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gh-115754: Use Py_GetConstant(Py_CONSTANT_EMPTY_STR) (#125194)

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Replace PyUnicode_New(0, 0), PyUnicode_FromString("")
and PyUnicode_FromStringAndSize("", 0)
with Py_GetConstant(Py_CONSTANT_EMPTY_STR).
This commit is contained in:
Victor Stinner 2024-10-09 17:15:23 +02:00 • committed by GitHub
parent 6a39e96ab8
commit b9a8ca0a6a
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GPG key ID: B5690EEEBB952194
22 changed files with 35 additions and 35 deletions
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2
Objects/abstract.c
View file

@ -862,7 +862,7 @@ PyObject_Format(PyObject *obj, PyObject *format_spec)
/* If no format_spec is provided, use an empty string */
if (format_spec == NULL) {
empty = PyUnicode_New(0, 0);
empty = Py_GetConstant(Py_CONSTANT_EMPTY_STR);
format_spec = empty;
}

8
Objects/exceptions.c
View file

@ -154,7 +154,7 @@ BaseException_str(PyBaseExceptionObject *self)
{
switch (PyTuple_GET_SIZE(self->args)) {
case 0:
return PyUnicode_FromString("");
return Py_GetConstant(Py_CONSTANT_EMPTY_STR);
case 1:
return PyObject_Str(PyTuple_GET_ITEM(self->args, 0));
default:
@ -3001,7 +3001,7 @@ UnicodeEncodeError_str(PyObject *self)
if (exc->object == NULL) {
/* Not properly initialized. */
return PyUnicode_FromString("");
return Py_GetConstant(Py_CONSTANT_EMPTY_STR);
}
/* Get reason and encoding as strings, which they might not be if
@ -3123,7 +3123,7 @@ UnicodeDecodeError_str(PyObject *self)
if (exc->object == NULL) {
/* Not properly initialized. */
return PyUnicode_FromString("");
return Py_GetConstant(Py_CONSTANT_EMPTY_STR);
}
/* Get reason and encoding as strings, which they might not be if
@ -3224,7 +3224,7 @@ UnicodeTranslateError_str(PyObject *self)
if (exc->object == NULL) {
/* Not properly initialized. */
return PyUnicode_FromString("");
return Py_GetConstant(Py_CONSTANT_EMPTY_STR);
}
/* Get reason as a string, which it might not be if it's been

4
Objects/stringlib/unicode_format.h
View file

@ -73,7 +73,7 @@ Py_LOCAL_INLINE(PyObject *)
SubString_new_object_or_empty(SubString *str)
{
if (str->str == NULL) {
return PyUnicode_New(0, 0);
return Py_GetConstant(Py_CONSTANT_EMPTY_STR);
}
return SubString_new_object(str);
}
@ -531,7 +531,7 @@ render_field(PyObject *fieldobj, SubString *format_spec, _PyUnicodeWriter *write
format_spec->start,
format_spec->end);
else
format_spec_object = PyUnicode_New(0, 0);
format_spec_object = Py_GetConstant(Py_CONSTANT_EMPTY_STR);
if (format_spec_object == NULL)
goto done;