py/objmodule: Add support for __dict__.

This matches class `__dict__`, and is similarly gated on
MICROPY_CPYTHON_COMPAT. Unlike class though, because modules's globals are
actually dict instances, the result is a mutable dictionary.

This work was funded through GitHub Sponsors.

Signed-off-by: Jim Mussared <jim.mussared@gmail.com>
pull/9351/head
Jim Mussared 2022-09-13 14:16:58 +10:00 zatwierdzone przez Damien George
rodzic d94141e147
commit 15d0615d5c
3 zmienionych plików z 34 dodań i 0 usunięć

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@ -89,6 +89,10 @@ STATIC void module_attr(mp_obj_t self_in, qstr attr, mp_obj_t *dest) {
mp_map_elem_t *elem = mp_map_lookup(&self->globals->map, MP_OBJ_NEW_QSTR(attr), MP_MAP_LOOKUP);
if (elem != NULL) {
dest[0] = elem->value;
#if MICROPY_CPYTHON_COMPAT
} else if (attr == MP_QSTR___dict__) {
dest[0] = MP_OBJ_FROM_PTR(self->globals);
#endif
#if MICROPY_MODULE_GETATTR
} else if (attr != MP_QSTR___getattr__) {
elem = mp_map_lookup(&self->globals->map, MP_OBJ_NEW_QSTR(MP_QSTR___getattr__), MP_MAP_LOOKUP);

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@ -0,0 +1,13 @@
# test __dict__ attribute of a built-in module
# see import/module_dict.py for the equivalent test on user modules
import sys
if not hasattr(sys, "__dict__"):
print("SKIP")
raise SystemExit
# dict of a built-in module (read-only)
print(type(sys.__dict__))
print(sys.__dict__["__name__"])

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@ -0,0 +1,17 @@
# test __dict__ attribute of a user module
import sys
if not hasattr(sys, "__dict__"):
print("SKIP")
raise SystemExit
import import1b
# dict of a user module (read/write)
print(import1b.var)
print(import1b.__dict__["var"])
import1b.__dict__["var"] = "hello"
print(import1b.var)
print(import1b.__dict__["var"])