Renamed _length_cue() to __length_hint__(). See:
http://mail.python.org/pipermail/python-dev/2006-February/060524.html
diff --git a/Include/abstract.h b/Include/abstract.h
index 7e0bc4d..fd15173 100644
--- a/Include/abstract.h
+++ b/Include/abstract.h
@@ -422,20 +422,25 @@
PyAPI_FUNC(int) PyObject_Length(PyObject *o);
#define PyObject_Length PyObject_Size
- PyAPI_FUNC(int) _PyObject_LengthCue(PyObject *o);
+ PyAPI_FUNC(int) _PyObject_LengthHint(PyObject *o);
/*
Return the size of object o. If the object, o, provides
both sequence and mapping protocols, the sequence size is
returned. On error, -1 is returned. If the object provides
- a _length_cue() method, its value is returned. This is the
+ a __length_hint__() method, its value is returned. This is an
+ internal undocumented API provided for performance reasons;
+ for compatibility, don't use it outside the core. This is the
equivalent to the Python expression:
try:
return len(o)
except (AttributeError, TypeError):
- if hasattr(o, '_length_cue'):
- return o._length_cue()
- raise
+ exc_type, exc_value, exc_tb = sys.exc_info()
+ try:
+ return o.__length_hint__()
+ except:
+ pass
+ raise exc_type, exc_value, exc_tb
*/
PyAPI_FUNC(PyObject *) PyObject_GetItem(PyObject *o, PyObject *key);