py/modio: resource_stream: Implement "package" param handling.
diff --git a/py/modio.c b/py/modio.c
index 6bf5129..2d317d0 100644
--- a/py/modio.c
+++ b/py/modio.c
@@ -133,13 +133,39 @@
#if MICROPY_MODULE_FROZEN_STR
STATIC mp_obj_t resource_stream(mp_obj_t package_in, mp_obj_t path_in) {
+ VSTR_FIXED(path_buf, MICROPY_ALLOC_PATH_MAX);
+ size_t len;
+
+ // As an extension to pkg_resources.resource_stream(), we support
+ // package parameter being None, the path_in is interpreted as a
+ // raw path.
if (package_in != mp_const_none) {
- mp_not_implemented("");
+ mp_obj_t args[5];
+ args[0] = package_in;
+ args[1] = mp_const_none; // TODO should be globals
+ args[2] = mp_const_none; // TODO should be locals
+ args[3] = mp_const_true; // Pass sentinel "non empty" value to force returning of leaf module
+ args[4] = MP_OBJ_NEW_SMALL_INT(0);
+
+ // TODO lookup __import__ and call that instead of going straight to builtin implementation
+ mp_obj_t pkg = mp_builtin___import__(5, args);
+
+ mp_obj_t dest[2];
+ mp_load_method_maybe(pkg, MP_QSTR___path__, dest);
+ if (dest[0] == MP_OBJ_NULL) {
+ mp_raise_TypeError(NULL);
+ }
+
+ const char *path = mp_obj_str_get_data(dest[0], &len);
+ vstr_add_strn(&path_buf, path, len);
+ vstr_add_byte(&path_buf, '/');
}
- size_t len;
const char *path = mp_obj_str_get_data(path_in, &len);
- const char *data = mp_find_frozen_str(path, &len);
+ vstr_add_strn(&path_buf, path, len);
+
+ len = path_buf.len;
+ const char *data = mp_find_frozen_str(path_buf.buf, &len);
if (data != NULL) {
mp_obj_stringio_t *o = m_new_obj(mp_obj_stringio_t);
o->base.type = &mp_type_bytesio;
@@ -150,7 +176,8 @@
return MP_OBJ_FROM_PTR(o);
}
- return mp_builtin_open(1, &path_in, (mp_map_t*)&mp_const_empty_map);
+ mp_obj_t path_out = mp_obj_new_str(path_buf.buf, path_buf.len, false);
+ return mp_builtin_open(1, &path_out, (mp_map_t*)&mp_const_empty_map);
}
MP_DEFINE_CONST_FUN_OBJ_2(resource_stream_obj, resource_stream);
#endif