[SCM] Samba Shared Repository - branch master updated

Kamen Mazdrashki kamenim at samba.org
Thu Nov 18 15:12:02 MST 2010


The branch, master has been updated
       via  ab379dd s4-ldb.python: Use $SELFTEST_PREFIX/tmp as a temporary directory for testing
       via  05c0bfa s4-ldb.python: add test for ldb.Message.from_dict() method
       via  a403d77 s4-pyldb: ldb.Message.from_dict class method to create LdbMessage object from dictionary
       via  a09a41f s4-pyldb: Move code to create a ldb_message from a Python Dictionary object into a separate function
       via  c29a8c7 s4-samdb.py: Use ldb.get_default_basedn() to avoid RootDSE search
       via  b4809e4 s4-pyldb_util: Move ldb Type searching into separate function
       via  88e4601 s4-pyldb: Few miss-alignments aligned
       via  72fcfed s4-pyldb: Move PyLdbMessage_FromMessage() in PyMessage group of functions
       via  d42ea32 s4-pyldb: Fix wrong type of 'self' parameter
      from  f992dbb s4-tests: Modified descriptor tests to use pyldb api to retrieve configuration and schema dn.

http://gitweb.samba.org/?p=samba.git;a=shortlog;h=master


- Log -----------------------------------------------------------------
commit ab379ddd516bf2b77ccf77f542faf6e694ab5d4d
Author: Kamen Mazdrashki <kamenim at samba.org>
Date:   Thu Nov 18 21:42:26 2010 +0200

    s4-ldb.python: Use $SELFTEST_PREFIX/tmp as a temporary directory for testing
    
    This way we won't flood /tmp directory with temp files
    
    Autobuild-User: Kamen Mazdrashki <kamenim at samba.org>
    Autobuild-Date: Thu Nov 18 23:11:18 CET 2010 on sn-devel-104

commit 05c0bface19e8dfb395da82de6b889744768f8c6
Author: Kamen Mazdrashki <kamenim at samba.org>
Date:   Thu Nov 18 17:46:33 2010 +0200

    s4-ldb.python: add test for ldb.Message.from_dict() method

commit a403d7777e94ffdcdb57045e8a4755aced0e8484
Author: Kamen Mazdrashki <kamenim at samba.org>
Date:   Thu Nov 18 22:11:30 2010 +0200

    s4-pyldb: ldb.Message.from_dict class method to create LdbMessage object from dictionary

commit a09a41f300a4d721c117a95822d272cc5866ac92
Author: Kamen Mazdrashki <kamenim at samba.org>
Date:   Thu Nov 18 22:09:01 2010 +0200

    s4-pyldb: Move code to create a ldb_message from a Python Dictionary object into a separate function

commit c29a8c7ec55b6961a51f52bf75671f7af8abf2df
Author: Kamen Mazdrashki <kamenim at samba.org>
Date:   Mon Nov 15 07:41:59 2010 +0200

    s4-samdb.py: Use ldb.get_default_basedn() to avoid RootDSE search

commit b4809e4a8240de5faa311bf55ade3d63fd376aa5
Author: Kamen Mazdrashki <kamenim at samba.org>
Date:   Mon Nov 15 07:41:50 2010 +0200

    s4-pyldb_util: Move ldb Type searching into separate function

commit 88e460190014880d6e4a4eae063a773d9ff5a09c
Author: Kamen Mazdrashki <kamenim at samba.org>
Date:   Mon Nov 15 05:30:54 2010 +0200

    s4-pyldb: Few miss-alignments aligned

commit 72fcfedd89b3b8c41b527c4f25fdac518e20c8f2
Author: Kamen Mazdrashki <kamenim at samba.org>
Date:   Mon Nov 15 04:53:05 2010 +0200

    s4-pyldb: Move PyLdbMessage_FromMessage() in PyMessage group of functions

commit d42ea3263af581bc3c533ad83b71710fa0b2fa39
Author: Kamen Mazdrashki <kamenim at samba.org>
Date:   Mon Nov 15 04:20:31 2010 +0200

    s4-pyldb: Fix wrong type of 'self' parameter

-----------------------------------------------------------------------

Summary of changes:
 source4/lib/ldb/pyldb.c                 |  182 +++++++++++++++++++++----------
 source4/lib/ldb/pyldb.h                 |    2 +-
 source4/lib/ldb/pyldb_util.c            |   46 +++++---
 source4/lib/ldb/tests/python/api.py     |   24 ++++-
 source4/scripting/python/samba/samdb.py |    7 +-
 5 files changed, 179 insertions(+), 82 deletions(-)


Changeset truncated at 500 lines:

diff --git a/source4/lib/ldb/pyldb.c b/source4/lib/ldb/pyldb.c
index 1f5bd1e..d4b6300 100644
--- a/source4/lib/ldb/pyldb.c
+++ b/source4/lib/ldb/pyldb.c
@@ -48,8 +48,8 @@ static void PyErr_SetLdbError(PyObject *error, int ret, struct ldb_context *ldb_
 		return; /* Python exception should already be set, just keep that */
 
 	PyErr_SetObject(error, 
-					Py_BuildValue(discard_const_p(char, "(i,s)"), ret, 
-				  ldb_ctx == NULL?ldb_strerror(ret):ldb_errstring(ldb_ctx)));
+			Py_BuildValue(discard_const_p(char, "(i,s)"), ret,
+				      ldb_ctx == NULL?ldb_strerror(ret):ldb_errstring(ldb_ctx)));
 }
 
 static PyObject *PyExc_LdbError;
@@ -64,8 +64,8 @@ PyAPI_DATA(PyTypeObject) PyLdbTree;
 static PyObject *PyLdb_FromLdbContext(struct ldb_context *ldb_ctx);
 
 static PyObject *PyObject_FromLdbValue(struct ldb_context *ldb_ctx, 
-							   struct ldb_message_element *el, 
-							   struct ldb_val *val)
+				       struct ldb_message_element *el,
+				       struct ldb_val *val)
 {
 	struct ldb_val new_val;
 	TALLOC_CTX *mem_ctx = talloc_new(NULL);
@@ -95,8 +95,7 @@ static PyObject *PyLdbResult_FromResult(struct ldb_result *result)
 	} 
 	ret = PyList_New(result->count);
 	for (i = 0; i < result->count; i++) {
-		PyList_SetItem(ret, i, PyLdbMessage_FromMessage(result->msgs[i])
-		);
+		PyList_SetItem(ret, i, PyLdbMessage_FromMessage(result->msgs[i]));
 	}
 	return ret;
 }
@@ -110,7 +109,7 @@ static PyObject *PyLdbResult_FromResult(struct ldb_result *result)
  * @return a ldb_result, or NULL if the conversion failed
  */
 static struct ldb_result *PyLdbResult_AsResult(TALLOC_CTX *mem_ctx, 
-											   PyObject *obj)
+					       PyObject *obj)
 {
 	struct ldb_result *res;
 	Py_ssize_t i;
@@ -490,7 +489,7 @@ static PyObject *py_ldb_get_default_basedn(PyLdbObject *self)
 }
 
 static const char **PyList_AsStringList(TALLOC_CTX *mem_ctx, PyObject *list, 
-										const char *paramname)
+					const char *paramname)
 {
 	const char **ret;
 	Py_ssize_t i;
@@ -506,7 +505,7 @@ static const char **PyList_AsStringList(TALLOC_CTX *mem_ctx, PyObject *list,
 			return NULL;
 		}
 		ret[i] = talloc_strndup(ret, PyString_AsString(item),
-							   PyString_Size(item));
+					PyString_Size(item));
 	}
 	ret[i] = NULL;
 	return ret;
@@ -682,21 +681,75 @@ static PyObject *py_ldb_modify(PyLdbObject *self, PyObject *args)
 }
 
 
+/**
+ * Obtain a ldb message from a Python Dictionary object.
+ *
+ * @param mem_ctx Memory context
+ * @param py_obj Python Dictionary object
+ * @param ldb_ctx LDB context
+ * @param mod_flags Flags to be set on every message element
+ * @return ldb_message on success or NULL on failure
+ */
+static struct ldb_message *PyDict_AsMessage(TALLOC_CTX *mem_ctx,
+					    PyObject *py_obj,
+					    struct ldb_context *ldb_ctx,
+					    unsigned int mod_flags)
+{
+	struct ldb_message *msg;
+	unsigned int msg_pos = 0;
+	Py_ssize_t dict_pos = 0;
+	PyObject *key, *value;
+	struct ldb_message_element *msg_el;
+	PyObject *dn_value = PyDict_GetItemString(py_obj, "dn");
+
+	msg = ldb_msg_new(mem_ctx);
+	msg->elements = talloc_zero_array(msg, struct ldb_message_element, PyDict_Size(py_obj));
+
+	if (dn_value) {
+		if (!PyObject_AsDn(msg, dn_value, ldb_ctx, &msg->dn)) {
+			PyErr_SetString(PyExc_TypeError, "unable to import dn object");
+			return NULL;
+		}
+		if (msg->dn == NULL) {
+			PyErr_SetString(PyExc_TypeError, "dn set but not found");
+			return NULL;
+		}
+	} else {
+		PyErr_SetString(PyExc_TypeError, "no dn set");
+		return NULL;
+	}
+
+	while (PyDict_Next(py_obj, &dict_pos, &key, &value)) {
+		char *key_str = PyString_AsString(key);
+		if (strcmp(key_str, "dn") != 0) {
+			msg_el = PyObject_AsMessageElement(msg->elements, value,
+							   mod_flags, key_str);
+			if (msg_el == NULL) {
+				PyErr_SetString(PyExc_TypeError, "unable to import element");
+				return NULL;
+			}
+			memcpy(&msg->elements[msg_pos], msg_el, sizeof(*msg_el));
+			msg_pos++;
+		}
+	}
+
+	msg->num_elements = msg_pos;
+
+	return msg;
+}
+
 static PyObject *py_ldb_add(PyLdbObject *self, PyObject *args)
 {
-	PyObject *py_msg;
+	PyObject *py_obj;
 	int ret;
-	Py_ssize_t dict_pos, msg_pos;
-	struct ldb_message_element *msgel;
-	struct ldb_message *msg;
 	struct ldb_context *ldb_ctx;
 	struct ldb_request *req;
-	PyObject *key, *value;
+	struct ldb_message *msg = NULL;
 	PyObject *py_controls = Py_None;
 	TALLOC_CTX *mem_ctx;
 	struct ldb_control **parsed_controls;
 
-	if (!PyArg_ParseTuple(args, "O|O", &py_msg, &py_controls ))
+	if (!PyArg_ParseTuple(args, "O|O", &py_obj, &py_controls ))
 		return NULL;
 
 	mem_ctx = talloc_new(NULL);
@@ -713,49 +766,22 @@ static PyObject *py_ldb_add(PyLdbObject *self, PyObject *args)
 		parsed_controls = ldb_parse_control_strings(ldb_ctx, mem_ctx, controls);
 		talloc_free(controls);
 	}
-	if (PyDict_Check(py_msg)) {
-		PyObject *dn_value = PyDict_GetItemString(py_msg, "dn");
-		msg = ldb_msg_new(mem_ctx);
-		msg->elements = talloc_zero_array(msg, struct ldb_message_element, PyDict_Size(py_msg));
-		msg_pos = dict_pos = 0;
-		if (dn_value) {
-		   	if (!PyObject_AsDn(msg, dn_value, ldb_ctx, &msg->dn)) {
-		   		PyErr_SetString(PyExc_TypeError, "unable to import dn object");
-				talloc_free(mem_ctx);
-				return NULL;
-			}
-			if (msg->dn == NULL) {
-				PyErr_SetString(PyExc_TypeError, "dn set but not found");
-				talloc_free(mem_ctx);
-				return NULL;
-			}
-		}
 
-		while (PyDict_Next(py_msg, &dict_pos, &key, &value)) {
-			char *key_str = PyString_AsString(key);
-			if (strcmp(key_str, "dn") != 0) {
-				msgel = PyObject_AsMessageElement(msg->elements, value, 0, key_str);
-				if (msgel == NULL) {
-					PyErr_SetString(PyExc_TypeError, "unable to import element");
-					talloc_free(mem_ctx);
-					return NULL;
-				}
-				memcpy(&msg->elements[msg_pos], msgel, sizeof(*msgel));
-				msg_pos++;
-			}
-		}
-
-		if (msg->dn == NULL) {
-			PyErr_SetString(PyExc_TypeError, "no dn set");
-			talloc_free(mem_ctx);
-			return NULL;
-		}
-
-		msg->num_elements = msg_pos;
+	if (PyLdbMessage_Check(py_obj)) {
+		msg = PyLdbMessage_AsMessage(py_obj);
+	} else if (PyDict_Check(py_obj)) {
+		msg = PyDict_AsMessage(mem_ctx, py_obj, ldb_ctx, LDB_FLAG_MOD_ADD);
 	} else {
-		msg = PyLdbMessage_AsMessage(py_msg);
+		PyErr_SetString(PyExc_TypeError,
+				"Dictionary or LdbMessage object expected!");
+	}
+
+	if (!msg) {
+		/* we should have a PyErr already set */
+		talloc_free(mem_ctx);
+		return NULL;
 	}
-        
+
 	ret = ldb_msg_sanity_check(ldb_ctx, msg);
         if (ret != LDB_SUCCESS) {
 		PyErr_LDB_ERROR_IS_ERR_RAISE(PyExc_LdbError, ret, ldb_ctx);
@@ -994,7 +1020,7 @@ static PyObject *ldb_ldif_to_pyobject(struct ldb_ldif *ldif)
 }
 
 
-static PyObject *py_ldb_write_ldif(PyLdbMessageObject *self, PyObject *args)
+static PyObject *py_ldb_write_ldif(PyLdbObject *self, PyObject *args)
 {
 	int changetype;
 	PyObject *py_msg;
@@ -1977,6 +2003,45 @@ PyTypeObject PyLdbMessageElement = {
 	.tp_flags = Py_TPFLAGS_DEFAULT,
 };
 
+
+static PyObject *py_ldb_msg_from_dict(PyTypeObject *type, PyObject *args)
+{
+	PyObject *py_ldb;
+	PyObject *py_dict;
+	PyObject *py_ret;
+	struct ldb_message *msg;
+	struct ldb_context *ldb_ctx;
+	unsigned int mod_flags = LDB_FLAG_MOD_REPLACE;
+
+	if (!PyArg_ParseTuple(args, "O!O!|I",
+			      &PyLdb, &py_ldb, &PyDict_Type, &py_dict,
+			      &mod_flags)) {
+		return NULL;
+	}
+
+	/* mask only flags we are going to use */
+	mod_flags = LDB_FLAG_MOD_TYPE(mod_flags);
+	if (!mod_flags) {
+		PyErr_SetString(PyExc_ValueError,
+				"FLAG_MOD_ADD, FLAG_MOD_REPLACE or FLAG_MOD_DELETE"
+				" expected as mod_flag value");
+		return NULL;
+	}
+
+	ldb_ctx = PyLdb_AsLdbContext(py_ldb);
+
+	msg = PyDict_AsMessage(ldb_ctx, py_dict, ldb_ctx, mod_flags);
+	if (!msg) {
+		return NULL;
+	}
+
+	py_ret = PyLdbMessage_FromMessage(msg);
+
+	talloc_unlink(ldb_ctx, msg);
+
+	return py_ret;
+}
+
 static PyObject *py_ldb_msg_remove_attr(PyLdbMessageObject *self, PyObject *args)
 {
 	char *name;
@@ -2064,6 +2129,11 @@ static PyObject *py_ldb_msg_items(PyLdbMessageObject *self)
 }
 
 static PyMethodDef py_ldb_msg_methods[] = { 
+	{ "from_dict", (PyCFunction)py_ldb_msg_from_dict, METH_CLASS | METH_VARARGS,
+		"Message.from_dict(ldb, dict, mod_flag) -> ldb.Message\n"
+		"Class method to create ldb.Message object from Dictionary.\n"
+		"mod_flag is one of FLAG_MOD_ADD, FLAG_MOD_REPLACE or FLAG_MOD_DELETE.\n"
+		"mod_flag defaults to FLAG_MOD_REPLACE"},
 	{ "keys", (PyCFunction)py_ldb_msg_keys, METH_NOARGS, NULL },
 	{ "remove", (PyCFunction)py_ldb_msg_remove_attr, METH_VARARGS, NULL },
 	{ "get", (PyCFunction)py_ldb_msg_get, METH_VARARGS, NULL },
diff --git a/source4/lib/ldb/pyldb.h b/source4/lib/ldb/pyldb.h
index 545011e..1f4bdf7 100644
--- a/source4/lib/ldb/pyldb.h
+++ b/source4/lib/ldb/pyldb.h
@@ -54,6 +54,7 @@ typedef struct {
 	TALLOC_CTX *mem_ctx;
 	struct ldb_message *msg;
 } PyLdbMessageObject;
+PyObject *PyLdbMessage_FromMessage(struct ldb_message *message);
 #define PyLdbMessage_Check(ob) PyObject_TypeCheck(ob, &PyLdbMessage)
 #define PyLdbMessage_AsMessage(pyobj) ((PyLdbMessageObject *)pyobj)->msg
 
@@ -62,7 +63,6 @@ typedef struct {
 	TALLOC_CTX *mem_ctx;
 	struct ldb_module *mod;
 } PyLdbModuleObject;
-PyObject *PyLdbMessage_FromMessage(struct ldb_message *message);
 PyObject *PyLdbModule_FromModule(struct ldb_module *mod);
 #define PyLdbModule_AsModule(pyobj) ((PyLdbModuleObject *)pyobj)->mod
 
diff --git a/source4/lib/ldb/pyldb_util.c b/source4/lib/ldb/pyldb_util.c
index 170c291..3e015d0 100644
--- a/source4/lib/ldb/pyldb_util.c
+++ b/source4/lib/ldb/pyldb_util.c
@@ -41,6 +41,26 @@ typedef intargfunc ssizeargfunc;
 #define Py_RETURN_NONE return Py_INCREF(Py_None), Py_None
 #endif
 
+
+/**
+ * Find out PyTypeObject in ldb module for a given typename
+ */
+static PyTypeObject * PyLdb_GetPyType(const char *typename)
+{
+	PyObject *py_obj = NULL;
+
+	if (ldb_module == NULL) {
+		ldb_module = PyImport_ImportModule("ldb");
+		if (ldb_module == NULL) {
+			return NULL;
+		}
+	}
+
+	py_obj = PyObject_GetAttrString(ldb_module, typename);
+
+	return (PyTypeObject*)py_obj;
+}
+
 /**
  * Obtain a ldb DN from a Python object.
  *
@@ -53,7 +73,7 @@ bool PyObject_AsDn(TALLOC_CTX *mem_ctx, PyObject *object,
 		   struct ldb_context *ldb_ctx, struct ldb_dn **dn)
 {
 	struct ldb_dn *odn;
-	PyObject *PyLdb_Dn_Type;
+	PyTypeObject *PyLdb_Dn_Type;
 
 	if (ldb_ctx != NULL && PyString_Check(object)) {
 		odn = ldb_dn_new(mem_ctx, ldb_ctx, PyString_AsString(object));
@@ -61,17 +81,12 @@ bool PyObject_AsDn(TALLOC_CTX *mem_ctx, PyObject *object,
 		return true;
 	}
 
-	if (ldb_module == NULL) {
-		ldb_module = PyImport_ImportModule("ldb");
-		if (ldb_module == NULL)
-			return false;
-	}
-
-	PyLdb_Dn_Type = PyObject_GetAttrString(ldb_module, "Dn");
-	if (PyLdb_Dn_Type == NULL)
+	PyLdb_Dn_Type = PyLdb_GetPyType("Dn");
+	if (PyLdb_Dn_Type == NULL) {
 		return false;
+	}
 
-	if (PyObject_TypeCheck(object, (PyTypeObject *) PyLdb_Dn_Type)) {
+	if (PyObject_TypeCheck(object, PyLdb_Dn_Type)) {
 		*dn = PyLdbDn_AsDn(object);
 		return true;
 	}
@@ -89,15 +104,10 @@ PyObject *PyLdbDn_FromDn(struct ldb_dn *dn)
 		Py_RETURN_NONE;
 	}
 
-	if (ldb_module == NULL) {
-		ldb_module = PyImport_ImportModule("ldb");
-		if (ldb_module == NULL)
-			return NULL;
-	}
-
-	PyLdb_Dn_Type = (PyTypeObject *)PyObject_GetAttrString(ldb_module, "Dn");
-	if (PyLdb_Dn_Type == NULL)
+	PyLdb_Dn_Type = PyLdb_GetPyType("Dn");
+	if (PyLdb_Dn_Type == NULL) {
 		return NULL;
+	}
 
 	py_ret = (PyLdbDnObject *)PyLdb_Dn_Type->tp_alloc(PyLdb_Dn_Type, 0);
 	if (py_ret == NULL) {
diff --git a/source4/lib/ldb/tests/python/api.py b/source4/lib/ldb/tests/python/api.py
index 3e43d4a..31d1319 100755
--- a/source4/lib/ldb/tests/python/api.py
+++ b/source4/lib/ldb/tests/python/api.py
@@ -9,7 +9,12 @@ import ldb
 
 
 def filename():
-    return os.tempnam()
+    import tempfile
+    try:
+        dir_prefix = os.path.join(os.environ["SELFTEST_PREFIX"], "tmp")
+    except KeyError:
+        dir_prefix = None
+    return tempfile.mktemp(dir=dir_prefix)
 
 class NoContextTests(unittest.TestCase):
 
@@ -532,6 +537,23 @@ class LdbMsgTests(unittest.TestCase):
         self.assertNotEquals(msg1, msg2)
         msg2['foo'] = 'blie'
 
+    def test_from_dict(self):
+        rec = {"dn": "dc=fromdict",
+               "a1": ["a1-val1", "a1-val1"]}
+        l = ldb.Ldb()
+        # check different types of input Flags
+        for flags in [ldb.FLAG_MOD_ADD, ldb.FLAG_MOD_REPLACE, ldb.FLAG_MOD_DELETE]:
+            m = ldb.Message.from_dict(l, rec, flags)
+            self.assertEquals(rec["a1"], list(m["a1"]))
+            self.assertEquals(flags, m["a1"].flags())
+        # check input params
+        self.assertRaises(TypeError, ldb.Message.from_dict, dict(), rec, ldb.FLAG_MOD_REPLACE)
+        self.assertRaises(TypeError, ldb.Message.from_dict, l, list(), ldb.FLAG_MOD_REPLACE)
+        self.assertRaises(ValueError, ldb.Message.from_dict, l, rec, 0)
+        # Message.from_dict expects dictionary with 'dn'
+        err_rec = {"a1": ["a1-val1", "a1-val1"]}
+        self.assertRaises(TypeError, ldb.Message.from_dict, l, err_rec, ldb.FLAG_MOD_REPLACE)
+
 
 
 class MessageElementTests(unittest.TestCase):
diff --git a/source4/scripting/python/samba/samdb.py b/source4/scripting/python/samba/samdb.py
index 38f018f..61d7c3e 100644
--- a/source4/scripting/python/samba/samdb.py
+++ b/source4/scripting/python/samba/samdb.py
@@ -68,12 +68,7 @@ class SamDB(samba.Ldb):
         return dsdb._am_rodc(self)
 
     def domain_dn(self):
-        res = self.search(base="",
-                          scope=ldb.SCOPE_BASE,
-                          expression="(defaultNamingContext=*)",
-                          attrs=["defaultNamingContext"])
-        assert(len(res) == 1 and res[0]["defaultNamingContext"] is not None)
-        return res[0]["defaultNamingContext"][0]
+        return str(self.get_default_basedn())
 
     def enable_account(self, search_filter):
         """Enables an account


-- 
Samba Shared Repository


More information about the samba-cvs mailing list