py/modio: Implement io.BufferedWriter.flush().
diff --git a/py/modio.c b/py/modio.c
index 04d3d79..d41e959 100644
--- a/py/modio.c
+++ b/py/modio.c
@@ -82,8 +82,25 @@
return org_size;
}
+STATIC mp_obj_t bufwriter_flush(mp_obj_t self_in) {
+ mp_obj_bufwriter_t *self = MP_OBJ_TO_PTR(self_in);
+
+ if (self->len != 0) {
+ int err;
+ mp_uint_t out_sz = mp_stream_writeall(self->stream, self->buf, self->len, &err);
+ self->len = 0;
+ if (out_sz == MP_STREAM_ERROR) {
+ nlr_raise(mp_obj_new_exception_arg1(&mp_type_OSError, MP_OBJ_NEW_SMALL_INT(err)));
+ }
+ }
+
+ return mp_const_none;
+}
+STATIC MP_DEFINE_CONST_FUN_OBJ_1(bufwriter_flush_obj, bufwriter_flush);
+
STATIC const mp_map_elem_t bufwriter_locals_dict_table[] = {
{ MP_OBJ_NEW_QSTR(MP_QSTR_write), (mp_obj_t)&mp_stream_write_obj },
+ { MP_OBJ_NEW_QSTR(MP_QSTR_flush), (mp_obj_t)&bufwriter_flush_obj },
};
STATIC MP_DEFINE_CONST_DICT(bufwriter_locals_dict, bufwriter_locals_dict_table);