py: Use mp_not_implemented consistently for not implemented features.

py/argcheck.c

@@ -146,7 +146,6 @@ NORETURN void mp_arg_error_terse_mismatch(void) {
 
 #if MICROPY_CPYTHON_COMPAT
 NORETURN void mp_arg_error_unimpl_kw(void) {
-    nlr_raise(mp_obj_new_exception_msg(&mp_type_NotImplementedError,
-        "keyword argument(s) not yet implemented - use normal args instead"));
+    mp_not_implemented("keyword argument(s) not yet implemented - use normal args instead");
 }
 #endif

py/objarray.c

@@ -365,8 +365,7 @@ STATIC mp_obj_t array_subscr(mp_obj_t self_in, mp_obj_t index_in, mp_obj_t value
         } else if (MP_OBJ_IS_TYPE(index_in, &mp_type_slice)) {
             mp_bound_slice_t slice;
             if (!mp_seq_get_fast_slice_indexes(o->len, index_in, &slice)) {
-                nlr_raise(mp_obj_new_exception_msg(&mp_type_NotImplementedError,
-                    "only slices with step=1 (aka None) are supported"));
+                mp_not_implemented("only slices with step=1 (aka None) are supported");
             }
             if (value != MP_OBJ_SENTINEL) {
                 #if MICROPY_PY_ARRAY_SLICE_ASSIGN

py/objstr.c

@@ -391,8 +391,7 @@ STATIC mp_obj_t bytes_subscr(mp_obj_t self_in, mp_obj_t index, mp_obj_t value) {
         if (MP_OBJ_IS_TYPE(index, &mp_type_slice)) {
             mp_bound_slice_t slice;
             if (!mp_seq_get_fast_slice_indexes(self_len, index, &slice)) {
-                nlr_raise(mp_obj_new_exception_msg(&mp_type_NotImplementedError,
-                    "only slices with step=1 (aka None) are supported"));
+                mp_not_implemented("only slices with step=1 (aka None) are supported");
             }
             return mp_obj_new_str_of_type(type, self_data + slice.start, slice.stop - slice.start);
         }
@@ -975,7 +974,7 @@ mp_obj_t mp_obj_str_format(mp_uint_t n_args, const mp_obj_t *args, mp_map_t *kwa
                 arg = key_elem->value;
             }
             if (*lookup) {
-                nlr_raise(mp_obj_new_exception_msg(&mp_type_NotImplementedError, "attributes not supported yet"));
+                mp_not_implemented("attributes not supported yet");
             }
             vstr_free(field_name);
             field_name = NULL;

py/objstrunicode.c

@@ -178,8 +178,7 @@ STATIC mp_obj_t str_subscr(mp_obj_t self_in, mp_obj_t index, mp_obj_t value) {
             mp_obj_t ostart, ostop, ostep;
             mp_obj_slice_get(index, &ostart, &ostop, &ostep);
             if (ostep != mp_const_none && ostep != MP_OBJ_NEW_SMALL_INT(1)) {
-                nlr_raise(mp_obj_new_exception_msg(&mp_type_NotImplementedError,
-                    "only slices with step=1 (aka None) are supported"));
+                mp_not_implemented("only slices with step=1 (aka None) are supported");
             }
 
             const byte *pstart, *pstop;

py/objtuple.c

@@ -183,8 +183,7 @@ mp_obj_t mp_obj_tuple_subscr(mp_obj_t self_in, mp_obj_t index, mp_obj_t value) {
         if (MP_OBJ_IS_TYPE(index, &mp_type_slice)) {
             mp_bound_slice_t slice;
             if (!mp_seq_get_fast_slice_indexes(self->len, index, &slice)) {
-                nlr_raise(mp_obj_new_exception_msg(&mp_type_NotImplementedError,
-                    "only slices with step=1 (aka None) are supported"));
+                mp_not_implemented("only slices with step=1 (aka None) are supported");
             }
             mp_obj_tuple_t *res = mp_obj_new_tuple(slice.stop - slice.start, NULL);
             mp_seq_copy(res->items, self->items + slice.start, res->len, mp_obj_t);