Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from

svn+ssh://pythondev@svn.python.org/python/trunk

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  r64089 | armin.ronacher | 2008-06-10 22:37:02 +0200 (mar., 10 juin 2008) | 3 lines

  Fix a formatting error in the ast documentation.
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  r64098 | raymond.hettinger | 2008-06-11 02:25:29 +0200 (mer., 11 juin 2008) | 6 lines

  Mini-PEP: Simplifying numbers.py
  * Convert binary methods in Integral to mixin methods
  * Remove three-arg __pow__ as a required method
  * Make __int__ the root method instead of __long__.
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  r64100 | raymond.hettinger | 2008-06-11 02:28:51 +0200 (mer., 11 juin 2008) | 1 line

  Update numbers doc for the Integral simplification.
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  r64101 | raymond.hettinger | 2008-06-11 02:44:47 +0200 (mer., 11 juin 2008) | 3 lines

  Handle the case with zero arguments.
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  r64102 | benjamin.peterson | 2008-06-11 03:31:28 +0200 (mer., 11 juin 2008) | 4 lines

  convert test_struct to a unittest thanks to Giampaolo Rodola
  I had to disable one test because it was functioning incorrectly, see #1530559
  I also removed the debugging prints
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  r64113 | thomas.heller | 2008-06-11 09:10:43 +0200 (mer., 11 juin 2008) | 2 lines

  Fix markup.
  Document the new 'offset' parameter for the 'ctypes.byref' function.
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  r64115 | raymond.hettinger | 2008-06-11 12:30:54 +0200 (mer., 11 juin 2008) | 1 line

  Multi-arg form for set.difference() and set.difference_update().
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  r64116 | raymond.hettinger | 2008-06-11 14:06:49 +0200 (mer., 11 juin 2008) | 1 line

  Issue 3051:  Let heapq work with either __lt__ or __le__.
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  r64118 | raymond.hettinger | 2008-06-11 14:39:09 +0200 (mer., 11 juin 2008) | 1 line

  Optimize previous checkin for heapq.
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  r64120 | raymond.hettinger | 2008-06-11 15:14:50 +0200 (mer., 11 juin 2008) | 1 line

  Add test for heapq using both __lt__ and __le__.
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  r64132 | gregory.p.smith | 2008-06-11 20:00:52 +0200 (mer., 11 juin 2008) | 3 lines

  Correct an incorrect comment about our #include of stddef.h.
  (see Doug Evans' comment on python-dev 2008-06-10)
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  r64342 | guido.van.rossum | 2008-06-17 19:38:02 +0200 (mar., 17 juin 2008) | 3 lines

  Roll back Raymond's -r64098 while we think of something better.
  (See issue 3056 -- we're close to a resolution but need unittests.)
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1 files changed, 11 insertions, 6 deletions

diff --git a/Modules/_heapqmodule.c b/Modules/_heapqmodule.c
index 9d2bb1a..4cf6c95 100644
--- a/Modules/_heapqmodule.c
+++ b/Modules/_heapqmodule.c
@@ -17,13 +17,18 @@ static int
 cmp_lt(PyObject *x, PyObject *y)
 {
 	int cmp;
-	cmp = PyObject_RichCompareBool(x, y, Py_LT);
-	if (cmp == -1 && PyErr_ExceptionMatches(PyExc_AttributeError)) {
-		PyErr_Clear();
-		cmp = PyObject_RichCompareBool(y, x, Py_LE);
-		if (cmp != -1)
-			cmp = 1 - cmp;
+	static PyObject *lt = NULL;
+
+	if (lt == NULL) {
+		lt = PyUnicode_FromString("__lt__");
+		if (lt == NULL)
+			return -1;
 	}
+	if (PyObject_HasAttr(x, lt))
+		return PyObject_RichCompareBool(x, y, Py_LT);
+	cmp = PyObject_RichCompareBool(y, x, Py_LE);
+	if (cmp != -1)
+		cmp = 1 - cmp;
 	return cmp;
 }