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Merge pull request #2657 from tannewt/builtin_package 

Support importing native modules in native packages.
This commit is contained in:
Jeff Epler 2020-03-05 14:28:46 -06:00 committed by GitHub
parent e81930fb9e 274cb597b0
commit 4fa90261a3
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 28 additions and 11 deletions
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30
py/builtinimport.c
View File

@ -400,21 +400,31 @@ mp_obj_t mp_builtin___import__(size_t n_args, const mp_obj_t *args) {
DEBUG_printf("Current path: %.*s\n", vstr_len(&path), vstr_str(&path));
if (stat == MP_IMPORT_STAT_NO_EXIST) {
#if MICROPY_MODULE_WEAK_LINKS
// check if there is a weak link to this module
if (i == mod_len) {
mp_map_elem_t *el = mp_map_lookup((mp_map_t*)&mp_builtin_module_weak_links_map, MP_OBJ_NEW_QSTR(mod_name), MP_MAP_LOOKUP);
// This is just the module name after the previous .
qstr current_module_name = qstr_from_strn(mod_str + last, i - last);
mp_map_elem_t *el = NULL;
if (outer_module_obj == MP_OBJ_NULL) {
el = mp_map_lookup((mp_map_t*)&mp_builtin_module_map,
MP_OBJ_NEW_QSTR(current_module_name),
MP_MAP_LOOKUP);
#if MICROPY_MODULE_WEAK_LINKS
// check if there is a weak link to this module
if (el == NULL) {
goto no_exist;
el = mp_map_lookup((mp_map_t*)&mp_builtin_module_weak_links_map,
MP_OBJ_NEW_QSTR(current_module_name),
MP_MAP_LOOKUP);
}
// found weak linked module
#endif
} else {
el = mp_map_lookup(&((mp_obj_module_t*) outer_module_obj)->globals->map,
MP_OBJ_NEW_QSTR(current_module_name),
MP_MAP_LOOKUP);
}
if (el != NULL && MP_OBJ_IS_TYPE(el->value, &mp_type_module)) {
module_obj = el->value;
mp_module_call_init(mod_name, module_obj);
} else {
no_exist:
#else
{
#endif
// couldn't find the file, so fail
if (MICROPY_ERROR_REPORTING == MICROPY_ERROR_REPORTING_TERSE) {
mp_raise_ImportError(translate("module not found"));

2
py/gc_long_lived.c
View File

@ -89,7 +89,7 @@ mp_obj_dict_t *make_dict_long_lived(mp_obj_dict_t *dict, uint8_t max_depth) {
#ifndef MICROPY_ENABLE_GC
return dict;
#endif
if (dict == NULL || max_depth == 0 || dict == &MP_STATE_VM(dict_main)) {
if (dict == NULL || max_depth == 0 || dict == &MP_STATE_VM(dict_main) || dict->map.is_fixed) {
return dict;
}
// Don't recurse unnecessarily. Return immediately if we've already seen this dict.

7
py/objmodule.c
View File

@ -69,6 +69,13 @@ STATIC void module_attr(mp_obj_t self_in, qstr attr, mp_obj_t *dest) {
// delete/store attribute
mp_obj_dict_t *dict = self->globals;
if (dict->map.is_fixed) {
mp_map_elem_t *elem = mp_map_lookup(&dict->map, MP_OBJ_NEW_QSTR(attr), MP_MAP_LOOKUP);
// Return success if the given value is already in the dictionary. This is the case for
// native packages with native submodules.
if (elem != NULL && elem->value == dest[1]) {
dest[0] = MP_OBJ_NULL; // indicate success
return;
} else
#if MICROPY_CAN_OVERRIDE_BUILTINS
if (dict == &mp_module_builtins_globals) {
if (MP_STATE_VM(mp_module_builtins_override_dict) == NULL) {