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-rw-r--r--py/modio.c29
1 files changed, 29 insertions, 0 deletions
diff --git a/py/modio.c b/py/modio.c
index d5da0b1db7..6bf5129e6a 100644
--- a/py/modio.c
+++ b/py/modio.c
@@ -30,6 +30,8 @@
#include "py/runtime.h"
#include "py/builtin.h"
#include "py/stream.h"
+#include "py/objstringio.h"
+#include "py/frozenmod.h"
#if MICROPY_PY_IO
@@ -129,11 +131,38 @@ STATIC const mp_obj_type_t bufwriter_type = {
};
#endif // MICROPY_PY_IO_BUFFEREDWRITER
+#if MICROPY_MODULE_FROZEN_STR
+STATIC mp_obj_t resource_stream(mp_obj_t package_in, mp_obj_t path_in) {
+ if (package_in != mp_const_none) {
+ mp_not_implemented("");
+ }
+
+ size_t len;
+ const char *path = mp_obj_str_get_data(path_in, &len);
+ const char *data = mp_find_frozen_str(path, &len);
+ if (data != NULL) {
+ mp_obj_stringio_t *o = m_new_obj(mp_obj_stringio_t);
+ o->base.type = &mp_type_bytesio;
+ o->vstr = m_new_obj(vstr_t);
+ vstr_init_fixed_buf(o->vstr, len + 1, (char*)data);
+ o->vstr->len = len;
+ o->pos = 0;
+ return MP_OBJ_FROM_PTR(o);
+ }
+
+ return mp_builtin_open(1, &path_in, (mp_map_t*)&mp_const_empty_map);
+}
+MP_DEFINE_CONST_FUN_OBJ_2(resource_stream_obj, resource_stream);
+#endif
+
STATIC const mp_rom_map_elem_t mp_module_io_globals_table[] = {
{ MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_uio) },
// Note: mp_builtin_open_obj should be defined by port, it's not
// part of the core.
{ MP_ROM_QSTR(MP_QSTR_open), MP_ROM_PTR(&mp_builtin_open_obj) },
+ #if MICROPY_PY_IO_RESOURCE_STREAM
+ { MP_ROM_QSTR(MP_QSTR_resource_stream), MP_ROM_PTR(&resource_stream_obj) },
+ #endif
#if MICROPY_PY_IO_FILEIO
{ MP_ROM_QSTR(MP_QSTR_FileIO), MP_ROM_PTR(&mp_type_fileio) },
#if MICROPY_CPYTHON_COMPAT