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/******************************************************************************
Copyright (C) 2018-2020 Georg Richter and MariaDB Corporation AB
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not see <http://www.gnu.org/licenses>
or write to the Free Software Foundation, Inc.,
51 Franklin St., Fifth Floor, Boston, MA 02110, USA
******************************************************************************/
#define MARIADB_CONNECTION
#include "mariadb_python.h"
#include "docs/module.h"
#include "docs/exception.h"
#include <structmember.h>
#include <datetime.h>
#ifdef __clang__
# if defined(__has_feature) && __has_feature(address_sanitizer)
# define HAVE_ASAN Py_True
# else
# define HAVE_ASAN Py_False
# endif
#elif defined(__GNUC__)
# ifdef __SANITIZE_ADDRESS__
# define HAVE_ASAN Py_True
# else
# define HAVE_ASAN Py_False
# endif
#else
# define HAVE_ASAN Py_False
#endif
extern int codecs_datetime_init(void);
extern int connection_datetime_init(void);
PyObject *decimal_module= NULL,
*decimal_type= NULL,
*socket_module= NULL,
*indicator_module= NULL;
extern uint16_t max_pool_size;
int
Mariadb_traverse(PyObject *self,
visitproc visit,
void *arg)
{
return 0;
}
static PyMethodDef
Mariadb_Methods[] =
{
/* PEP-249: mandatory */
{"connect", (PyCFunction)MrdbConnection_connect,
METH_VARARGS | METH_KEYWORDS,
module_connect__doc__},
/* Todo: add methods for api functions which don't require
a connection */
{NULL} /* always last */
};
/* MariaDB module definition */
static struct PyModuleDef
mariadb_module= {
PyModuleDef_HEAD_INIT,
"_mariadb",
"MariaDB Connector for Python",
-1,
Mariadb_Methods
};
static int mariadb_datetime_init(void)
{
PyDateTime_IMPORT;
if (!PyDateTimeAPI) {
PyErr_SetString(PyExc_ImportError, "DateTimeAPI initialization failed");
return 1;
}
return 0;
}
static void mariadb_add_exception(PyObject *module,
PyObject **exception,
const char *exception_name,
PyObject *base_exception,
const char *doc,
const char *object_name)
{
*exception= PyErr_NewExceptionWithDoc(exception_name,
doc,
Mariadb_Error,
NULL);
Py_INCREF(*exception);
PyModule_AddObject(module, object_name, *exception);
}
/* MariaDB module initialization function */
PyMODINIT_FUNC PyInit__mariadb(void)
{
PyObject *module= PyModule_Create(&mariadb_module);
/* check if client library is compatible */
if (mysql_get_client_version() < MARIADB_PACKAGE_VERSION_ID)
{
char errmsg[255];
snprintf(errmsg, 254, "MariaDB Connector/Python was build with MariaDB Connector/C %s, "
"while the loaded MariaDB Connector/C library has version %s.",
MARIADB_PACKAGE_VERSION, mysql_get_client_info());
PyErr_SetString(PyExc_ImportError, errmsg);
goto error;
}
/* Initialize DateTimeAPI */
if (mariadb_datetime_init() ||
connection_datetime_init() ||
codecs_datetime_init())
{
goto error;
}
Py_SET_TYPE(&MrdbConnection_Type, &PyType_Type);
if (PyType_Ready(&MrdbConnection_Type) == -1)
{
goto error;
}
/* Import Decimal support (CONPY-49) */
if (!(decimal_module= PyImport_ImportModule("decimal")) ||
!(decimal_type= PyObject_GetAttr(decimal_module, PyUnicode_FromString("Decimal"))))
{
goto error;
}
if (!(socket_module= PyImport_ImportModule("socket")))
{
goto error;
}
Py_SET_TYPE(&MrdbCursor_Type, &PyType_Type);
if (PyType_Ready(&MrdbCursor_Type) == -1)
{
goto error;
}
PyModule_AddObject(module, "cursor", (PyObject *)&MrdbCursor_Type);
/* optional (MariaDB specific) globals */
PyModule_AddObject(module, "mariadbapi_version",
PyUnicode_FromString(mysql_get_client_info()));
Mariadb_Error= PyErr_NewException("mariadb.Error",
PyExc_Exception,
NULL);
Py_INCREF(Mariadb_Error);
PyModule_AddObject(module, "Error", Mariadb_Error);
mariadb_add_exception(module, &Mariadb_InterfaceError,
"mariadb.InterfaceError", Mariadb_Error,
exception_interface__doc__, "InterfaceError");
mariadb_add_exception(module, &Mariadb_DatabaseError,
"mariadb.DatabaseError", Mariadb_Error,
exception_database__doc__, "DatabaseError");
mariadb_add_exception(module, &Mariadb_OperationalError,
"mariadb.OperationalError", Mariadb_Error,
exception_operational__doc__, "OperationalError");
mariadb_add_exception(module, &Mariadb_Warning,
"mariadb.Warning", NULL, exception_warning__doc__, "Warning");
mariadb_add_exception(module, &Mariadb_IntegrityError,
"mariadb.IntegrityError", Mariadb_Error,
exception_integrity__doc__, "IntegrityError");
mariadb_add_exception(module, &Mariadb_InternalError,
"mariadb.InternalError", Mariadb_Error,
exception_internal__doc__, "InternalError");
mariadb_add_exception(module, &Mariadb_ProgrammingError,
"mariadb.ProgrammingError", Mariadb_Error,
exception_programming__doc__, "ProgrammingError");
mariadb_add_exception(module, &Mariadb_NotSupportedError,
"mariadb.NotSupportedError", Mariadb_Error,
exception_notsupported__doc__, "NotSupportedError");
mariadb_add_exception(module, &Mariadb_DataError,
"mariadb.DataError", Mariadb_DatabaseError,
exception_data__doc__, "DataError");
mariadb_add_exception(module, &Mariadb_PoolError,
"mariadb.PoolError", Mariadb_Error,
exception_pool__doc__, "PoolError");
Py_INCREF(&MrdbConnection_Type);
PyModule_AddObject(module, "connection", (PyObject *)&MrdbConnection_Type);
PyModule_AddObject(module, "_have_asan", HAVE_ASAN);
Py_INCREF(HAVE_ASAN);
return module;
error:
if (PyErr_Occurred())
{
return NULL;
}
PyErr_SetString(PyExc_ImportError, "Mariadb module initialization failed.");
return NULL;
}
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