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merged the sqlite-integration branch.

Browse source 
This is based on pysqlite2.1.3, and provides a DB-API interface in
the standard library. You'll need sqlite 3.2.2 or later to build
this - if you have an earlier version, the C extension module will
not be built.
This commit is contained in:
Anthony Baxter 2006-04-01 00:57:31 +00:00
parent c17976e983
commit c51ee69b27
34 changed files with 6075 additions and 0 deletions
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147
Modules/_sqlite/util.c Normal file
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/* util.c - various utility functions
*
* Copyright (C) 2005 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.
*/
#include "module.h"
#include "connection.h"
/*
* it's not so trivial to write a portable sleep in C. For now, the simplest
* solution is to just use Python's sleep().
*/
void pysqlite_sleep(double seconds)
{
PyObject* ret;
ret = PyObject_CallFunction(time_sleep, "d", seconds);
Py_DECREF(ret);
}
double pysqlite_time(void)
{
PyObject* ret;
double time;
ret = PyObject_CallFunction(time_time, "");
time = PyFloat_AsDouble(ret);
Py_DECREF(ret);
return time;
}
int _sqlite_step_with_busyhandler(sqlite3_stmt* statement, Connection* connection
)
{
int rc;
Py_BEGIN_ALLOW_THREADS
rc = sqlite3_step(statement);
Py_END_ALLOW_THREADS
return rc;
}
/**
* Checks the SQLite error code and sets the appropriate DB-API exception.
* Returns the error code (0 means no error occured).
*/
int _seterror(sqlite3* db)
{
int errorcode;
errorcode = sqlite3_errcode(db);
switch (errorcode)
{
case SQLITE_OK:
PyErr_Clear();
break;
case SQLITE_ERROR:
PyErr_SetString(OperationalError, sqlite3_errmsg(db));
break;
case SQLITE_INTERNAL:
PyErr_SetString(InternalError, sqlite3_errmsg(db));
break;
case SQLITE_PERM:
PyErr_SetString(OperationalError, sqlite3_errmsg(db));
break;
case SQLITE_ABORT:
PyErr_SetString(OperationalError, sqlite3_errmsg(db));
break;
case SQLITE_BUSY:
PyErr_SetString(OperationalError, sqlite3_errmsg(db));
break;
case SQLITE_LOCKED:
PyErr_SetString(OperationalError, sqlite3_errmsg(db));
break;
case SQLITE_NOMEM:
(void)PyErr_NoMemory();
break;
case SQLITE_READONLY:
PyErr_SetString(OperationalError, sqlite3_errmsg(db));
break;
case SQLITE_INTERRUPT:
PyErr_SetString(OperationalError, sqlite3_errmsg(db));
break;
case SQLITE_IOERR:
PyErr_SetString(OperationalError, sqlite3_errmsg(db));
break;
case SQLITE_CORRUPT:
PyErr_SetString(DatabaseError, sqlite3_errmsg(db));
break;
case SQLITE_NOTFOUND:
PyErr_SetString(InternalError, sqlite3_errmsg(db));
break;
case SQLITE_FULL:
PyErr_SetString(OperationalError, sqlite3_errmsg(db));
break;
case SQLITE_CANTOPEN:
PyErr_SetString(OperationalError, sqlite3_errmsg(db));
break;
case SQLITE_PROTOCOL:
PyErr_SetString(OperationalError, sqlite3_errmsg(db));
break;
case SQLITE_EMPTY:
PyErr_SetString(OperationalError, sqlite3_errmsg(db));
break;
case SQLITE_SCHEMA:
PyErr_SetString(OperationalError, sqlite3_errmsg(db));
break;
case SQLITE_TOOBIG:
PyErr_SetString(DataError, sqlite3_errmsg(db));
break;
case SQLITE_CONSTRAINT:
PyErr_SetString(IntegrityError, sqlite3_errmsg(db));
break;
case SQLITE_MISMATCH:
PyErr_SetString(IntegrityError, sqlite3_errmsg(db));
break;
case SQLITE_MISUSE:
PyErr_SetString(ProgrammingError, sqlite3_errmsg(db));
break;
default:
PyErr_SetString(DatabaseError, sqlite3_errmsg(db));
}
return errorcode;
}