lib/tdb: Sync tdb from samba git tree
[vlendec/samba-autobuild/.git] / ctdb / lib / tdb / pytdb.c
1 /* 
2    Unix SMB/CIFS implementation.
3
4    Python interface to tdb.
5
6    Copyright (C) 2004-2006 Tim Potter <tpot@samba.org>
7    Copyright (C) 2007-2008 Jelmer Vernooij <jelmer@samba.org>
8
9      ** NOTE! The following LGPL license applies to the tdb
10      ** library. This does NOT imply that all of Samba is released
11      ** under the LGPL
12
13    This library is free software; you can redistribute it and/or
14    modify it under the terms of the GNU Lesser General Public
15    License as published by the Free Software Foundation; either
16    version 3 of the License, or (at your option) any later version.
17
18    This library is distributed in the hope that it will be useful,
19    but WITHOUT ANY WARRANTY; without even the implied warranty of
20    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
21    Lesser General Public License for more details.
22
23    You should have received a copy of the GNU Lesser General Public
24    License along with this library; if not, see <http://www.gnu.org/licenses/>.
25 */
26
27 #include <Python.h>
28 #include "replace.h"
29 #include "system/filesys.h"
30
31 #ifndef Py_RETURN_NONE
32 #define Py_RETURN_NONE return Py_INCREF(Py_None), Py_None
33 #endif
34
35 /* Include tdb headers */
36 #include <tdb.h>
37
38 typedef struct {
39         PyObject_HEAD
40         TDB_CONTEXT *ctx;
41         bool closed;
42 } PyTdbObject;
43
44 staticforward PyTypeObject PyTdb;
45
46 static void PyErr_SetTDBError(TDB_CONTEXT *tdb)
47 {
48         PyErr_SetObject(PyExc_RuntimeError, 
49                 Py_BuildValue("(i,s)", tdb_error(tdb), tdb_errorstr(tdb)));
50 }
51
52 static TDB_DATA PyString_AsTDB_DATA(PyObject *data)
53 {
54         TDB_DATA ret;
55         ret.dptr = (unsigned char *)PyString_AsString(data);
56         ret.dsize = PyString_Size(data);
57         return ret;
58 }
59
60 static PyObject *PyString_FromTDB_DATA(TDB_DATA data)
61 {
62         if (data.dptr == NULL && data.dsize == 0) {
63                 Py_RETURN_NONE;
64         } else {
65                 PyObject *ret = PyString_FromStringAndSize((const char *)data.dptr, 
66                                                                                                    data.dsize);
67                 free(data.dptr);
68                 return ret;
69     }
70 }
71
72 #define PyErr_TDB_ERROR_IS_ERR_RAISE(ret, tdb) \
73         if (ret != 0) { \
74                 PyErr_SetTDBError(tdb); \
75                 return NULL; \
76         }
77
78 static PyObject *py_tdb_open(PyTypeObject *type, PyObject *args, PyObject *kwargs)
79 {
80         char *name = NULL;
81         int hash_size = 0, tdb_flags = TDB_DEFAULT, flags = O_RDWR, mode = 0600;
82         TDB_CONTEXT *ctx;
83         PyTdbObject *ret;
84         const char *kwnames[] = { "name", "hash_size", "tdb_flags", "flags", "mode", NULL };
85
86         if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|siiii", (char **)kwnames, &name, &hash_size, &tdb_flags, &flags, &mode))
87                 return NULL;
88
89         if (name == NULL) {
90                 tdb_flags |= TDB_INTERNAL;
91         }
92
93         ctx = tdb_open(name, hash_size, tdb_flags, flags, mode);
94         if (ctx == NULL) {
95                 PyErr_SetFromErrno(PyExc_IOError);
96                 return NULL;
97         }
98
99         ret = PyObject_New(PyTdbObject, &PyTdb);
100         if (!ret) {
101                 tdb_close(ctx);
102                 return NULL;
103         }
104
105         ret->ctx = ctx;
106         ret->closed = false;
107         return (PyObject *)ret;
108 }
109
110 static PyObject *obj_transaction_cancel(PyTdbObject *self)
111 {
112         int ret = tdb_transaction_cancel(self->ctx);
113         PyErr_TDB_ERROR_IS_ERR_RAISE(ret, self->ctx);
114         Py_RETURN_NONE;
115 }
116
117 static PyObject *obj_transaction_commit(PyTdbObject *self)
118 {
119         int ret = tdb_transaction_commit(self->ctx);
120         PyErr_TDB_ERROR_IS_ERR_RAISE(ret, self->ctx);
121         Py_RETURN_NONE;
122 }
123
124 static PyObject *obj_transaction_prepare_commit(PyTdbObject *self)
125 {
126         int ret = tdb_transaction_prepare_commit(self->ctx);
127         PyErr_TDB_ERROR_IS_ERR_RAISE(ret, self->ctx);
128         Py_RETURN_NONE;
129 }
130
131 static PyObject *obj_transaction_start(PyTdbObject *self)
132 {
133         int ret = tdb_transaction_start(self->ctx);
134         PyErr_TDB_ERROR_IS_ERR_RAISE(ret, self->ctx);
135         Py_RETURN_NONE;
136 }
137
138 static PyObject *obj_reopen(PyTdbObject *self)
139 {
140         int ret = tdb_reopen(self->ctx);
141         PyErr_TDB_ERROR_IS_ERR_RAISE(ret, self->ctx);
142         Py_RETURN_NONE;
143 }
144
145 static PyObject *obj_lockall(PyTdbObject *self)
146 {
147         int ret = tdb_lockall(self->ctx);
148         PyErr_TDB_ERROR_IS_ERR_RAISE(ret, self->ctx);
149         Py_RETURN_NONE;
150 }
151
152 static PyObject *obj_unlockall(PyTdbObject *self)
153 {
154         int ret = tdb_unlockall(self->ctx);
155         PyErr_TDB_ERROR_IS_ERR_RAISE(ret, self->ctx);
156         Py_RETURN_NONE;
157 }
158
159 static PyObject *obj_lockall_read(PyTdbObject *self)
160 {
161         int ret = tdb_lockall_read(self->ctx);
162         PyErr_TDB_ERROR_IS_ERR_RAISE(ret, self->ctx);
163         Py_RETURN_NONE;
164 }
165
166 static PyObject *obj_unlockall_read(PyTdbObject *self)
167 {
168         int ret = tdb_unlockall_read(self->ctx);
169         PyErr_TDB_ERROR_IS_ERR_RAISE(ret, self->ctx);
170         Py_RETURN_NONE;
171 }
172
173 static PyObject *obj_close(PyTdbObject *self)
174 {
175         int ret;
176         if (self->closed)
177                 Py_RETURN_NONE;
178         ret = tdb_close(self->ctx);
179         self->closed = true;
180         PyErr_TDB_ERROR_IS_ERR_RAISE(ret, self->ctx);
181         Py_RETURN_NONE;
182 }
183
184 static PyObject *obj_get(PyTdbObject *self, PyObject *args)
185 {
186         TDB_DATA key;
187         PyObject *py_key;
188         if (!PyArg_ParseTuple(args, "O", &py_key))
189                 return NULL;
190
191         key = PyString_AsTDB_DATA(py_key);
192
193         return PyString_FromTDB_DATA(tdb_fetch(self->ctx, key));
194 }
195
196 static PyObject *obj_append(PyTdbObject *self, PyObject *args)
197 {
198         TDB_DATA key, data;
199         PyObject *py_key, *py_data;
200         int ret;
201         if (!PyArg_ParseTuple(args, "OO", &py_key, &py_data))
202                 return NULL;
203
204         key = PyString_AsTDB_DATA(py_key);
205         data = PyString_AsTDB_DATA(py_data);
206
207         ret = tdb_append(self->ctx, key, data);
208         PyErr_TDB_ERROR_IS_ERR_RAISE(ret, self->ctx);
209         Py_RETURN_NONE;
210 }
211
212 static PyObject *obj_firstkey(PyTdbObject *self)
213 {
214         return PyString_FromTDB_DATA(tdb_firstkey(self->ctx));
215 }
216
217 static PyObject *obj_nextkey(PyTdbObject *self, PyObject *args)
218 {
219         TDB_DATA key;
220         PyObject *py_key;
221         if (!PyArg_ParseTuple(args, "O", &py_key))
222                 return NULL;
223
224         key = PyString_AsTDB_DATA(py_key);
225         
226         return PyString_FromTDB_DATA(tdb_nextkey(self->ctx, key));
227 }
228
229 static PyObject *obj_delete(PyTdbObject *self, PyObject *args)
230 {
231         TDB_DATA key;
232         PyObject *py_key;
233         int ret;
234         if (!PyArg_ParseTuple(args, "O", &py_key))
235                 return NULL;
236
237         key = PyString_AsTDB_DATA(py_key);
238         ret = tdb_delete(self->ctx, key);
239         PyErr_TDB_ERROR_IS_ERR_RAISE(ret, self->ctx);
240         Py_RETURN_NONE;
241 }
242
243 static PyObject *obj_has_key(PyTdbObject *self, PyObject *args)
244 {
245         TDB_DATA key;
246         int ret;
247         PyObject *py_key;
248         if (!PyArg_ParseTuple(args, "O", &py_key))
249                 return NULL;
250
251         key = PyString_AsTDB_DATA(py_key);
252         ret = tdb_exists(self->ctx, key);
253         if (ret != TDB_ERR_NOEXIST) {
254                 PyErr_TDB_ERROR_IS_ERR_RAISE(ret, self->ctx);
255         }
256
257         return (ret == TDB_ERR_NOEXIST)?Py_False:Py_True;
258 }
259
260 static PyObject *obj_store(PyTdbObject *self, PyObject *args)
261 {
262         TDB_DATA key, value;
263         int ret;
264         int flag = TDB_REPLACE;
265         PyObject *py_key, *py_value;
266
267         if (!PyArg_ParseTuple(args, "OO|i", &py_key, &py_value, &flag))
268                 return NULL;
269
270         key = PyString_AsTDB_DATA(py_key);
271         value = PyString_AsTDB_DATA(py_value);
272
273         ret = tdb_store(self->ctx, key, value, flag);
274         PyErr_TDB_ERROR_IS_ERR_RAISE(ret, self->ctx);
275         Py_RETURN_NONE;
276 }
277
278 static PyObject *obj_add_flags(PyTdbObject *self, PyObject *args)
279 {
280         unsigned flags;
281
282         if (!PyArg_ParseTuple(args, "I", &flags))
283                 return NULL;
284
285         tdb_add_flags(self->ctx, flags);
286         Py_RETURN_NONE;
287 }
288
289 static PyObject *obj_remove_flags(PyTdbObject *self, PyObject *args)
290 {
291         unsigned flags;
292
293         if (!PyArg_ParseTuple(args, "I", &flags))
294                 return NULL;
295
296         tdb_remove_flags(self->ctx, flags);
297         Py_RETURN_NONE;
298 }
299
300 typedef struct {
301         PyObject_HEAD
302         TDB_DATA current;
303         PyTdbObject *iteratee;
304 } PyTdbIteratorObject;
305
306 static PyObject *tdb_iter_next(PyTdbIteratorObject *self)
307 {
308         TDB_DATA current;
309         PyObject *ret;
310         if (self->current.dptr == NULL && self->current.dsize == 0)
311                 return NULL;
312         current = self->current;
313         self->current = tdb_nextkey(self->iteratee->ctx, self->current);
314         ret = PyString_FromTDB_DATA(current);
315         return ret;
316 }
317
318 static void tdb_iter_dealloc(PyTdbIteratorObject *self)
319 {
320         Py_DECREF(self->iteratee);
321         PyObject_Del(self);
322 }
323
324 PyTypeObject PyTdbIterator = {
325         .tp_name = "Iterator",
326         .tp_basicsize = sizeof(PyTdbIteratorObject),
327         .tp_iternext = (iternextfunc)tdb_iter_next,
328         .tp_dealloc = (destructor)tdb_iter_dealloc,
329         .tp_flags = Py_TPFLAGS_DEFAULT,
330         .tp_iter = PyObject_SelfIter,
331 };
332
333 static PyObject *tdb_object_iter(PyTdbObject *self)
334 {
335         PyTdbIteratorObject *ret;       
336
337         ret = PyObject_New(PyTdbIteratorObject, &PyTdbIterator);
338         if (!ret)
339                 return NULL;
340         ret->current = tdb_firstkey(self->ctx);
341         ret->iteratee = self;
342         Py_INCREF(self);
343         return (PyObject *)ret;
344 }
345
346 static PyObject *obj_clear(PyTdbObject *self)
347 {
348         int ret = tdb_wipe_all(self->ctx);
349         PyErr_TDB_ERROR_IS_ERR_RAISE(ret, self->ctx);
350         Py_RETURN_NONE;
351 }
352
353 static PyObject *obj_repack(PyTdbObject *self)
354 {
355         int ret = tdb_repack(self->ctx);
356         PyErr_TDB_ERROR_IS_ERR_RAISE(ret, self->ctx);
357         Py_RETURN_NONE;
358 }
359
360 static PyObject *obj_enable_seqnum(PyTdbObject *self)
361 {
362         tdb_enable_seqnum(self->ctx);
363         Py_RETURN_NONE;
364 }
365
366 static PyObject *obj_increment_seqnum_nonblock(PyTdbObject *self)
367 {
368         tdb_increment_seqnum_nonblock(self->ctx);
369         Py_RETURN_NONE;
370 }
371
372 static PyMethodDef tdb_object_methods[] = {
373         { "transaction_cancel", (PyCFunction)obj_transaction_cancel, METH_NOARGS, 
374                 "S.transaction_cancel() -> None\n"
375                 "Cancel the currently active transaction." },
376         { "transaction_commit", (PyCFunction)obj_transaction_commit, METH_NOARGS,
377                 "S.transaction_commit() -> None\n"
378                 "Commit the currently active transaction." },
379         { "transaction_prepare_commit", (PyCFunction)obj_transaction_prepare_commit, METH_NOARGS,
380                 "S.transaction_prepare_commit() -> None\n"
381                 "Prepare to commit the currently active transaction" },
382         { "transaction_start", (PyCFunction)obj_transaction_start, METH_NOARGS,
383                 "S.transaction_start() -> None\n"
384                 "Start a new transaction." },
385         { "reopen", (PyCFunction)obj_reopen, METH_NOARGS, "Reopen this file." },
386         { "lock_all", (PyCFunction)obj_lockall, METH_NOARGS, NULL },
387         { "unlock_all", (PyCFunction)obj_unlockall, METH_NOARGS, NULL },
388         { "read_lock_all", (PyCFunction)obj_lockall_read, METH_NOARGS, NULL },
389         { "read_unlock_all", (PyCFunction)obj_unlockall_read, METH_NOARGS, NULL },
390         { "close", (PyCFunction)obj_close, METH_NOARGS, NULL },
391         { "get", (PyCFunction)obj_get, METH_VARARGS, "S.get(key) -> value\n"
392                 "Fetch a value." },
393         { "append", (PyCFunction)obj_append, METH_VARARGS, "S.append(key, value) -> None\n"
394                 "Append data to an existing key." },
395         { "firstkey", (PyCFunction)obj_firstkey, METH_NOARGS, "S.firstkey() -> data\n"
396                 "Return the first key in this database." },
397         { "nextkey", (PyCFunction)obj_nextkey, METH_NOARGS, "S.nextkey(key) -> data\n"
398                 "Return the next key in this database." },
399         { "delete", (PyCFunction)obj_delete, METH_VARARGS, "S.delete(key) -> None\n"
400                 "Delete an entry." },
401         { "has_key", (PyCFunction)obj_has_key, METH_VARARGS, "S.has_key(key) -> None\n"
402                 "Check whether key exists in this database." },
403         { "store", (PyCFunction)obj_store, METH_VARARGS, "S.store(key, data, flag=REPLACE) -> None"
404                 "Store data." },
405         { "add_flags", (PyCFunction)obj_add_flags, METH_VARARGS, "S.add_flags(flags) -> None" },
406         { "remove_flags", (PyCFunction)obj_remove_flags, METH_VARARGS, "S.remove_flags(flags) -> None" },
407         { "iterkeys", (PyCFunction)tdb_object_iter, METH_NOARGS, "S.iterkeys() -> iterator" },
408         { "clear", (PyCFunction)obj_clear, METH_NOARGS, "S.clear() -> None\n"
409                 "Wipe the entire database." },
410         { "repack", (PyCFunction)obj_repack, METH_NOARGS, "S.repack() -> None\n"
411                 "Repack the entire database." },
412         { "enable_seqnum", (PyCFunction)obj_enable_seqnum, METH_NOARGS,
413                 "S.enable_seqnum() -> None" },
414         { "increment_seqnum_nonblock", (PyCFunction)obj_increment_seqnum_nonblock, METH_NOARGS,
415                 "S.increment_seqnum_nonblock() -> None" },
416         { NULL }
417 };
418
419 static PyObject *obj_get_hash_size(PyTdbObject *self, void *closure)
420 {
421         return PyInt_FromLong(tdb_hash_size(self->ctx));
422 }
423
424 static int obj_set_max_dead(PyTdbObject *self, PyObject *max_dead, void *closure)
425 {
426         if (!PyInt_Check(max_dead))
427                 return -1;
428         tdb_set_max_dead(self->ctx, PyInt_AsLong(max_dead));
429         return 0;
430 }
431
432 static PyObject *obj_get_map_size(PyTdbObject *self, void *closure)
433 {
434         return PyInt_FromLong(tdb_map_size(self->ctx));
435 }
436
437 static PyObject *obj_get_freelist_size(PyTdbObject *self, void *closure)
438 {
439         return PyInt_FromLong(tdb_freelist_size(self->ctx));
440 }
441
442 static PyObject *obj_get_flags(PyTdbObject *self, void *closure)
443 {
444         return PyInt_FromLong(tdb_get_flags(self->ctx));
445 }
446
447 static PyObject *obj_get_filename(PyTdbObject *self, void *closure)
448 {
449         return PyString_FromString(tdb_name(self->ctx));
450 }
451
452 static PyObject *obj_get_seqnum(PyTdbObject *self, void *closure)
453 {
454         return PyInt_FromLong(tdb_get_seqnum(self->ctx));
455 }
456
457
458 static PyGetSetDef tdb_object_getsetters[] = {
459         { (char *)"hash_size", (getter)obj_get_hash_size, NULL, NULL },
460         { (char *)"map_size", (getter)obj_get_map_size, NULL, NULL },
461         { (char *)"freelist_size", (getter)obj_get_freelist_size, NULL, NULL },
462         { (char *)"flags", (getter)obj_get_flags, NULL, NULL },
463         { (char *)"max_dead", NULL, (setter)obj_set_max_dead, NULL },
464         { (char *)"filename", (getter)obj_get_filename, NULL, (char *)"The filename of this TDB file."},
465         { (char *)"seqnum", (getter)obj_get_seqnum, NULL, NULL },
466         { NULL }
467 };
468
469 static PyObject *tdb_object_repr(PyTdbObject *self)
470 {
471         if (tdb_get_flags(self->ctx) & TDB_INTERNAL) {
472                 return PyString_FromString("Tdb(<internal>)");
473         } else {
474                 return PyString_FromFormat("Tdb('%s')", tdb_name(self->ctx));
475         }
476 }
477
478 static void tdb_object_dealloc(PyTdbObject *self)
479 {
480         if (!self->closed)
481                 tdb_close(self->ctx);
482         self->ob_type->tp_free(self);
483 }
484
485 static PyObject *obj_getitem(PyTdbObject *self, PyObject *key)
486 {
487         TDB_DATA tkey, val;
488         if (!PyString_Check(key)) {
489                 PyErr_SetString(PyExc_TypeError, "Expected string as key");
490                 return NULL;
491         }
492
493         tkey.dptr = (unsigned char *)PyString_AsString(key);
494         tkey.dsize = PyString_Size(key);
495
496         val = tdb_fetch(self->ctx, tkey);
497         if (val.dptr == NULL) {
498                 PyErr_SetString(PyExc_KeyError, "No such TDB entry");
499                 return NULL;
500         } else {
501                 return PyString_FromTDB_DATA(val);
502         }
503 }
504
505 static int obj_setitem(PyTdbObject *self, PyObject *key, PyObject *value)
506 {
507         TDB_DATA tkey, tval;
508         int ret;
509         if (!PyString_Check(key)) {
510                 PyErr_SetString(PyExc_TypeError, "Expected string as key");
511                 return -1;
512         }
513
514         tkey = PyString_AsTDB_DATA(key);
515
516         if (value == NULL) { 
517                 ret = tdb_delete(self->ctx, tkey);
518         } else { 
519                 if (!PyString_Check(value)) {
520                         PyErr_SetString(PyExc_TypeError, "Expected string as value");
521                         return -1;
522                 }
523
524                 tval = PyString_AsTDB_DATA(value);
525
526                 ret = tdb_store(self->ctx, tkey, tval, TDB_REPLACE);
527         }
528
529         if (ret != 0) {
530                 PyErr_SetTDBError(self->ctx);
531                 return -1;
532         } 
533
534         return ret;
535 }
536
537 static PyMappingMethods tdb_object_mapping = {
538         .mp_subscript = (binaryfunc)obj_getitem,
539         .mp_ass_subscript = (objobjargproc)obj_setitem,
540 };
541 static PyTypeObject PyTdb = {
542         .tp_name = "tdb.Tdb",
543         .tp_basicsize = sizeof(PyTdbObject),
544         .tp_methods = tdb_object_methods,
545         .tp_getset = tdb_object_getsetters,
546         .tp_new = py_tdb_open,
547         .tp_doc = "A TDB file",
548         .tp_repr = (reprfunc)tdb_object_repr,
549         .tp_dealloc = (destructor)tdb_object_dealloc,
550         .tp_as_mapping = &tdb_object_mapping,
551         .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_ITER,
552         .tp_iter = (getiterfunc)tdb_object_iter,
553 };
554
555 static PyMethodDef tdb_methods[] = {
556         { "open", (PyCFunction)py_tdb_open, METH_VARARGS|METH_KEYWORDS, "open(name, hash_size=0, tdb_flags=TDB_DEFAULT, flags=O_RDWR, mode=0600)\n"
557                 "Open a TDB file." },
558         { NULL }
559 };
560
561 void inittdb(void);
562 void inittdb(void)
563 {
564         PyObject *m;
565
566         if (PyType_Ready(&PyTdb) < 0)
567                 return;
568
569         if (PyType_Ready(&PyTdbIterator) < 0)
570                 return;
571
572         m = Py_InitModule3("tdb", tdb_methods,
573                 "simple key-value database that supports multiple writers.");
574         if (m == NULL)
575                 return;
576
577         PyModule_AddObject(m, "REPLACE", PyInt_FromLong(TDB_REPLACE));
578         PyModule_AddObject(m, "INSERT", PyInt_FromLong(TDB_INSERT));
579         PyModule_AddObject(m, "MODIFY", PyInt_FromLong(TDB_MODIFY));
580
581         PyModule_AddObject(m, "DEFAULT", PyInt_FromLong(TDB_DEFAULT));
582         PyModule_AddObject(m, "CLEAR_IF_FIRST", PyInt_FromLong(TDB_CLEAR_IF_FIRST));
583         PyModule_AddObject(m, "INTERNAL", PyInt_FromLong(TDB_INTERNAL));
584         PyModule_AddObject(m, "NOLOCK", PyInt_FromLong(TDB_NOLOCK));
585         PyModule_AddObject(m, "NOMMAP", PyInt_FromLong(TDB_NOMMAP));
586         PyModule_AddObject(m, "CONVERT", PyInt_FromLong(TDB_CONVERT));
587         PyModule_AddObject(m, "BIGENDIAN", PyInt_FromLong(TDB_BIGENDIAN));
588         PyModule_AddObject(m, "NOSYNC", PyInt_FromLong(TDB_NOSYNC));
589         PyModule_AddObject(m, "SEQNUM", PyInt_FromLong(TDB_SEQNUM));
590         PyModule_AddObject(m, "VOLATILE", PyInt_FromLong(TDB_VOLATILE));
591         PyModule_AddObject(m, "ALLOW_NESTING", PyInt_FromLong(TDB_ALLOW_NESTING));
592         PyModule_AddObject(m, "DISALLOW_NESTING", PyInt_FromLong(TDB_DISALLOW_NESTING));
593         PyModule_AddObject(m, "INCOMPATIBLE_HASH", PyInt_FromLong(TDB_INCOMPATIBLE_HASH));
594
595         PyModule_AddObject(m, "__docformat__", PyString_FromString("restructuredText"));
596
597         PyModule_AddObject(m, "__version__", PyString_FromString(PACKAGE_VERSION));
598
599         Py_INCREF(&PyTdb);
600         PyModule_AddObject(m, "Tdb", (PyObject *)&PyTdb);
601
602         Py_INCREF(&PyTdbIterator);
603 }