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(Adding this to the trunk as well.)

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Fix a very old flaw in PyObject_Print().  Amazing!  When an object
type defines tp_str but not tp_repr, 'print x' to a real file
object would not call the tp_str slot but rather print a default style
representation: <foo object at 0x....>.  This even though 'print x' to
a file-like-object would correctly call the tp_str slot.
This commit is contained in:
Guido van Rossum 2001-04-27 21:35:01 +00:00
parent e9bcb5c766
commit 3a80c4a29c
1 changed files with 4 additions and 1 deletions
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5
Objects/object.c
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@ -196,7 +196,10 @@ PyObject_Print(PyObject *op, FILE *fp, int flags)
fprintf(fp, "<refcnt %u at %p>", fprintf(fp, "<refcnt %u at %p>",
op->ob_refcnt, op); op->ob_refcnt, op);
else if (op->ob_type->tp_print == NULL) { else if (op->ob_type->tp_print == NULL) {
if (op->ob_type->tp_repr == NULL) { if ((flags & Py_PRINT_RAW)
? (op->ob_type->tp_str == NULL)
: (op->ob_type->tp_repr == NULL))
{
fprintf(fp, "<%s object at %p>", fprintf(fp, "<%s object at %p>",
op->ob_type->tp_name, op); op->ob_type->tp_name, op);
} }