--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/symbian-qemu-0.9.1-12/python-2.6.1/Modules/_sqlite/module.c Fri Jul 31 15:01:17 2009 +0100
@@ -0,0 +1,455 @@
+/* module.c - the module itself
+ *
+ * Copyright (C) 2004-2007 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 "connection.h"
+#include "statement.h"
+#include "cursor.h"
+#include "cache.h"
+#include "prepare_protocol.h"
+#include "microprotocols.h"
+#include "row.h"
+
+#if SQLITE_VERSION_NUMBER >= 3003003
+#define HAVE_SHARED_CACHE
+#endif
+
+/* static objects at module-level */
+
+PyObject* pysqlite_Error, *pysqlite_Warning, *pysqlite_InterfaceError, *pysqlite_DatabaseError,
+ *pysqlite_InternalError, *pysqlite_OperationalError, *pysqlite_ProgrammingError,
+ *pysqlite_IntegrityError, *pysqlite_DataError, *pysqlite_NotSupportedError, *pysqlite_OptimizedUnicode;
+
+PyObject* converters;
+int _enable_callback_tracebacks;
+int pysqlite_BaseTypeAdapted;
+
+static PyObject* module_connect(PyObject* self, PyObject* args, PyObject*
+ kwargs)
+{
+ /* Python seems to have no way of extracting a single keyword-arg at
+ * C-level, so this code is redundant with the one in connection_init in
+ * connection.c and must always be copied from there ... */
+
+ static char *kwlist[] = {"database", "timeout", "detect_types", "isolation_level", "check_same_thread", "factory", "cached_statements", NULL, NULL};
+ PyObject* database;
+ int detect_types = 0;
+ PyObject* isolation_level;
+ PyObject* factory = NULL;
+ int check_same_thread = 1;
+ int cached_statements;
+ double timeout = 5.0;
+
+ PyObject* result;
+
+ if (!PyArg_ParseTupleAndKeywords(args, kwargs, "O|diOiOi", kwlist,
+ &database, &timeout, &detect_types, &isolation_level, &check_same_thread, &factory, &cached_statements))
+ {
+ return NULL;
+ }
+
+ if (factory == NULL) {
+ factory = (PyObject*)&pysqlite_ConnectionType;
+ }
+
+ result = PyObject_Call(factory, args, kwargs);
+
+ return result;
+}
+
+PyDoc_STRVAR(module_connect_doc,
+"connect(database[, timeout, isolation_level, detect_types, factory])\n\
+\n\
+Opens a connection to the SQLite database file *database*. You can use\n\
+\":memory:\" to open a database connection to a database that resides in\n\
+RAM instead of on disk.");
+
+static PyObject* module_complete(PyObject* self, PyObject* args, PyObject*
+ kwargs)
+{
+ static char *kwlist[] = {"statement", NULL, NULL};
+ char* statement;
+
+ PyObject* result;
+
+ if (!PyArg_ParseTupleAndKeywords(args, kwargs, "s", kwlist, &statement))
+ {
+ return NULL;
+ }
+
+ if (sqlite3_complete(statement)) {
+ result = Py_True;
+ } else {
+ result = Py_False;
+ }
+
+ Py_INCREF(result);
+
+ return result;
+}
+
+PyDoc_STRVAR(module_complete_doc,
+"complete_statement(sql)\n\
+\n\
+Checks if a string contains a complete SQL statement. Non-standard.");
+
+#ifdef HAVE_SHARED_CACHE
+static PyObject* module_enable_shared_cache(PyObject* self, PyObject* args, PyObject*
+ kwargs)
+{
+ static char *kwlist[] = {"do_enable", NULL, NULL};
+ int do_enable;
+ int rc;
+
+ if (!PyArg_ParseTupleAndKeywords(args, kwargs, "i", kwlist, &do_enable))
+ {
+ return NULL;
+ }
+
+ rc = sqlite3_enable_shared_cache(do_enable);
+
+ if (rc != SQLITE_OK) {
+ PyErr_SetString(pysqlite_OperationalError, "Changing the shared_cache flag failed");
+ return NULL;
+ } else {
+ Py_INCREF(Py_None);
+ return Py_None;
+ }
+}
+
+PyDoc_STRVAR(module_enable_shared_cache_doc,
+"enable_shared_cache(do_enable)\n\
+\n\
+Enable or disable shared cache mode for the calling thread.\n\
+Experimental/Non-standard.");
+#endif /* HAVE_SHARED_CACHE */
+
+static PyObject* module_register_adapter(PyObject* self, PyObject* args)
+{
+ PyTypeObject* type;
+ PyObject* caster;
+ int rc;
+
+ if (!PyArg_ParseTuple(args, "OO", &type, &caster)) {
+ return NULL;
+ }
+
+ /* a basic type is adapted; there's a performance optimization if that's not the case
+ * (99 % of all usages) */
+ if (type == &PyInt_Type || type == &PyLong_Type || type == &PyFloat_Type
+ || type == &PyString_Type || type == &PyUnicode_Type || type == &PyBuffer_Type) {
+ pysqlite_BaseTypeAdapted = 1;
+ }
+
+ rc = pysqlite_microprotocols_add(type, (PyObject*)&pysqlite_PrepareProtocolType, caster);
+ if (rc == -1)
+ return NULL;
+
+ Py_INCREF(Py_None);
+ return Py_None;
+}
+
+PyDoc_STRVAR(module_register_adapter_doc,
+"register_adapter(type, callable)\n\
+\n\
+Registers an adapter with pysqlite's adapter registry. Non-standard.");
+
+static PyObject* module_register_converter(PyObject* self, PyObject* args)
+{
+ PyObject* orig_name;
+ PyObject* name = NULL;
+ PyObject* callable;
+ PyObject* retval = NULL;
+
+ if (!PyArg_ParseTuple(args, "SO", &orig_name, &callable)) {
+ return NULL;
+ }
+
+ /* convert the name to upper case */
+ name = PyObject_CallMethod(orig_name, "upper", "");
+ if (!name) {
+ goto error;
+ }
+
+ if (PyDict_SetItem(converters, name, callable) != 0) {
+ goto error;
+ }
+
+ Py_INCREF(Py_None);
+ retval = Py_None;
+error:
+ Py_XDECREF(name);
+ return retval;
+}
+
+PyDoc_STRVAR(module_register_converter_doc,
+"register_converter(typename, callable)\n\
+\n\
+Registers a converter with pysqlite. Non-standard.");
+
+static PyObject* enable_callback_tracebacks(PyObject* self, PyObject* args)
+{
+ if (!PyArg_ParseTuple(args, "i", &_enable_callback_tracebacks)) {
+ return NULL;
+ }
+
+ Py_INCREF(Py_None);
+ return Py_None;
+}
+
+PyDoc_STRVAR(enable_callback_tracebacks_doc,
+"enable_callback_tracebacks(flag)\n\
+\n\
+Enable or disable callback functions throwing errors to stderr.");
+
+static void converters_init(PyObject* dict)
+{
+ converters = PyDict_New();
+ if (!converters) {
+ return;
+ }
+
+ PyDict_SetItemString(dict, "converters", converters);
+}
+
+static PyMethodDef module_methods[] = {
+ {"connect", (PyCFunction)module_connect,
+ METH_VARARGS | METH_KEYWORDS, module_connect_doc},
+ {"complete_statement", (PyCFunction)module_complete,
+ METH_VARARGS | METH_KEYWORDS, module_complete_doc},
+#ifdef HAVE_SHARED_CACHE
+ {"enable_shared_cache", (PyCFunction)module_enable_shared_cache,
+ METH_VARARGS | METH_KEYWORDS, module_enable_shared_cache_doc},
+#endif
+ {"register_adapter", (PyCFunction)module_register_adapter,
+ METH_VARARGS, module_register_adapter_doc},
+ {"register_converter", (PyCFunction)module_register_converter,
+ METH_VARARGS, module_register_converter_doc},
+ {"adapt", (PyCFunction)pysqlite_adapt, METH_VARARGS,
+ pysqlite_adapt_doc},
+ {"enable_callback_tracebacks", (PyCFunction)enable_callback_tracebacks,
+ METH_VARARGS, enable_callback_tracebacks_doc},
+ {NULL, NULL}
+};
+
+struct _IntConstantPair {
+ char* constant_name;
+ int constant_value;
+};
+
+typedef struct _IntConstantPair IntConstantPair;
+
+static IntConstantPair _int_constants[] = {
+ {"PARSE_DECLTYPES", PARSE_DECLTYPES},
+ {"PARSE_COLNAMES", PARSE_COLNAMES},
+
+ {"SQLITE_OK", SQLITE_OK},
+ {"SQLITE_DENY", SQLITE_DENY},
+ {"SQLITE_IGNORE", SQLITE_IGNORE},
+ {"SQLITE_CREATE_INDEX", SQLITE_CREATE_INDEX},
+ {"SQLITE_CREATE_TABLE", SQLITE_CREATE_TABLE},
+ {"SQLITE_CREATE_TEMP_INDEX", SQLITE_CREATE_TEMP_INDEX},
+ {"SQLITE_CREATE_TEMP_TABLE", SQLITE_CREATE_TEMP_TABLE},
+ {"SQLITE_CREATE_TEMP_TRIGGER", SQLITE_CREATE_TEMP_TRIGGER},
+ {"SQLITE_CREATE_TEMP_VIEW", SQLITE_CREATE_TEMP_VIEW},
+ {"SQLITE_CREATE_TRIGGER", SQLITE_CREATE_TRIGGER},
+ {"SQLITE_CREATE_VIEW", SQLITE_CREATE_VIEW},
+ {"SQLITE_DELETE", SQLITE_DELETE},
+ {"SQLITE_DROP_INDEX", SQLITE_DROP_INDEX},
+ {"SQLITE_DROP_TABLE", SQLITE_DROP_TABLE},
+ {"SQLITE_DROP_TEMP_INDEX", SQLITE_DROP_TEMP_INDEX},
+ {"SQLITE_DROP_TEMP_TABLE", SQLITE_DROP_TEMP_TABLE},
+ {"SQLITE_DROP_TEMP_TRIGGER", SQLITE_DROP_TEMP_TRIGGER},
+ {"SQLITE_DROP_TEMP_VIEW", SQLITE_DROP_TEMP_VIEW},
+ {"SQLITE_DROP_TRIGGER", SQLITE_DROP_TRIGGER},
+ {"SQLITE_DROP_VIEW", SQLITE_DROP_VIEW},
+ {"SQLITE_INSERT", SQLITE_INSERT},
+ {"SQLITE_PRAGMA", SQLITE_PRAGMA},
+ {"SQLITE_READ", SQLITE_READ},
+ {"SQLITE_SELECT", SQLITE_SELECT},
+ {"SQLITE_TRANSACTION", SQLITE_TRANSACTION},
+ {"SQLITE_UPDATE", SQLITE_UPDATE},
+ {"SQLITE_ATTACH", SQLITE_ATTACH},
+ {"SQLITE_DETACH", SQLITE_DETACH},
+#if SQLITE_VERSION_NUMBER >= 3002001
+ {"SQLITE_ALTER_TABLE", SQLITE_ALTER_TABLE},
+ {"SQLITE_REINDEX", SQLITE_REINDEX},
+#endif
+#if SQLITE_VERSION_NUMBER >= 3003000
+ {"SQLITE_ANALYZE", SQLITE_ANALYZE},
+#endif
+ {(char*)NULL, 0}
+};
+
+PyMODINIT_FUNC init_sqlite3(void)
+{
+ PyObject *module, *dict;
+ PyObject *tmp_obj;
+ int i;
+
+ module = Py_InitModule("_sqlite3", module_methods);
+
+ if (!module ||
+ (pysqlite_row_setup_types() < 0) ||
+ (pysqlite_cursor_setup_types() < 0) ||
+ (pysqlite_connection_setup_types() < 0) ||
+ (pysqlite_cache_setup_types() < 0) ||
+ (pysqlite_statement_setup_types() < 0) ||
+ (pysqlite_prepare_protocol_setup_types() < 0)
+ ) {
+ return;
+ }
+
+ Py_INCREF(&pysqlite_ConnectionType);
+ PyModule_AddObject(module, "Connection", (PyObject*) &pysqlite_ConnectionType);
+ Py_INCREF(&pysqlite_CursorType);
+ PyModule_AddObject(module, "Cursor", (PyObject*) &pysqlite_CursorType);
+ Py_INCREF(&pysqlite_CacheType);
+ PyModule_AddObject(module, "Statement", (PyObject*)&pysqlite_StatementType);
+ Py_INCREF(&pysqlite_StatementType);
+ PyModule_AddObject(module, "Cache", (PyObject*) &pysqlite_CacheType);
+ Py_INCREF(&pysqlite_PrepareProtocolType);
+ PyModule_AddObject(module, "PrepareProtocol", (PyObject*) &pysqlite_PrepareProtocolType);
+ Py_INCREF(&pysqlite_RowType);
+ PyModule_AddObject(module, "Row", (PyObject*) &pysqlite_RowType);
+
+ if (!(dict = PyModule_GetDict(module))) {
+ goto error;
+ }
+
+ /*** Create DB-API Exception hierarchy */
+
+ if (!(pysqlite_Error = PyErr_NewException(MODULE_NAME ".Error", PyExc_StandardError, NULL))) {
+ goto error;
+ }
+ PyDict_SetItemString(dict, "Error", pysqlite_Error);
+
+ if (!(pysqlite_Warning = PyErr_NewException(MODULE_NAME ".Warning", PyExc_StandardError, NULL))) {
+ goto error;
+ }
+ PyDict_SetItemString(dict, "Warning", pysqlite_Warning);
+
+ /* Error subclasses */
+
+ if (!(pysqlite_InterfaceError = PyErr_NewException(MODULE_NAME ".InterfaceError", pysqlite_Error, NULL))) {
+ goto error;
+ }
+ PyDict_SetItemString(dict, "InterfaceError", pysqlite_InterfaceError);
+
+ if (!(pysqlite_DatabaseError = PyErr_NewException(MODULE_NAME ".DatabaseError", pysqlite_Error, NULL))) {
+ goto error;
+ }
+ PyDict_SetItemString(dict, "DatabaseError", pysqlite_DatabaseError);
+
+ /* pysqlite_DatabaseError subclasses */
+
+ if (!(pysqlite_InternalError = PyErr_NewException(MODULE_NAME ".InternalError", pysqlite_DatabaseError, NULL))) {
+ goto error;
+ }
+ PyDict_SetItemString(dict, "InternalError", pysqlite_InternalError);
+
+ if (!(pysqlite_OperationalError = PyErr_NewException(MODULE_NAME ".OperationalError", pysqlite_DatabaseError, NULL))) {
+ goto error;
+ }
+ PyDict_SetItemString(dict, "OperationalError", pysqlite_OperationalError);
+
+ if (!(pysqlite_ProgrammingError = PyErr_NewException(MODULE_NAME ".ProgrammingError", pysqlite_DatabaseError, NULL))) {
+ goto error;
+ }
+ PyDict_SetItemString(dict, "ProgrammingError", pysqlite_ProgrammingError);
+
+ if (!(pysqlite_IntegrityError = PyErr_NewException(MODULE_NAME ".IntegrityError", pysqlite_DatabaseError,NULL))) {
+ goto error;
+ }
+ PyDict_SetItemString(dict, "IntegrityError", pysqlite_IntegrityError);
+
+ if (!(pysqlite_DataError = PyErr_NewException(MODULE_NAME ".DataError", pysqlite_DatabaseError, NULL))) {
+ goto error;
+ }
+ PyDict_SetItemString(dict, "DataError", pysqlite_DataError);
+
+ if (!(pysqlite_NotSupportedError = PyErr_NewException(MODULE_NAME ".NotSupportedError", pysqlite_DatabaseError, NULL))) {
+ goto error;
+ }
+ PyDict_SetItemString(dict, "NotSupportedError", pysqlite_NotSupportedError);
+
+ /* We just need "something" unique for pysqlite_OptimizedUnicode. It does not really
+ * need to be a string subclass. Just anything that can act as a special
+ * marker for us. So I pulled PyCell_Type out of my magic hat.
+ */
+ Py_INCREF((PyObject*)&PyCell_Type);
+ pysqlite_OptimizedUnicode = (PyObject*)&PyCell_Type;
+ PyDict_SetItemString(dict, "OptimizedUnicode", pysqlite_OptimizedUnicode);
+
+ /* Set integer constants */
+ for (i = 0; _int_constants[i].constant_name != 0; i++) {
+ tmp_obj = PyInt_FromLong(_int_constants[i].constant_value);
+ if (!tmp_obj) {
+ goto error;
+ }
+ PyDict_SetItemString(dict, _int_constants[i].constant_name, tmp_obj);
+ Py_DECREF(tmp_obj);
+ }
+
+ if (!(tmp_obj = PyString_FromString(PYSQLITE_VERSION))) {
+ goto error;
+ }
+ PyDict_SetItemString(dict, "version", tmp_obj);
+ Py_DECREF(tmp_obj);
+
+ if (!(tmp_obj = PyString_FromString(sqlite3_libversion()))) {
+ goto error;
+ }
+ PyDict_SetItemString(dict, "sqlite_version", tmp_obj);
+ Py_DECREF(tmp_obj);
+
+ /* initialize microprotocols layer */
+ pysqlite_microprotocols_init(dict);
+
+ /* initialize the default converters */
+ converters_init(dict);
+
+ _enable_callback_tracebacks = 0;
+
+ pysqlite_BaseTypeAdapted = 0;
+
+ /* Original comment from _bsddb.c in the Python core. This is also still
+ * needed nowadays for Python 2.3/2.4.
+ *
+ * PyEval_InitThreads is called here due to a quirk in python 1.5
+ * - 2.2.1 (at least) according to Russell Williamson <merel@wt.net>:
+ * The global interpreter lock is not initialized until the first
+ * thread is created using thread.start_new_thread() or fork() is
+ * called. that would cause the ALLOW_THREADS here to segfault due
+ * to a null pointer reference if no threads or child processes
+ * have been created. This works around that and is a no-op if
+ * threads have already been initialized.
+ * (see pybsddb-users mailing list post on 2002-08-07)
+ */
+ PyEval_InitThreads();
+
+error:
+ if (PyErr_Occurred())
+ {
+ PyErr_SetString(PyExc_ImportError, MODULE_NAME ": init failed");
+ }
+}