mirror of
https://github.com/psycopg/psycopg2.git
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147 lines
4.7 KiB
C
147 lines
4.7 KiB
C
/* python.h - python version compatibility stuff
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*
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* Copyright (C) 2003-2010 Federico Di Gregorio <fog@debian.org>
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*
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* This file is part of psycopg.
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*
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* psycopg2 is free software: you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published
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* by the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* In addition, as a special exception, the copyright holders give
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* permission to link this program with the OpenSSL library (or with
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* modified versions of OpenSSL that use the same license as OpenSSL),
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* and distribute linked combinations including the two.
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*
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* You must obey the GNU Lesser General Public License in all respects for
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* all of the code used other than OpenSSL.
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*
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* psycopg2 is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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* License for more details.
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*/
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#ifndef PSYCOPG_PYTHON_H
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#define PSYCOPG_PYTHON_H 1
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#include <structmember.h>
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#if PY_MAJOR_VERSION < 3
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#include <stringobject.h>
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#endif
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#if PY_VERSION_HEX < 0x02040000
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# error "psycopg requires Python >= 2.4"
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#endif
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#if PY_VERSION_HEX < 0x02050000 && !defined(PY_SSIZE_T_MIN)
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typedef int Py_ssize_t;
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#define PY_SSIZE_T_MIN INT_MIN
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#define PY_SSIZE_T_MAX INT_MAX
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#define PY_FORMAT_SIZE_T ""
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#define PyInt_FromSsize_t(x) PyInt_FromLong((x))
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#define lenfunc inquiry
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#define ssizeargfunc intargfunc
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#define readbufferproc getreadbufferproc
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#define writebufferproc getwritebufferproc
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#define segcountproc getsegcountproc
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#define charbufferproc getcharbufferproc
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#define CONV_CODE_PY_SSIZE_T "i"
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#else
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#define CONV_CODE_PY_SSIZE_T "n"
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#endif
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/* Macros defined in Python 2.6 */
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#ifndef Py_REFCNT
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#define Py_REFCNT(ob) (((PyObject*)(ob))->ob_refcnt)
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#define Py_TYPE(ob) (((PyObject*)(ob))->ob_type)
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#define Py_SIZE(ob) (((PyVarObject*)(ob))->ob_size)
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#define PyVarObject_HEAD_INIT(x,n) PyObject_HEAD_INIT(x) n,
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#endif
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/* FORMAT_CODE_PY_SSIZE_T is for Py_ssize_t: */
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#define FORMAT_CODE_PY_SSIZE_T "%" PY_FORMAT_SIZE_T "d"
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/* FORMAT_CODE_SIZE_T is for plain size_t, not for Py_ssize_t: */
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#ifdef _MSC_VER
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/* For MSVC: */
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#define FORMAT_CODE_SIZE_T "%Iu"
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#else
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/* C99 standard format code: */
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#define FORMAT_CODE_SIZE_T "%zu"
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#endif
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/* Abstract from text type. Only supported for ASCII and UTF-8 */
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#if PY_MAJOR_VERSION < 3
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#define Text_Type PyString_Type
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#define Text_Check(s) PyString_Check(s)
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#define Text_Format(f,a) PyString_Format(f,a)
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#define Text_FromUTF8(s) PyString_FromString(s)
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#define Text_FromUTF8AndSize(s,n) PyString_FromStringAndSize(s,n)
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#else
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#define Text_Type PyUnicode_Type
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#define Text_Check(s) PyUnicode_Check(s)
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#define Text_Format(f,a) PyUnicode_Format(f,a)
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#define Text_FromUTF8(s) PyUnicode_FromString(s)
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#define Text_FromUTF8AndSize(s,n) PyUnicode_FromStringAndSize(s,n)
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#endif
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#if PY_MAJOR_VERSION > 2
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#define PyInt_Type PyLong_Type
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#define PyInt_AsLong PyLong_AsLong
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#define PyInt_FromLong PyLong_FromLong
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#define PyInt_FromSsize_t PyLong_FromSsize_t
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#define PyString_FromFormat PyUnicode_FromFormat
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#define Py_TPFLAGS_HAVE_ITER 0L
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#define Py_TPFLAGS_HAVE_RICHCOMPARE 0L
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#ifndef PyNumber_Int
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#define PyNumber_Int PyNumber_Long
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#endif
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#endif /* PY_MAJOR_VERSION > 2 */
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#if PY_MAJOR_VERSION < 3
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/* XXX BytesType -> Bytes_Type */
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#define BytesType PyString_Type
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#define Bytes_Check PyString_Check
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#define Bytes_CheckExact PyString_CheckExact
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#define Bytes_AS_STRING PyString_AS_STRING
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#define Bytes_GET_SIZE PyString_GET_SIZE
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#define Bytes_Size PyString_Size
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#define Bytes_AsString PyString_AsString
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#define Bytes_AsStringAndSize PyString_AsStringAndSize
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#define Bytes_FromString PyString_FromString
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#define Bytes_FromStringAndSize PyString_FromStringAndSize
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#define Bytes_FromFormat PyString_FromFormat
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#define Bytes_Format PyString_Format
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#else
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#define BytesType PyBytes_Type
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#define Bytes_Check PyBytes_Check
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#define Bytes_CheckExact PyBytes_CheckExact
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#define Bytes_AS_STRING PyBytes_AS_STRING
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#define Bytes_GET_SIZE PyBytes_GET_SIZE
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#define Bytes_Size PyBytes_Size
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#define Bytes_AsString PyBytes_AsString
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#define Bytes_AsStringAndSize PyBytes_AsStringAndSize
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#define Bytes_FromString PyBytes_FromString
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#define Bytes_FromStringAndSize PyBytes_FromStringAndSize
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#define Bytes_FromFormat PyBytes_FromFormat
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#define Bytes_Format PyBytes_Format
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HIDDEN PyObject *PyBytes_Format(PyObject *format, PyObject *args);
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#endif
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/* Mangle the module name into the name of the module init function */
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#if PY_MAJOR_VERSION > 2
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#define INIT_MODULE(m) PyInit_ ## m
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#else
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#define INIT_MODULE(m) init ## m
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#endif
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#endif /* !defined(PSYCOPG_PYTHON_H) */
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