mirror of https://github.com/python/cpython
148 lines
4.4 KiB
C
148 lines
4.4 KiB
C
/* util.c - various utility functions
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*
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* Copyright (C) 2005 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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#include "module.h"
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#include "connection.h"
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/*
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* it's not so trivial to write a portable sleep in C. For now, the simplest
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* solution is to just use Python's sleep().
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*/
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void pysqlite_sleep(double seconds)
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{
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PyObject* ret;
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ret = PyObject_CallFunction(time_sleep, "d", seconds);
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Py_DECREF(ret);
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}
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double pysqlite_time(void)
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{
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PyObject* ret;
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double time;
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ret = PyObject_CallFunction(time_time, "");
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time = PyFloat_AsDouble(ret);
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Py_DECREF(ret);
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return time;
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}
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int _sqlite_step_with_busyhandler(sqlite3_stmt* statement, Connection* connection
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)
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{
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int rc;
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Py_BEGIN_ALLOW_THREADS
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rc = sqlite3_step(statement);
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Py_END_ALLOW_THREADS
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return rc;
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}
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/**
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* Checks the SQLite error code and sets the appropriate DB-API exception.
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* Returns the error code (0 means no error occured).
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*/
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int _seterror(sqlite3* db)
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{
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int errorcode;
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errorcode = sqlite3_errcode(db);
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switch (errorcode)
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{
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case SQLITE_OK:
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PyErr_Clear();
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break;
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case SQLITE_ERROR:
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PyErr_SetString(OperationalError, sqlite3_errmsg(db));
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break;
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case SQLITE_INTERNAL:
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PyErr_SetString(InternalError, sqlite3_errmsg(db));
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break;
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case SQLITE_PERM:
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PyErr_SetString(OperationalError, sqlite3_errmsg(db));
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break;
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case SQLITE_ABORT:
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PyErr_SetString(OperationalError, sqlite3_errmsg(db));
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break;
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case SQLITE_BUSY:
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PyErr_SetString(OperationalError, sqlite3_errmsg(db));
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break;
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case SQLITE_LOCKED:
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PyErr_SetString(OperationalError, sqlite3_errmsg(db));
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break;
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case SQLITE_NOMEM:
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(void)PyErr_NoMemory();
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break;
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case SQLITE_READONLY:
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PyErr_SetString(OperationalError, sqlite3_errmsg(db));
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break;
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case SQLITE_INTERRUPT:
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PyErr_SetString(OperationalError, sqlite3_errmsg(db));
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break;
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case SQLITE_IOERR:
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PyErr_SetString(OperationalError, sqlite3_errmsg(db));
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break;
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case SQLITE_CORRUPT:
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PyErr_SetString(DatabaseError, sqlite3_errmsg(db));
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break;
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case SQLITE_NOTFOUND:
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PyErr_SetString(InternalError, sqlite3_errmsg(db));
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break;
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case SQLITE_FULL:
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PyErr_SetString(OperationalError, sqlite3_errmsg(db));
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break;
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case SQLITE_CANTOPEN:
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PyErr_SetString(OperationalError, sqlite3_errmsg(db));
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break;
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case SQLITE_PROTOCOL:
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PyErr_SetString(OperationalError, sqlite3_errmsg(db));
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break;
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case SQLITE_EMPTY:
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PyErr_SetString(OperationalError, sqlite3_errmsg(db));
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break;
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case SQLITE_SCHEMA:
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PyErr_SetString(OperationalError, sqlite3_errmsg(db));
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break;
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case SQLITE_TOOBIG:
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PyErr_SetString(DataError, sqlite3_errmsg(db));
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break;
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case SQLITE_CONSTRAINT:
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PyErr_SetString(IntegrityError, sqlite3_errmsg(db));
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break;
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case SQLITE_MISMATCH:
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PyErr_SetString(IntegrityError, sqlite3_errmsg(db));
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break;
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case SQLITE_MISUSE:
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PyErr_SetString(ProgrammingError, sqlite3_errmsg(db));
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break;
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default:
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PyErr_SetString(DatabaseError, sqlite3_errmsg(db));
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}
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return errorcode;
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}
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