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[3.9] bpo-43853: Handle sqlite3_value_text() errors (GH-25422). (GH-27627)

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(cherry picked from commit 006fd869e4)
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Erlend Egeberg Aasland 2021-08-06 19:57:39 +02:00 • committed by GitHub
parent 8c17db6cd4
commit 8c07fef867
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GPG key ID: 4AEE18F83AFDEB23
3 changed files with 26 additions and 16 deletions
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27
Modules/_sqlite/connection.c
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@ -546,7 +546,6 @@ PyObject* _pysqlite_build_py_params(sqlite3_context *context, int argc, sqlite3_
int i;
sqlite3_value* cur_value;
PyObject* cur_py_value;
const char* val_str;
Py_ssize_t buflen;
args = PyTuple_New(argc);
@ -563,16 +562,19 @@ PyObject* _pysqlite_build_py_params(sqlite3_context *context, int argc, sqlite3_
case SQLITE_FLOAT:
cur_py_value = PyFloat_FromDouble(sqlite3_value_double(cur_value));
break;
case SQLITE_TEXT:
val_str = (const char*)sqlite3_value_text(cur_value);
cur_py_value = PyUnicode_FromString(val_str);
/* TODO: have a way to show errors here */
if (!cur_py_value) {
PyErr_Clear();
Py_INCREF(Py_None);
cur_py_value = Py_None;
case SQLITE_TEXT: {
sqlite3 *db = sqlite3_context_db_handle(context);
const char *text = (const char *)sqlite3_value_text(cur_value);
if (text == NULL && sqlite3_errcode(db) == SQLITE_NOMEM) {
PyErr_NoMemory();
goto error;
}
Py_ssize_t size = sqlite3_value_bytes(cur_value);
cur_py_value = PyUnicode_FromStringAndSize(text, size);
break;
}
case SQLITE_BLOB:
buflen = sqlite3_value_bytes(cur_value);
cur_py_value = PyBytes_FromStringAndSize(
@ -585,8 +587,7 @@ PyObject* _pysqlite_build_py_params(sqlite3_context *context, int argc, sqlite3_
}
if (!cur_py_value) {
Py_DECREF(args);
return NULL;
goto error;
}
PyTuple_SetItem(args, i, cur_py_value);
@ -594,6 +595,10 @@ PyObject* _pysqlite_build_py_params(sqlite3_context *context, int argc, sqlite3_
}
return args;
error:
Py_DECREF(args);
return NULL;
}
void _pysqlite_func_callback(sqlite3_context* context, int argc, sqlite3_value** argv)