Give itertools.repeat() a length method.
diff --git a/Modules/itertoolsmodule.c b/Modules/itertoolsmodule.c
index 387133c..ebd5f6d 100644
--- a/Modules/itertoolsmodule.c
+++ b/Modules/itertoolsmodule.c
@@ -2347,6 +2347,19 @@
return ro->element;
}
+static int
+repeat_len(repeatobject *ro)
+{
+ if (ro->cnt == -1)
+ PyErr_SetString(PyExc_TypeError, "len() of unsized object");
+ return (int)(ro->cnt);
+}
+
+static PySequenceMethods repeat_as_sequence = {
+ (inquiry)repeat_len, /* sq_length */
+ 0, /* sq_concat */
+};
+
PyDoc_STRVAR(repeat_doc,
"repeat(element [,times]) -> create an iterator which returns the element\n\
for the specified number of times. If not specified, returns the element\n\
@@ -2366,7 +2379,7 @@
0, /* tp_compare */
0, /* tp_repr */
0, /* tp_as_number */
- 0, /* tp_as_sequence */
+ &repeat_as_sequence, /* tp_as_sequence */
0, /* tp_as_mapping */
0, /* tp_hash */
0, /* tp_call */