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 }