psycopg/psycopg2
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Remove backward compatibility support for Python versions older than

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2.4, since we don't really support them any way.
This commit is contained in:
James Henstridge 2008-12-26 09:37:44 +09:00
parent 5480cf5332
commit e7b8d6505e
2 changed files with 26 additions and 62 deletions
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32
psycopg/psycopg.h
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@ -27,42 +27,12 @@
#include <libpq-fe.h>
#include "psycopg/config.h"
#include "psycopg/python.h"
#ifdef __cplusplus
extern "C" {
#endif
/* Python 2.5+ Py_ssize_t compatibility: */
#ifndef PY_FORMAT_SIZE_T
#define PY_FORMAT_SIZE_T ""
#endif
/* 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
/* FORMAT_CODE_PY_SSIZE_T is for Py_ssize_t: */
#define FORMAT_CODE_PY_SSIZE_T "%" PY_FORMAT_SIZE_T "d"
#if PY_MAJOR_VERSION == 2 && PY_MINOR_VERSION >= 5
#define CONV_CODE_PY_SSIZE_T "n"
#else
#define CONV_CODE_PY_SSIZE_T "i"
typedef int Py_ssize_t;
#define PY_SSIZE_T_MIN INT_MIN
#define PY_SSIZE_T_MAX INT_MAX
#define readbufferproc getreadbufferproc
#define writebufferproc getwritebufferproc
#define segcountproc getsegcountproc
#define charbufferproc getcharbufferproc
#endif
/* DBAPI compliance parameters */
#define APILEVEL "2.0"
#define THREADSAFETY 2

56
psycopg/python.h
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@ -26,42 +26,36 @@
#include <Python.h>
#include <structmember.h>
/* python < 2.2 does not have PyMemeberDef */
#if PY_MAJOR_VERSION == 2 && PY_MINOR_VERSION < 2
#define PyMemberDef memberlist
#if PY_VERSION_HEX < 0x02040000
# error "psycopg requires Python >= 2.4"
#endif
/* PyObject_TypeCheck introduced in 2.2 */
#ifndef PyObject_TypeCheck
#define PyObject_TypeCheck(o, t) ((o)->ob_type == (t))
#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 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
/* python 2.2 does not have freefunc (it has destructor instead) */
#if PY_MAJOR_VERSION == 2 && PY_MINOR_VERSION < 3
#define freefunc destructor
#endif
/* FORMAT_CODE_PY_SSIZE_T is for Py_ssize_t: */
#define FORMAT_CODE_PY_SSIZE_T "%" PY_FORMAT_SIZE_T "d"
/* Py_VISIT and Py_CLEAR introduced in Python 2.4 */
#ifndef Py_VISIT
#define Py_VISIT(op) \
do { \
if (op) { \
int vret = visit((op), arg); \
if (vret) \
return vret; \
} \
} while (0)
#endif
#ifndef Py_CLEAR
#define Py_CLEAR(op) \
do { \
if (op) { \
PyObject *tmp = (PyObject *)(op); \
(op) = NULL; \
Py_DECREF(tmp); \
} \
} while (0)
/* 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
#endif /* !defined(PSYCOPG_PYTHON_H) */