[Python-checkins] r70129 - in python/branches/py3k: Lib/test/test_dict.py Misc/NEWS Objects/dictobject.c
raymond.hettinger
python-checkins at python.org
Tue Mar 3 11:52:50 CET 2009
Author: raymond.hettinger
Date: Tue Mar 3 11:52:49 2009
New Revision: 70129
Log:
Give dict views a helpful __repr__.
Modified:
python/branches/py3k/Lib/test/test_dict.py
python/branches/py3k/Misc/NEWS
python/branches/py3k/Objects/dictobject.c
Modified: python/branches/py3k/Lib/test/test_dict.py
==============================================================================
--- python/branches/py3k/Lib/test/test_dict.py (original)
+++ python/branches/py3k/Lib/test/test_dict.py Tue Mar 3 11:52:49 2009
@@ -36,16 +36,16 @@
k = d.keys()
self.assert_('a' in d)
self.assert_('b' in d)
-
self.assertRaises(TypeError, d.keys, None)
+ self.assertEqual(repr(dict(a=1).keys()), "dict_keys(['a'])")
def test_values(self):
d = {}
self.assertEqual(set(d.values()), set())
d = {1:2}
self.assertEqual(set(d.values()), {2})
-
self.assertRaises(TypeError, d.values, None)
+ self.assertEqual(repr(dict(a=1).values()), "dict_values([1])")
def test_items(self):
d = {}
@@ -53,8 +53,8 @@
d = {1:2}
self.assertEqual(set(d.items()), {(1, 2)})
-
self.assertRaises(TypeError, d.items, None)
+ self.assertEqual(repr(dict(a=1).items()), "dict_items([('a', 1)])")
def test_contains(self):
d = {}
Modified: python/branches/py3k/Misc/NEWS
==============================================================================
--- python/branches/py3k/Misc/NEWS (original)
+++ python/branches/py3k/Misc/NEWS Tue Mar 3 11:52:49 2009
@@ -13,6 +13,9 @@
-----------------
=======
+
+- Give dict views an informative __repr__.
+
- Issue #5247: Improve error message when unknown format codes are
used when using str.format() with str, int, and float arguments.
Modified: python/branches/py3k/Objects/dictobject.c
==============================================================================
--- python/branches/py3k/Objects/dictobject.c (original)
+++ python/branches/py3k/Objects/dictobject.c Tue Mar 3 11:52:49 2009
@@ -2563,6 +2563,21 @@
return result;
}
+static PyObject *
+dictview_repr(dictviewobject *dv)
+{
+ PyObject *seq;
+ PyObject *result;
+
+ seq = PySequence_List((PyObject *)dv);
+ if (seq == NULL)
+ return NULL;
+
+ result = PyUnicode_FromFormat("%s(%R)", Py_TYPE(dv)->tp_name, seq);
+ Py_DECREF(seq);
+ return result;
+}
+
/*** dict_keys ***/
static PyObject *
@@ -2700,7 +2715,7 @@
0, /* tp_getattr */
0, /* tp_setattr */
0, /* tp_reserved */
- 0, /* tp_repr */
+ (reprfunc)dictview_repr, /* tp_repr */
&dictviews_as_number, /* tp_as_number */
&dictkeys_as_sequence, /* tp_as_sequence */
0, /* tp_as_mapping */
@@ -2784,7 +2799,7 @@
0, /* tp_getattr */
0, /* tp_setattr */
0, /* tp_reserved */
- 0, /* tp_repr */
+ (reprfunc)dictview_repr, /* tp_repr */
&dictviews_as_number, /* tp_as_number */
&dictitems_as_sequence, /* tp_as_sequence */
0, /* tp_as_mapping */
@@ -2849,7 +2864,7 @@
0, /* tp_getattr */
0, /* tp_setattr */
0, /* tp_reserved */
- 0, /* tp_repr */
+ (reprfunc)dictview_repr, /* tp_repr */
0, /* tp_as_number */
&dictvalues_as_sequence, /* tp_as_sequence */
0, /* tp_as_mapping */
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