--- /dev/null
+/* adapter_asis.c - adapt types as they are
+ *
+ * Copyright (C) 2003-2004 Federico Di Gregorio <fog@debian.org>
+ *
+ * This file is part of psycopg.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2,
+ * or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#include <Python.h>
+#include <structmember.h>
+#include <stringobject.h>
+#include <string.h>
+
+#define PSYCOPG_MODULE
+#include "psycopg/config.h"
+#include "psycopg/python.h"
+#include "psycopg/psycopg.h"
+#include "psycopg/adapter_asis.h"
+#include "psycopg/microprotocols_proto.h"
+
+/** the AsIs object **/
+
+static PyObject *
+asis_str(asisObject *self)
+{
+ if (self->wrapped == Py_None) {
+ return PyString_FromString("NULL");
+ }
+ else {
+ return PyObject_Str(self->wrapped);
+ }
+}
+
+PyObject *
+asis_getquoted(asisObject *self, PyObject *args)
+{
+ if (!PyArg_ParseTuple(args, "")) return NULL;
+ return asis_str(self);
+}
+
+PyObject *
+asis_conform(asisObject *self, PyObject *args)
+{
+ PyObject *res, *proto;
+
+ if (!PyArg_ParseTuple(args, "O", &proto)) return NULL;
+
+ if (proto == (PyObject*)&isqlquoteType)
+ res = (PyObject*)self;
+ else
+ res = Py_None;
+
+ Py_INCREF(res);
+ return res;
+}
+
+/** the AsIs object */
+
+/* object member list */
+
+static struct PyMemberDef asisObject_members[] = {
+ {"adapted", T_OBJECT, offsetof(asisObject, wrapped), RO},
+ {NULL}
+};
+
+/* object method table */
+
+static PyMethodDef asisObject_methods[] = {
+ {"getquoted", (PyCFunction)asis_getquoted, METH_VARARGS,
+ "getquoted() -> wrapped object value as SQL-quoted string"},
+ {"__conform__", (PyCFunction)asis_conform, METH_VARARGS, NULL},
+ {NULL} /* Sentinel */
+};
+
+/* initialization and finalization methods */
+
+static int
+asis_setup(asisObject *self, PyObject *obj)
+{
+ Dprintf("asis_setup: init asis object at %p, refcnt = %d",
+ self, ((PyObject *)self)->ob_refcnt);
+
+ self->wrapped = obj;
+ Py_INCREF(self->wrapped);
+
+ Dprintf("asis_setup: good asis object at %p, refcnt = %d",
+ self, ((PyObject *)self)->ob_refcnt);
+ return 0;
+}
+
+static void
+asis_dealloc(PyObject* obj)
+{
+ asisObject *self = (asisObject *)obj;
+
+ Py_XDECREF(self->wrapped);
+
+ Dprintf("asis_dealloc: deleted asis object at %p, refcnt = %d",
+ obj, obj->ob_refcnt);
+
+ obj->ob_type->tp_free(obj);
+}
+
+static int
+asis_init(PyObject *obj, PyObject *args, PyObject *kwds)
+{
+ PyObject *o;
+
+ if (!PyArg_ParseTuple(args, "O", &o))
+ return -1;
+
+ return asis_setup((asisObject *)obj, o);
+}
+
+static PyObject *
+asis_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
+{
+ return type->tp_alloc(type, 0);
+}
+
+static void
+asis_del(PyObject* self)
+{
+ PyObject_Del(self);
+}
+
+static PyObject *
+asis_repr(asisObject *self)
+{
+ return PyString_FromFormat("<psycopg2._psycopg.AsIs object at %p>", self);
+}
+
+
+/* object type */
+
+#define asisType_doc \
+"AsIs(str) -> new AsIs adapter object"
+
+PyTypeObject asisType = {
+ PyObject_HEAD_INIT(NULL)
+ 0,
+ "psycopg2._psycopg.AsIs",
+ sizeof(asisObject),
+ 0,
+ asis_dealloc, /*tp_dealloc*/
+ 0, /*tp_print*/
+
+ 0, /*tp_getattr*/
+ 0, /*tp_setattr*/
+
+ 0, /*tp_compare*/
+
+ (reprfunc)asis_repr, /*tp_repr*/
+ 0, /*tp_as_number*/
+ 0, /*tp_as_sequence*/
+ 0, /*tp_as_mapping*/
+ 0, /*tp_hash */
+
+ 0, /*tp_call*/
+ (reprfunc)asis_str, /*tp_str*/
+
+ 0, /*tp_getattro*/
+ 0, /*tp_setattro*/
+ 0, /*tp_as_buffer*/
+
+ Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE, /*tp_flags*/
+ asisType_doc, /*tp_doc*/
+
+ 0, /*tp_traverse*/
+ 0, /*tp_clear*/
+
+ 0, /*tp_richcompare*/
+ 0, /*tp_weaklistoffset*/
+
+ 0, /*tp_iter*/
+ 0, /*tp_iternext*/
+
+ /* Attribute descriptor and subclassing stuff */
+
+ asisObject_methods, /*tp_methods*/
+ asisObject_members, /*tp_members*/
+ 0, /*tp_getset*/
+ 0, /*tp_base*/
+ 0, /*tp_dict*/
+
+ 0, /*tp_descr_get*/
+ 0, /*tp_descr_set*/
+ 0, /*tp_dictoffset*/
+
+ asis_init, /*tp_init*/
+ 0, /*tp_alloc will be set to PyType_GenericAlloc in module init*/
+ asis_new, /*tp_new*/
+ (freefunc)asis_del, /*tp_free Low-level free-memory routine */
+ 0, /*tp_is_gc For PyObject_IS_GC */
+ 0, /*tp_bases*/
+ 0, /*tp_mro method resolution order */
+ 0, /*tp_cache*/
+ 0, /*tp_subclasses*/
+ 0 /*tp_weaklist*/
+};
+
+
+/** module-level functions **/
+
+PyObject *
+psyco_AsIs(PyObject *module, PyObject *args)
+{
+ PyObject *obj;
+
+ if (!PyArg_ParseTuple(args, "O", &obj))
+ return NULL;
+
+ return PyObject_CallFunction((PyObject *)&asisType, "O", obj);
+}
git://git.onelab.eu / plcapi.git / blobdiff