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Copy pathmodos.c
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238 lines (206 loc) · 7.63 KB
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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) 2014 Paul Sokolovsky
*
* 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 <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <dirent.h>
#include "py/mpconfig.h"
#include "py/nlr.h"
#include "py/runtime.h"
#include "py/objtuple.h"
#ifdef __ANDROID__
#define USE_STATFS 1
#endif
#define RAISE_ERRNO(err_flag, error_val) \
{ if (err_flag == -1) \
{ nlr_raise(mp_obj_new_exception_arg1(&mp_type_OSError, MP_OBJ_NEW_SMALL_INT(error_val))); } }
STATIC mp_obj_t mod_os_stat(mp_obj_t path_in) {
struct stat sb;
mp_uint_t len;
const char *path = mp_obj_str_get_data(path_in, &len);
int res = stat(path, &sb);
RAISE_ERRNO(res, errno);
mp_obj_tuple_t *t = MP_OBJ_TO_PTR(mp_obj_new_tuple(10, NULL));
t->items[0] = MP_OBJ_NEW_SMALL_INT(sb.st_mode);
t->items[1] = MP_OBJ_NEW_SMALL_INT(sb.st_ino);
t->items[2] = MP_OBJ_NEW_SMALL_INT(sb.st_dev);
t->items[3] = MP_OBJ_NEW_SMALL_INT(sb.st_nlink);
t->items[4] = MP_OBJ_NEW_SMALL_INT(sb.st_uid);
t->items[5] = MP_OBJ_NEW_SMALL_INT(sb.st_gid);
t->items[6] = MP_OBJ_NEW_SMALL_INT(sb.st_size);
t->items[7] = MP_OBJ_NEW_SMALL_INT(sb.st_atime);
t->items[8] = MP_OBJ_NEW_SMALL_INT(sb.st_mtime);
t->items[9] = MP_OBJ_NEW_SMALL_INT(sb.st_ctime);
return MP_OBJ_FROM_PTR(t);
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(mod_os_stat_obj, mod_os_stat);
#if MICROPY_PY_OS_STATVFS
#if USE_STATFS
#include <sys/vfs.h>
#define STRUCT_STATVFS struct statfs
#define STATVFS statfs
#define F_FAVAIL sb.f_ffree
#define F_NAMEMAX sb.f_namelen
#define F_FLAG sb.f_flags
#else
#include <sys/statvfs.h>
#define STRUCT_STATVFS struct statvfs
#define STATVFS statvfs
#define F_FAVAIL sb.f_favail
#define F_NAMEMAX sb.f_namemax
#define F_FLAG sb.f_flag
#endif
STATIC mp_obj_t mod_os_statvfs(mp_obj_t path_in) {
STRUCT_STATVFS sb;
mp_uint_t len;
const char *path = mp_obj_str_get_data(path_in, &len);
int res = STATVFS(path, &sb);
RAISE_ERRNO(res, errno);
mp_obj_tuple_t *t = MP_OBJ_TO_PTR(mp_obj_new_tuple(10, NULL));
t->items[0] = MP_OBJ_NEW_SMALL_INT(sb.f_bsize);
t->items[1] = MP_OBJ_NEW_SMALL_INT(sb.f_frsize);
t->items[2] = MP_OBJ_NEW_SMALL_INT(sb.f_blocks);
t->items[3] = MP_OBJ_NEW_SMALL_INT(sb.f_bfree);
t->items[4] = MP_OBJ_NEW_SMALL_INT(sb.f_bavail);
t->items[5] = MP_OBJ_NEW_SMALL_INT(sb.f_files);
t->items[6] = MP_OBJ_NEW_SMALL_INT(sb.f_ffree);
t->items[7] = MP_OBJ_NEW_SMALL_INT(F_FAVAIL);
t->items[8] = MP_OBJ_NEW_SMALL_INT(F_FLAG);
t->items[9] = MP_OBJ_NEW_SMALL_INT(F_NAMEMAX);
return MP_OBJ_FROM_PTR(t);
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(mod_os_statvfs_obj, mod_os_statvfs);
#endif
STATIC mp_obj_t mod_os_unlink(mp_obj_t path_in) {
mp_uint_t len;
const char *path = mp_obj_str_get_data(path_in, &len);
int r = unlink(path);
RAISE_ERRNO(r, errno);
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(mod_os_unlink_obj, mod_os_unlink);
STATIC mp_obj_t mod_os_system(mp_obj_t cmd_in) {
const char *cmd = mp_obj_str_get_str(cmd_in);
int r = system(cmd);
RAISE_ERRNO(r, errno);
return MP_OBJ_NEW_SMALL_INT(r);
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(mod_os_system_obj, mod_os_system);
STATIC mp_obj_t mod_os_getenv(mp_obj_t var_in) {
const char *s = getenv(mp_obj_str_get_str(var_in));
if (s == NULL) {
return mp_const_none;
}
return mp_obj_new_str(s, strlen(s), false);
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(mod_os_getenv_obj, mod_os_getenv);
STATIC mp_obj_t mod_os_mkdir(mp_obj_t path_in) {
// TODO: Accept mode param
const char *path = mp_obj_str_get_str(path_in);
#ifdef _WIN32
int r = mkdir(path);
#else
int r = mkdir(path, 0777);
#endif
RAISE_ERRNO(r, errno);
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(mod_os_mkdir_obj, mod_os_mkdir);
typedef struct _mp_obj_listdir_t {
mp_obj_base_t base;
mp_fun_1_t iternext;
DIR *dir;
} mp_obj_listdir_t;
STATIC mp_obj_t listdir_next(mp_obj_t self_in) {
mp_obj_listdir_t *self = MP_OBJ_TO_PTR(self_in);
if (self->dir == NULL) {
goto done;
}
struct dirent *dirent = readdir(self->dir);
if (dirent == NULL) {
closedir(self->dir);
self->dir = NULL;
done:
return MP_OBJ_STOP_ITERATION;
}
mp_obj_tuple_t *t = MP_OBJ_TO_PTR(mp_obj_new_tuple(3, NULL));
t->items[0] = mp_obj_new_str(dirent->d_name, strlen(dirent->d_name), false);
#ifdef _DIRENT_HAVE_D_TYPE
t->items[1] = MP_OBJ_NEW_SMALL_INT(dirent->d_type);
#else
// DT_UNKNOWN should have 0 value on any reasonable system
t->items[1] = MP_OBJ_NEW_SMALL_INT(0);
#endif
#ifdef _DIRENT_HAVE_D_INO
t->items[2] = MP_OBJ_NEW_SMALL_INT(dirent->d_ino);
#else
t->items[2] = MP_OBJ_NEW_SMALL_INT(0);
#endif
return MP_OBJ_FROM_PTR(t);
}
STATIC mp_obj_t mod_os_ilistdir(mp_uint_t n_args, const mp_obj_t *args) {
const char *path = ".";
if (n_args > 0) {
path = mp_obj_str_get_str(args[0]);
}
mp_obj_listdir_t *o = m_new_obj(mp_obj_listdir_t);
o->base.type = &mp_type_polymorph_iter;
o->dir = opendir(path);
o->iternext = listdir_next;
return MP_OBJ_FROM_PTR(o);
}
STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(mod_os_ilistdir_obj, 0, 1, mod_os_ilistdir);
STATIC mp_obj_t mod_os_errno(mp_uint_t n_args, const mp_obj_t *args) {
if (n_args == 0) {
return MP_OBJ_NEW_SMALL_INT(errno);
}
errno = mp_obj_get_int(args[0]);
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(mod_os_errno_obj, 0, 1, mod_os_errno);
STATIC const mp_rom_map_elem_t mp_module_os_globals_table[] = {
{ MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_uos) },
{ MP_ROM_QSTR(MP_QSTR_errno), MP_ROM_PTR(&mod_os_errno_obj) },
{ MP_ROM_QSTR(MP_QSTR_stat), MP_ROM_PTR(&mod_os_stat_obj) },
#if MICROPY_PY_OS_STATVFS
{ MP_ROM_QSTR(MP_QSTR_statvfs), MP_ROM_PTR(&mod_os_statvfs_obj) },
#endif
{ MP_ROM_QSTR(MP_QSTR_system), MP_ROM_PTR(&mod_os_system_obj) },
{ MP_ROM_QSTR(MP_QSTR_unlink), MP_ROM_PTR(&mod_os_unlink_obj) },
{ MP_ROM_QSTR(MP_QSTR_getenv), MP_ROM_PTR(&mod_os_getenv_obj) },
{ MP_ROM_QSTR(MP_QSTR_mkdir), MP_ROM_PTR(&mod_os_mkdir_obj) },
{ MP_ROM_QSTR(MP_QSTR_ilistdir), MP_ROM_PTR(&mod_os_ilistdir_obj) },
};
STATIC MP_DEFINE_CONST_DICT(mp_module_os_globals, mp_module_os_globals_table);
const mp_obj_module_t mp_module_os = {
.base = { &mp_type_module },
.name = MP_QSTR_uos,
.globals = (mp_obj_dict_t*)&mp_module_os_globals,
};