mirror of
https://github.com/psycopg/psycopg2.git
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108 lines
3.0 KiB
C
108 lines
3.0 KiB
C
/* psycopg.h - definitions for the psycopg python module
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*
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* Copyright (C) 2003 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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* 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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*
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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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*
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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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*/
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#ifndef PSYCOPG_H
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#define PSYCOPG_H 1
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#include <Python.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* DBAPI compliance parameters */
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#define APILEVEL "2.0"
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#define THREADSAFETY 2
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#define PARAMSTYLE "pyformat"
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/* C API functions */
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#define psyco_errors_fill_NUM 0
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#define psyco_errors_fill_RETURN void
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#define psyco_errors_fill_PROTO (PyObject *dict)
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#define psyco_errors_set_NUM 1
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#define psyco_errors_set_RETURN void
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#define psyco_errors_set_PROTO (PyObject *type)
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/* Total number of C API pointers */
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#define PSYCOPG_API_pointers 2
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#ifdef PSYCOPG_MODULE
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/** This section is used when compiling psycopgmodule.c & co. **/
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extern psyco_errors_fill_RETURN psyco_errors_fill psyco_errors_fill_PROTO;
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extern psyco_errors_set_RETURN psyco_errors_set psyco_errors_set_PROTO;
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/* global excpetions */
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extern PyObject *Error, *Warning, *InterfaceError, *DatabaseError,
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*InternalError, *OperationalError, *ProgrammingError,
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*IntegrityError, *DataError, *NotSupportedError;
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/* python versions and compatibility stuff */
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#ifndef PyMODINIT_FUNC
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#define PyMODINIT_FUNC void
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#endif
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#else
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/** This section is used in modules that use psycopg's C API **/
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static void **PSYCOPG_API;
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#define psyco_errors_fill \
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(*(psyco_errors_fill_RETURN (*)psyco_errors_fill_PROTO) \
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PSYCOPG_API[psyco_errors_fill_NUM])
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#define psyco_errors_set \
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(*(psyco_errors_set_RETURN (*)psyco_errors_set_PROTO) \
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PSYCOPG_API[psyco_errors_set_NUM])
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/* Return -1 and set exception on error, 0 on success. */
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static int
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import_psycopg(void)
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{
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PyObject *module = PyImport_ImportModule("psycopg");
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if (module != NULL) {
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PyObject *c_api_object = PyObject_GetAttrString(module, "_C_API");
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if (c_api_object == NULL) return -1;
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if (PyCObject_Check(c_api_object))
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PSYCOPG_API = (void **)PyCObject_AsVoidPtr(c_api_object);
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Py_DECREF(c_api_object);
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}
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return 0;
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}
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#endif
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/* postgresql<->python encoding map */
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extern PyObject *psycoEncodings;
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typedef struct {
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char *pgenc;
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char *pyenc;
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} encodingPair;
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/* the Decimal type, used by the DECIMAL typecaster */
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extern PyObject *decimalType;
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#ifdef __cplusplus
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}
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#endif
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#endif /* !defined(PSYCOPG_H) */
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