/* DBM module using dictionary interface */
-#include "allobjects.h"
-#include "modsupport.h"
+#include "Python.h"
#include <sys/types.h>
#include <sys/stat.h>
#include "gdbm.h"
typedef struct {
- OB_HEAD
+ PyObject_HEAD
int di_size; /* -1 means recompute */
GDBM_FILE di_dbm;
} dbmobject;
-staticforward typeobject Dbmtype;
+staticforward PyTypeObject Dbmtype;
#define is_dbmobject(v) ((v)->ob_type == &Dbmtype)
-static object *DbmError;
+static PyObject *DbmError;
-static object *
+static PyObject *
newdbmobject(file, flags, mode)
- char *file;
- int flags;
- int mode;
+ char *file;
+int flags;
+int mode;
{
dbmobject *dp;
- dp = NEWOBJ(dbmobject, &Dbmtype);
+ 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)
- err_errno(DbmError);
- else
- err_setstr(DbmError, (char *) gdbm_strerror(gdbm_errno));
- DECREF(dp);
- return NULL;
+ if (errno != 0)
+ PyErr_SetFromErrno(DbmError);
+ else
+ PyErr_SetString(DbmError,
+ (char *) gdbm_strerror(gdbm_errno));
+ Py_DECREF(dp);
+ return NULL;
}
- return (object *)dp;
+ return (PyObject *)dp;
}
/* Methods */
register dbmobject *dp;
{
if ( dp->di_dbm )
- gdbm_close(dp->di_dbm);
- DEL(dp);
+ gdbm_close(dp->di_dbm);
+ PyMem_DEL(dp);
}
static int
dbmobject *dp;
{
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;
+ 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;
}
-static object *
+static PyObject *
dbm_subscript(dp, key)
dbmobject *dp;
- register object *key;
+register PyObject *key;
{
- object *v;
+ PyObject *v;
datum drec, krec;
- if (!getargs(key, "s#", &krec.dptr, &krec.dsize) )
+ if (!PyArg_Parse(key, "s#", &krec.dptr, &krec.dsize) )
return NULL;
drec = gdbm_fetch(dp->di_dbm, krec);
if ( drec.dptr == 0 ) {
- err_setstr(KeyError, GETSTRINGVALUE((stringobject *)key));
- return NULL;
+ PyErr_SetString(PyExc_KeyError,
+ PyString_AS_STRING((PyStringObject *)key));
+ return NULL;
}
- v = newsizedstringobject(drec.dptr, drec.dsize);
+ v = PyString_FromStringAndSize(drec.dptr, drec.dsize);
free(drec.dptr);
return v;
}
static int
dbm_ass_sub(dp, v, w)
dbmobject *dp;
- object *v, *w;
+PyObject *v, *w;
{
datum krec, drec;
- if ( !getargs(v, "s#", &krec.dptr, &krec.dsize) ) {
- err_setstr(TypeError, "gdbm mappings have string indices only");
- return -1;
+ if ( !PyArg_Parse(v, "s#", &krec.dptr, &krec.dsize) ) {
+ PyErr_SetString(PyExc_TypeError,
+ "gdbm mappings have string indices only");
+ return -1;
}
dp->di_size = -1;
if (w == NULL) {
- if ( gdbm_delete(dp->di_dbm, krec) < 0 ) {
- err_setstr(KeyError, GETSTRINGVALUE((stringobject *)v));
- return -1;
- }
+ if ( gdbm_delete(dp->di_dbm, krec) < 0 ) {
+ PyErr_SetString(PyExc_KeyError,
+ PyString_AS_STRING((PyStringObject *)v));
+ return -1;
+ }
} else {
- if ( !getargs(w, "s#", &drec.dptr, &drec.dsize) ) {
- err_setstr(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)
- err_errno(DbmError);
- else
- err_setstr(DbmError, (char *) gdbm_strerror(gdbm_errno));
- return -1;
- }
+ 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,
+ (char *) gdbm_strerror(gdbm_errno));
+ return -1;
+ }
}
return 0;
}
-static mapping_methods dbm_as_mapping = {
+static PyMappingMethods dbm_as_mapping = {
(inquiry)dbm_length, /*mp_length*/
(binaryfunc)dbm_subscript, /*mp_subscript*/
(objobjargproc)dbm_ass_sub, /*mp_ass_subscript*/
};
-static object *
+static PyObject *
dbm_close(dp, args)
register dbmobject *dp;
- object *args;
+PyObject *args;
{
- if ( !getnoarg(args) )
+ if ( !PyArg_NoArgs(args) )
return NULL;
if ( dp->di_dbm )
gdbm_close(dp->di_dbm);
dp->di_dbm = NULL;
- INCREF(None);
- return None;
+ Py_INCREF(Py_None);
+ return Py_None;
}
-static object *
+static PyObject *
dbm_keys(dp, args)
register dbmobject *dp;
- object *args;
+PyObject *args;
{
- register object *v, *item;
+ register PyObject *v, *item;
datum key, nextkey;
int err;
if (dp == NULL || !is_dbmobject(dp)) {
- err_badcall();
+ PyErr_BadInternalCall();
return NULL;
}
- if (!getnoarg(args))
+ if (!PyArg_NoArgs(args))
return NULL;
- v = newlistobject(0);
+ v = PyList_New(0);
if (v == NULL)
return NULL;
key = gdbm_firstkey(dp->di_dbm);
while (key.dptr) {
- item = newsizedstringobject(key.dptr, key.dsize);
- if (item == NULL) {
- free(key.dptr);
- DECREF(v);
- return NULL;
- }
- err = addlistitem(v, item);
- DECREF(item);
- if (err != 0) {
+ 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);
- DECREF(v);
- return NULL;
- }
- nextkey = gdbm_nextkey(dp->di_dbm, key);
- free(key.dptr);
- key = nextkey;
+ key = nextkey;
}
return v;
}
-static object *
+static PyObject *
dbm_has_key(dp, args)
register dbmobject *dp;
- object *args;
+PyObject *args;
{
datum key;
- if (!getargs(args, "s#", &key.dptr, &key.dsize))
+ if (!PyArg_Parse(args, "s#", &key.dptr, &key.dsize))
return NULL;
- return newintobject((long) gdbm_exists(dp->di_dbm, key));
+ return PyInt_FromLong((long) gdbm_exists(dp->di_dbm, key));
}
-static object *
+static PyObject *
dbm_firstkey(dp, args)
register dbmobject *dp;
- object *args;
+PyObject *args;
{
- register object *v;
+ register PyObject *v;
datum key;
- if (!getnoarg(args))
+ if (!PyArg_NoArgs(args))
return NULL;
key = gdbm_firstkey(dp->di_dbm);
if (key.dptr) {
- v = newsizedstringobject(key.dptr, key.dsize);
- free(key.dptr);
- return v;
+ v = PyString_FromStringAndSize(key.dptr, key.dsize);
+ free(key.dptr);
+ return v;
} else {
- INCREF(None);
- return None;
+ Py_INCREF(Py_None);
+ return Py_None;
}
}
-static object *
+static PyObject *
dbm_nextkey(dp, args)
register dbmobject *dp;
- object *args;
+PyObject *args;
{
- register object *v;
+ register PyObject *v;
datum key, nextkey;
- if (!getargs(args, "s#", &key.dptr, &key.dsize))
+ if (!PyArg_Parse(args, "s#", &key.dptr, &key.dsize))
return NULL;
nextkey = gdbm_nextkey(dp->di_dbm, key);
if (nextkey.dptr) {
- v = newsizedstringobject(nextkey.dptr, nextkey.dsize);
- free(nextkey.dptr);
- return v;
+ v = PyString_FromStringAndSize(nextkey.dptr, nextkey.dsize);
+ free(nextkey.dptr);
+ return v;
} else {
- INCREF(None);
- return None;
+ Py_INCREF(Py_None);
+ return Py_None;
}
}
-static object *
+static PyObject *
dbm_reorganize(dp, args)
register dbmobject *dp;
- object *args;
+PyObject *args;
{
- if (!getnoarg(args))
+ if (!PyArg_NoArgs(args))
return NULL;
errno = 0;
if (gdbm_reorganize(dp->di_dbm) < 0) {
- if (errno != 0)
- err_errno(DbmError);
- else
- err_setstr(DbmError, (char *) gdbm_strerror(gdbm_errno));
- return NULL;
+ if (errno != 0)
+ PyErr_SetFromErrno(DbmError);
+ else
+ PyErr_SetString(DbmError,
+ (char *) gdbm_strerror(gdbm_errno));
+ return NULL;
}
- INCREF(None);
- return None;
+ Py_INCREF(Py_None);
+ return Py_None;
}
-static struct methodlist dbm_methods[] = {
- {"close", (method)dbm_close},
- {"keys", (method)dbm_keys},
- {"has_key", (method)dbm_has_key},
- {"firstkey", (method)dbm_firstkey},
- {"nextkey", (method)dbm_nextkey},
- {"reorganize", (method)dbm_reorganize},
+static PyMethodDef dbm_methods[] = {
+ {"close", (PyCFunction)dbm_close},
+ {"keys", (PyCFunction)dbm_keys},
+ {"has_key", (PyCFunction)dbm_has_key},
+ {"firstkey", (PyCFunction)dbm_firstkey},
+ {"nextkey", (PyCFunction)dbm_nextkey},
+ {"reorganize", (PyCFunction)dbm_reorganize},
{NULL, NULL} /* sentinel */
};
-static object *
+static PyObject *
dbm_getattr(dp, name)
dbmobject *dp;
- char *name;
+char *name;
{
- return findmethod(dbm_methods, (object *)dp, name);
+ return Py_FindMethod(dbm_methods, (PyObject *)dp, name);
}
-static typeobject Dbmtype = {
- OB_HEAD_INIT(&Typetype)
+static PyTypeObject Dbmtype = {
+ PyObject_HEAD_INIT(&PyType_Type)
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*/
+ (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*/
};
/* ----------------------------------------------------------------- */
-static object *
+static PyObject *
dbmopen(self, args)
- object *self;
- object *args;
+ PyObject *self;
+PyObject *args;
{
- char *name;
- char *flags = "r ";
- int iflags;
- int mode = 0666;
+ char *name;
+ char *flags = "r ";
+ int iflags;
+ int mode = 0666;
/* XXXX add other flags. 2nd character can be "f" meaning open in fast mode. */
- if ( !newgetargs(args, "s|si", &name, &flags, &mode) )
- return NULL;
+ if ( !PyArg_ParseTuple(args, "s|si", &name, &flags, &mode) )
+ return NULL;
switch (flags[0]) {
case 'r':
- iflags = GDBM_READER;
- break;
+ iflags = GDBM_READER;
+ break;
case 'w':
- iflags = GDBM_WRITER;
- break;
+ iflags = GDBM_WRITER;
+ break;
case 'c':
- iflags = GDBM_WRCREAT;
- break;
+ iflags = GDBM_WRCREAT;
+ break;
case 'n':
- iflags = GDBM_NEWDB;
- break;
- default:
- err_setstr(DbmError,
- "Flags should be one of 'r', 'w', 'c' or 'n'");
- return NULL;
+ 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);
+ iflags |= GDBM_FAST;
+ return newdbmobject(name, iflags, mode);
}
-static struct methodlist dbmmodule_methods[] = {
- { "open", (method)dbmopen, 1 },
- { 0, 0 },
+static PyMethodDef dbmmodule_methods[] = {
+ { "open", (PyCFunction)dbmopen, 1 },
+ { 0, 0 },
};
void
initgdbm() {
- object *m, *d;
+ PyObject *m, *d;
- m = initmodule("gdbm", dbmmodule_methods);
- d = getmoduledict(m);
- DbmError = newstringobject("gdbm.error");
- if ( DbmError == NULL || dictinsert(d, "error", DbmError) )
- fatal("can't define gdbm.error");
+ m = Py_InitModule("gdbm", dbmmodule_methods);
+ d = PyModule_GetDict(m);
+ DbmError = PyString_FromString("gdbm.error");
+ if ( DbmError == NULL || PyDict_SetItemString(d, "error", DbmError) )
+ Py_FatalError("can't define gdbm.error");
}
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