When overriding __str__ or __repr__, set the tp_print slot to NULL.

When overriding str or repr, set the tp_print slot to NULL.
afe7a940 · Guido van Rossum · 7c017861 · afe7a940
Commit afe7a940 authored Oct 29, 2001 by Guido van Rossum
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Objects/typeobject.c Objects/typeobject.c +2 -0

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--- a/Objects/typeobject.c
+++ b/Objects/typeobject.c
@@ -3380,8 +3380,10 @@ static slotdef slotdefs[] = {

 	TPSLOT("__str__", tp_str, slot_tp_str, wrap_unaryfunc,
 	       "x.__str__() <==> str(x)"),
+	TPSLOT("__str__", tp_print, NULL, NULL, ""),
 	TPSLOT("__repr__", tp_repr, slot_tp_repr, wrap_unaryfunc,
 	       "x.__repr__() <==> repr(x)"),
+	TPSLOT("__repr__", tp_print, NULL, NULL, ""),
 	TPSLOT("__cmp__", tp_compare, _PyObject_SlotCompare, wrap_cmpfunc,
 	       "x.__cmp__(y) <==> cmp(x,y)"),
 	TPSLOT("__hash__", tp_hash, slot_tp_hash, wrap_hashfunc,