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Issue #28701: Replace _PyUnicode_CompareWithId with _PyUnicode_EqualToASCIIId.

Browse source 
The latter function is more readable, faster and doesn't raise exceptions.

Based on patch by Xiang Zhang.
This commit is contained in:
Serhiy Storchaka 2016-11-16 15:41:11 +02:00
commit fab6acd9f5
5 changed files with 65 additions and 8 deletions
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12
Objects/typeobject.c
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@ -863,7 +863,7 @@ type_repr(PyTypeObject *type)
return NULL;
}
if (mod != NULL && _PyUnicode_CompareWithId(mod, &PyId_builtins))
if (mod != NULL && !_PyUnicode_EqualToASCIIId(mod, &PyId_builtins))
rtn = PyUnicode_FromFormat("<class '%U.%U'>", mod, name);
else
rtn = PyUnicode_FromFormat("<class '%s'>", type->tp_name);
@ -2403,7 +2403,7 @@ type_new(PyTypeObject *metatype, PyObject *args, PyObject *kwds)
if (!valid_identifier(tmp))
goto error;
assert(PyUnicode_Check(tmp));
if (_PyUnicode_CompareWithId(tmp, &PyId___dict__) == 0) {
if (_PyUnicode_EqualToASCIIId(tmp, &PyId___dict__)) {
if (!may_add_dict || add_dict) {
PyErr_SetString(PyExc_TypeError,
"__dict__ slot disallowed: "
@ -2434,7 +2434,7 @@ type_new(PyTypeObject *metatype, PyObject *args, PyObject *kwds)
for (i = j = 0; i < nslots; i++) {
tmp = PyTuple_GET_ITEM(slots, i);
if ((add_dict &&
_PyUnicode_CompareWithId(tmp, &PyId___dict__) == 0) ||
_PyUnicode_EqualToASCIIId(tmp, &PyId___dict__)) ||
(add_weak &&
_PyUnicode_EqualToASCIIString(tmp, "__weakref__")))
continue;
@ -3538,7 +3538,7 @@ object_repr(PyObject *self)
Py_XDECREF(mod);
return NULL;
}
if (mod != NULL && _PyUnicode_CompareWithId(mod, &PyId_builtins))
if (mod != NULL && !_PyUnicode_EqualToASCIIId(mod, &PyId_builtins))
rtn = PyUnicode_FromFormat("<%U.%U object at %p>", mod, name, self);
else
rtn = PyUnicode_FromFormat("<%s object at %p>",
@ -7238,7 +7238,7 @@ super_getattro(PyObject *self, PyObject *name)
(i.e. super, or a subclass), not the class of su->obj. */
if (PyUnicode_Check(name) &&
PyUnicode_GET_LENGTH(name) == 9 &&
_PyUnicode_CompareWithId(name, &PyId___class__) == 0)
_PyUnicode_EqualToASCIIId(name, &PyId___class__))
goto skip;
mro = starttype->tp_mro;
@ -7450,7 +7450,7 @@ super_init(PyObject *self, PyObject *args, PyObject *kwds)
for (i = 0; i < n; i++) {
PyObject *name = PyTuple_GET_ITEM(co->co_freevars, i);
assert(PyUnicode_Check(name));
if (!_PyUnicode_CompareWithId(name, &PyId___class__)) {
if (_PyUnicode_EqualToASCIIId(name, &PyId___class__)) {
Py_ssize_t index = co->co_nlocals +
PyTuple_GET_SIZE(co->co_cellvars) + i;
PyObject *cell = f->f_localsplus[index];