add circuitpython code

1 files changed, 193 insertions, 0 deletions

diff --git a/circuitpython/py/objnamedtuple.c b/circuitpython/py/objnamedtuple.c
new file mode 100644
index 0000000..c970d1a
--- /dev/null
+++ b/circuitpython/py/objnamedtuple.c
@@ -0,0 +1,193 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * SPDX-FileCopyrightText: Copyright (c) 2013, 2014 Damien P. George
+ * SPDX-FileCopyrightText: 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 <string.h>
+
+#include "py/objtuple.h"
+#include "py/runtime.h"
+#include "py/objstr.h"
+#include "py/objnamedtuple.h"
+#include "py/objtype.h"
+
+#include "supervisor/shared/translate.h"
+
+#if MICROPY_PY_COLLECTIONS
+
+size_t mp_obj_namedtuple_find_field(const mp_obj_namedtuple_type_t *type, qstr name) {
+    for (size_t i = 0; i < type->n_fields; i++) {
+        if (type->fields[i] == name) {
+            return i;
+        }
+    }
+    return (size_t)-1;
+}
+
+#if MICROPY_PY_COLLECTIONS_NAMEDTUPLE__ASDICT
+STATIC mp_obj_t namedtuple_asdict(mp_obj_t self_in) {
+    mp_obj_namedtuple_t *self = MP_OBJ_TO_PTR(self_in);
+    const qstr *fields = ((mp_obj_namedtuple_type_t *)self->tuple.base.type)->fields;
+    mp_obj_t dict = mp_obj_new_dict(self->tuple.len);
+    mp_obj_dict_t *dictObj = MP_OBJ_TO_PTR(dict);
+    #if MICROPY_PY_COLLECTIONS_ORDEREDDICT
+    // make it an OrderedDict
+    dictObj->base.type = &mp_type_ordereddict;
+    dictObj->map.is_ordered = 1;
+    #else
+    dictObj->base.type = &mp_type_dict;
+    dictObj->map.is_ordered = 0;
+    #endif
+
+    for (size_t i = 0; i < self->tuple.len; ++i) {
+        mp_obj_dict_store(dict, MP_OBJ_NEW_QSTR(fields[i]), self->tuple.items[i]);
+    }
+    return dict;
+}
+MP_DEFINE_CONST_FUN_OBJ_1(namedtuple_asdict_obj, namedtuple_asdict);
+#endif
+
+void namedtuple_print(const mp_print_t *print, mp_obj_t o_in, mp_print_kind_t kind) {
+    (void)kind;
+    mp_obj_namedtuple_t *o = MP_OBJ_TO_PTR(o_in);
+    mp_printf(print, "%q", o->tuple.base.type->name);
+    const qstr *fields = ((mp_obj_namedtuple_type_t *)o->tuple.base.type)->fields;
+    mp_obj_attrtuple_print_helper(print, fields, &o->tuple);
+}
+
+void namedtuple_attr(mp_obj_t self_in, qstr attr, mp_obj_t *dest) {
+    if (dest[0] == MP_OBJ_NULL) {
+        // load attribute
+        mp_obj_namedtuple_t *self = MP_OBJ_TO_PTR(self_in);
+        #if MICROPY_PY_COLLECTIONS_NAMEDTUPLE__ASDICT
+        if (attr == MP_QSTR__asdict) {
+            dest[0] = MP_OBJ_FROM_PTR(&namedtuple_asdict_obj);
+            dest[1] = self_in;
+            return;
+        }
+        #endif
+        size_t id = mp_obj_namedtuple_find_field((mp_obj_namedtuple_type_t *)self->tuple.base.type, attr);
+        if (id == (size_t)-1) {
+            return;
+        }
+        dest[0] = self->tuple.items[id];
+    } else {
+        // delete/store attribute
+        // provide more detailed error message than we'd get by just returning
+        mp_raise_AttributeError(MP_ERROR_TEXT("can't set attribute"));
+    }
+}
+
+mp_obj_t namedtuple_make_new(const mp_obj_type_t *type_in, size_t n_args, size_t n_kw, const mp_obj_t *args) {
+    const mp_obj_namedtuple_type_t *type = (const mp_obj_namedtuple_type_t *)type_in;
+    size_t num_fields = type->n_fields;
+    if (n_args + n_kw != num_fields) {
+        #if MICROPY_ERROR_REPORTING <= MICROPY_ERROR_REPORTING_TERSE
+        mp_arg_error_terse_mismatch();
+        #elif MICROPY_ERROR_REPORTING == MICROPY_ERROR_REPORTING_NORMAL
+        mp_raise_TypeError_varg(
+            MP_ERROR_TEXT("function takes %d positional arguments but %d were given"),
+            num_fields, n_args + n_kw);
+        #else
+        mp_raise_TypeError_varg(
+            MP_ERROR_TEXT("%q() takes %d positional arguments but %d were given"),
+            type->base.name, num_fields, n_args + n_kw);
+        #endif
+    }
+
+    // Create a tuple and set the type to this namedtuple
+    mp_obj_tuple_t *tuple = MP_OBJ_TO_PTR(mp_obj_new_tuple(num_fields, NULL));
+    tuple->base.type = type_in;
+
+    // Copy the positional args into the first slots of the namedtuple
+    memcpy(&tuple->items[0], args, sizeof(mp_obj_t) * n_args);
+
+    // Fill in the remaining slots with the keyword args
+    memset(&tuple->items[n_args], 0, sizeof(mp_obj_t) * n_kw);
+    for (size_t i = n_args; i < n_args + 2 * n_kw; i += 2) {
+        qstr kw = mp_obj_str_get_qstr(args[i]);
+        size_t id = mp_obj_namedtuple_find_field(type, kw);
+        if (id == (size_t)-1) {
+            #if MICROPY_ERROR_REPORTING <= MICROPY_ERROR_REPORTING_TERSE
+            mp_arg_error_terse_mismatch();
+            #else
+            mp_raise_msg_varg(&mp_type_TypeError, MP_ERROR_TEXT("unexpected keyword argument '%q'"), kw);
+            #endif
+        }
+        if (tuple->items[id] != MP_OBJ_NULL) {
+            #if MICROPY_ERROR_REPORTING <= MICROPY_ERROR_REPORTING_TERSE
+            mp_arg_error_terse_mismatch();
+            #else
+            mp_raise_msg_varg(&mp_type_TypeError,
+                MP_ERROR_TEXT("function got multiple values for argument '%q'"), kw);
+            #endif
+        }
+        tuple->items[id] = args[i + 1];
+    }
+
+    return MP_OBJ_FROM_PTR(tuple);
+}
+
+mp_obj_namedtuple_type_t *mp_obj_new_namedtuple_base(size_t n_fields, mp_obj_t *fields) {
+    mp_obj_namedtuple_type_t *o = m_new_obj_var(mp_obj_namedtuple_type_t, qstr, n_fields);
+    memset(&o->base, 0, sizeof(o->base));
+    o->n_fields = n_fields;
+    for (size_t i = 0; i < n_fields; i++) {
+        o->fields[i] = mp_obj_str_get_qstr(fields[i]);
+    }
+    return o;
+}
+
+STATIC mp_obj_t mp_obj_new_namedtuple_type(qstr name, size_t n_fields, mp_obj_t *fields) {
+    mp_obj_namedtuple_type_t *o = mp_obj_new_namedtuple_base(n_fields, fields);
+    o->base.base.type = &mp_type_type;
+    o->base.flags = MP_TYPE_FLAG_EQ_CHECKS_OTHER_TYPE | MP_TYPE_FLAG_EXTENDED; // can match tuple
+    o->base.name = name;
+    o->base.print = namedtuple_print;
+    o->base.make_new = namedtuple_make_new;
+    o->base.MP_TYPE_UNARY_OP = mp_obj_tuple_unary_op;
+    o->base.MP_TYPE_BINARY_OP = mp_obj_tuple_binary_op;
+    o->base.attr = namedtuple_attr;
+    o->base.MP_TYPE_SUBSCR = mp_obj_tuple_subscr;
+    o->base.MP_TYPE_GETITER = mp_obj_tuple_getiter;
+    o->base.parent = &mp_type_tuple;
+    return MP_OBJ_FROM_PTR(o);
+}
+
+STATIC mp_obj_t new_namedtuple_type(mp_obj_t name_in, mp_obj_t fields_in) {
+    qstr name = mp_obj_str_get_qstr(name_in);
+    size_t n_fields;
+    mp_obj_t *fields;
+    #if MICROPY_CPYTHON_COMPAT
+    if (mp_obj_is_str(fields_in)) {
+        fields_in = mp_obj_str_split(1, &fields_in);
+    }
+    #endif
+    mp_obj_get_array(fields_in, &n_fields, &fields);
+    return mp_obj_new_namedtuple_type(name, n_fields, fields);
+}
+MP_DEFINE_CONST_FUN_OBJ_2(mp_namedtuple_obj, new_namedtuple_type);
+
+#endif // MICROPY_PY_COLLECTIONS