[Python-3000-checkins] r64059 - in python/branches/py3k: Lib/test/test_range.py Objects/rangeobject.c
alexandre.vassalotti
python-3000-checkins at python.org
Tue Jun 10 06:03:04 CEST 2008
Author: alexandre.vassalotti
Date: Tue Jun 10 06:03:04 2008
New Revision: 64059
Log:
Issue 2582: Fix pickling of range objects.
Modified:
python/branches/py3k/Lib/test/test_range.py
python/branches/py3k/Objects/rangeobject.c
Modified: python/branches/py3k/Lib/test/test_range.py
==============================================================================
--- python/branches/py3k/Lib/test/test_range.py (original)
+++ python/branches/py3k/Lib/test/test_range.py Tue Jun 10 06:03:04 2008
@@ -2,6 +2,7 @@
import test.support, unittest
import sys
+import pickle
import warnings
warnings.filterwarnings("ignore", "integer argument expected",
@@ -61,6 +62,15 @@
self.assertEqual(repr(range(1, 2)), 'range(1, 2)')
self.assertEqual(repr(range(1, 2, 3)), 'range(1, 2, 3)')
+ def test_pickling(self):
+ testcases = [(13,), (0, 11), (-22, 10), (20, 3, -1),
+ (13, 21, 3), (-2, 2, 2)]
+ for proto in range(pickle.HIGHEST_PROTOCOL):
+ for t in testcases:
+ r = range(*t)
+ self.assertEquals(list(pickle.loads(pickle.dumps(r, proto))),
+ list(r))
+
def test_main():
test.support.run_unittest(RangeTest)
Modified: python/branches/py3k/Objects/rangeobject.c
==============================================================================
--- python/branches/py3k/Objects/rangeobject.c (original)
+++ python/branches/py3k/Objects/rangeobject.c Tue Jun 10 06:03:04 2008
@@ -252,6 +252,14 @@
r->start, r->stop, r->step);
}
+/* Pickling support */
+static PyObject *
+range_reduce(rangeobject *r, PyObject *args)
+{
+ return Py_BuildValue("(O(OOO))", Py_TYPE(r),
+ r->start, r->stop, r->step);
+}
+
static PySequenceMethods range_as_sequence = {
(lenfunc)range_length, /* sq_length */
0, /* sq_concat */
@@ -269,6 +277,7 @@
static PyMethodDef range_methods[] = {
{"__reversed__", (PyCFunction)range_reverse, METH_NOARGS,
reverse_doc},
+ {"__reduce__", (PyCFunction)range_reduce, METH_VARARGS},
{NULL, NULL} /* sentinel */
};
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