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repr(range(10)) now returns 'range(0, 10)' for clarity.

This commit is contained in:
Walter Dörwald 2007-05-21 10:43:34 +00:00
parent c2f6a58ffd
commit 03b43d8a77
2 changed files with 4 additions and 11 deletions
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2
Lib/test/test_xrange.py
View File

@ -57,7 +57,7 @@ class XrangeTest(unittest.TestCase):
self.assertEqual(len(r), sys.maxint)
def test_repr(self):
self.assertEqual(repr(range(1)), 'range(1)')
self.assertEqual(repr(range(1)), 'range(0, 1)')
self.assertEqual(repr(range(1, 2)), 'range(1, 2)')
self.assertEqual(repr(range(1, 2, 3)), 'range(1, 2, 3)')

13
Objects/rangeobject.c
View File

@ -234,24 +234,17 @@ range_item(rangeobject *r, Py_ssize_t i)
static PyObject *
range_repr(rangeobject *r)
{
Py_ssize_t istart, istep;
Py_ssize_t istep;
/* Check for special case values for printing. We don't always
need the start or step values. We don't care about errors
need the step value. We don't care about errors
(it means overflow), so clear the errors. */
istart = PyNumber_AsSsize_t(r->start, NULL);
if (istart != 0 || (istart == -1 && PyErr_Occurred())) {
PyErr_Clear();
}
istep = PyNumber_AsSsize_t(r->step, NULL);
if (istep != 1 || (istep == -1 && PyErr_Occurred())) {
PyErr_Clear();
}
if (istart == 0 && istep == 1)
return PyUnicode_FromFormat("range(%R)", r->stop);
else if (istep == 1)
if (istep == 1)
return PyUnicode_FromFormat("range(%R, %R)", r->start, r->stop);
else
return PyUnicode_FromFormat("range(%R, %R, %R)",