113 lines
4.3 KiB
C
113 lines
4.3 KiB
C
/*
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* This file is part of the Micro Python 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) 2023 Scott Shawcroft for Adafruit Industries
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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 <string.h>
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#include "py/mpstate.h"
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#include "py/obj.h"
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#include "py/objstr.h"
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#include "py/runtime.h"
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#include "shared-bindings/warnings/__init__.h"
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//| """Warn about potential code issues.
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//|
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//| This is a slimmed down version of the full CPython module. It defaults to
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//| the "always" action instead of "default", which prints once per occurrence.
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//| Only "error" and "ignore" are also supported. No filtering on category is
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//| available.
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//|
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//| |see_cpython_module| :mod:`cpython:warnings`.
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//|
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//| """
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//|
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//| import typing
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//|
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//| def warn(message: str, category: type = Warning) -> None:
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//| """Issue a warning with an optional category. Use `simplefilter()` to
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//| set if warnings are ignored, printed or raise an exception.
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//|
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//| """
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//| ...
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//|
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STATIC mp_obj_t warnings_warn(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
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enum { ARG_message, ARG_category };
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static const mp_arg_t allowed_args[] = {
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{ MP_QSTR_message, MP_ARG_REQUIRED | MP_ARG_OBJ },
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{ MP_QSTR_category, MP_ARG_OBJ, {.u_obj = MP_OBJ_FROM_PTR(&mp_type_Warning)} },
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};
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mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
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mp_arg_parse_all(n_args, pos_args, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
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mp_obj_t category_obj = args[ARG_category].u_obj;
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if (!mp_obj_is_type(category_obj, &mp_type_type) ||
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!mp_obj_is_subclass_fast(category_obj, MP_OBJ_FROM_PTR(&mp_type_Warning))) {
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mp_raise_TypeError_varg(MP_ERROR_TEXT("%q must be a subclass of %q"), MP_QSTR_category, MP_QSTR_Warning);
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}
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common_hal_warnings_warn(mp_obj_str_get_str(args[ARG_message].u_obj), MP_OBJ_TO_PTR(category_obj));
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return mp_const_none;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_KW(warnings_warn_obj, 1, warnings_warn);
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//| def simplefilter(action: str) -> None:
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//| """Set the action to take on all warnings. This is a subset of the CPython
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//| behavior because it allows for per-category changes."""
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//| ...
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//|
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STATIC mp_obj_t warnings_simplefilter(mp_obj_t action_in) {
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const char *action_str = mp_obj_str_get_str(action_in);
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warnings_action_t action;
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if (strcmp(action_str, "error") == 0) {
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action = WARNINGS_ERROR;
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} else if (strcmp(action_str, "ignore") == 0) {
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action = WARNINGS_IGNORE;
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} else if (strcmp(action_str, "always") == 0) {
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action = WARNINGS_ALWAYS;
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} else {
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mp_raise_ValueError(NULL);
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}
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common_hal_warnings_simplefilter(action);
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return mp_const_none;
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}
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MP_DEFINE_CONST_FUN_OBJ_1(warnings_simplefilter_obj, warnings_simplefilter);
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STATIC const mp_rom_map_elem_t warnings_module_globals_table[] = {
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{ MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_warnings) },
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{ MP_ROM_QSTR(MP_QSTR_warn), MP_ROM_PTR(&warnings_warn_obj) },
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{ MP_ROM_QSTR(MP_QSTR_simplefilter), MP_ROM_PTR(&warnings_simplefilter_obj) },
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};
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STATIC MP_DEFINE_CONST_DICT(warnings_module_globals, warnings_module_globals_table);
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const mp_obj_module_t warnings_module = {
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.base = { &mp_type_module },
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.globals = (mp_obj_dict_t *)&warnings_module_globals,
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};
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MP_REGISTER_MODULE(MP_QSTR_warnings, warnings_module);
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