supported.";
typedef struct {
- PyObject_HEAD
- int di_size; /* -1 means recompute */
- GDBM_FILE di_dbm;
+ PyObject_HEAD
+ int di_size; /* -1 means recompute */
+ GDBM_FILE di_dbm;
} dbmobject;
staticforward PyTypeObject Dbmtype;
#define is_dbmobject(v) ((v)->ob_type == &Dbmtype)
#define check_dbmobject_open(v) if ((v)->di_dbm == NULL) \
- { PyErr_SetString(DbmError, "GDBM object has already been closed"); \
- return NULL; }
+ { PyErr_SetString(DbmError, "GDBM object has already been closed"); \
+ return NULL; }
nextkey, reorganize, and sync.";
static PyObject *
-newdbmobject(file, flags, mode)
- char *file;
-int flags;
-int mode;
+newdbmobject(char *file, int flags, int mode)
{
- dbmobject *dp;
-
- dp = PyObject_New(dbmobject, &Dbmtype);
- if (dp == NULL)
- return NULL;
- dp->di_size = -1;
- errno = 0;
- if ( (dp->di_dbm = gdbm_open(file, 0, flags, mode, NULL)) == 0 ) {
- if (errno != 0)
- PyErr_SetFromErrno(DbmError);
- else
- PyErr_SetString(DbmError, gdbm_strerror(gdbm_errno));
- Py_DECREF(dp);
- return NULL;
- }
- return (PyObject *)dp;
+ dbmobject *dp;
+
+ dp = PyObject_New(dbmobject, &Dbmtype);
+ if (dp == NULL)
+ return NULL;
+ dp->di_size = -1;
+ errno = 0;
+ if ((dp->di_dbm = gdbm_open(file, 0, flags, mode, NULL)) == 0) {
+ if (errno != 0)
+ PyErr_SetFromErrno(DbmError);
+ else
+ PyErr_SetString(DbmError, gdbm_strerror(gdbm_errno));
+ Py_DECREF(dp);
+ return NULL;
+ }
+ return (PyObject *)dp;
}
/* Methods */
static void
-dbm_dealloc(dp)
- register dbmobject *dp;
+dbm_dealloc(register dbmobject *dp)
{
- if ( dp->di_dbm )
- gdbm_close(dp->di_dbm);
- PyObject_Del(dp);
+ if (dp->di_dbm)
+ gdbm_close(dp->di_dbm);
+ PyObject_Del(dp);
}
static int
-dbm_length(dp)
- dbmobject *dp;
+dbm_length(dbmobject *dp)
{
- if (dp->di_dbm == NULL) {
- PyErr_SetString(DbmError, "GDBM object has already been closed");
- return -1;
+ if (dp->di_dbm == NULL) {
+ PyErr_SetString(DbmError, "GDBM object has already been closed");
+ return -1;
+ }
+ if (dp->di_size < 0) {
+ datum key,okey;
+ int size;
+ okey.dsize=0;
+
+ size = 0;
+ for (key=gdbm_firstkey(dp->di_dbm); key.dptr;
+ key = gdbm_nextkey(dp->di_dbm,okey)) {
+ size++;
+ if(okey.dsize) free(okey.dptr);
+ okey=key;
}
- if ( dp->di_size < 0 ) {
- datum key,okey;
- int size;
- okey.dsize=0;
-
- size = 0;
- for ( key=gdbm_firstkey(dp->di_dbm); key.dptr;
- key = gdbm_nextkey(dp->di_dbm,okey)) {
- size++;
- if(okey.dsize) free(okey.dptr);
- okey=key;
- }
- dp->di_size = size;
- }
- return dp->di_size;
+ dp->di_size = size;
+ }
+ return dp->di_size;
}
static PyObject *
-dbm_subscript(dp, key)
- dbmobject *dp;
-register PyObject *key;
+dbm_subscript(dbmobject *dp, register PyObject *key)
{
- PyObject *v;
- datum drec, krec;
-
- if (!PyArg_Parse(key, "s#", &krec.dptr, &krec.dsize) )
- return NULL;
-
- if (dp->di_dbm == NULL) {
- PyErr_SetString(DbmError,
- "GDBM object has already been closed");
- return NULL;
- }
- drec = gdbm_fetch(dp->di_dbm, krec);
- if ( drec.dptr == 0 ) {
- PyErr_SetString(PyExc_KeyError,
- PyString_AS_STRING((PyStringObject *)key));
- return NULL;
- }
- v = PyString_FromStringAndSize(drec.dptr, drec.dsize);
- free(drec.dptr);
- return v;
+ PyObject *v;
+ datum drec, krec;
+
+ if (!PyArg_Parse(key, "s#", &krec.dptr, &krec.dsize) )
+ return NULL;
+
+ if (dp->di_dbm == NULL) {
+ PyErr_SetString(DbmError,
+ "GDBM object has already been closed");
+ return NULL;
+ }
+ drec = gdbm_fetch(dp->di_dbm, krec);
+ if (drec.dptr == 0) {
+ PyErr_SetString(PyExc_KeyError,
+ PyString_AS_STRING((PyStringObject *)key));
+ return NULL;
+ }
+ v = PyString_FromStringAndSize(drec.dptr, drec.dsize);
+ free(drec.dptr);
+ return v;
}
static int
-dbm_ass_sub(dp, v, w)
- dbmobject *dp;
-PyObject *v, *w;
+dbm_ass_sub(dbmobject *dp, PyObject *v, PyObject *w)
{
- datum krec, drec;
-
- if ( !PyArg_Parse(v, "s#", &krec.dptr, &krec.dsize) ) {
- PyErr_SetString(PyExc_TypeError,
- "gdbm mappings have string indices only");
- return -1;
- }
- if (dp->di_dbm == NULL) {
- PyErr_SetString(DbmError,
- "GDBM object has already been closed");
- return -1;
+ datum krec, drec;
+
+ if (!PyArg_Parse(v, "s#", &krec.dptr, &krec.dsize) ) {
+ PyErr_SetString(PyExc_TypeError,
+ "gdbm mappings have string indices only");
+ return -1;
+ }
+ if (dp->di_dbm == NULL) {
+ PyErr_SetString(DbmError,
+ "GDBM object has already been closed");
+ return -1;
+ }
+ dp->di_size = -1;
+ if (w == NULL) {
+ if (gdbm_delete(dp->di_dbm, krec) < 0) {
+ PyErr_SetString(PyExc_KeyError,
+ PyString_AS_STRING((PyStringObject *)v));
+ return -1;
}
- dp->di_size = -1;
- if (w == NULL) {
- if ( gdbm_delete(dp->di_dbm, krec) < 0 ) {
- PyErr_SetString(PyExc_KeyError,
- PyString_AS_STRING((PyStringObject *)v));
- return -1;
- }
- } else {
- if ( !PyArg_Parse(w, "s#", &drec.dptr, &drec.dsize) ) {
- PyErr_SetString(PyExc_TypeError,
- "gdbm mappings have string elements only");
- return -1;
- }
- errno = 0;
- if ( gdbm_store(dp->di_dbm, krec, drec, GDBM_REPLACE) < 0 ) {
- if (errno != 0)
- PyErr_SetFromErrno(DbmError);
- else
- PyErr_SetString(DbmError,
- gdbm_strerror(gdbm_errno));
- return -1;
- }
- }
- return 0;
+ }
+ else {
+ if (!PyArg_Parse(w, "s#", &drec.dptr, &drec.dsize)) {
+ PyErr_SetString(PyExc_TypeError,
+ "gdbm mappings have string elements only");
+ return -1;
+ }
+ errno = 0;
+ if (gdbm_store(dp->di_dbm, krec, drec, GDBM_REPLACE) < 0) {
+ if (errno != 0)
+ PyErr_SetFromErrno(DbmError);
+ else
+ PyErr_SetString(DbmError,
+ gdbm_strerror(gdbm_errno));
+ return -1;
+ }
+ }
+ return 0;
}
static PyMappingMethods dbm_as_mapping = {
- (inquiry)dbm_length, /*mp_length*/
- (binaryfunc)dbm_subscript, /*mp_subscript*/
- (objobjargproc)dbm_ass_sub, /*mp_ass_subscript*/
+ (inquiry)dbm_length, /*mp_length*/
+ (binaryfunc)dbm_subscript, /*mp_subscript*/
+ (objobjargproc)dbm_ass_sub, /*mp_ass_subscript*/
};
static char dbm_close__doc__[] = "\
Closes the database.";
static PyObject *
-dbm_close(dp, args)
- register dbmobject *dp;
-PyObject *args;
+dbm_close(register dbmobject *dp, PyObject *args)
{
- if ( !PyArg_NoArgs(args) )
- return NULL;
- if ( dp->di_dbm )
- gdbm_close(dp->di_dbm);
- dp->di_dbm = NULL;
- Py_INCREF(Py_None);
- return Py_None;
+ if (!PyArg_ParseTuple(args, ":close"))
+ return NULL;
+ if (dp->di_dbm)
+ gdbm_close(dp->di_dbm);
+ dp->di_dbm = NULL;
+ Py_INCREF(Py_None);
+ return Py_None;
}
static char dbm_keys__doc__[] = "\
Get a list of all keys in the database.";
static PyObject *
-dbm_keys(dp, args)
- register dbmobject *dp;
-PyObject *args;
+dbm_keys(register dbmobject *dp, PyObject *args)
{
- register PyObject *v, *item;
- datum key, nextkey;
- int err;
-
- if (dp == NULL || !is_dbmobject(dp)) {
- PyErr_BadInternalCall();
- return NULL;
- }
-
- if (!PyArg_NoArgs(args))
- return NULL;
-
- check_dbmobject_open(dp);
-
- v = PyList_New(0);
- if (v == NULL)
- return NULL;
-
- key = gdbm_firstkey(dp->di_dbm);
- while (key.dptr) {
- item = PyString_FromStringAndSize(key.dptr, key.dsize);
- if (item == NULL) {
- free(key.dptr);
- Py_DECREF(v);
- return NULL;
- }
- err = PyList_Append(v, item);
- Py_DECREF(item);
- if (err != 0) {
- free(key.dptr);
- Py_DECREF(v);
- return NULL;
- }
- nextkey = gdbm_nextkey(dp->di_dbm, key);
- free(key.dptr);
- key = nextkey;
- }
-
- return v;
+ register PyObject *v, *item;
+ datum key, nextkey;
+ int err;
+
+ if (dp == NULL || !is_dbmobject(dp)) {
+ PyErr_BadInternalCall();
+ return NULL;
+ }
+ if (!PyArg_ParseTuple(args, ":keys"))
+ return NULL;
+
+ check_dbmobject_open(dp);
+
+ v = PyList_New(0);
+ if (v == NULL)
+ return NULL;
+
+ key = gdbm_firstkey(dp->di_dbm);
+ while (key.dptr) {
+ item = PyString_FromStringAndSize(key.dptr, key.dsize);
+ if (item == NULL) {
+ free(key.dptr);
+ Py_DECREF(v);
+ return NULL;
+ }
+ err = PyList_Append(v, item);
+ Py_DECREF(item);
+ if (err != 0) {
+ free(key.dptr);
+ Py_DECREF(v);
+ return NULL;
+ }
+ nextkey = gdbm_nextkey(dp->di_dbm, key);
+ free(key.dptr);
+ key = nextkey;
+ }
+ return v;
}
static char dbm_has_key__doc__[] = "\
Find out whether or not the database contains a given key.";
static PyObject *
-dbm_has_key(dp, args)
- register dbmobject *dp;
-PyObject *args;
+dbm_has_key(register dbmobject *dp, PyObject *args)
{
- datum key;
-
- if (!PyArg_Parse(args, "s#", &key.dptr, &key.dsize))
- return NULL;
- check_dbmobject_open(dp);
- return PyInt_FromLong((long) gdbm_exists(dp->di_dbm, key));
+ datum key;
+
+ if (!PyArg_ParseTuple(args, "s#:has_key", &key.dptr, &key.dsize))
+ return NULL;
+ check_dbmobject_open(dp);
+ return PyInt_FromLong((long) gdbm_exists(dp->di_dbm, key));
}
static char dbm_firstkey__doc__[] = "\
returns the starting key.";
static PyObject *
-dbm_firstkey(dp, args)
- register dbmobject *dp;
-PyObject *args;
+dbm_firstkey(register dbmobject *dp, PyObject *args)
{
- register PyObject *v;
- datum key;
-
- if (!PyArg_NoArgs(args))
- return NULL;
- check_dbmobject_open(dp);
- key = gdbm_firstkey(dp->di_dbm);
- if (key.dptr) {
- v = PyString_FromStringAndSize(key.dptr, key.dsize);
- free(key.dptr);
- return v;
- } else {
- Py_INCREF(Py_None);
- return Py_None;
- }
+ register PyObject *v;
+ datum key;
+
+ if (!PyArg_ParseTuple(args, ":firstkey"))
+ return NULL;
+ check_dbmobject_open(dp);
+ key = gdbm_firstkey(dp->di_dbm);
+ if (key.dptr) {
+ v = PyString_FromStringAndSize(key.dptr, key.dsize);
+ free(key.dptr);
+ return v;
+ }
+ else {
+ Py_INCREF(Py_None);
+ return Py_None;
+ }
}
static char dbm_nextkey__doc__[] = "\
k = db.nextkey(k)";
static PyObject *
-dbm_nextkey(dp, args)
- register dbmobject *dp;
-PyObject *args;
+dbm_nextkey(register dbmobject *dp, PyObject *args)
{
- register PyObject *v;
- datum key, nextkey;
-
- if (!PyArg_Parse(args, "s#", &key.dptr, &key.dsize))
- return NULL;
- check_dbmobject_open(dp);
- nextkey = gdbm_nextkey(dp->di_dbm, key);
- if (nextkey.dptr) {
- v = PyString_FromStringAndSize(nextkey.dptr, nextkey.dsize);
- free(nextkey.dptr);
- return v;
- } else {
- Py_INCREF(Py_None);
- return Py_None;
- }
+ register PyObject *v;
+ datum key, nextkey;
+
+ if (!PyArg_ParseTuple(args, "s#:nextkey", &key.dptr, &key.dsize))
+ return NULL;
+ check_dbmobject_open(dp);
+ nextkey = gdbm_nextkey(dp->di_dbm, key);
+ if (nextkey.dptr) {
+ v = PyString_FromStringAndSize(nextkey.dptr, nextkey.dsize);
+ free(nextkey.dptr);
+ return v;
+ }
+ else {
+ Py_INCREF(Py_None);
+ return Py_None;
+ }
}
static char dbm_reorganize__doc__[] = "\
kept and reused as new (key,value) pairs are added.";
static PyObject *
-dbm_reorganize(dp, args)
- register dbmobject *dp;
-PyObject *args;
+dbm_reorganize(register dbmobject *dp, PyObject *args)
{
- if (!PyArg_NoArgs(args))
- return NULL;
- check_dbmobject_open(dp);
- errno = 0;
- if (gdbm_reorganize(dp->di_dbm) < 0) {
- if (errno != 0)
- PyErr_SetFromErrno(DbmError);
- else
- PyErr_SetString(DbmError, gdbm_strerror(gdbm_errno));
- return NULL;
- }
- Py_INCREF(Py_None);
- return Py_None;
+ if (!PyArg_ParseTuple(args, ":reorganize"))
+ return NULL;
+ check_dbmobject_open(dp);
+ errno = 0;
+ if (gdbm_reorganize(dp->di_dbm) < 0) {
+ if (errno != 0)
+ PyErr_SetFromErrno(DbmError);
+ else
+ PyErr_SetString(DbmError, gdbm_strerror(gdbm_errno));
+ return NULL;
+ }
+ Py_INCREF(Py_None);
+ return Py_None;
}
static char dbm_sync__doc__[] = "\
any unwritten data to be written to the disk.";
static PyObject *
-dbm_sync(dp, args)
- register dbmobject *dp;
- PyObject *args;
+dbm_sync(register dbmobject *dp, PyObject *args)
{
- if (!PyArg_NoArgs(args))
- return NULL;
- check_dbmobject_open(dp);
- gdbm_sync(dp->di_dbm);
- Py_INCREF(Py_None);
- return Py_None;
+ if (!PyArg_ParseTuple(args, ":sync"))
+ return NULL;
+ check_dbmobject_open(dp);
+ gdbm_sync(dp->di_dbm);
+ Py_INCREF(Py_None);
+ return Py_None;
}
static PyMethodDef dbm_methods[] = {
- {"close", (PyCFunction)dbm_close, 0, dbm_close__doc__},
- {"keys", (PyCFunction)dbm_keys, 0, dbm_keys__doc__},
- {"has_key", (PyCFunction)dbm_has_key, 0, dbm_has_key__doc__},
- {"firstkey", (PyCFunction)dbm_firstkey, 0, dbm_firstkey__doc__},
- {"nextkey", (PyCFunction)dbm_nextkey, 0, dbm_nextkey__doc__},
- {"reorganize", (PyCFunction)dbm_reorganize, 0, dbm_reorganize__doc__},
- {"sync", (PyCFunction)dbm_sync, 0, dbm_sync__doc__},
- {NULL, NULL} /* sentinel */
+ {"close", (PyCFunction)dbm_close, METH_VARARGS, dbm_close__doc__},
+ {"keys", (PyCFunction)dbm_keys, METH_VARARGS, dbm_keys__doc__},
+ {"has_key", (PyCFunction)dbm_has_key, METH_VARARGS, dbm_has_key__doc__},
+ {"firstkey", (PyCFunction)dbm_firstkey,METH_VARARGS, dbm_firstkey__doc__},
+ {"nextkey", (PyCFunction)dbm_nextkey, METH_VARARGS, dbm_nextkey__doc__},
+ {"reorganize",(PyCFunction)dbm_reorganize,METH_VARARGS, dbm_reorganize__doc__},
+ {"sync", (PyCFunction)dbm_sync, METH_VARARGS, dbm_sync__doc__},
+ {NULL, NULL} /* sentinel */
};
static PyObject *
-dbm_getattr(dp, name)
- dbmobject *dp;
-char *name;
+dbm_getattr(dbmobject *dp, char *name)
{
- return Py_FindMethod(dbm_methods, (PyObject *)dp, name);
+ return Py_FindMethod(dbm_methods, (PyObject *)dp, name);
}
static PyTypeObject Dbmtype = {
- PyObject_HEAD_INIT(0)
- 0,
- "gdbm",
- sizeof(dbmobject),
- 0,
- (destructor)dbm_dealloc, /*tp_dealloc*/
- 0, /*tp_print*/
- (getattrfunc)dbm_getattr, /*tp_getattr*/
- 0, /*tp_setattr*/
- 0, /*tp_compare*/
- 0, /*tp_repr*/
- 0, /*tp_as_number*/
- 0, /*tp_as_sequence*/
- &dbm_as_mapping, /*tp_as_mapping*/
- 0, /*tp_hash*/
- 0, /*tp_call*/
- 0, /*tp_str*/
- 0, /*tp_getattro*/
- 0, /*tp_setattro*/
- 0, /*tp_as_buffer*/
- 0, /*tp_xxx4*/
- gdbm_object__doc__, /*tp_doc*/
+ PyObject_HEAD_INIT(0)
+ 0,
+ "gdbm",
+ sizeof(dbmobject),
+ 0,
+ (destructor)dbm_dealloc, /*tp_dealloc*/
+ 0, /*tp_print*/
+ (getattrfunc)dbm_getattr, /*tp_getattr*/
+ 0, /*tp_setattr*/
+ 0, /*tp_compare*/
+ 0, /*tp_repr*/
+ 0, /*tp_as_number*/
+ 0, /*tp_as_sequence*/
+ &dbm_as_mapping, /*tp_as_mapping*/
+ 0, /*tp_hash*/
+ 0, /*tp_call*/
+ 0, /*tp_str*/
+ 0, /*tp_getattro*/
+ 0, /*tp_setattro*/
+ 0, /*tp_as_buffer*/
+ 0, /*tp_xxx4*/
+ gdbm_object__doc__, /*tp_doc*/
};
/* ----------------------------------------------------------------- */
when the database has to be created. It defaults to octal 0666. ";
static PyObject *
-dbmopen(self, args)
- PyObject *self;
-PyObject *args;
+dbmopen(PyObject *self, PyObject *args)
{
- char *name;
- char *flags = "r ";
- int iflags;
- int mode = 0666;
-
- if ( !PyArg_ParseTuple(args, "s|si:open", &name, &flags, &mode) )
- return NULL;
- switch (flags[0]) {
- case 'r':
- iflags = GDBM_READER;
- break;
- case 'w':
- iflags = GDBM_WRITER;
- break;
- case 'c':
- iflags = GDBM_WRCREAT;
- break;
- case 'n':
- iflags = GDBM_NEWDB;
- break;
- default:
- PyErr_SetString(DbmError,
- "Flags should be one of 'r', 'w', 'c' or 'n'");
- return NULL;
- }
- if (flags[1] == 'f')
- iflags |= GDBM_FAST;
- return newdbmobject(name, iflags, mode);
+ char *name;
+ char *flags = "r ";
+ int iflags;
+ int mode = 0666;
+
+ if (!PyArg_ParseTuple(args, "s|si:open", &name, &flags, &mode))
+ return NULL;
+ switch (flags[0]) {
+ case 'r':
+ iflags = GDBM_READER;
+ break;
+ case 'w':
+ iflags = GDBM_WRITER;
+ break;
+ case 'c':
+ iflags = GDBM_WRCREAT;
+ break;
+ case 'n':
+ iflags = GDBM_NEWDB;
+ break;
+ default:
+ PyErr_SetString(DbmError,
+ "Flags should be one of 'r', 'w', 'c' or 'n'");
+ return NULL;
+ }
+ if (flags[1] == 'f')
+ iflags |= GDBM_FAST;
+ return newdbmobject(name, iflags, mode);
}
static PyMethodDef dbmmodule_methods[] = {
- { "open", (PyCFunction)dbmopen, 1, dbmopen__doc__},
- { 0, 0 },
+ { "open", (PyCFunction)dbmopen, METH_VARARGS, dbmopen__doc__},
+ { 0, 0 },
};
DL_EXPORT(void)
initgdbm() {
- PyObject *m, *d;
-
- Dbmtype.ob_type = &PyType_Type;
- m = Py_InitModule4("gdbm", dbmmodule_methods,
- gdbmmodule__doc__, (PyObject *)NULL,
- PYTHON_API_VERSION);
- d = PyModule_GetDict(m);
- DbmError = PyErr_NewException("gdbm.error", NULL, NULL);
- if (DbmError != NULL)
- PyDict_SetItemString(d, "error", DbmError);
+ PyObject *m, *d;
+
+ Dbmtype.ob_type = &PyType_Type;
+ m = Py_InitModule4("gdbm", dbmmodule_methods,
+ gdbmmodule__doc__, (PyObject *)NULL,
+ PYTHON_API_VERSION);
+ d = PyModule_GetDict(m);
+ DbmError = PyErr_NewException("gdbm.error", NULL, NULL);
+ if (DbmError != NULL)
+ PyDict_SetItemString(d, "error", DbmError);
}
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