kopia lustrzana https://github.com/micropython/micropython
235 wiersze
7.5 KiB
C
235 wiersze
7.5 KiB
C
/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2013, 2014 Damien P. George
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* Copyright (c) 2014 Paul Sokolovsky
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include <errno.h>
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#include <stdlib.h>
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#include <string.h>
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#include <dirent.h>
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#include "py/mpconfig.h"
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#include "py/runtime.h"
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#include "py/objtuple.h"
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#include "py/mphal.h"
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#include "extmod/misc.h"
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#ifdef __ANDROID__
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#define USE_STATFS 1
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#endif
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STATIC mp_obj_t mod_os_stat(mp_obj_t path_in) {
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struct stat sb;
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const char *path = mp_obj_str_get_str(path_in);
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int res = stat(path, &sb);
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RAISE_ERRNO(res, errno);
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mp_obj_tuple_t *t = MP_OBJ_TO_PTR(mp_obj_new_tuple(10, NULL));
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t->items[0] = MP_OBJ_NEW_SMALL_INT(sb.st_mode);
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t->items[1] = MP_OBJ_NEW_SMALL_INT(sb.st_ino);
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t->items[2] = MP_OBJ_NEW_SMALL_INT(sb.st_dev);
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t->items[3] = MP_OBJ_NEW_SMALL_INT(sb.st_nlink);
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t->items[4] = MP_OBJ_NEW_SMALL_INT(sb.st_uid);
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t->items[5] = MP_OBJ_NEW_SMALL_INT(sb.st_gid);
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t->items[6] = mp_obj_new_int_from_uint(sb.st_size);
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t->items[7] = MP_OBJ_NEW_SMALL_INT(sb.st_atime);
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t->items[8] = MP_OBJ_NEW_SMALL_INT(sb.st_mtime);
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t->items[9] = MP_OBJ_NEW_SMALL_INT(sb.st_ctime);
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return MP_OBJ_FROM_PTR(t);
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_1(mod_os_stat_obj, mod_os_stat);
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#if MICROPY_PY_OS_STATVFS
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#if USE_STATFS
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#include <sys/vfs.h>
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#define STRUCT_STATVFS struct statfs
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#define STATVFS statfs
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#define F_FAVAIL sb.f_ffree
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#define F_NAMEMAX sb.f_namelen
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#define F_FLAG sb.f_flags
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#else
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#include <sys/statvfs.h>
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#define STRUCT_STATVFS struct statvfs
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#define STATVFS statvfs
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#define F_FAVAIL sb.f_favail
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#define F_NAMEMAX sb.f_namemax
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#define F_FLAG sb.f_flag
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#endif
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STATIC mp_obj_t mod_os_statvfs(mp_obj_t path_in) {
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STRUCT_STATVFS sb;
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const char *path = mp_obj_str_get_str(path_in);
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int res = STATVFS(path, &sb);
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RAISE_ERRNO(res, errno);
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mp_obj_tuple_t *t = MP_OBJ_TO_PTR(mp_obj_new_tuple(10, NULL));
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t->items[0] = MP_OBJ_NEW_SMALL_INT(sb.f_bsize);
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t->items[1] = MP_OBJ_NEW_SMALL_INT(sb.f_frsize);
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t->items[2] = MP_OBJ_NEW_SMALL_INT(sb.f_blocks);
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t->items[3] = MP_OBJ_NEW_SMALL_INT(sb.f_bfree);
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t->items[4] = MP_OBJ_NEW_SMALL_INT(sb.f_bavail);
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t->items[5] = MP_OBJ_NEW_SMALL_INT(sb.f_files);
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t->items[6] = MP_OBJ_NEW_SMALL_INT(sb.f_ffree);
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t->items[7] = MP_OBJ_NEW_SMALL_INT(F_FAVAIL);
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t->items[8] = MP_OBJ_NEW_SMALL_INT(F_FLAG);
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t->items[9] = MP_OBJ_NEW_SMALL_INT(F_NAMEMAX);
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return MP_OBJ_FROM_PTR(t);
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_1(mod_os_statvfs_obj, mod_os_statvfs);
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#endif
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STATIC mp_obj_t mod_os_unlink(mp_obj_t path_in) {
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const char *path = mp_obj_str_get_str(path_in);
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int r = unlink(path);
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RAISE_ERRNO(r, errno);
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return mp_const_none;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_1(mod_os_unlink_obj, mod_os_unlink);
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STATIC mp_obj_t mod_os_system(mp_obj_t cmd_in) {
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const char *cmd = mp_obj_str_get_str(cmd_in);
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int r = system(cmd);
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RAISE_ERRNO(r, errno);
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return MP_OBJ_NEW_SMALL_INT(r);
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_1(mod_os_system_obj, mod_os_system);
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STATIC mp_obj_t mod_os_getenv(mp_obj_t var_in) {
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const char *s = getenv(mp_obj_str_get_str(var_in));
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if (s == NULL) {
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return mp_const_none;
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}
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return mp_obj_new_str(s, strlen(s), false);
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_1(mod_os_getenv_obj, mod_os_getenv);
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STATIC mp_obj_t mod_os_mkdir(mp_obj_t path_in) {
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// TODO: Accept mode param
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const char *path = mp_obj_str_get_str(path_in);
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#ifdef _WIN32
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int r = mkdir(path);
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#else
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int r = mkdir(path, 0777);
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#endif
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RAISE_ERRNO(r, errno);
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return mp_const_none;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_1(mod_os_mkdir_obj, mod_os_mkdir);
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typedef struct _mp_obj_listdir_t {
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mp_obj_base_t base;
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mp_fun_1_t iternext;
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DIR *dir;
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} mp_obj_listdir_t;
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STATIC mp_obj_t listdir_next(mp_obj_t self_in) {
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mp_obj_listdir_t *self = MP_OBJ_TO_PTR(self_in);
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if (self->dir == NULL) {
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goto done;
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}
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struct dirent *dirent = readdir(self->dir);
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if (dirent == NULL) {
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closedir(self->dir);
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self->dir = NULL;
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done:
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return MP_OBJ_STOP_ITERATION;
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}
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mp_obj_tuple_t *t = MP_OBJ_TO_PTR(mp_obj_new_tuple(3, NULL));
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t->items[0] = mp_obj_new_str(dirent->d_name, strlen(dirent->d_name), false);
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#ifdef _DIRENT_HAVE_D_TYPE
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t->items[1] = MP_OBJ_NEW_SMALL_INT(dirent->d_type);
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#else
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// DT_UNKNOWN should have 0 value on any reasonable system
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t->items[1] = MP_OBJ_NEW_SMALL_INT(0);
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#endif
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#ifdef _DIRENT_HAVE_D_INO
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t->items[2] = MP_OBJ_NEW_SMALL_INT(dirent->d_ino);
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#else
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t->items[2] = MP_OBJ_NEW_SMALL_INT(0);
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#endif
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return MP_OBJ_FROM_PTR(t);
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}
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STATIC mp_obj_t mod_os_ilistdir(size_t n_args, const mp_obj_t *args) {
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const char *path = ".";
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if (n_args > 0) {
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path = mp_obj_str_get_str(args[0]);
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}
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mp_obj_listdir_t *o = m_new_obj(mp_obj_listdir_t);
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o->base.type = &mp_type_polymorph_iter;
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o->dir = opendir(path);
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o->iternext = listdir_next;
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return MP_OBJ_FROM_PTR(o);
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(mod_os_ilistdir_obj, 0, 1, mod_os_ilistdir);
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STATIC mp_obj_t mod_os_errno(size_t n_args, const mp_obj_t *args) {
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if (n_args == 0) {
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return MP_OBJ_NEW_SMALL_INT(errno);
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}
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errno = mp_obj_get_int(args[0]);
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return mp_const_none;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(mod_os_errno_obj, 0, 1, mod_os_errno);
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STATIC const mp_rom_map_elem_t mp_module_os_globals_table[] = {
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{ MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_uos) },
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{ MP_ROM_QSTR(MP_QSTR_errno), MP_ROM_PTR(&mod_os_errno_obj) },
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{ MP_ROM_QSTR(MP_QSTR_stat), MP_ROM_PTR(&mod_os_stat_obj) },
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#if MICROPY_PY_OS_STATVFS
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{ MP_ROM_QSTR(MP_QSTR_statvfs), MP_ROM_PTR(&mod_os_statvfs_obj) },
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#endif
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{ MP_ROM_QSTR(MP_QSTR_system), MP_ROM_PTR(&mod_os_system_obj) },
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{ MP_ROM_QSTR(MP_QSTR_unlink), MP_ROM_PTR(&mod_os_unlink_obj) },
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{ MP_ROM_QSTR(MP_QSTR_getenv), MP_ROM_PTR(&mod_os_getenv_obj) },
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{ MP_ROM_QSTR(MP_QSTR_mkdir), MP_ROM_PTR(&mod_os_mkdir_obj) },
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{ MP_ROM_QSTR(MP_QSTR_ilistdir), MP_ROM_PTR(&mod_os_ilistdir_obj) },
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#if MICROPY_PY_OS_DUPTERM
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{ MP_ROM_QSTR(MP_QSTR_dupterm), MP_ROM_PTR(&mp_uos_dupterm_obj) },
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#endif
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};
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STATIC MP_DEFINE_CONST_DICT(mp_module_os_globals, mp_module_os_globals_table);
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const mp_obj_module_t mp_module_os = {
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.base = { &mp_type_module },
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.globals = (mp_obj_dict_t*)&mp_module_os_globals,
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};
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