Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 1 | /*********************************************************** |
| 2 | Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam, |
| 3 | The Netherlands. |
| 4 | |
| 5 | All Rights Reserved |
| 6 | |
Guido van Rossum | d266eb4 | 1996-10-25 14:44:06 +0000 | [diff] [blame] | 7 | Permission to use, copy, modify, and distribute this software and its |
| 8 | documentation for any purpose and without fee is hereby granted, |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 9 | provided that the above copyright notice appear in all copies and that |
Guido van Rossum | d266eb4 | 1996-10-25 14:44:06 +0000 | [diff] [blame] | 10 | both that copyright notice and this permission notice appear in |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 11 | supporting documentation, and that the names of Stichting Mathematisch |
Guido van Rossum | d266eb4 | 1996-10-25 14:44:06 +0000 | [diff] [blame] | 12 | Centrum or CWI or Corporation for National Research Initiatives or |
| 13 | CNRI not be used in advertising or publicity pertaining to |
| 14 | distribution of the software without specific, written prior |
| 15 | permission. |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 16 | |
Guido van Rossum | d266eb4 | 1996-10-25 14:44:06 +0000 | [diff] [blame] | 17 | While CWI is the initial source for this software, a modified version |
| 18 | is made available by the Corporation for National Research Initiatives |
| 19 | (CNRI) at the Internet address ftp://ftp.python.org. |
| 20 | |
| 21 | STICHTING MATHEMATISCH CENTRUM AND CNRI DISCLAIM ALL WARRANTIES WITH |
| 22 | REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF |
| 23 | MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH |
| 24 | CENTRUM OR CNRI BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL |
| 25 | DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR |
| 26 | PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| 27 | TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
| 28 | PERFORMANCE OF THIS SOFTWARE. |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 29 | |
| 30 | ******************************************************************/ |
| 31 | |
| 32 | /* Berkeley DB interface. |
| 33 | Author: Michael McLay |
| 34 | Hacked: Guido van Rossum |
| 35 | Btree and Recno additions plus sequence methods: David Ely |
| 36 | |
| 37 | XXX To do: |
| 38 | - provide interface to the B-tree and record libraries too |
| 39 | - provide a way to access the various hash functions |
| 40 | - support more open flags |
| 41 | */ |
| 42 | |
Guido van Rossum | dfe8ad9 | 1996-07-24 00:51:20 +0000 | [diff] [blame] | 43 | #include "Python.h" |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 44 | |
| 45 | #include <sys/types.h> |
| 46 | #include <sys/stat.h> |
| 47 | #include <fcntl.h> |
| 48 | #include <db.h> |
| 49 | /* Please don't include internal header files of the Berkeley db package |
| 50 | (it messes up the info required in the Setup file) */ |
| 51 | |
| 52 | typedef struct { |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 53 | PyObject_HEAD |
| 54 | DB *di_bsddb; |
| 55 | int di_size; /* -1 means recompute */ |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 56 | } bsddbobject; |
| 57 | |
Guido van Rossum | dfe8ad9 | 1996-07-24 00:51:20 +0000 | [diff] [blame] | 58 | staticforward PyTypeObject Bsddbtype; |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 59 | |
| 60 | #define is_bsddbobject(v) ((v)->ob_type == &Bsddbtype) |
| 61 | |
Guido van Rossum | dfe8ad9 | 1996-07-24 00:51:20 +0000 | [diff] [blame] | 62 | static PyObject *BsddbError; |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 63 | |
Guido van Rossum | dfe8ad9 | 1996-07-24 00:51:20 +0000 | [diff] [blame] | 64 | static PyObject * |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 65 | newdbhashobject(file, flags, mode, |
| 66 | bsize, ffactor, nelem, cachesize, hash, lorder) |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 67 | char *file; |
| 68 | int flags; |
| 69 | int mode; |
| 70 | int bsize; |
| 71 | int ffactor; |
| 72 | int nelem; |
| 73 | int cachesize; |
| 74 | int hash; /* XXX ignored */ |
| 75 | int lorder; |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 76 | { |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 77 | bsddbobject *dp; |
| 78 | HASHINFO info; |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 79 | |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 80 | if ((dp = PyObject_NEW(bsddbobject, &Bsddbtype)) == NULL) |
| 81 | return NULL; |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 82 | |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 83 | info.bsize = bsize; |
| 84 | info.ffactor = ffactor; |
| 85 | info.nelem = nelem; |
| 86 | info.cachesize = cachesize; |
| 87 | info.hash = NULL; /* XXX should derive from hash argument */ |
| 88 | info.lorder = lorder; |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 89 | |
Guido van Rossum | 6beb479 | 1996-09-11 23:22:25 +0000 | [diff] [blame] | 90 | #ifdef O_BINARY |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 91 | flags |= O_BINARY; |
Guido van Rossum | 6beb479 | 1996-09-11 23:22:25 +0000 | [diff] [blame] | 92 | #endif |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 93 | if ((dp->di_bsddb = dbopen(file, flags, |
| 94 | mode, DB_HASH, &info)) == NULL) { |
| 95 | PyErr_SetFromErrno(BsddbError); |
| 96 | Py_DECREF(dp); |
| 97 | return NULL; |
| 98 | } |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 99 | |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 100 | dp->di_size = -1; |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 101 | |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 102 | return (PyObject *)dp; |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 103 | } |
| 104 | |
Guido van Rossum | dfe8ad9 | 1996-07-24 00:51:20 +0000 | [diff] [blame] | 105 | static PyObject * |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 106 | newdbbtobject(file, flags, mode, |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 107 | btflags, cachesize, maxkeypage, minkeypage, psize, lorder) |
| 108 | char *file; |
| 109 | int flags; |
| 110 | int mode; |
| 111 | int btflags; |
| 112 | int cachesize; |
| 113 | int maxkeypage; |
| 114 | int minkeypage; |
| 115 | int psize; |
| 116 | int lorder; |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 117 | { |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 118 | bsddbobject *dp; |
| 119 | BTREEINFO info; |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 120 | |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 121 | if ((dp = PyObject_NEW(bsddbobject, &Bsddbtype)) == NULL) |
| 122 | return NULL; |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 123 | |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 124 | info.flags = btflags; |
| 125 | info.cachesize = cachesize; |
| 126 | info.maxkeypage = maxkeypage; |
| 127 | info.minkeypage = minkeypage; |
| 128 | info.psize = psize; |
| 129 | info.lorder = lorder; |
| 130 | info.compare = 0; /* Use default comparison functions, for now..*/ |
| 131 | info.prefix = 0; |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 132 | |
Guido van Rossum | 6beb479 | 1996-09-11 23:22:25 +0000 | [diff] [blame] | 133 | #ifdef O_BINARY |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 134 | flags |= O_BINARY; |
Guido van Rossum | 6beb479 | 1996-09-11 23:22:25 +0000 | [diff] [blame] | 135 | #endif |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 136 | if ((dp->di_bsddb = dbopen(file, flags, |
| 137 | mode, DB_BTREE, &info)) == NULL) { |
| 138 | PyErr_SetFromErrno(BsddbError); |
| 139 | Py_DECREF(dp); |
| 140 | return NULL; |
| 141 | } |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 142 | |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 143 | dp->di_size = -1; |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 144 | |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 145 | return (PyObject *)dp; |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 146 | } |
| 147 | |
Guido van Rossum | dfe8ad9 | 1996-07-24 00:51:20 +0000 | [diff] [blame] | 148 | static PyObject * |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 149 | newdbrnobject(file, flags, mode, |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 150 | rnflags, cachesize, psize, lorder, reclen, bval, bfname) |
| 151 | char *file; |
| 152 | int flags; |
| 153 | int mode; |
| 154 | int rnflags; |
| 155 | int cachesize; |
| 156 | int psize; |
| 157 | int lorder; |
| 158 | size_t reclen; |
| 159 | u_char bval; |
| 160 | char *bfname; |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 161 | { |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 162 | bsddbobject *dp; |
| 163 | RECNOINFO info; |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 164 | |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 165 | if ((dp = PyObject_NEW(bsddbobject, &Bsddbtype)) == NULL) |
| 166 | return NULL; |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 167 | |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 168 | info.flags = rnflags; |
| 169 | info.cachesize = cachesize; |
| 170 | info.psize = psize; |
| 171 | info.lorder = lorder; |
| 172 | info.reclen = reclen; |
| 173 | info.bval = bval; |
| 174 | info.bfname = bfname; |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 175 | |
Guido van Rossum | 6beb479 | 1996-09-11 23:22:25 +0000 | [diff] [blame] | 176 | #ifdef O_BINARY |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 177 | flags |= O_BINARY; |
Guido van Rossum | 6beb479 | 1996-09-11 23:22:25 +0000 | [diff] [blame] | 178 | #endif |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 179 | if ((dp->di_bsddb = dbopen(file, flags, mode, |
| 180 | DB_RECNO, &info)) == NULL) { |
| 181 | PyErr_SetFromErrno(BsddbError); |
| 182 | Py_DECREF(dp); |
| 183 | return NULL; |
| 184 | } |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 185 | |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 186 | dp->di_size = -1; |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 187 | |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 188 | return (PyObject *)dp; |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 189 | } |
| 190 | |
| 191 | |
| 192 | static void |
| 193 | bsddb_dealloc(dp) |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 194 | bsddbobject *dp; |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 195 | { |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 196 | if (dp->di_bsddb != NULL) { |
| 197 | if ((dp->di_bsddb->close)(dp->di_bsddb) != 0) |
| 198 | fprintf(stderr, |
| 199 | "Python bsddb: close errno %d in dealloc\n", |
| 200 | errno); |
| 201 | } |
| 202 | PyMem_DEL(dp); |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 203 | } |
| 204 | |
| 205 | static int |
| 206 | bsddb_length(dp) |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 207 | bsddbobject *dp; |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 208 | { |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 209 | if (dp->di_size < 0) { |
| 210 | DBT krec, drec; |
| 211 | int status; |
| 212 | int size = 0; |
| 213 | for (status = (dp->di_bsddb->seq)(dp->di_bsddb, |
| 214 | &krec, &drec,R_FIRST); |
| 215 | status == 0; |
| 216 | status = (dp->di_bsddb->seq)(dp->di_bsddb, |
| 217 | &krec, &drec, R_NEXT)) |
| 218 | size++; |
| 219 | if (status < 0) { |
| 220 | PyErr_SetFromErrno(BsddbError); |
| 221 | return -1; |
| 222 | } |
| 223 | dp->di_size = size; |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 224 | } |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 225 | return dp->di_size; |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 226 | } |
| 227 | |
Guido van Rossum | dfe8ad9 | 1996-07-24 00:51:20 +0000 | [diff] [blame] | 228 | static PyObject * |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 229 | bsddb_subscript(dp, key) |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 230 | bsddbobject *dp; |
| 231 | PyObject *key; |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 232 | { |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 233 | int status; |
| 234 | DBT krec, drec; |
| 235 | char *data; |
| 236 | int size; |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 237 | |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 238 | if (!PyArg_Parse(key, "s#", &data, &size)) |
| 239 | return NULL; |
| 240 | krec.data = data; |
| 241 | krec.size = size; |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 242 | |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 243 | status = (dp->di_bsddb->get)(dp->di_bsddb, &krec, &drec, 0); |
| 244 | if (status != 0) { |
| 245 | if (status < 0) |
| 246 | PyErr_SetFromErrno(BsddbError); |
| 247 | else |
| 248 | PyErr_SetObject(PyExc_KeyError, key); |
| 249 | return NULL; |
| 250 | } |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 251 | |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 252 | return PyString_FromStringAndSize((char *)drec.data, (int)drec.size); |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 253 | } |
| 254 | |
| 255 | static int |
| 256 | bsddb_ass_sub(dp, key, value) |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 257 | bsddbobject *dp; |
| 258 | PyObject *key, *value; |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 259 | { |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 260 | int status; |
| 261 | DBT krec, drec; |
| 262 | char *data; |
| 263 | int size; |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 264 | |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 265 | if (!PyArg_Parse(key, "s#", &data, &size)) { |
| 266 | PyErr_SetString(PyExc_TypeError, |
| 267 | "bsddb key type must be string"); |
| 268 | return -1; |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 269 | } |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 270 | krec.data = data; |
| 271 | krec.size = size; |
| 272 | dp->di_size = -1; |
| 273 | if (value == NULL) { |
| 274 | status = (dp->di_bsddb->del)(dp->di_bsddb, &krec, 0); |
| 275 | } |
| 276 | else { |
| 277 | if (!PyArg_Parse(value, "s#", &data, &size)) { |
| 278 | PyErr_SetString(PyExc_TypeError, |
| 279 | "bsddb value type must be string"); |
| 280 | return -1; |
| 281 | } |
| 282 | drec.data = data; |
| 283 | drec.size = size; |
| 284 | #if 0 |
| 285 | /* For RECNO, put fails with 'No space left on device' |
| 286 | after a few short records are added?? Looks fine |
| 287 | to this point... linked with 1.85 on Solaris Intel |
| 288 | Roger E. Masse 1/16/97 |
| 289 | */ |
| 290 | printf("before put data: '%s', size: %d\n", |
| 291 | drec.data, drec.size); |
| 292 | printf("before put key= '%s', size= %d\n", |
| 293 | krec.data, krec.size); |
| 294 | #endif |
| 295 | status = (dp->di_bsddb->put)(dp->di_bsddb, &krec, &drec, 0); |
| 296 | } |
| 297 | if (status != 0) { |
| 298 | if (status < 0) |
| 299 | PyErr_SetFromErrno(BsddbError); |
| 300 | else |
| 301 | PyErr_SetObject(PyExc_KeyError, key); |
| 302 | return -1; |
| 303 | } |
| 304 | return 0; |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 305 | } |
| 306 | |
Guido van Rossum | dfe8ad9 | 1996-07-24 00:51:20 +0000 | [diff] [blame] | 307 | static PyMappingMethods bsddb_as_mapping = { |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 308 | (inquiry)bsddb_length, /*mp_length*/ |
| 309 | (binaryfunc)bsddb_subscript, /*mp_subscript*/ |
| 310 | (objobjargproc)bsddb_ass_sub, /*mp_ass_subscript*/ |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 311 | }; |
| 312 | |
Guido van Rossum | dfe8ad9 | 1996-07-24 00:51:20 +0000 | [diff] [blame] | 313 | static PyObject * |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 314 | bsddb_close(dp, args) |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 315 | bsddbobject *dp; |
| 316 | PyObject *args; |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 317 | { |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 318 | if (!PyArg_NoArgs(args)) |
| 319 | return NULL; |
| 320 | if (dp->di_bsddb != NULL) { |
| 321 | if ((dp->di_bsddb->close)(dp->di_bsddb) != 0) { |
| 322 | dp->di_bsddb = NULL; |
| 323 | PyErr_SetFromErrno(BsddbError); |
| 324 | return NULL; |
| 325 | } |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 326 | } |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 327 | dp->di_bsddb = NULL; |
| 328 | Py_INCREF(Py_None); |
| 329 | return Py_None; |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 330 | } |
| 331 | |
Guido van Rossum | dfe8ad9 | 1996-07-24 00:51:20 +0000 | [diff] [blame] | 332 | static PyObject * |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 333 | bsddb_keys(dp, args) |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 334 | bsddbobject *dp; |
| 335 | PyObject *args; |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 336 | { |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 337 | PyObject *list, *item; |
| 338 | DBT krec, drec; |
| 339 | int status; |
| 340 | int err; |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 341 | |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 342 | if (!PyArg_NoArgs(args)) |
| 343 | return NULL; |
| 344 | list = PyList_New(0); |
| 345 | if (list == NULL) |
| 346 | return NULL; |
| 347 | for (status = (dp->di_bsddb->seq)(dp->di_bsddb, &krec, &drec, R_FIRST); |
| 348 | status == 0; |
| 349 | status = (dp->di_bsddb->seq)(dp->di_bsddb, |
| 350 | &krec, &drec, R_NEXT)) { |
| 351 | item = PyString_FromStringAndSize((char *)krec.data, |
| 352 | (int)krec.size); |
| 353 | if (item == NULL) { |
| 354 | Py_DECREF(list); |
| 355 | return NULL; |
| 356 | } |
| 357 | err = PyList_Append(list, item); |
| 358 | Py_DECREF(item); |
| 359 | if (err != 0) { |
| 360 | Py_DECREF(list); |
| 361 | return NULL; |
| 362 | } |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 363 | } |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 364 | if (status < 0) { |
| 365 | PyErr_SetFromErrno(BsddbError); |
| 366 | Py_DECREF(list); |
| 367 | return NULL; |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 368 | } |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 369 | if (dp->di_size < 0) |
| 370 | dp->di_size = PyList_Size(list); /* We just did the work */ |
| 371 | return list; |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 372 | } |
| 373 | |
Guido van Rossum | dfe8ad9 | 1996-07-24 00:51:20 +0000 | [diff] [blame] | 374 | static PyObject * |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 375 | bsddb_has_key(dp, args) |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 376 | bsddbobject *dp; |
| 377 | PyObject *args; |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 378 | { |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 379 | DBT krec, drec; |
| 380 | int status; |
| 381 | char *data; |
| 382 | int size; |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 383 | |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 384 | if (!PyArg_Parse(args, "s#", &data, &size)) |
| 385 | return NULL; |
| 386 | krec.data = data; |
| 387 | krec.size = size; |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 388 | |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 389 | status = (dp->di_bsddb->get)(dp->di_bsddb, &krec, &drec, 0); |
| 390 | if (status < 0) { |
| 391 | PyErr_SetFromErrno(BsddbError); |
| 392 | return NULL; |
| 393 | } |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 394 | |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 395 | return PyInt_FromLong(status == 0); |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 396 | } |
| 397 | |
Guido van Rossum | dfe8ad9 | 1996-07-24 00:51:20 +0000 | [diff] [blame] | 398 | static PyObject * |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 399 | bsddb_set_location(dp, key) |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 400 | bsddbobject *dp; |
| 401 | PyObject *key; |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 402 | { |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 403 | int status; |
| 404 | DBT krec, drec; |
| 405 | char *data; |
| 406 | int size; |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 407 | |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 408 | if (!PyArg_Parse(key, "s#", &data, &size)) |
| 409 | return NULL; |
| 410 | krec.data = data; |
| 411 | krec.size = size; |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 412 | |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 413 | status = (dp->di_bsddb->seq)(dp->di_bsddb, &krec, &drec, R_CURSOR); |
| 414 | if (status != 0) { |
| 415 | if (status < 0) |
| 416 | PyErr_SetFromErrno(BsddbError); |
| 417 | else |
| 418 | PyErr_SetObject(PyExc_KeyError, key); |
| 419 | return NULL; |
| 420 | } |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 421 | |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 422 | return Py_BuildValue("s#s#", krec.data, krec.size, |
| 423 | drec.data, drec.size); |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 424 | } |
| 425 | |
Guido van Rossum | dfe8ad9 | 1996-07-24 00:51:20 +0000 | [diff] [blame] | 426 | static PyObject * |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 427 | bsddb_seq(dp, args, sequence_request) |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 428 | bsddbobject *dp; |
| 429 | PyObject *args; |
| 430 | int sequence_request; |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 431 | { |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 432 | int status; |
| 433 | DBT krec, drec; |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 434 | |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 435 | if (!PyArg_NoArgs(args)) |
| 436 | return NULL; |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 437 | |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 438 | krec.data = 0; |
| 439 | krec.size = 0; |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 440 | |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 441 | status = (dp->di_bsddb->seq)(dp->di_bsddb, &krec, |
| 442 | &drec, sequence_request); |
| 443 | if (status != 0) { |
| 444 | if (status < 0) |
| 445 | PyErr_SetFromErrno(BsddbError); |
| 446 | else |
| 447 | PyErr_SetObject(PyExc_KeyError, args); |
| 448 | return NULL; |
| 449 | } |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 450 | |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 451 | return Py_BuildValue("s#s#", krec.data, krec.size, |
| 452 | drec.data, drec.size); |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 453 | } |
| 454 | |
Guido van Rossum | dfe8ad9 | 1996-07-24 00:51:20 +0000 | [diff] [blame] | 455 | static PyObject * |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 456 | bsddb_next(dp, key) |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 457 | bsddbobject *dp; |
| 458 | PyObject *key; |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 459 | { |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 460 | return bsddb_seq(dp, key, R_NEXT); |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 461 | } |
Guido van Rossum | dfe8ad9 | 1996-07-24 00:51:20 +0000 | [diff] [blame] | 462 | static PyObject * |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 463 | bsddb_previous(dp, key) |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 464 | bsddbobject *dp; |
| 465 | PyObject *key; |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 466 | { |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 467 | return bsddb_seq(dp, key, R_PREV); |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 468 | } |
Guido van Rossum | dfe8ad9 | 1996-07-24 00:51:20 +0000 | [diff] [blame] | 469 | static PyObject * |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 470 | bsddb_first(dp, key) |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 471 | bsddbobject *dp; |
| 472 | PyObject *key; |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 473 | { |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 474 | return bsddb_seq(dp, key, R_FIRST); |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 475 | } |
Guido van Rossum | dfe8ad9 | 1996-07-24 00:51:20 +0000 | [diff] [blame] | 476 | static PyObject * |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 477 | bsddb_last(dp, key) |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 478 | bsddbobject *dp; |
| 479 | PyObject *key; |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 480 | { |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 481 | return bsddb_seq(dp, key, R_LAST); |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 482 | } |
Guido van Rossum | dfe8ad9 | 1996-07-24 00:51:20 +0000 | [diff] [blame] | 483 | static PyObject * |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 484 | bsddb_sync(dp, args) |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 485 | bsddbobject *dp; |
| 486 | PyObject *args; |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 487 | { |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 488 | int status; |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 489 | |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 490 | status = (dp->di_bsddb->sync)(dp->di_bsddb, 0); |
| 491 | if (status != 0) { |
| 492 | PyErr_SetFromErrno(BsddbError); |
| 493 | return NULL; |
| 494 | } |
| 495 | return PyInt_FromLong(status = 0); |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 496 | } |
Guido van Rossum | dfe8ad9 | 1996-07-24 00:51:20 +0000 | [diff] [blame] | 497 | static PyMethodDef bsddb_methods[] = { |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 498 | {"close", (PyCFunction)bsddb_close}, |
| 499 | {"keys", (PyCFunction)bsddb_keys}, |
| 500 | {"has_key", (PyCFunction)bsddb_has_key}, |
| 501 | {"set_location", (PyCFunction)bsddb_set_location}, |
| 502 | {"next", (PyCFunction)bsddb_next}, |
| 503 | {"previous", (PyCFunction)bsddb_previous}, |
| 504 | {"first", (PyCFunction)bsddb_first}, |
| 505 | {"last", (PyCFunction)bsddb_last}, |
| 506 | {"sync", (PyCFunction)bsddb_sync}, |
| 507 | {NULL, NULL} /* sentinel */ |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 508 | }; |
| 509 | |
Guido van Rossum | dfe8ad9 | 1996-07-24 00:51:20 +0000 | [diff] [blame] | 510 | static PyObject * |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 511 | bsddb_getattr(dp, name) |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 512 | PyObject *dp; |
| 513 | char *name; |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 514 | { |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 515 | return Py_FindMethod(bsddb_methods, dp, name); |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 516 | } |
| 517 | |
Guido van Rossum | dfe8ad9 | 1996-07-24 00:51:20 +0000 | [diff] [blame] | 518 | static PyTypeObject Bsddbtype = { |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 519 | PyObject_HEAD_INIT(NULL) |
| 520 | 0, |
| 521 | "bsddb", |
| 522 | sizeof(bsddbobject), |
| 523 | 0, |
| 524 | (destructor)bsddb_dealloc, /*tp_dealloc*/ |
| 525 | 0, /*tp_print*/ |
| 526 | (getattrfunc)bsddb_getattr, /*tp_getattr*/ |
| 527 | 0, /*tp_setattr*/ |
| 528 | 0, /*tp_compare*/ |
| 529 | 0, /*tp_repr*/ |
| 530 | 0, /*tp_as_number*/ |
| 531 | 0, /*tp_as_sequence*/ |
| 532 | &bsddb_as_mapping, /*tp_as_mapping*/ |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 533 | }; |
| 534 | |
Guido van Rossum | dfe8ad9 | 1996-07-24 00:51:20 +0000 | [diff] [blame] | 535 | static PyObject * |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 536 | bsdhashopen(self, args) |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 537 | PyObject *self; |
| 538 | PyObject *args; |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 539 | { |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 540 | char *file; |
| 541 | char *flag = NULL; |
| 542 | int flags = O_RDONLY; |
| 543 | int mode = 0666; |
| 544 | int bsize = 0; |
| 545 | int ffactor = 0; |
| 546 | int nelem = 0; |
| 547 | int cachesize = 0; |
| 548 | int hash = 0; /* XXX currently ignored */ |
| 549 | int lorder = 0; |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 550 | |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 551 | if (!PyArg_ParseTuple(args, "s|siiiiiii", |
| 552 | &file, &flag, &mode, |
| 553 | &bsize, &ffactor, &nelem, &cachesize, |
| 554 | &hash, &lorder)) |
| 555 | return NULL; |
| 556 | if (flag != NULL) { |
| 557 | /* XXX need to pass O_EXCL, O_EXLOCK, O_NONBLOCK, O_SHLOCK */ |
| 558 | if (flag[0] == 'r') |
| 559 | flags = O_RDONLY; |
| 560 | else if (flag[0] == 'w') |
| 561 | flags = O_RDWR; |
| 562 | else if (flag[0] == 'c') |
| 563 | flags = O_RDWR|O_CREAT; |
| 564 | else if (flag[0] == 'n') |
| 565 | flags = O_RDWR|O_CREAT|O_TRUNC; |
| 566 | else { |
| 567 | PyErr_SetString(BsddbError, |
| 568 | "Flag should begin with 'r', 'w', 'c' or 'n'"); |
| 569 | return NULL; |
| 570 | } |
| 571 | if (flag[1] == 'l') { |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 572 | #if defined(O_EXLOCK) && defined(O_SHLOCK) |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 573 | if (flag[0] == 'r') |
| 574 | flags |= O_SHLOCK; |
| 575 | else |
| 576 | flags |= O_EXLOCK; |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 577 | #else |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 578 | PyErr_SetString(BsddbError, |
| 579 | "locking not supported on this platform"); |
| 580 | return NULL; |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 581 | #endif |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 582 | } |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 583 | } |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 584 | return newdbhashobject(file, flags, mode, |
| 585 | bsize, ffactor, nelem, cachesize, hash, lorder); |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 586 | } |
| 587 | |
Guido van Rossum | dfe8ad9 | 1996-07-24 00:51:20 +0000 | [diff] [blame] | 588 | static PyObject * |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 589 | bsdbtopen(self, args) |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 590 | PyObject *self; |
| 591 | PyObject *args; |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 592 | { |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 593 | char *file; |
| 594 | char *flag = NULL; |
| 595 | int flags = O_RDONLY; |
| 596 | int mode = 0666; |
| 597 | int cachesize = 0; |
| 598 | int maxkeypage = 0; |
| 599 | int minkeypage = 0; |
| 600 | int btflags = 0; |
| 601 | unsigned int psize = 0; |
| 602 | int lorder = 0; |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 603 | |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 604 | if (!PyArg_ParseTuple(args, "s|siiiiiii", |
| 605 | &file, &flag, &mode, |
| 606 | &btflags, &cachesize, &maxkeypage, &minkeypage, |
| 607 | &psize, &lorder)) |
| 608 | return NULL; |
| 609 | if (flag != NULL) { |
| 610 | /* XXX need to pass O_EXCL, O_EXLOCK, O_NONBLOCK, O_SHLOCK */ |
| 611 | if (flag[0] == 'r') |
| 612 | flags = O_RDONLY; |
| 613 | else if (flag[0] == 'w') |
| 614 | flags = O_RDWR; |
| 615 | else if (flag[0] == 'c') |
| 616 | flags = O_RDWR|O_CREAT; |
| 617 | else if (flag[0] == 'n') |
| 618 | flags = O_RDWR|O_CREAT|O_TRUNC; |
| 619 | else { |
| 620 | PyErr_SetString(BsddbError, |
| 621 | "Flag should begin with 'r', 'w', 'c' or 'n'"); |
| 622 | return NULL; |
| 623 | } |
| 624 | if (flag[1] == 'l') { |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 625 | #if defined(O_EXLOCK) && defined(O_SHLOCK) |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 626 | if (flag[0] == 'r') |
| 627 | flags |= O_SHLOCK; |
| 628 | else |
| 629 | flags |= O_EXLOCK; |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 630 | #else |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 631 | PyErr_SetString(BsddbError, |
| 632 | "locking not supported on this platform"); |
| 633 | return NULL; |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 634 | #endif |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 635 | } |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 636 | } |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 637 | return newdbbtobject(file, flags, mode, |
| 638 | btflags, cachesize, maxkeypage, minkeypage, |
| 639 | psize, lorder); |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 640 | } |
Guido van Rossum | dd96ca7 | 1996-05-23 22:57:54 +0000 | [diff] [blame] | 641 | |
Guido van Rossum | dfe8ad9 | 1996-07-24 00:51:20 +0000 | [diff] [blame] | 642 | static PyObject * |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 643 | bsdrnopen(self, args) |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 644 | PyObject *self; |
| 645 | PyObject *args; |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 646 | { |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 647 | char *file; |
| 648 | char *flag = NULL; |
| 649 | int flags = O_RDONLY; |
| 650 | int mode = 0666; |
| 651 | int cachesize = 0; |
| 652 | int rnflags = 0; |
| 653 | unsigned int psize = 0; |
| 654 | int lorder = 0; |
| 655 | size_t reclen = 0; |
| 656 | char *bval = ""; |
| 657 | char *bfname = NULL; |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 658 | |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 659 | if (!PyArg_ParseTuple(args, "s|siiiiiiss", |
| 660 | &file, &flag, &mode, |
| 661 | &rnflags, &cachesize, &psize, &lorder, |
| 662 | &reclen, &bval, &bfname)) |
| 663 | return NULL; |
| 664 | |
| 665 | # if 0 |
| 666 | printf("file: %s\n", file); |
| 667 | printf("flag: %s\n", flag); |
| 668 | printf("mode: %d\n", mode); |
| 669 | printf("rnflags: 0x%x\n", rnflags); |
| 670 | printf("cachesize: %d\n", cachesize); |
| 671 | printf("psize: %d\n", psize); |
| 672 | printf("lorder: %d\n", 0); |
| 673 | printf("reclen: %d\n", reclen); |
| 674 | printf("bval: %c\n", bval[0]); |
| 675 | printf("bfname %s\n", bfname); |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 676 | #endif |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 677 | |
| 678 | if (flag != NULL) { |
| 679 | /* XXX need to pass O_EXCL, O_EXLOCK, O_NONBLOCK, O_SHLOCK */ |
| 680 | if (flag[0] == 'r') |
| 681 | flags = O_RDONLY; |
| 682 | else if (flag[0] == 'w') |
| 683 | flags = O_RDWR; |
| 684 | else if (flag[0] == 'c') |
| 685 | flags = O_RDWR|O_CREAT; |
| 686 | else if (flag[0] == 'n') |
| 687 | flags = O_RDWR|O_CREAT|O_TRUNC; |
| 688 | else { |
| 689 | PyErr_SetString(BsddbError, |
| 690 | "Flag should begin with 'r', 'w', 'c' or 'n'"); |
| 691 | return NULL; |
| 692 | } |
| 693 | if (flag[1] == 'l') { |
| 694 | #if defined(O_EXLOCK) && defined(O_SHLOCK) |
| 695 | if (flag[0] == 'r') |
| 696 | flags |= O_SHLOCK; |
| 697 | else |
| 698 | flags |= O_EXLOCK; |
| 699 | #else |
| 700 | PyErr_SetString(BsddbError, |
| 701 | "locking not supported on this platform"); |
| 702 | return NULL; |
| 703 | #endif |
| 704 | } |
| 705 | else if (flag[1] != '\0') { |
| 706 | PyErr_SetString(BsddbError, |
| 707 | "Flag char 2 should be 'l' or absent"); |
| 708 | return NULL; |
| 709 | } |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 710 | } |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 711 | return newdbrnobject(file, flags, mode, rnflags, cachesize, |
| 712 | psize, lorder, reclen, bval[0], bfname); |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 713 | } |
| 714 | |
Guido van Rossum | dfe8ad9 | 1996-07-24 00:51:20 +0000 | [diff] [blame] | 715 | static PyMethodDef bsddbmodule_methods[] = { |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 716 | {"hashopen", (PyCFunction)bsdhashopen, 1}, |
| 717 | {"btopen", (PyCFunction)bsdbtopen, 1}, |
| 718 | {"rnopen", (PyCFunction)bsdrnopen, 1}, |
| 719 | {0, 0}, |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 720 | }; |
| 721 | |
| 722 | void |
| 723 | initbsddb() { |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 724 | PyObject *m, *d; |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 725 | |
Roger E. Masse | d9240d1 | 1997-01-16 22:05:33 +0000 | [diff] [blame] | 726 | Bsddbtype.ob_type = &PyType_Type; |
| 727 | m = Py_InitModule("bsddb", bsddbmodule_methods); |
| 728 | d = PyModule_GetDict(m); |
| 729 | BsddbError = PyString_FromString("bsddb.error"); |
| 730 | if (BsddbError == NULL || PyDict_SetItemString(d, "error", BsddbError)) |
| 731 | Py_FatalError("can't define bsddb.error"); |
Guido van Rossum | 1100dca | 1995-08-30 23:43:03 +0000 | [diff] [blame] | 732 | } |