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