Merge pull request #2896 from theacodes/add-bytearray-decode

Add bytearray.decode() for CPython compatibility

Author: tannewt

ports/atmel-samd/boards/circuitplayground_express_crickit/mpconfigboard.mk

@@ -17,10 +17,11 @@ CIRCUITPY_DISPLAYIO = 0
 CIRCUITPY_FREQUENCYIO = 0
 CIRCUITPY_I2CSLAVE = 0
 CIRCUITPY_PIXELBUF = 1
+CIRCUITPY_ROTARYIO = 0
 CIRCUITPY_RTC = 0
 
 SUPEROPT_GC = 0
-CFLAGS_INLINE_LIMIT = 55
+CFLAGS_INLINE_LIMIT = 50
 
 
 # Include these Python libraries in firmware.

py/objarray.c

@@ -63,6 +63,10 @@ STATIC mp_obj_t array_iterator_new(mp_obj_t array_in, mp_obj_iter_buf_t *iter_bu
 STATIC mp_obj_t array_append(mp_obj_t self_in, mp_obj_t arg);
 STATIC mp_obj_t array_extend(mp_obj_t self_in, mp_obj_t arg_in);
 STATIC mp_int_t array_get_buffer(mp_obj_t o_in, mp_buffer_info_t *bufinfo, mp_uint_t flags);
+#if MICROPY_CPYTHON_COMPAT
+STATIC mp_obj_t array_decode(size_t n_args, const mp_obj_t *args);
+#endif
+
 
 /******************************************************************************/
 // array
@@ -546,7 +550,24 @@ STATIC mp_int_t array_get_buffer(mp_obj_t o_in, mp_buffer_info_t *bufinfo, mp_ui
     return 0;
 }
 
-#if MICROPY_PY_BUILTINS_BYTEARRAY || MICROPY_PY_ARRAY
+
+#if MICROPY_CPYTHON_COMPAT && MICROPY_PY_BUILTINS_BYTEARRAY
+// Directly lifted from objstr.c
+STATIC mp_obj_t array_decode(size_t n_args, const mp_obj_t *args) {
+    mp_obj_t new_args[2];
+    if (n_args == 1) {
+        new_args[0] = args[0];
+        new_args[1] = MP_OBJ_NEW_QSTR(MP_QSTR_utf_hyphen_8);
+        args = new_args;
+        n_args++;
+    }
+    return mp_obj_str_make_new(&mp_type_str, n_args, args, NULL);
+}
+MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(array_decode_obj, 1, 3, array_decode);
+#endif
+
+
+#if MICROPY_PY_ARRAY
 STATIC const mp_rom_map_elem_t array_locals_dict_table[] = {
     { MP_ROM_QSTR(MP_QSTR_append), MP_ROM_PTR(&array_append_obj) },
     { MP_ROM_QSTR(MP_QSTR_extend), MP_ROM_PTR(&array_extend_obj) },
@@ -555,6 +576,19 @@ STATIC const mp_rom_map_elem_t array_locals_dict_table[] = {
 STATIC MP_DEFINE_CONST_DICT(array_locals_dict, array_locals_dict_table);
 #endif
 
+#if MICROPY_PY_BUILTINS_BYTEARRAY
+STATIC const mp_rom_map_elem_t bytearray_locals_dict_table[] = {
+    { MP_ROM_QSTR(MP_QSTR_append), MP_ROM_PTR(&array_append_obj) },
+    { MP_ROM_QSTR(MP_QSTR_extend), MP_ROM_PTR(&array_extend_obj) },
+#if MICROPY_CPYTHON_COMPAT
+    { MP_ROM_QSTR(MP_QSTR_decode), MP_ROM_PTR(&array_decode_obj) },
+#endif
+};
+
+STATIC MP_DEFINE_CONST_DICT(bytearray_locals_dict, bytearray_locals_dict_table);
+#endif
+
+
 #if MICROPY_PY_ARRAY
 const mp_obj_type_t mp_type_array = {
     { &mp_type_type },
@@ -581,7 +615,7 @@ const mp_obj_type_t mp_type_bytearray = {
     .binary_op = array_binary_op,
     .subscr = array_subscr,
     .buffer_p = { .get_buffer = array_get_buffer },
-    .locals_dict = (mp_obj_dict_t*)&array_locals_dict,
+    .locals_dict = (mp_obj_dict_t*)&bytearray_locals_dict,
 };
 #endif