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/* connection.h - definitions for the connection type

* 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

#define PY_SSIZE_T_CLEAN

#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;

} 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 cursors and blobs used within this connection */

PyObject *cursors;

PyObject *blobs;

/* Counters for how many cursors were created in the connection. May be

* reset to 0 at certain intervals */

int created_cursors;

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

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