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Updated the sqlite3 module to the external pysqlite 2.2.2 version.

This commit is contained in:
Gerhard Häring 2006-04-23 15:24:26 +00:00
parent 5ef9d9fdb9
commit 3e99c0ad64
22 changed files with 310 additions and 313 deletions
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42
Lib/sqlite3/dbapi2.py
View File

@ -22,6 +22,9 @@
# 3. This notice may not be removed or altered from any source distribution.
import datetime
import time
from _sqlite3 import *
paramstyle = "qmark"
@ -29,10 +32,6 @@ threadsafety = 1
apilevel = "2.0"
from _sqlite3 import *
import datetime, time
Date = datetime.date
Time = datetime.time
@ -40,31 +39,30 @@ Time = datetime.time
Timestamp = datetime.datetime
def DateFromTicks(ticks):
return apply(Date,time.localtime(ticks)[:3])
return apply(Date, time.localtime(ticks)[:3])
def TimeFromTicks(ticks):
return apply(Time,time.localtime(ticks)[3:6])
return apply(Time, time.localtime(ticks)[3:6])
def TimestampFromTicks(ticks):
return apply(Timestamp,time.localtime(ticks)[:6])
return apply(Timestamp, time.localtime(ticks)[:6])
_major, _minor, _micro = version.split(".")
version_info = (int(_major), int(_minor), _micro)
_major, _minor, _micro = sqlite_version.split(".")
sqlite_version_info = (int(_major), int(_minor), _micro)
version_info = tuple([int(x) for x in version.split(".")])
sqlite_version_info = tuple([int(x) for x in sqlite_version.split(".")])
Binary = buffer
def adapt_date(val):
def register_adapters_and_converters():
def adapt_date(val):
return val.isoformat()
def adapt_datetime(val):
def adapt_datetime(val):
return val.isoformat(" ")
def convert_date(val):
def convert_date(val):
return datetime.date(*map(int, val.split("-")))
def convert_timestamp(val):
def convert_timestamp(val):
datepart, timepart = val.split(" ")
year, month, day = map(int, datepart.split("-"))
timepart_full = timepart.split(".")
@ -78,7 +76,13 @@ def convert_timestamp(val):
return val
register_adapter(datetime.date, adapt_date)
register_adapter(datetime.datetime, adapt_datetime)
register_converter("date", convert_date)
register_converter("timestamp", convert_timestamp)
register_adapter(datetime.date, adapt_date)
register_adapter(datetime.datetime, adapt_datetime)
register_converter("date", convert_date)
register_converter("timestamp", convert_timestamp)
register_adapters_and_converters()
# Clean up namespace
del(register_adapters_and_converters)

4
Lib/sqlite3/test/hooks.py
View File

@ -22,7 +22,7 @@
# 3. This notice may not be removed or altered from any source distribution.
import os, unittest
import pysqlite2.dbapi2 as sqlite
import sqlite3 as sqlite
class CollationTests(unittest.TestCase):
def setUp(self):
@ -72,7 +72,7 @@ class CollationTests(unittest.TestCase):
result = con.execute(sql).fetchall()
self.fail("should have raised an OperationalError")
except sqlite.OperationalError, e:
self.failUnlessEqual(e.args[0], "no such collation sequence: mycoll")
self.failUnlessEqual(e.args[0].lower(), "no such collation sequence: mycoll")
def CheckCollationRegisterTwice(self):
"""

27
Lib/sqlite3/test/regression.py
View File

@ -22,7 +22,7 @@
# 3. This notice may not be removed or altered from any source distribution.
import unittest
import pysqlite2.dbapi2 as sqlite
import sqlite3 as sqlite
class RegressionTests(unittest.TestCase):
def setUp(self):
@ -36,6 +36,31 @@ class RegressionTests(unittest.TestCase):
cur = self.con.cursor()
cur.execute("pragma user_version")
def CheckPragmaSchemaVersion(self):
# This still crashed pysqlite <= 2.2.1
con = sqlite.connect(":memory:", detect_types=sqlite.PARSE_COLNAMES)
try:
cur = self.con.cursor()
cur.execute("pragma schema_version")
finally:
cur.close()
con.close()
def CheckStatementReset(self):
# pysqlite 2.1.0 to 2.2.0 have the problem that not all statements are
# reset before a rollback, but only those that are still in the
# statement cache. The others are not accessible from the connection object.
con = sqlite.connect(":memory:", cached_statements=5)
cursors = [con.cursor() for x in xrange(5)]
cursors[0].execute("create table test(x)")
for i in range(10):
cursors[0].executemany("insert into test(x) values (?)", [(x,) for x in xrange(10)])
for i in range(5):
cursors[i].execute(" " * i + "select x from test")
con.rollback()
def suite():
regression_suite = unittest.makeSuite(RegressionTests, "Check")
return unittest.TestSuite((regression_suite,))

14
Lib/sqlite3/test/userfunctions.py
View File

@ -134,6 +134,13 @@ class FunctionTests(unittest.TestCase):
def tearDown(self):
self.con.close()
def CheckFuncErrorOnCreate(self):
try:
self.con.create_function("bla", -100, lambda x: 2*x)
self.fail("should have raised an OperationalError")
except sqlite.OperationalError:
pass
def CheckFuncRefCount(self):
def getfunc():
def f():
@ -251,6 +258,13 @@ class AggregateTests(unittest.TestCase):
#self.con.close()
pass
def CheckAggrErrorOnCreate(self):
try:
self.con.create_function("bla", -100, AggrSum)
self.fail("should have raised an OperationalError")
except sqlite.OperationalError:
pass
def CheckAggrNoStep(self):
cur = self.con.cursor()
cur.execute("select nostep(t) from test")

5
Lib/test/test_sqlite.py
View File

@ -6,11 +6,12 @@ try:
except ImportError:
raise TestSkipped('no sqlite available')
from sqlite3.test import (dbapi, types, userfunctions,
factory, transactions)
factory, transactions, hooks, regression)
def test_main():
run_unittest(dbapi.suite(), types.suite(), userfunctions.suite(),
factory.suite(), transactions.suite())
factory.suite(), transactions.suite(), hooks.suite(),
regression.suite())
if __name__ == "__main__":
test_main()

40
Modules/_sqlite/adapters.c
View File

@ -1,40 +0,0 @@
/* adapters.c - default adapters
*
* 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 "util.h"
#include "module.h"
#include "adapters.h"
/* dummy, will be implemented in a later version */
PyObject* adapt_date(PyObject* self, PyObject* args, PyObject* kwargs)
{
Py_INCREF(Py_None);
return Py_None;
}
PyObject* adapt_datetime(PyObject* self, PyObject* args, PyObject* kwargs)
{
Py_INCREF(Py_None);
return Py_None;
}

33
Modules/_sqlite/adapters.h
View File

@ -1,33 +0,0 @@
/* adapters.h - default adapters
*
* 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.
*/
#ifndef PYSQLITE_ADAPTERS_H
#define PYSQLITE_ADAPTERS_H
#include "Python.h"
#include "pythread.h"
#include "sqlite3.h"
PyObject* adapt_date(PyObject* self, PyObject* args, PyObject* kwargs);
PyObject* adapt_datetime(PyObject* self, PyObject* args, PyObject* kwargs);
#endif

19
Modules/_sqlite/cache.c
View File

@ -22,6 +22,7 @@
*/
#include "cache.h"
#include <limits.h>
/* only used internally */
Node* new_node(PyObject* key, PyObject* data)
@ -60,11 +61,11 @@ int cache_init(Cache* self, PyObject* args, PyObject* kwargs)
self->factory = NULL;
if (!PyArg_ParseTuple(args, "O|i", &factory, &size))
{
if (!PyArg_ParseTuple(args, "O|i", &factory, &size)) {
return -1;
}
/* minimum cache size is 5 entries */
if (size < 5) {
size = 5;
}
@ -95,6 +96,7 @@ void cache_dealloc(Cache* self)
return;
}
/* iterate over all nodes and deallocate them */
node = self->first;
while (node) {
delete_node = node;
@ -119,7 +121,14 @@ PyObject* cache_get(Cache* self, PyObject* args)
node = (Node*)PyDict_GetItem(self->mapping, key);
if (node) {
/* an entry for this key already exists in the cache */
/* increase usage counter of the node found */
if (node->count < LONG_MAX) {
node->count++;
}
/* if necessary, reorder entries in the cache by swapping positions */
if (node->prev && node->count > node->prev->count) {
ptr = node->prev;
@ -149,6 +158,10 @@ PyObject* cache_get(Cache* self, PyObject* args)
ptr->prev = node;
}
} else {
/* There is no entry for this key in the cache, yet. We'll insert a new
* entry in the cache, and make space if necessary by throwing the
* least used item out of the cache. */
if (PyDict_Size(self->mapping) == self->size) {
if (self->last) {
node = self->last;
@ -253,7 +266,7 @@ PyObject* cache_display(Cache* self, PyObject* args)
static PyMethodDef cache_methods[] = {
{"get", (PyCFunction)cache_get, METH_O,
PyDoc_STR("Gets an entry from the cache.")},
PyDoc_STR("Gets an entry from the cache or calls the factory function to produce one.")},
{"display", (PyCFunction)cache_display, METH_NOARGS,
PyDoc_STR("For debugging only.")},
{NULL, NULL}

14
Modules/_sqlite/cache.h
View File

@ -1,6 +1,6 @@
/* cache.h - definitions for the LRU cache
*
* Copyright (C) 2004-2005 Gerhard Häring <gh@ghaering.de>
* Copyright (C) 2004-2006 Gerhard Häring <gh@ghaering.de>
*
* This file is part of pysqlite.
*
@ -25,6 +25,10 @@
#define PYSQLITE_CACHE_H
#include "Python.h"
/* The LRU cache is implemented as a combination of a doubly-linked with a
* dictionary. The list items are of type 'Node' and the dictionary has the
* nodes as values. */
typedef struct _Node
{
PyObject_HEAD
@ -39,10 +43,18 @@ typedef struct
{
PyObject_HEAD
int size;
/* a dictionary mapping keys to Node entries */
PyObject* mapping;
/* the factory callable */
PyObject* factory;
Node* first;
Node* last;
/* if set, decrement the factory function when the Cache is deallocated.
* this is almost always desirable, but not in the pysqlite context */
int decref_factory;
} Cache;

181
Modules/_sqlite/connection.c
View File

@ -56,6 +56,7 @@ int connection_init(Connection* self, PyObject* args, PyObject* kwargs)
self->begin_statement = NULL;
self->statement_cache = NULL;
self->statements = NULL;
Py_INCREF(Py_None);
self->row_factory = Py_None;
@ -74,6 +75,9 @@ int connection_init(Connection* self, PyObject* args, PyObject* kwargs)
if (!isolation_level) {
isolation_level = PyString_FromString("");
if (!isolation_level) {
return -1;
}
} else {
Py_INCREF(isolation_level);
}
@ -86,6 +90,12 @@ int connection_init(Connection* self, PyObject* args, PyObject* kwargs)
return -1;
}
self->statements = PyList_New(0);
if (!self->statements) {
return -1;
}
self->created_statements = 0;
/* By default, the Cache class INCREFs the factory in its initializer, and
* decrefs it in its deallocator method. Since this would create a circular
* reference here, we're breaking it by decrementing self, and telling the
@ -126,6 +136,7 @@ int connection_init(Connection* self, PyObject* args, PyObject* kwargs)
return 0;
}
/* Empty the entire statement cache of this connection */
void flush_statement_cache(Connection* self)
{
Node* node;
@ -147,15 +158,16 @@ void flush_statement_cache(Connection* self)
void reset_all_statements(Connection* self)
{
Node* node;
Statement* statement;
int i;
PyObject* weakref;
PyObject* statement;
node = self->statement_cache->first;
while (node) {
statement = (Statement*)(node->data);
(void)statement_reset(statement);
node = node->next;
for (i = 0; i < PyList_Size(self->statements); i++) {
weakref = PyList_GetItem(self->statements, i);
statement = PyWeakref_GetObject(weakref);
if (statement != Py_None) {
(void)statement_reset((Statement*)statement);
}
}
}
@ -178,6 +190,7 @@ void connection_dealloc(Connection* self)
Py_XDECREF(self->row_factory);
Py_XDECREF(self->text_factory);
Py_XDECREF(self->collations);
Py_XDECREF(self->statements);
self->ob_type->tp_free((PyObject*)self);
}
@ -391,7 +404,7 @@ void _set_result(sqlite3_context* context, PyObject* py_val)
Py_ssize_t buflen;
PyObject* stringval;
if (PyErr_Occurred()) {
if ((!py_val) || PyErr_Occurred()) {
/* Errors in callbacks are ignored, and we return NULL */
PyErr_Clear();
sqlite3_result_null(context);
@ -399,21 +412,23 @@ void _set_result(sqlite3_context* context, PyObject* py_val)
sqlite3_result_null(context);
} else if (PyInt_Check(py_val)) {
longval = PyInt_AsLong(py_val);
/* TODO: investigate what to do with range overflows - long vs. long long */
sqlite3_result_int64(context, (PY_LONG_LONG)longval);
} else if (PyFloat_Check(py_val)) {
sqlite3_result_double(context, PyFloat_AsDouble(py_val));
} else if (PyBuffer_Check(py_val)) {
if (PyObject_AsCharBuffer(py_val, &buffer, &buflen) != 0) {
PyErr_SetString(PyExc_ValueError, "could not convert BLOB to buffer");
}
} else {
sqlite3_result_blob(context, buffer, buflen, SQLITE_TRANSIENT);
}
} else if (PyString_Check(py_val)) {
sqlite3_result_text(context, PyString_AsString(py_val), -1, SQLITE_TRANSIENT);
} else if (PyUnicode_Check(py_val)) {
stringval = PyUnicode_AsUTF8String(py_val);
if (stringval) {
sqlite3_result_text(context, PyString_AsString(stringval), -1, SQLITE_TRANSIENT);
Py_DECREF(stringval);
}
} else {
/* TODO: raise error */
}
@ -450,6 +465,7 @@ PyObject* _build_py_params(sqlite3_context *context, int argc, sqlite3_value** a
cur_py_value = PyUnicode_DecodeUTF8(val_str, strlen(val_str), NULL);
/* TODO: have a way to show errors here */
if (!cur_py_value) {
PyErr_Clear();
Py_INCREF(Py_None);
cur_py_value = Py_None;
}
@ -458,10 +474,12 @@ PyObject* _build_py_params(sqlite3_context *context, int argc, sqlite3_value** a
buflen = sqlite3_value_bytes(cur_value);
cur_py_value = PyBuffer_New(buflen);
if (!cur_py_value) {
/* TODO: error */
break;
}
if (PyObject_AsWriteBuffer(cur_py_value, &raw_buffer, &buflen)) {
/* TODO: error */
Py_DECREF(cur_py_value);
cur_py_value = NULL;
break;
}
memcpy(raw_buffer, sqlite3_value_blob(cur_value), buflen);
break;
@ -470,6 +488,12 @@ PyObject* _build_py_params(sqlite3_context *context, int argc, sqlite3_value** a
Py_INCREF(Py_None);
cur_py_value = Py_None;
}
if (!cur_py_value) {
Py_DECREF(args);
return NULL;
}
PyTuple_SetItem(args, i, cur_py_value);
}
@ -481,8 +505,7 @@ void _func_callback(sqlite3_context* context, int argc, sqlite3_value** argv)
{
PyObject* args;
PyObject* py_func;
PyObject* py_retval;
PyObject* py_retval = NULL;
PyGILState_STATE threadstate;
@ -491,9 +514,10 @@ void _func_callback(sqlite3_context* context, int argc, sqlite3_value** argv)
py_func = (PyObject*)sqlite3_user_data(context);
args = _build_py_params(context, argc, argv);
if (args) {
py_retval = PyObject_CallObject(py_func, args);
Py_DECREF(args);
}
_set_result(context, py_retval);
Py_XDECREF(py_retval);
@ -504,10 +528,10 @@ void _func_callback(sqlite3_context* context, int argc, sqlite3_value** argv)
static void _step_callback(sqlite3_context *context, int argc, sqlite3_value** params)
{
PyObject* args;
PyObject* function_result;
PyObject* function_result = NULL;
PyObject* aggregate_class;
PyObject** aggregate_instance;
PyObject* stepmethod;
PyObject* stepmethod = NULL;
PyGILState_STATE threadstate;
@ -520,44 +544,42 @@ static void _step_callback(sqlite3_context *context, int argc, sqlite3_value** p
if (*aggregate_instance == 0) {
*aggregate_instance = PyObject_CallFunction(aggregate_class, "");
if (PyErr_Occurred())
{
if (PyErr_Occurred()) {
PyErr_Clear();
*aggregate_instance = 0;
PyGILState_Release(threadstate);
return;
goto error;
}
}
stepmethod = PyObject_GetAttrString(*aggregate_instance, "step");
if (!stepmethod)
{
PyGILState_Release(threadstate);
return;
if (!stepmethod) {
goto error;
}
args = _build_py_params(context, argc, params);
if (!args) {
goto error;
}
function_result = PyObject_CallObject(stepmethod, args);
Py_DECREF(args);
Py_DECREF(stepmethod);
if (function_result == NULL) {
if (!function_result) {
PyErr_Clear();
} else {
Py_DECREF(function_result);
}
error:
Py_XDECREF(stepmethod);
Py_XDECREF(function_result);
PyGILState_Release(threadstate);
}
void _final_callback(sqlite3_context* context)
{
PyObject* args;
PyObject* function_result;
PyObject* function_result = NULL;
PyObject** aggregate_instance;
PyObject* aggregate_class;
PyObject* finalizemethod;
PyGILState_STATE threadstate;
@ -570,35 +592,56 @@ void _final_callback(sqlite3_context* context)
/* this branch is executed if there was an exception in the aggregate's
* __init__ */
PyGILState_Release(threadstate);
return;
goto error;
}
finalizemethod = PyObject_GetAttrString(*aggregate_instance, "finalize");
if (!finalizemethod) {
/*
PyErr_SetString(ProgrammingError, "finalize method missing");
goto error;
*/
function_result = PyObject_CallMethod(*aggregate_instance, "finalize", "");
if (!function_result) {
PyErr_Clear();
Py_INCREF(Py_None);
function_result = Py_None;
} else {
args = PyTuple_New(0);
if (!args)
return;
function_result = PyObject_CallObject(finalizemethod, args);
Py_DECREF(args);
Py_DECREF(finalizemethod);
}
_set_result(context, function_result);
error:
Py_XDECREF(*aggregate_instance);
Py_XDECREF(function_result);
PyGILState_Release(threadstate);
}
void _drop_unused_statement_references(Connection* self)
{
PyObject* new_list;
PyObject* weakref;
int i;
/* we only need to do this once in a while */
if (self->created_statements++ < 200) {
return;
}
self->created_statements = 0;
new_list = PyList_New(0);
if (!new_list) {
return;
}
for (i = 0; i < PyList_Size(self->statements); i++) {
weakref = PyList_GetItem(self->statements, i);
if (weakref != Py_None) {
if (PyList_Append(new_list, weakref) != 0) {
Py_DECREF(new_list);
return;
}
}
}
Py_DECREF(self->statements);
self->statements = new_list;
}
PyObject* connection_create_function(Connection* self, PyObject* args, PyObject* kwargs)
{
@ -617,10 +660,16 @@ PyObject* connection_create_function(Connection* self, PyObject* args, PyObject*
rc = sqlite3_create_function(self->db, name, narg, SQLITE_UTF8, (void*)func, _func_callback, NULL, NULL);
if (rc != SQLITE_OK) {
/* Workaround for SQLite bug: no error code or string is available here */
PyErr_SetString(OperationalError, "Error creating function");
return NULL;
} else {
PyDict_SetItem(self->function_pinboard, func, Py_None);
Py_INCREF(Py_None);
return Py_None;
}
}
PyObject* connection_create_aggregate(Connection* self, PyObject* args, PyObject* kwargs)
@ -639,7 +688,8 @@ PyObject* connection_create_aggregate(Connection* self, PyObject* args, PyObject
rc = sqlite3_create_function(self->db, name, n_arg, SQLITE_UTF8, (void*)aggregate_class, 0, &_step_callback, &_final_callback);
if (rc != SQLITE_OK) {
_seterror(self->db);
/* Workaround for SQLite bug: no error code or string is available here */
PyErr_SetString(OperationalError, "Error creating aggregate");
return NULL;
} else {
PyDict_SetItem(self->function_pinboard, aggregate_class, Py_None);
@ -682,7 +732,6 @@ static PyObject* connection_get_total_changes(Connection* self, void* unused)
static int connection_set_isolation_level(Connection* self, PyObject* isolation_level)
{
PyObject* empty;
PyObject* res;
PyObject* begin_statement;
@ -697,15 +746,10 @@ static int connection_set_isolation_level(Connection* self, PyObject* isolation_
Py_INCREF(Py_None);
self->isolation_level = Py_None;
empty = PyTuple_New(0);
if (!empty) {
return -1;
}
res = connection_commit(self, empty);
res = connection_commit(self, NULL);
if (!res) {
return -1;
}
Py_DECREF(empty);
Py_DECREF(res);
self->inTransaction = 0;
@ -738,12 +782,15 @@ PyObject* connection_call(Connection* self, PyObject* args, PyObject* kwargs)
{
PyObject* sql;
Statement* statement;
PyObject* weakref;
int rc;
if (!PyArg_ParseTuple(args, "O", &sql)) {
return NULL;
}
_drop_unused_statement_references(self);
statement = PyObject_New(Statement, &StatementType);
if (!statement) {
return NULL;
@ -762,8 +809,24 @@ PyObject* connection_call(Connection* self, PyObject* args, PyObject* kwargs)
Py_DECREF(statement);
statement = 0;
} else {
weakref = PyWeakref_NewRef((PyObject*)statement, NULL);
if (!weakref) {
Py_DECREF(statement);
statement = 0;
goto error;
}
if (PyList_Append(self->statements, weakref) != 0) {
Py_DECREF(weakref);
statement = 0;
goto error;
}
Py_DECREF(weakref);
}
error:
return (PyObject*)statement;
}
@ -983,7 +1046,7 @@ finally:
}
static char connection_doc[] =
PyDoc_STR("<missing docstring>");
PyDoc_STR("SQLite database connection object.");
static PyGetSetDef connection_getset[] = {
{"isolation_level", (getter)connection_get_isolation_level, (setter)connection_set_isolation_level},
@ -1011,7 +1074,7 @@ static PyMethodDef connection_methods[] = {
{"executescript", (PyCFunction)connection_executescript, METH_VARARGS,
PyDoc_STR("Executes a multiple SQL statements at once. Non-standard.")},
{"create_collation", (PyCFunction)connection_create_collation, METH_VARARGS,
PyDoc_STR("Creates a collation function.")},
PyDoc_STR("Creates a collation function. Non-standard.")},
{NULL, NULL}
};

25
Modules/_sqlite/connection.h
View File

@ -1,6 +1,6 @@
/* connection.h - definitions for the connection type
*
* Copyright (C) 2004-2005 Gerhard Häring <gh@ghaering.de>
* Copyright (C) 2004-2006 Gerhard Häring <gh@ghaering.de>
*
* This file is part of pysqlite.
*
@ -37,7 +37,12 @@ typedef struct
PyObject_HEAD
sqlite3* db;
/* 1 if we are currently within a transaction, i. e. if a BEGIN has been
* issued */
int inTransaction;
/* the type detection mode. Only 0, PARSE_DECLTYPES, PARSE_COLNAMES or a
* bitwise combination thereof makes sense */
int detect_types;
/* the timeout value in seconds for database locks */
@ -54,13 +59,31 @@ typedef struct
* freed in connection destructor */
char* begin_statement;
/* 1 if a check should be performed for each API call if the connection is
* used from the same thread it was created in */
int check_same_thread;
/* thread identification of the thread the connection was created in */
long thread_ident;
Cache* statement_cache;
/* A list of weak references to statements used within this connection */
PyObject* statements;
/* a counter for how many statements were created in the connection. May be
* reset to 0 at certain intervals */
int created_statements;
PyObject* row_factory;
/* Determines how bytestrings from SQLite are converted to Python objects:
* - PyUnicode_Type: Python Unicode objects are constructed from UTF-8 bytestrings
* - OptimizedUnicode: Like before, but for ASCII data, only PyStrings are created.
* - PyString_Type: PyStrings are created as-is.
* - Any custom callable: Any object returned from the callable called with the bytestring
* as single parameter.
*/
PyObject* text_factory;
/* remember references to functions/classes used in

40
Modules/_sqlite/converters.c
View File

@ -1,40 +0,0 @@
/* converters.c - default converters
*
* 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 "util.h"
#include "module.h"
#include "adapters.h"
/* dummy, will be implemented in a later version */
PyObject* convert_date(PyObject* self, PyObject* args, PyObject* kwargs)
{
Py_INCREF(Py_None);
return Py_None;
}
PyObject* convert_timestamp(PyObject* self, PyObject* args, PyObject* kwargs)
{
Py_INCREF(Py_None);
return Py_None;
}

33
Modules/_sqlite/converters.h
View File

@ -1,33 +0,0 @@
/* converters.h - default converters
*
* 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.
*/
#ifndef PYSQLITE_CONVERTERS_H
#define PYSQLITE_CONVERTERS_H
#include "Python.h"
#include "pythread.h"
#include "sqlite3.h"
PyObject* convert_date(PyObject* self, PyObject* args, PyObject* kwargs);
PyObject* convert_timestamp(PyObject* self, PyObject* args, PyObject* kwargs);
#endif

34
Modules/_sqlite/cursor.c
View File

@ -157,7 +157,7 @@ int build_row_cast_map(Cursor* self)
if (self->connection->detect_types | PARSE_COLNAMES) {
colname = sqlite3_column_name(self->statement->st, i);
if (colname) {
for (pos = colname; *pos != 0; pos++) {
if (*pos == '[') {
type_start = pos + 1;
@ -174,7 +174,7 @@ int build_row_cast_map(Cursor* self)
Py_DECREF(key);
break;
}
}
}
}
@ -276,6 +276,7 @@ PyObject* _fetch_one_row(Cursor* self)
void* raw_buffer;
const char* val_str;
char buf[200];
const char* colname;
Py_BEGIN_ALLOW_THREADS
numcols = sqlite3_data_count(self->statement->st);
@ -340,8 +341,12 @@ PyObject* _fetch_one_row(Cursor* self)
self->connection->text_factory == OptimizedUnicode ? 1 : 0);
if (!converted) {
colname = sqlite3_column_name(self->statement->st, i);
if (colname) {
colname = "<unknown column name>";
}
PyOS_snprintf(buf, sizeof(buf) - 1, "Could not decode to UTF-8 column %s with text %s",
sqlite3_column_name(self->statement->st, i), val_str);
colname , val_str);
PyErr_SetString(OperationalError, buf);
}
} else if (self->connection->text_factory == (PyObject*)&PyString_Type) {
@ -419,8 +424,7 @@ PyObject* _query_execute(Cursor* self, int multiple, PyObject* args)
} else {
/* sequence */
parameters_iter = PyObject_GetIter(second_argument);
if (!parameters_iter)
{
if (!parameters_iter) {
return NULL;
}
}
@ -506,12 +510,7 @@ PyObject* _query_execute(Cursor* self, int multiple, PyObject* args)
/* it's a DDL statement or something similar
- we better COMMIT first so it works for all cases */
if (self->connection->inTransaction) {
func_args = PyTuple_New(0);
if (!func_args) {
goto error;
}
result = connection_commit(self->connection, func_args);
Py_DECREF(func_args);
result = connection_commit(self->connection, NULL);
if (!result) {
goto error;
}
@ -701,7 +700,6 @@ PyObject* cursor_executescript(Cursor* self, PyObject* args)
const char* script_cstr;
sqlite3_stmt* statement;
int rc;
PyObject* func_args;
PyObject* result;
int statement_completed = 0;
@ -728,12 +726,7 @@ PyObject* cursor_executescript(Cursor* self, PyObject* args)
}
/* commit first */
func_args = PyTuple_New(0);
if (!func_args) {
goto error;
}
result = connection_commit(self->connection, func_args);
Py_DECREF(func_args);
result = connection_commit(self->connection, NULL);
if (!result) {
goto error;
}
@ -977,6 +970,9 @@ static struct PyMemberDef cursor_members[] =
{NULL}
};
static char cursor_doc[] =
PyDoc_STR("SQLite database cursor class.");
PyTypeObject CursorType = {
PyObject_HEAD_INIT(NULL)
0, /* ob_size */
@ -999,7 +995,7 @@ PyTypeObject CursorType = {
0, /* tp_setattro */
0, /* tp_as_buffer */
Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_ITER|Py_TPFLAGS_BASETYPE, /* tp_flags */
0, /* tp_doc */
cursor_doc, /* tp_doc */
0, /* tp_traverse */
0, /* tp_clear */
0, /* tp_richcompare */

2
Modules/_sqlite/cursor.h
View File

@ -1,6 +1,6 @@
/* cursor.h - definitions for the cursor type
*
* Copyright (C) 2004-2005 Gerhard Häring <gh@ghaering.de>
* Copyright (C) 2004-2006 Gerhard Häring <gh@ghaering.de>
*
* This file is part of pysqlite.
*

2
Modules/_sqlite/microprotocols.h
View File

@ -54,6 +54,6 @@ extern PyObject *microprotocols_adapt(
extern PyObject *
psyco_microprotocols_adapt(Cursor* self, PyObject *args);
#define psyco_microprotocols_adapt_doc \
"adapt(obj, protocol, alternate) -> adapt obj to given protocol"
"adapt(obj, protocol, alternate) -> adapt obj to given protocol. Non-standard."
#endif /* !defined(PSYCOPG_MICROPROTOCOLS_H) */

8
Modules/_sqlite/module.c
View File

@ -167,12 +167,12 @@ void converters_init(PyObject* dict)
static PyMethodDef module_methods[] = {
{"connect", (PyCFunction)module_connect, METH_VARARGS|METH_KEYWORDS, PyDoc_STR("Creates a connection.")},
{"complete_statement", (PyCFunction)module_complete, METH_VARARGS|METH_KEYWORDS, PyDoc_STR("Checks if a string contains a complete SQL statement.")},
{"complete_statement", (PyCFunction)module_complete, METH_VARARGS|METH_KEYWORDS, PyDoc_STR("Checks if a string contains a complete SQL statement. Non-standard.")},
#ifdef HAVE_SHARED_CACHE
{"enable_shared_cache", (PyCFunction)module_enable_shared_cache, METH_VARARGS|METH_KEYWORDS, PyDoc_STR("Enable or disable shared cache mode for the calling thread.")},
{"enable_shared_cache", (PyCFunction)module_enable_shared_cache, METH_VARARGS|METH_KEYWORDS, PyDoc_STR("Enable or disable shared cache mode for the calling thread. Experimental/Non-standard.")},
#endif
{"register_adapter", (PyCFunction)module_register_adapter, METH_VARARGS, PyDoc_STR("Registers an adapter with sqlite's adapter registry.")},
{"register_converter", (PyCFunction)module_register_converter, METH_VARARGS, PyDoc_STR("Registers a converter with sqlite.")},
{"register_adapter", (PyCFunction)module_register_adapter, METH_VARARGS, PyDoc_STR("Registers an adapter with pysqlite's adapter registry. Non-standard.")},
{"register_converter", (PyCFunction)module_register_converter, METH_VARARGS, PyDoc_STR("Registers a converter with pysqlite. Non-standard.")},
{"adapt", (PyCFunction)psyco_microprotocols_adapt, METH_VARARGS, psyco_microprotocols_adapt_doc},
{NULL, NULL}
};

4
Modules/_sqlite/module.h
View File

@ -1,6 +1,6 @@
/* module.h - definitions for the module
*
* Copyright (C) 2004-2005 Gerhard Häring <gh@ghaering.de>
* Copyright (C) 2004-2006 Gerhard Häring <gh@ghaering.de>
*
* This file is part of pysqlite.
*
@ -25,7 +25,7 @@
#define PYSQLITE_MODULE_H
#include "Python.h"
#define PYSQLITE_VERSION "2.2.0"
#define PYSQLITE_VERSION "2.2.2"
extern PyObject* Error;
extern PyObject* Warning;

9
Modules/_sqlite/statement.c
View File

@ -64,6 +64,7 @@ int statement_create(Statement* self, Connection* connection, PyObject* sql)
return rc;
}
self->in_weakreflist = NULL;
self->sql = sql_str;
sql_cstr = PyString_AsString(sql_str);
@ -304,6 +305,10 @@ void statement_dealloc(Statement* self)
Py_XDECREF(self->sql);
if (self->in_weakreflist != NULL) {
PyObject_ClearWeakRefs((PyObject*)self);
}
self->ob_type->tp_free((PyObject*)self);
}
@ -398,12 +403,12 @@ PyTypeObject StatementType = {
0, /* tp_getattro */
0, /* tp_setattro */
0, /* tp_as_buffer */
Py_TPFLAGS_DEFAULT, /* tp_flags */
Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_WEAKREFS, /* tp_flags */
0, /* tp_doc */
0, /* tp_traverse */
0, /* tp_clear */
0, /* tp_richcompare */
0, /* tp_weaklistoffset */
offsetof(Statement, in_weakreflist), /* tp_weaklistoffset */
0, /* tp_iter */
0, /* tp_iternext */
0, /* tp_methods */

1
Modules/_sqlite/statement.h
View File

@ -38,6 +38,7 @@ typedef struct
sqlite3_stmt* st;
PyObject* sql;
int in_use;
PyObject* in_weakreflist; /* List of weak references */
} Statement;
extern PyTypeObject StatementType;

6
PCbuild/_sqlite3.vcproj
View File

@ -250,18 +250,12 @@
<References>
</References>
<Files>
<File
RelativePath="..\Modules\_sqlite\adapters.c">
</File>
<File
RelativePath="..\Modules\_sqlite\cache.c">
</File>
<File
RelativePath="..\Modules\_sqlite\connection.c">
</File>
<File
RelativePath="..\Modules\_sqlite\converters.c">
</File>
<File
RelativePath="..\Modules\_sqlite\cursor.c">
</File>

10
setup.py
View File

@ -743,10 +743,8 @@ class PyBuildExt(build_ext):
sqlite_libdir = [os.path.abspath(os.path.dirname(sqlite_libfile))]
if sqlite_incdir and sqlite_libdir:
sqlite_srcs = ['_sqlite/adapters.c',
'_sqlite/cache.c',
sqlite_srcs = ['_sqlite/cache.c',
'_sqlite/connection.c',
'_sqlite/converters.c',
'_sqlite/cursor.c',
'_sqlite/microprotocols.c',
'_sqlite/module.c',
@ -755,18 +753,12 @@ class PyBuildExt(build_ext):
'_sqlite/statement.c',
'_sqlite/util.c', ]
PYSQLITE_VERSION = "2.2.0"
sqlite_defines = []
if sys.platform != "win32":
sqlite_defines.append(('MODULE_NAME', '"sqlite3"'))
else:
sqlite_defines.append(('MODULE_NAME', '\\"sqlite3\\"'))
sqlite_defines.append(('PY_MAJOR_VERSION',
str(sys.version_info[0])))
sqlite_defines.append(('PY_MINOR_VERSION',
str(sys.version_info[1])))
exts.append(Extension('_sqlite3', sqlite_srcs,
define_macros=sqlite_defines,
include_dirs=["Modules/_sqlite",