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