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authorAnthony Baxter <anthonybaxter@gmail.com>2006-04-01 00:57:31 (GMT)
committerAnthony Baxter <anthonybaxter@gmail.com>2006-04-01 00:57:31 (GMT)
commitc51ee69b27a35bb45e501766dd33674eae7ddb30 (patch)
tree7853c32c266a623463cdd632178a298b1c0e53a1 /Modules/_sqlite/util.c
parentc17976e9833f3093adb1019356737e728a24f7c9 (diff)
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merged the sqlite-integration branch.
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.
Diffstat (limited to 'Modules/_sqlite/util.c')
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diff --git a/Modules/_sqlite/util.c b/Modules/_sqlite/util.c
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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;
+}
+