d45e5f8c35
If an OSError is raised with an integer argument, and that integer corresponds to an errno, then the string for the errno is used as the argument to the exception, instead of the integer. Only works if the uerrno module is enabled.
102 lines
3.1 KiB
C
102 lines
3.1 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) 2016 Damien P. George
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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 <assert.h>
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#include <string.h>
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#include "py/obj.h"
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#include "py/mperrno.h"
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#if MICROPY_PY_UERRNO
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// This list could be defined per port in mpconfigport.h to tailor it to a
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// specific port's needs. But for now we have a common list.
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#define ERRNO_LIST \
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X(EPERM) \
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X(ENOENT) \
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X(EIO) \
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X(EBADF) \
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X(EAGAIN) \
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X(ENOMEM) \
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X(ENODEV) \
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X(EINVAL) \
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X(EOPNOTSUPP) \
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X(EADDRINUSE) \
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X(ECONNABORTED) \
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X(ECONNRESET) \
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X(ENOBUFS) \
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X(ENOTCONN) \
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X(ETIMEDOUT) \
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X(EHOSTUNREACH) \
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X(EALREADY) \
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X(EINPROGRESS) \
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STATIC const mp_rom_map_elem_t errorcode_table[] = {
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#define X(e) { MP_ROM_INT(MP_ ## e), MP_ROM_QSTR(MP_QSTR_## e) },
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ERRNO_LIST
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#undef X
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};
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STATIC const mp_obj_dict_t errorcode_dict = {
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.base = {&mp_type_dict},
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.map = {
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.all_keys_are_qstrs = 0, // keys are integers
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.is_fixed = 1,
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.is_ordered = 1,
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.used = MP_ARRAY_SIZE(errorcode_table),
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.alloc = MP_ARRAY_SIZE(errorcode_table),
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.table = (mp_map_elem_t*)(mp_rom_map_elem_t*)errorcode_table,
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},
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};
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STATIC const mp_rom_map_elem_t mp_module_uerrno_globals_table[] = {
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{ MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_uerrno) },
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{ MP_ROM_QSTR(MP_QSTR_errorcode), MP_ROM_PTR(&errorcode_dict) },
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#define X(e) { MP_ROM_QSTR(MP_QSTR_## e), MP_ROM_INT(MP_ ## e) },
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ERRNO_LIST
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#undef X
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};
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STATIC MP_DEFINE_CONST_DICT(mp_module_uerrno_globals, mp_module_uerrno_globals_table);
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const mp_obj_module_t mp_module_uerrno = {
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.base = { &mp_type_module },
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.name = MP_QSTR_uerrno,
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.globals = (mp_obj_dict_t*)&mp_module_uerrno_globals,
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};
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mp_obj_t mp_errno_to_str(mp_obj_t errno_val) {
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mp_map_elem_t *elem = mp_map_lookup((mp_map_t*)&errorcode_dict.map, errno_val, MP_MAP_LOOKUP);
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if (elem == NULL) {
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return errno_val;
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} else {
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return elem->value;
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}
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}
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#endif //MICROPY_PY_UERRNO
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