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gh-106182: sys: Intern getfilesystemencoding() and getfilesystemencodeerrors() (#106183)

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sys: Intern getfilesystemencoding() and getfilesystemencodeerrors()
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Inada Naoki 2023-06-30 13:02:03 +09:00 committed by GitHub
parent 77ddc9a7b1
commit f1034ba7f6
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2 changed files with 27 additions and 5 deletions
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2
Misc/NEWS.d/next/Core and Builtins/2023-06-28-15-19-59.gh-issue-106182.cDSFi0.rst Normal file
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@ -0,0 +1,2 @@
:func:`sys.getfilesystemencoding` and :mod:`sys.getfilesystemencodeerrors`
now return interned Unicode object.

30
Python/sysmodule.c
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@ -863,6 +863,13 @@ sys_exit_impl(PyObject *module, PyObject *status)
}
static PyObject *
get_utf8_unicode(void)
{
_Py_DECLARE_STR(utf_8, "utf-8");
PyObject *ret = &_Py_STR(utf_8);
return Py_NewRef(ret);
}
/*[clinic input]
sys.getdefaultencoding
@ -874,9 +881,7 @@ static PyObject *
sys_getdefaultencoding_impl(PyObject *module)
/*[clinic end generated code: output=256d19dfcc0711e6 input=d416856ddbef6909]*/
{
_Py_DECLARE_STR(utf_8, "utf-8");
PyObject *ret = &_Py_STR(utf_8);
return Py_NewRef(ret);
return get_utf8_unicode();
}
/*[clinic input]
@ -891,7 +896,17 @@ sys_getfilesystemencoding_impl(PyObject *module)
{
PyInterpreterState *interp = _PyInterpreterState_GET();
const PyConfig *config = _PyInterpreterState_GetConfig(interp);
return PyUnicode_FromWideChar(config->filesystem_encoding, -1);
if (wcscmp(config->filesystem_encoding, L"utf-8") == 0) {
return get_utf8_unicode();
}
PyObject *u = PyUnicode_FromWideChar(config->filesystem_encoding, -1);
if (u == NULL) {
return NULL;
}
_PyUnicode_InternInPlace(interp, &u);
return u;
}
/*[clinic input]
@ -906,7 +921,12 @@ sys_getfilesystemencodeerrors_impl(PyObject *module)
{
PyInterpreterState *interp = _PyInterpreterState_GET();
const PyConfig *config = _PyInterpreterState_GetConfig(interp);
return PyUnicode_FromWideChar(config->filesystem_errors, -1);
PyObject *u = PyUnicode_FromWideChar(config->filesystem_errors, -1);
if (u == NULL) {
return NULL;
}
_PyUnicode_InternInPlace(interp, &u);
return u;
}
/*[clinic input]