py: Add setattr builtin.

This commit is contained in:
stijn 2015-02-14 17:36:59 +01:00 committed by Damien George
parent aa730620bb
commit c1832fd206
4 changed files with 23 additions and 7 deletions

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@ -48,6 +48,7 @@ MP_DECLARE_CONST_FUN_OBJ(mp_builtin_eval_obj);
MP_DECLARE_CONST_FUN_OBJ(mp_builtin_exec_obj);
MP_DECLARE_CONST_FUN_OBJ(mp_builtin_execfile_obj);
MP_DECLARE_CONST_FUN_OBJ(mp_builtin_getattr_obj);
MP_DECLARE_CONST_FUN_OBJ(mp_builtin_setattr_obj);
MP_DECLARE_CONST_FUN_OBJ(mp_builtin_globals_obj);
MP_DECLARE_CONST_FUN_OBJ(mp_builtin_hasattr_obj);
MP_DECLARE_CONST_FUN_OBJ(mp_builtin_hash_obj);

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@ -534,20 +534,20 @@ STATIC inline mp_obj_t mp_load_attr_default(mp_obj_t base, qstr attr, mp_obj_t d
}
STATIC mp_obj_t mp_builtin_getattr(mp_uint_t n_args, const mp_obj_t *args) {
mp_obj_t attr = args[1];
if (MP_OBJ_IS_TYPE(attr, &mp_type_str)) {
attr = mp_obj_str_intern(attr);
} else if (!MP_OBJ_IS_QSTR(attr)) {
nlr_raise(mp_obj_new_exception_msg(&mp_type_TypeError, "string required"));
}
mp_obj_t defval = MP_OBJ_NULL;
if (n_args > 2) {
defval = args[2];
}
return mp_load_attr_default(args[0], MP_OBJ_QSTR_VALUE(attr), defval);
return mp_load_attr_default(args[0], mp_obj_str_get_qstr(args[1]), defval);
}
MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(mp_builtin_getattr_obj, 2, 3, mp_builtin_getattr);
STATIC mp_obj_t mp_builtin_setattr(mp_obj_t base, mp_obj_t attr, mp_obj_t value) {
mp_store_attr(base, mp_obj_str_get_qstr(attr), value);
return mp_const_none;
}
MP_DEFINE_CONST_FUN_OBJ_3(mp_builtin_setattr_obj, mp_builtin_setattr);
STATIC mp_obj_t mp_builtin_hasattr(mp_obj_t object_in, mp_obj_t attr_in) {
assert(MP_OBJ_IS_QSTR(attr_in));
@ -637,6 +637,7 @@ STATIC const mp_map_elem_t mp_module_builtins_globals_table[] = {
{ MP_OBJ_NEW_QSTR(MP_QSTR_execfile), (mp_obj_t)&mp_builtin_execfile_obj },
#endif
{ MP_OBJ_NEW_QSTR(MP_QSTR_getattr), (mp_obj_t)&mp_builtin_getattr_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_setattr), (mp_obj_t)&mp_builtin_setattr_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_globals), (mp_obj_t)&mp_builtin_globals_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_hasattr), (mp_obj_t)&mp_builtin_hasattr_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_hash), (mp_obj_t)&mp_builtin_hash_obj },

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@ -185,6 +185,7 @@ Q(float)
#endif
Q(from_bytes)
Q(getattr)
Q(setattr)
Q(globals)
Q(hasattr)
Q(hash)

13
tests/basics/setattr1.py Normal file
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@ -0,0 +1,13 @@
class A:
var = 132
def __init__(self):
self.var2 = 34
a = A()
setattr(a, "var", 123)
setattr(a, "var2", 56)
print(a.var)
print(a.var2)