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-rw-r--r--Objects/object.c58
1 files changed, 58 insertions, 0 deletions
diff --git a/Objects/object.c b/Objects/object.c
index 9536d467f5..3e612825c2 100644
--- a/Objects/object.c
+++ b/Objects/object.c
@@ -681,6 +681,64 @@ PyObject_Bytes(PyObject *v)
return PyBytes_FromObject(v);
}
+
+/*
+def _PyObject_FunctionStr(x):
+ try:
+ qualname = x.__qualname__
+ except AttributeError:
+ return str(x)
+ try:
+ mod = x.__module__
+ if mod is not None and mod != 'builtins':
+ return f"{x.__module__}.{qualname}()"
+ except AttributeError:
+ pass
+ return qualname
+*/
+PyObject *
+_PyObject_FunctionStr(PyObject *x)
+{
+ _Py_IDENTIFIER(__module__);
+ _Py_IDENTIFIER(__qualname__);
+ _Py_IDENTIFIER(builtins);
+ assert(!PyErr_Occurred());
+ PyObject *qualname;
+ int ret = _PyObject_LookupAttrId(x, &PyId___qualname__, &qualname);
+ if (qualname == NULL) {
+ if (ret < 0) {
+ return NULL;
+ }
+ return PyObject_Str(x);
+ }
+ PyObject *module;
+ PyObject *result = NULL;
+ ret = _PyObject_LookupAttrId(x, &PyId___module__, &module);
+ if (module != NULL && module != Py_None) {
+ PyObject *builtinsname = _PyUnicode_FromId(&PyId_builtins);
+ if (builtinsname == NULL) {
+ goto done;
+ }
+ ret = PyObject_RichCompareBool(module, builtinsname, Py_NE);
+ if (ret < 0) {
+ // error
+ goto done;
+ }
+ if (ret > 0) {
+ result = PyUnicode_FromFormat("%S.%S()", module, qualname);
+ goto done;
+ }
+ }
+ else if (ret < 0) {
+ goto done;
+ }
+ result = PyUnicode_FromFormat("%S()", qualname);
+done:
+ Py_DECREF(qualname);
+ Py_XDECREF(module);
+ return result;
+}
+
/* For Python 3.0.1 and later, the old three-way comparison has been
completely removed in favour of rich comparisons. PyObject_Compare() and
PyObject_Cmp() are gone, and the builtin cmp function no longer exists.