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bpo-42862: Use functools.lru_cache iso. _sqlite.Cache in sqlite3 module (GH-24203)

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Co-authored-by: Pablo Galindo <Pablogsal@gmail.com>
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Erlend Egeberg Aasland 2021-06-03 21:59:26 +02:00 • committed by GitHub
parent f3fa63ec75
commit f461a7fc3f
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GPG key ID: 4AEE18F83AFDEB23
12 changed files with 77 additions and 438 deletions
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31
Modules/_sqlite/module.c
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@ -24,7 +24,6 @@
#include "connection.h"
#include "statement.h"
#include "cursor.h"
#include "cache.h"
#include "prepare_protocol.h"
#include "microprotocols.h"
#include "row.h"
@ -56,6 +55,14 @@ PyObject* _pysqlite_converters = NULL;
int _pysqlite_enable_callback_tracebacks = 0;
int pysqlite_BaseTypeAdapted = 0;
pysqlite_state pysqlite_global_state;
pysqlite_state *
pysqlite_get_state(PyObject *Py_UNUSED(module))
{
return &pysqlite_global_state;
}
static PyObject* module_connect(PyObject* self, PyObject* args, PyObject*
kwargs)
{
@ -261,6 +268,23 @@ static int converters_init(PyObject* module)
return res;
}
static int
load_functools_lru_cache(PyObject *module)
{
PyObject *functools = PyImport_ImportModule("functools");
if (functools == NULL) {
return -1;
}
pysqlite_state *state = pysqlite_get_state(module);
state->lru_cache = PyObject_GetAttrString(functools, "lru_cache");
Py_DECREF(functools);
if (state->lru_cache == NULL) {
return -1;
}
return 0;
}
static PyMethodDef module_methods[] = {
{"connect", (PyCFunction)(void(*)(void))module_connect,
METH_VARARGS | METH_KEYWORDS, module_connect_doc},
@ -373,7 +397,6 @@ PyMODINIT_FUNC PyInit__sqlite3(void)
(pysqlite_row_setup_types(module) < 0) ||
(pysqlite_cursor_setup_types(module) < 0) ||
(pysqlite_connection_setup_types(module) < 0) ||
(pysqlite_cache_setup_types(module) < 0) ||
(pysqlite_statement_setup_types(module) < 0) ||
(pysqlite_prepare_protocol_setup_types(module) < 0)
) {
@ -424,6 +447,10 @@ PyMODINIT_FUNC PyInit__sqlite3(void)
goto error;
}
if (load_functools_lru_cache(module) < 0) {
goto error;
}
return module;
error: