Merged revisions 63856-63857,63859-63860 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk

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  r63856 | robert.schuppenies | 2008-06-01 18:16:17 +0200 (So, 01 Jun 2008) | 2 lines

  Issue #2898: Added sys.getsizeof() to retrieve size of objects in bytes.
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  r63859 | georg.brandl | 2008-06-01 18:42:16 +0200 (So, 01 Jun 2008) | 2 lines

  Some style nits. Also clarify in the docstrings what __sizeof__ does.
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  r63860 | georg.brandl | 2008-06-01 19:05:56 +0200 (So, 01 Jun 2008) | 2 lines

  Fix test_descrtut.
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diff --git a/Objects/dictobject.c b/Objects/dictobject.c
index fc2c8f0..b4f9182 100644
--- a/Objects/dictobject.c
+++ b/Objects/dictobject.c
@@ -1840,11 +1840,28 @@
 
 static PyObject *dictiter_new(PyDictObject *, PyTypeObject *);
 
+static PyObject *
+dict_sizeof(PyDictObject *mp)
+{
+	Py_ssize_t res;
+
+	res = sizeof(PyDictObject) + sizeof(mp->ma_table);
+	if (mp->ma_table != mp->ma_smalltable)
+		res = res + (mp->ma_mask + 1) * sizeof(PyDictEntry);
+	return PyLong_FromSsize_t(res);
+}
+
+PyDoc_STRVAR(has_key__doc__,
+"D.has_key(k) -> True if D has a key k, else False");
+
 PyDoc_STRVAR(contains__doc__,
 "D.__contains__(k) -> True if D has a key k, else False");
 
 PyDoc_STRVAR(getitem__doc__, "x.__getitem__(y) <==> x[y]");
 
+PyDoc_STRVAR(sizeof__doc__,
+"D.__sizeof__() -> size of D in memory, in bytes");
+
 PyDoc_STRVAR(get__doc__,
 "D.get(k[,d]) -> D[k] if k in D, else d.  d defaults to None.");
 
@@ -1890,6 +1907,8 @@
 	 contains__doc__},
 	{"__getitem__", (PyCFunction)dict_subscript,	METH_O | METH_COEXIST,
 	 getitem__doc__},
+	{"__sizeof__",	(PyCFunction)dict_sizeof,	METH_NOARGS,
+	 sizeof__doc__},
 	{"get",         (PyCFunction)dict_get,          METH_VARARGS,
 	 get__doc__},
 	{"setdefault",  (PyCFunction)dict_setdefault,   METH_VARARGS,