Merged revisions 58886-58929 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk
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r58892 | guido.van.rossum | 2007-11-06 15:32:56 -0800 (Tue, 06 Nov 2007) | 2 lines
Add missing "return NULL" in overflow check in PyObject_Repr().
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r58893 | raymond.hettinger | 2007-11-06 17:13:09 -0800 (Tue, 06 Nov 2007) | 1 line
Fix marshal's incorrect handling of subclasses of builtin types (backport candidate).
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r58895 | raymond.hettinger | 2007-11-06 18:26:17 -0800 (Tue, 06 Nov 2007) | 1 line
Optimize dict.fromkeys() with dict inputs. Useful for resetting bag/muliset counts for example.
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r58896 | raymond.hettinger | 2007-11-06 18:45:46 -0800 (Tue, 06 Nov 2007) | 1 line
Add build option for faster loop execution.
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r58900 | nick.coghlan | 2007-11-07 03:57:51 -0800 (Wed, 07 Nov 2007) | 1 line
Add missing NEWS entry
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r58905 | christian.heimes | 2007-11-07 09:50:54 -0800 (Wed, 07 Nov 2007) | 1 line
Backported fix for bug #1392 from py3k branch r58903.
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r58906 | christian.heimes | 2007-11-07 10:30:22 -0800 (Wed, 07 Nov 2007) | 1 line
Backport of Guido's review of my patch.
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r58908 | raymond.hettinger | 2007-11-07 18:52:43 -0800 (Wed, 07 Nov 2007) | 1 line
Add set.isdisjoint()
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r58915 | raymond.hettinger | 2007-11-08 10:47:51 -0800 (Thu, 08 Nov 2007) | 1 line
Reposition the decref (spotted by eagle-eye norwitz).
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r58920 | georg.brandl | 2007-11-09 04:31:43 -0800 (Fri, 09 Nov 2007) | 2 lines
Fix seealso link to sets docs. Do not merge to Py3k.
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r58921 | georg.brandl | 2007-11-09 05:08:48 -0800 (Fri, 09 Nov 2007) | 2 lines
Fix misleading example.
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r58923 | georg.brandl | 2007-11-09 09:33:23 -0800 (Fri, 09 Nov 2007) | 3 lines
Correct a comment about testing methods - nowadays most
tests don't run directly on import.
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r58924 | martin.v.loewis | 2007-11-09 14:56:30 -0800 (Fri, 09 Nov 2007) | 2 lines
Add Amaury Forgeot d'Arc.
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r58925 | raymond.hettinger | 2007-11-09 15:14:44 -0800 (Fri, 09 Nov 2007) | 1 line
Optimize common case for dict.fromkeys().
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r58927 | raymond.hettinger | 2007-11-09 17:54:03 -0800 (Fri, 09 Nov 2007) | 1 line
Use a freelist to speed-up block allocation and deallocation in collections.deque().
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r58929 | guido.van.rossum | 2007-11-10 14:12:24 -0800 (Sat, 10 Nov 2007) | 3 lines
Issue 1416. Add getter, setter, deleter methods to properties that can be
used as decorators to create fully-populated properties.
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diff --git a/Objects/setobject.c b/Objects/setobject.c
index ba7d2c4..f6ea441 100644
--- a/Objects/setobject.c
+++ b/Objects/setobject.c
@@ -1314,6 +1314,73 @@
return (PyObject *)so;
}
+static PyObject *
+set_isdisjoint(PySetObject *so, PyObject *other)
+{
+ PyObject *key, *it, *tmp;
+
+ if ((PyObject *)so == other) {
+ if (PySet_GET_SIZE(so) == 0)
+ Py_RETURN_TRUE;
+ else
+ Py_RETURN_FALSE;
+ }
+
+ if (PyAnySet_CheckExact(other)) {
+ Py_ssize_t pos = 0;
+ setentry *entry;
+
+ if (PySet_GET_SIZE(other) > PySet_GET_SIZE(so)) {
+ tmp = (PyObject *)so;
+ so = (PySetObject *)other;
+ other = tmp;
+ }
+ while (set_next((PySetObject *)other, &pos, &entry)) {
+ int rv = set_contains_entry(so, entry);
+ if (rv == -1)
+ return NULL;
+ if (rv)
+ Py_RETURN_FALSE;
+ }
+ Py_RETURN_TRUE;
+ }
+
+ it = PyObject_GetIter(other);
+ if (it == NULL)
+ return NULL;
+
+ while ((key = PyIter_Next(it)) != NULL) {
+ int rv;
+ setentry entry;
+ long hash = PyObject_Hash(key);
+
+ if (hash == -1) {
+ Py_DECREF(key);
+ Py_DECREF(it);
+ return NULL;
+ }
+ entry.hash = hash;
+ entry.key = key;
+ rv = set_contains_entry(so, &entry);
+ Py_DECREF(key);
+ if (rv == -1) {
+ Py_DECREF(it);
+ return NULL;
+ }
+ if (rv) {
+ Py_DECREF(it);
+ Py_RETURN_FALSE;
+ }
+ }
+ Py_DECREF(it);
+ if (PyErr_Occurred())
+ return NULL;
+ Py_RETURN_TRUE;
+}
+
+PyDoc_STRVAR(isdisjoint_doc,
+"Return True if two sets have a null intersection.");
+
static int
set_difference_update_internal(PySetObject *so, PyObject *other)
{
@@ -1839,6 +1906,8 @@
intersection_doc},
{"intersection_update",(PyCFunction)set_intersection_update, METH_O,
intersection_update_doc},
+ {"isdisjoint", (PyCFunction)set_isdisjoint, METH_O,
+ isdisjoint_doc},
{"issubset", (PyCFunction)set_issubset, METH_O,
issubset_doc},
{"issuperset", (PyCFunction)set_issuperset, METH_O,
@@ -1960,6 +2029,8 @@
difference_doc},
{"intersection",(PyCFunction)set_intersection, METH_O,
intersection_doc},
+ {"isdisjoint", (PyCFunction)set_isdisjoint, METH_O,
+ isdisjoint_doc},
{"issubset", (PyCFunction)set_issubset, METH_O,
issubset_doc},
{"issuperset", (PyCFunction)set_issuperset, METH_O,