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/* python.h - python version compatibility stuff
*
* Copyright (C) 2003-2010 Federico Di Gregorio <fog@debian.org>
*
* This file is part of psycopg.
*
* psycopg2 is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* In addition, as a special exception, the copyright holders give
* permission to link this program with the OpenSSL library (or with
* modified versions of OpenSSL that use the same license as OpenSSL),
* and distribute linked combinations including the two.
*
* You must obey the GNU Lesser General Public License in all respects for
* all of the code used other than OpenSSL.
*
* psycopg2 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 Lesser General Public
* License for more details.
*/
#ifndef PSYCOPG_PYTHON_H
#define PSYCOPG_PYTHON_H 1
#include <structmember.h>
#if PY_MAJOR_VERSION < 3
#include <stringobject.h>
#endif
#if PY_VERSION_HEX < 0x02040000
# error "psycopg requires Python >= 2.4"
#endif
#if PY_VERSION_HEX < 0x02050000 && !defined(PY_SSIZE_T_MIN)
typedef int Py_ssize_t;
#define PY_SSIZE_T_MIN INT_MIN
#define PY_SSIZE_T_MAX INT_MAX
#define PY_FORMAT_SIZE_T ""
#define PyInt_FromSsize_t(x) PyInt_FromLong((x))
#define lenfunc inquiry
#define ssizeargfunc intargfunc
#define readbufferproc getreadbufferproc
#define writebufferproc getwritebufferproc
#define segcountproc getsegcountproc
#define charbufferproc getcharbufferproc
#define CONV_CODE_PY_SSIZE_T "i"
#else
#define CONV_CODE_PY_SSIZE_T "n"
#endif
/* hash() return size changed around version 3.2a4 on 64bit platforms. Before
* this, the return size was always a long, regardless of arch. ~3.2
* introduced the Py_hash_t & Py_uhash_t typedefs with the resulting sizes
* based upon arch. */
#if PY_VERSION_HEX < 0x030200A4
typedef long Py_hash_t;
typedef unsigned long Py_uhash_t;
#endif
/* Macros defined in Python 2.6 */
#ifndef Py_REFCNT
#define Py_REFCNT(ob) (((PyObject*)(ob))->ob_refcnt)
#define Py_TYPE(ob) (((PyObject*)(ob))->ob_type)
#define Py_SIZE(ob) (((PyVarObject*)(ob))->ob_size)
#define PyVarObject_HEAD_INIT(x,n) PyObject_HEAD_INIT(x) n,
#endif
/* Missing at least in Python 2.4 */
#ifndef Py_MEMCPY
#define Py_MEMCPY memcpy
#endif
/* FORMAT_CODE_PY_SSIZE_T is for Py_ssize_t: */
#define FORMAT_CODE_PY_SSIZE_T "%" PY_FORMAT_SIZE_T "d"
/* FORMAT_CODE_SIZE_T is for plain size_t, not for Py_ssize_t: */
#ifdef _MSC_VER
/* For MSVC: */
#define FORMAT_CODE_SIZE_T "%Iu"
#else
/* C99 standard format code: */
#define FORMAT_CODE_SIZE_T "%zu"
#endif
/* Abstract from text type. Only supported for ASCII and UTF-8 */
#if PY_MAJOR_VERSION < 3
#define Text_Type PyString_Type
#define Text_Check(s) PyString_Check(s)
#define Text_Format(f,a) PyString_Format(f,a)
#define Text_FromUTF8(s) PyString_FromString(s)
#define Text_FromUTF8AndSize(s,n) PyString_FromStringAndSize(s,n)
#else
#define Text_Type PyUnicode_Type
#define Text_Check(s) PyUnicode_Check(s)
#define Text_Format(f,a) PyUnicode_Format(f,a)
#define Text_FromUTF8(s) PyUnicode_FromString(s)
#define Text_FromUTF8AndSize(s,n) PyUnicode_FromStringAndSize(s,n)
#endif
#if PY_MAJOR_VERSION > 2
#define PyInt_Type PyLong_Type
#define PyInt_Check PyLong_Check
#define PyInt_AsLong PyLong_AsLong
#define PyInt_FromLong PyLong_FromLong
#define PyInt_FromSsize_t PyLong_FromSsize_t
#define PyString_FromFormat PyUnicode_FromFormat
#define Py_TPFLAGS_HAVE_ITER 0L
#define Py_TPFLAGS_HAVE_RICHCOMPARE 0L
#define Py_TPFLAGS_HAVE_WEAKREFS 0L
#ifndef PyNumber_Int
#define PyNumber_Int PyNumber_Long
#endif
#endif /* PY_MAJOR_VERSION > 2 */
#if PY_MAJOR_VERSION < 3
#define Bytes_Type PyString_Type
#define Bytes_Check PyString_Check
#define Bytes_CheckExact PyString_CheckExact
#define Bytes_AS_STRING PyString_AS_STRING
#define Bytes_GET_SIZE PyString_GET_SIZE
#define Bytes_Size PyString_Size
#define Bytes_AsString PyString_AsString
#define Bytes_AsStringAndSize PyString_AsStringAndSize
#define Bytes_FromString PyString_FromString
#define Bytes_FromStringAndSize PyString_FromStringAndSize
#define Bytes_FromFormat PyString_FromFormat
#define Bytes_ConcatAndDel PyString_ConcatAndDel
#define _Bytes_Resize _PyString_Resize
#else
#define Bytes_Type PyBytes_Type
#define Bytes_Check PyBytes_Check
#define Bytes_CheckExact PyBytes_CheckExact
#define Bytes_AS_STRING PyBytes_AS_STRING
#define Bytes_GET_SIZE PyBytes_GET_SIZE
#define Bytes_Size PyBytes_Size
#define Bytes_AsString PyBytes_AsString
#define Bytes_AsStringAndSize PyBytes_AsStringAndSize
#define Bytes_FromString PyBytes_FromString
#define Bytes_FromStringAndSize PyBytes_FromStringAndSize
#define Bytes_FromFormat PyBytes_FromFormat
#define Bytes_ConcatAndDel PyBytes_ConcatAndDel
#define _Bytes_Resize _PyBytes_Resize
#endif
HIDDEN PyObject *Bytes_Format(PyObject *format, PyObject *args);
/* Mangle the module name into the name of the module init function */
#if PY_MAJOR_VERSION > 2
#define INIT_MODULE(m) PyInit_ ## m
#else
#define INIT_MODULE(m) init ## m
#endif
#endif /* !defined(PSYCOPG_PYTHON_H) */
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