mirror of https://github.com/python/cpython
renamed in a grand fashion.
This commit is contained in:
Roger E. Masse
parent
16f9fd2bcf
commit
b0dfe969d9
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@ -32,8 +32,7 @@ PERFORMANCE OF THIS SOFTWARE.
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/* DBM module using dictionary interface */
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#include "allobjects.h"
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#include "modsupport.h"
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#include "Python.h"
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#include <sys/types.h>
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#include <sys/stat.h>
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@ -41,18 +40,18 @@ PERFORMANCE OF THIS SOFTWARE.
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#include <ndbm.h>
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typedef struct {
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OB_HEAD
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PyObject_HEAD
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int di_size; /* -1 means recompute */
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DBM *di_dbm;
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} dbmobject;
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staticforward typeobject Dbmtype;
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staticforward PyTypeObject Dbmtype;
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#define is_dbmobject(v) ((v)->ob_type == &Dbmtype)
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static object *DbmError;
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static PyObject *DbmError;
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static object *
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static PyObject *
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newdbmobject(file, flags, mode)
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char *file;
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int flags;
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@ -60,16 +59,16 @@ newdbmobject(file, flags, mode)
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{
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dbmobject *dp;
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dp = NEWOBJ(dbmobject, &Dbmtype);
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dp = PyObject_NEW(dbmobject, &Dbmtype);
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if (dp == NULL)
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return NULL;
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dp->di_size = -1;
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if ( (dp->di_dbm = dbm_open(file, flags, mode)) == 0 ) {
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err_errno(DbmError);
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DECREF(dp);
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PyErr_SetFromErrno(DbmError);
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Py_DECREF(dp);
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return NULL;
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}
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return (object *)dp;
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return (PyObject *)dp;
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}
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/* Methods */
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@ -80,7 +79,7 @@ dbm_dealloc(dp)
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{
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if ( dp->di_dbm )
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dbm_close(dp->di_dbm);
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DEL(dp);
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PyMem_DEL(dp);
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}
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static int
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@ -100,176 +99,179 @@ dbm_length(dp)
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return dp->di_size;
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}
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static object *
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static PyObject *
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dbm_subscript(dp, key)
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dbmobject *dp;
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register object *key;
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register PyObject *key;
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{
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datum drec, krec;
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if (!getargs(key, "s#", &krec.dptr, &krec.dsize) )
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if (!PyArg_Parse(key, "s#", &krec.dptr, &krec.dsize) )
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return NULL;
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drec = dbm_fetch(dp->di_dbm, krec);
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if ( drec.dptr == 0 ) {
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err_setstr(KeyError, GETSTRINGVALUE((stringobject *)key));
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PyErr_SetString(PyExc_KeyError,
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PyString_AS_STRING((PyStringObject *)key));
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return NULL;
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}
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if ( dbm_error(dp->di_dbm) ) {
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dbm_clearerr(dp->di_dbm);
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err_setstr(DbmError, "");
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PyErr_SetString(DbmError, "");
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return NULL;
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}
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return newsizedstringobject(drec.dptr, drec.dsize);
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return PyString_FromStringAndSize(drec.dptr, drec.dsize);
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}
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static int
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dbm_ass_sub(dp, v, w)
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dbmobject *dp;
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object *v, *w;
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PyObject *v, *w;
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{
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datum krec, drec;
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if ( !getargs(v, "s#", &krec.dptr, &krec.dsize) ) {
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err_setstr(TypeError, "dbm mappings have string indices only");
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if ( !PyArg_Parse(v, "s#", &krec.dptr, &krec.dsize) ) {
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PyErr_SetString(PyExc_TypeError,
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"dbm mappings have string indices only");
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return -1;
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}
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dp->di_size = -1;
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if (w == NULL) {
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if ( dbm_delete(dp->di_dbm, krec) < 0 ) {
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dbm_clearerr(dp->di_dbm);
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err_setstr(KeyError, GETSTRINGVALUE((stringobject *)v));
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PyErr_SetString(PyExc_KeyError,
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PyString_AS_STRING((PyStringObject *)v));
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return -1;
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}
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} else {
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if ( !getargs(w, "s#", &drec.dptr, &drec.dsize) ) {
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err_setstr(TypeError,
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if ( !PyArg_Parse(w, "s#", &drec.dptr, &drec.dsize) ) {
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PyErr_SetString(PyExc_TypeError,
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"dbm mappings have string elements only");
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return -1;
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}
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if ( dbm_store(dp->di_dbm, krec, drec, DBM_REPLACE) < 0 ) {
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dbm_clearerr(dp->di_dbm);
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err_setstr(DbmError, "Cannot add item to database");
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PyErr_SetString(DbmError, "Cannot add item to database");
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return -1;
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}
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}
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if ( dbm_error(dp->di_dbm) ) {
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dbm_clearerr(dp->di_dbm);
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err_setstr(DbmError, "");
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PyErr_SetString(DbmError, "");
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return -1;
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}
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return 0;
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}
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static mapping_methods dbm_as_mapping = {
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static PyMappingMethods dbm_as_mapping = {
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(inquiry)dbm_length, /*mp_length*/
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(binaryfunc)dbm_subscript, /*mp_subscript*/
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(objobjargproc)dbm_ass_sub, /*mp_ass_subscript*/
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};
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static object *
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static PyObject *
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dbm__close(dp, args)
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register dbmobject *dp;
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object *args;
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PyObject *args;
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{
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if ( !getnoarg(args) )
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if ( !PyArg_NoArgs(args) )
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return NULL;
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if ( dp->di_dbm )
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dbm_close(dp->di_dbm);
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dp->di_dbm = NULL;
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INCREF(None);
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return None;
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Py_INCREF(Py_None);
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return Py_None;
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}
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static object *
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static PyObject *
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dbm_keys(dp, args)
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register dbmobject *dp;
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object *args;
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PyObject *args;
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{
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register object *v, *item;
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register PyObject *v, *item;
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datum key;
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int err;
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if (!getnoarg(args))
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if (!PyArg_NoArgs(args))
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return NULL;
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v = newlistobject(0);
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v = PyList_New(0);
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if (v == NULL)
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return NULL;
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for (key = dbm_firstkey(dp->di_dbm); key.dptr;
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key = dbm_nextkey(dp->di_dbm)) {
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item = newsizedstringobject(key.dptr, key.dsize);
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item = PyString_FromStringAndSize(key.dptr, key.dsize);
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if (item == NULL) {
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DECREF(v);
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Py_DECREF(v);
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return NULL;
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}
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err = addlistitem(v, item);
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DECREF(item);
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err = PyList_Append(v, item);
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Py_DECREF(item);
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if (err != 0) {
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DECREF(v);
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Py_DECREF(v);
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return NULL;
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}
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}
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return v;
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}
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static object *
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static PyObject *
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dbm_has_key(dp, args)
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register dbmobject *dp;
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object *args;
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PyObject *args;
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{
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datum key, val;
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if (!getargs(args, "s#", &key.dptr, &key.dsize))
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if (!PyArg_Parse(args, "s#", &key.dptr, &key.dsize))
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return NULL;
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val = dbm_fetch(dp->di_dbm, key);
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return newintobject(val.dptr != NULL);
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return PyInt_FromLong(val.dptr != NULL);
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}
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static struct methodlist dbm_methods[] = {
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{"close", (method)dbm__close},
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{"keys", (method)dbm_keys},
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{"has_key", (method)dbm_has_key},
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static PyMethodDef dbm_methods[] = {
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{"close", (PyCFunction)dbm__close},
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{"keys", (PyCFunction)dbm_keys},
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{"has_key", (PyCFunction)dbm_has_key},
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{NULL, NULL} /* sentinel */
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};
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static object *
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static PyObject *
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dbm_getattr(dp, name)
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dbmobject *dp;
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char *name;
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{
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return findmethod(dbm_methods, (object *)dp, name);
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return Py_FindMethod(dbm_methods, (PyObject *)dp, name);
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}
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static typeobject Dbmtype = {
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OB_HEAD_INIT(&Typetype)
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static PyTypeObject Dbmtype = {
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PyObject_HEAD_INIT(&PyType_Type)
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0,
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"dbm",
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sizeof(dbmobject),
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0,
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(destructor)dbm_dealloc, /*tp_dealloc*/
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0, /*tp_print*/
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(destructor)dbm_dealloc, /*tp_dealloc*/
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0, /*tp_print*/
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(getattrfunc)dbm_getattr, /*tp_getattr*/
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0, /*tp_setattr*/
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0, /*tp_compare*/
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0, /*tp_repr*/
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0, /*tp_as_number*/
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0, /*tp_as_sequence*/
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&dbm_as_mapping, /*tp_as_mapping*/
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0, /*tp_setattr*/
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0, /*tp_compare*/
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0, /*tp_repr*/
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0, /*tp_as_number*/
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0, /*tp_as_sequence*/
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&dbm_as_mapping, /*tp_as_mapping*/
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};
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/* ----------------------------------------------------------------- */
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static object *
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static PyObject *
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dbmopen(self, args)
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object *self;
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object *args;
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PyObject *self;
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PyObject *args;
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{
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char *name;
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char *flags = "r";
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int iflags;
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int mode = 0666;
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if ( !newgetargs(args, "s|si", &name, &flags, &mode) )
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if ( !PyArg_ParseTuple(args, "s|si", &name, &flags, &mode) )
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return NULL;
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if ( strcmp(flags, "r") == 0 )
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iflags = O_RDONLY;
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@ -282,25 +284,25 @@ dbmopen(self, args)
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else if ( strcmp(flags, "n") == 0 )
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iflags = O_RDWR|O_CREAT|O_TRUNC;
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else {
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err_setstr(DbmError,
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PyErr_SetString(DbmError,
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"Flags should be one of 'r', 'w', 'c' or 'n'");
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return NULL;
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}
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return newdbmobject(name, iflags, mode);
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}
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static struct methodlist dbmmodule_methods[] = {
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{ "open", (method)dbmopen, 1 },
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static PyMethodDef dbmmodule_methods[] = {
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{ "open", (PyCFunction)dbmopen, 1 },
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{ 0, 0 },
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};
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void
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initdbm() {
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object *m, *d;
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PyObject *m, *d;
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m = initmodule("dbm", dbmmodule_methods);
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d = getmoduledict(m);
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DbmError = newstringobject("dbm.error");
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if ( DbmError == NULL || dictinsert(d, "error", DbmError) )
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fatal("can't define dbm.error");
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m = Py_InitModule("dbm", dbmmodule_methods);
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d = PyModule_GetDict(m);
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DbmError = PyString_FromString("dbm.error");
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if ( DbmError == NULL || PyDict_SetItemString(d, "error", DbmError) )
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Py_FatalError("can't define dbm.error");
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}
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