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/* connection.h - definitions for the connection type
*
* Copyright (C) 2004-2010 Gerhard Häring <gh@ghaering.de>
*
* This file is part of pysqlite.
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any damages
* arising from the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
* 3. This notice may not be removed or altered from any source distribution.
*/
#ifndef PYSQLITE_CONNECTION_H
#define PYSQLITE_CONNECTION_H
#include "Python.h"
#include "pythread.h"
#include "structmember.h"
#include "module.h"
#include "sqlite3.h"
typedef struct _callback_context
{
PyObject *callable;
PyObject *module;
pysqlite_state *state;
Py_ssize_t refcount;
} callback_context;
enum autocommit_mode {
AUTOCOMMIT_LEGACY = LEGACY_TRANSACTION_CONTROL,
AUTOCOMMIT_ENABLED = 1,
AUTOCOMMIT_DISABLED = 0,
};
typedef struct
{
PyObject_HEAD
sqlite3 *db;
pysqlite_state *state;
/* the type detection mode. Only 0, PARSE_DECLTYPES, PARSE_COLNAMES or a
* bitwise combination thereof makes sense */
int detect_types;
/* NULL for autocommit, otherwise a string with the isolation level */
const char *isolation_level;
enum autocommit_mode autocommit;
/* 1 if a check should be performed for each API call if the connection is
* used from the same thread it was created in */
int check_same_thread;
int initialized;
/* thread identification of the thread the connection was created in */
unsigned long thread_ident;
PyObject *statement_cache;
/* Lists of weak references to blobs used within this connection */
PyObject *blobs;
PyObject* row_factory;
/* Determines how bytestrings from SQLite are converted to Python objects:
* - PyUnicode_Type: Python Unicode objects are constructed from UTF-8 bytestrings
* - PyBytes_Type: The bytestrings are returned as-is.
* - Any custom callable: Any object returned from the callable called with the bytestring
* as single parameter.
*/
PyObject* text_factory;
// Remember contexts used by the trace, progress, and authoriser callbacks
callback_context *trace_ctx;
callback_context *progress_ctx;
callback_context *authorizer_ctx;
/* Exception objects: borrowed refs. */
PyObject* Warning;
PyObject* Error;
PyObject* InterfaceError;
PyObject* DatabaseError;
PyObject* DataError;
PyObject* OperationalError;
PyObject* IntegrityError;
PyObject* InternalError;
PyObject* ProgrammingError;
PyObject* NotSupportedError;
} pysqlite_Connection;
int pysqlite_check_thread(pysqlite_Connection* self);
int pysqlite_check_connection(pysqlite_Connection* con);
int pysqlite_connection_setup_types(PyObject *module);
#endif