pyldb: use dn.is_child_of() instead of dn.compare_base()

the compare_base() C API doesn't really fit well in python, as it
returns 0 for true. Better to have a boolean function for the python
interface.

Pair-Programmed-With: Andrew Bartlett <abartlet@samba.org>

2 files changed, 10 insertions, 9 deletions

diff --git a/lib/ldb/pyldb.c b/lib/ldb/pyldb.c
index 4c71569f05..adec424aa1 100644
--- a/lib/ldb/pyldb.c
+++ b/lib/ldb/pyldb.c
@@ -522,7 +522,7 @@ static PyObject *py_ldb_dn_add_base(PyLdbDnObject *self, PyObject *args)
 	return ldb_dn_add_base(dn, other)?Py_True:Py_False;
 }
 
-static PyObject *py_ldb_dn_compare_base(PyLdbDnObject *self, PyObject *args)
+static PyObject *py_ldb_dn_is_child_of(PyLdbDnObject *self, PyObject *args)
 {
 	PyObject *py_base;
 	struct ldb_dn *dn, *base;
@@ -534,7 +534,7 @@ static PyObject *py_ldb_dn_compare_base(PyLdbDnObject *self, PyObject *args)
 	if (!PyObject_AsDn(NULL, py_base, dn_ldb_ctx(dn), &base))
 		return NULL;
 
-	return PyInt_FromLong(ldb_dn_compare_base(base, dn));
+	return PyBool_FromLong(ldb_dn_compare_base(base, dn) == 0);
 }
 
 static PyMethodDef py_ldb_dn_methods[] = {
@@ -555,8 +555,8 @@ static PyMethodDef py_ldb_dn_methods[] = {
 	{ "canonical_str", (PyCFunction)py_ldb_dn_canonical_str, METH_NOARGS,
 		"S.canonical_str() -> string\n"
 		"Canonical version of this DN (like a posix path)." },
-	{ "compare_base", (PyCFunction)py_ldb_dn_compare_base, METH_VARARGS,
-		"S.compare_base(basedn) -> int\n\n"},
+	{ "is_child_of", (PyCFunction)py_ldb_dn_is_child_of, METH_VARARGS,
+		"S.is_child_of(basedn) -> int\nReturns True if this DN is a child of basedn\n"},
 	{ "canonical_ex_str", (PyCFunction)py_ldb_dn_canonical_ex_str, METH_NOARGS,
 		"S.canonical_ex_str() -> string\n"
 		"Canonical version of this DN (like a posix path, with terminating newline)." },
diff --git a/lib/ldb/tests/python/api.py b/lib/ldb/tests/python/api.py
index bc556d6143..bd10b0b293 100755
--- a/lib/ldb/tests/python/api.py
+++ b/lib/ldb/tests/python/api.py
@@ -437,17 +437,18 @@ class DnTests(unittest.TestCase):
         x = ldb.Dn(self.ldb, "dc=foo26,bar=bloe")
         self.assertEquals("/bloe\nfoo26", x.canonical_ex_str())
 
-    def test_ldb_base_compare(self):
+    def test_ldb_is_child_of(self):
         """Testing ldb_dn_compare_dn"""
         dn1 = ldb.Dn(self.ldb, "dc=base")
         dn2 = ldb.Dn(self.ldb, "cn=foo,dc=base")
         dn3 = ldb.Dn(self.ldb, "cn=bar,dc=base")
         dn4 = ldb.Dn(self.ldb, "cn=baz,cn=bar,dc=base")
 
-        self.assertEquals(0, dn2.compare_base(dn1))
-        self.assertEquals(0, dn4.compare_base(dn1))
-        self.assertEquals(0, dn4.compare_base(dn3))
-        self.assertFalse(dn3.compare_base(dn2) == 0)
+        self.assertTrue(dn2.is_child_of(dn1))
+        self.assertTrue(dn4.is_child_of(dn1))
+        self.assertTrue(dn4.is_child_of(dn3))
+        self.assertFalse(dn3.is_child_of(dn2))
+        self.assertFalse(dn1.is_child_of(dn4))
 
 class LdbMsgTests(unittest.TestCase):