir(&dir, path); /* Open the directory */
if (res != FR_OK) {
nlr_raise(mp_obj_new_exception_msg(&mp_type_OSError, mpexception_os_operation_failed));
}
for ( ; ; ) {
res = f_readdir(&dir, &fno); /* Read a directory item */
if (res != FR_OK || fno.fname[0] == 0) break; /* Break on error or end of dir */
if (fno.fname[0] == '.' && fno.fname[1] == 0) continue; /* Ignore . entry */
if (fno.fname[0] == '.' && fno.fname[1] == '.' && fno.fname[2] == 0) continue; /* Ignore .. entry */
#if _USE_LFN
char *fn = *fno.lfname ? fno.lfname : fno.fname;
#else
char *fn = fno.fname;
#endif
// add the entry to the list
append_dir_item (dir_list, fn, is_str_type);
}
f_closedir(&dir);
}
return dir_list;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(os_listdir_obj, 0, 1, os_listdir);
STATIC mp_obj_t os_mkdir(mp_obj_t path_o) {
const char *path = mp_obj_str_get_str(path_o);
FRESULT res = f_mkdir(path);
switch (res) {
case FR_OK:
return mp_const_none;
case FR_EXIST:
nlr_raise(mp_obj_new_exception_msg(&mp_type_OSError, mpexception_os_request_not_possible));
break;
default:
nlr_raise(mp_obj_new_exception_msg(&mp_type_OSError, mpexception_os_operation_failed));
}
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(os_mkdir_obj, os_mkdir);
STATIC mp_obj_t os_rename(mp_obj_t path_in, mp_obj_t path_out) {
const char *old_path = mp_obj_str_get_str(path_in);
const char *new_path = mp_obj_str_get_str(path_out);
FRESULT res = f_rename(old_path, new_path);
switch (res) {
case FR_OK:
return mp_const_none;
default:
nlr_raise(mp_obj_new_exception_msg(&mp_type_OSError, mpexception_os_operation_failed));
}
}
STATIC MP_DEFINE_CONST_FUN_OBJ_2(os_rename_obj, os_rename);
STATIC mp_obj_t os_remove(mp_obj_t path_o) {
const char *path = mp_obj_str_get_str(path_o);
FRESULT res = f_unlink(path);
switch (res) {
case FR_OK:
return mp_const_none;
default:
nlr_raise(mp_obj_new_exception_msg(&mp_type_OSError, mpexception_os_operation_failed));
}
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(os_remove_obj, os_remove);
STATIC mp_obj_t os_stat(mp_obj_t path_in) {
const char *path = mp_obj_str_get_str(path_in);
bool isbuilt_in = false;
FILINFO fno;
FRESULT res;
#if _USE_LFN
fno.lfname = NULL;
fno.lfsize = 0;
#endif
// check on the user mounted devices
for (mp_uint_t i = 0; i < MP_STATE_PORT(mount_obj_list).len; i++) {
os_fs_mount_t *mount_obj = ((os_fs_mount_t *)(MP_STATE_PORT(mount_obj_list).items[i]));
if (path_equal(path, mount_obj->path)) {
isbuilt_in = true;
break;
}
}
if (path_equal(path, "/") || path_equal(path, "/flash") || isbuilt_in) {
// stat built-in directory
fno.fsize = 0;
fno.fdate = 0;
fno.ftime = 0;
fno.fattrib = AM_DIR;
} else if ((res = f_stat(path, &fno)) != FR_OK) {
nlr_raise(mp_obj_new_exception_arg1(&mp_type_OSError, MP_OBJ_NEW_SMALL_INT(fresult_to_errno_table[res])));
}
mp_obj_tuple_t *t = mp_obj_new_tuple(10, NULL);
mp_int_t mode = 0;
if (fno.fattrib & AM_DIR) {
mode |= 0x4000; // stat.S_IFDIR
} else {
mode |= 0x8000; // stat.S_IFREG
}
mp_int_t seconds = timeutils_seconds_since_2000(
1980 + ((fno.fdate >> 9) & 0x7f),
(fno.fdate >> 5) & 0x0f,
fno.fdate & 0x1f,
(fno.ftime >> 11) & 0x1f,
(fno.ftime >> 5) & 0x3f,
2 * (fno.ftime & 0x1f)
);
t->items[0] = mp_obj_new_int(mode); // st_mode
t->items[1] = MP_OBJ_NEW_SMALL_INT(0); // st_ino
t->items[2] = MP_OBJ_NEW_SMALL_INT(0); // st_dev
t->items[3] = MP_OBJ_NEW_SMALL_INT(0); // st_nlink
t->items[4] = MP_OBJ_NEW_SMALL_INT(0); // st_uid
t->items[5] = MP_OBJ_NEW_SMALL_INT(0); // st_gid
t->items[6] = mp_obj_new_int(fno.fsize); // st_size
t->items[7] = mp_obj_new_int(seconds); // st_atime
t->items[8] = t->items[7]; // st_mtime
t->items[9] = t->items[7]; // st_ctime
return t;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(os_stat_obj, os_stat);
STATIC mp_obj_t os_sync(void) {
sflash_disk_flush();
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_0(os_sync_obj, os_sync);
STATIC mp_obj_t os_urandom(mp_obj_t num) {
mp_int_t n = mp_obj_get_int(num);
vstr_t vstr;
vstr_init_len(&vstr, n);
for (int i = 0; i < n; i++) {
vstr.buf[i] = rng_get();
}
return mp_obj_new_str_from_vstr(&mp_type_bytes, &vstr);
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(os_urandom_obj, os_urandom);
STATIC mp_obj_t os_mount(mp_uint_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
static const mp_arg_t mount_args[] = {
{ MP_QSTR_readonly, MP_ARG_KW_ONLY | MP_ARG_BOOL, {.u_bool = false} },
};
// parse args
mp_obj_t device = pos_args[0];
mp_obj_t mount_point = pos_args[1];
mp_arg_val_t args[MP_ARRAY_SIZE(mount_args)];
mp_arg_parse_all(n_args - 2, pos_args + 2, kw_args, MP_ARRAY_SIZE(mount_args), mount_args, args);
// get the mount point
mp_uint_t pathlen;
const char *path_in = mp_obj_str_get_data(mount_point, &pathlen);
if (pathlen == 0) {
goto invalid_args;
}
char *path = m_new(char, pathlen + 1);
memcpy(path, path_in, pathlen);
path[pathlen] = '\0';
// "remove" any extra slahes at the end
while (path[(pathlen - 1)] == '/') {
path[--pathlen] = '\0';
}
// is the mount point valid?
if (pathlen < 2 || path[0] !='/' || strchr(&path[1], '/')) {
goto invalid_args;
}
// now mount it
mount(device, path, pathlen, args[0].u_bool);
return mp_const_none;
invalid_args:
nlr_raise(mp_obj_new_exception_msg(&mp_type_OSError, mpexception_value_invalid_arguments));
}
MP_DEFINE_CONST_FUN_OBJ_KW(os_mount_obj, 2, os_mount);
STATIC mp_obj_t os_unmount(mp_obj_t path_o) {
const char *path = mp_obj_str_get_str(path_o);
// '/flash' cannot be unmounted, also not the current working directory
if (path_equal(path, "/flash")) {
nlr_raise(mp_obj_new_exception_msg(&mp_type_OSError, mpexception_os_request_not_possible));
}
// now unmount it
os_fs_mount_t *mount_obj;
if ((mount_obj = osmount_find_by_path(path))) {
unmount (mount_obj);
} else {
nlr_raise(mp_obj_new_exception_msg(&mp_type_ValueError, mpexception_value_invalid_arguments));
}
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(os_unmount_obj, os_unmount);
STATIC mp_obj_t os_mkfs(mp_obj_t device) {
const char *path = "/__mkfs__mnt__";
os_fs_mount_t *mount_obj = NULL;
bool unmt = false;
FRESULT res;
if (MP_OBJ_IS_STR_OR_BYTES(device)) {
path = mp_obj_str_get_str(device);
// otherwise the relative path check will pass...
if (path[0] != '/') {
nlr_raise(mp_obj_new_exception_msg(&mp_type_OSError, mpexception_value_invalid_arguments));
}
} else {
// mount it briefly
mount(device, path, strlen(path), false);
unmt = true;
}
byte sfd = 0;
if (!memcmp(path, "/flash", strlen("/flash"))) {
sfd = 1;
} else if ((mount_obj = osmount_find_by_path(path))) {
if (mount_obj->device != (mp_obj_t)&pybsd_obj &&
mp_obj_get_int(mp_call_method_n_kw(0, 0, mount_obj->count)) < 2048) {
sfd = 1;
}
}
// now format the device
res = f_mkfs(path, sfd, 0);
if (unmt && mount_obj) {
unmount (mount_obj);
}
if (res != FR_OK) {
nlr_raise(mp_obj_new_exception_msg(&mp_type_OSError, mpexception_os_operation_failed));
}
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(os_mkfs_obj, os_mkfs);
STATIC mp_obj_t os_dupterm(uint n_args, const mp_obj_t *args) {
if (n_args == 0) {
if (MP_STATE_PORT(os_term_dup_obj) == MP_OBJ_NULL) {
return mp_const_none;
} else {
return MP_STATE_PORT(os_term_dup_obj)->stream_o;
}
} else {
mp_obj_t stream_o = args[0];
if (stream_o == mp_const_none) {
MP_STATE_PORT(os_term_dup_obj) = MP_OBJ_NULL;
} else {
if (!MP_OBJ_IS_TYPE(stream_o, &pyb_uart_type)) {
// must be a stream-like object providing at least read and write methods
mp_load_method(stream_o, MP_QSTR_read, os_term_dup_obj.read);
mp_load_method(stream_o, MP_QSTR_write, os_term_dup_obj.write);
}
os_term_dup_obj.stream_o = stream_o;
MP_STATE_PORT(os_term_dup_obj) = &os_term_dup_obj;
}
return mp_const_none;
}
}
STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(os_dupterm_obj, 0, 1, os_dupterm);
STATIC const mp_map_elem_t os_module_globals_table[] = {
{ MP_OBJ_NEW_QSTR(MP_QSTR___name__), MP_OBJ_NEW_QSTR(MP_QSTR_uos) },
{ MP_OBJ_NEW_QSTR(MP_QSTR_uname), (mp_obj_t)&os_uname_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_chdir), (mp_obj_t)&os_chdir_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_getcwd), (mp_obj_t)&os_getcwd_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_listdir), (mp_obj_t)&os_listdir_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_mkdir), (mp_obj_t)&os_mkdir_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_rename), (mp_obj_t)&os_rename_obj},
{ MP_OBJ_NEW_QSTR(MP_QSTR_remove), (mp_obj_t)&os_remove_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_rmdir), (mp_obj_t)&os_remove_obj }, // rmdir aliases to remove
{ MP_OBJ_NEW_QSTR(MP_QSTR_stat), (mp_obj_t)&os_stat_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_unlink), (mp_obj_t)&os_remove_obj }, // unlink aliases to remove
{ MP_OBJ_NEW_QSTR(MP_QSTR_sync), (mp_obj_t)&os_sync_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_urandom), (mp_obj_t)&os_urandom_obj },
// MicroPython additions
{ MP_OBJ_NEW_QSTR(MP_QSTR_mount), (mp_obj_t)&os_mount_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_unmount), (mp_obj_t)&os_unmount_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_mkfs), (mp_obj_t)&os_mkfs_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_dupterm), (mp_obj_t)&os_dupterm_obj },
/// \constant sep - separation character used in paths
{ MP_OBJ_NEW_QSTR(MP_QSTR_sep), MP_OBJ_NEW_QSTR(MP_QSTR__slash_) },
};
STATIC MP_DEFINE_CONST_DICT(os_module_globals, os_module_globals_table);
const mp_obj_module_t mp_module_uos = {
.base = { &mp_type_module },
.name = MP_QSTR_uos,
.globals = (mp_obj_dict_t*)&os_module_globals,
};
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