Ejemplos de metadata_to_pyobject en C++ (Cpp)

Ejemplo n.º 1

Archivo: exists.c Proyecto: darsenault/aerospike-client-python

PyObject * AerospikeClient_Exists_Invoke(
	AerospikeClient * self, 
	PyObject * py_key, PyObject * py_policy)
{
	// Python Return Value
	PyObject * py_result = NULL;

	// Aerospike Client Arguments
	as_error err;
	as_policy_read policy;
	as_policy_read * policy_p = NULL;
	as_key key;
	as_record * rec = NULL;

	// Initialize error
	as_error_init(&err);

	// Convert python key object to as_key
	pyobject_to_key(&err, py_key, &key);
	if ( err.code != AEROSPIKE_OK ) {
		goto CLEANUP;
	}

	// Convert python policy object to as_policy_exists
	pyobject_to_policy_read(&err, py_policy, &policy, &policy_p);
	if ( err.code != AEROSPIKE_OK ) {
		goto CLEANUP;
	}

	// Invoke operation
	aerospike_key_exists(self->as, &err, policy_p, &key, &rec);

	if ( err.code == AEROSPIKE_OK ) {

		PyObject * py_result_key = NULL;
		PyObject * py_result_meta = NULL;

		key_to_pyobject(&err, &key, &py_result_key);
		metadata_to_pyobject(&err, rec, &py_result_meta);
		
		py_result = PyTuple_New(2);
		PyTuple_SetItem(py_result, 0, py_result_key);
		PyTuple_SetItem(py_result, 1, py_result_meta);
	}
	else if ( err.code == AEROSPIKE_ERR_RECORD_NOT_FOUND ) {
		as_error_reset(&err);

		PyObject * py_result_key = NULL;
		PyObject * py_result_meta = Py_None;

		key_to_pyobject(&err, &key, &py_result_key);
		
		py_result = PyTuple_New(2);
		PyTuple_SetItem(py_result, 0, py_result_key);
		PyTuple_SetItem(py_result, 1, py_result_meta);

		Py_INCREF(py_result_meta);
	}

CLEANUP:

	as_record_destroy(rec);
	
	if ( err.code != AEROSPIKE_OK ) {
		PyObject * py_err = NULL;
		error_to_pyobject(&err, &py_err);
		PyErr_SetObject(PyExc_Exception, py_err);
		return NULL;
	}

	return py_result;
}

Ejemplo n.º 2

Archivo: exists.c Proyecto: BeeswaxIO/aerospike-client-python

/**
 *******************************************************************************************************
 * This function applies a registered udf module on a particular record.
 *
 * @param self                  AerospikeClient object
 * @param py_key                The key under which the record is stored.
 * @param py_policy             The dictionary of policies
 *
 * Returns a tuple of record having key and meta sequentially.
 *******************************************************************************************************
 */
extern PyObject * AerospikeClient_Exists_Invoke(
		AerospikeClient * self,
		PyObject * py_key, PyObject * py_policy)
{
	// Python Return Value
	PyObject * py_result = NULL;

	// Aerospike Client Arguments
	as_error err;
	as_policy_read read_policy;
	as_policy_read * read_policy_p = NULL;
	as_key key;
	as_record * rec = NULL;

	// Initialisation flags
	bool key_initialised = false;

	// Initialize error
	as_error_init(&err);

	if (!self || !self->as) {
		as_error_update(&err, AEROSPIKE_ERR_PARAM, "Invalid aerospike object");
		goto CLEANUP;
	}

	if (!self->is_conn_16) {
		as_error_update(&err, AEROSPIKE_ERR_CLUSTER, "No connection to aerospike cluster");
		goto CLEANUP;
	}

	// Convert python key object to as_key
	pyobject_to_key(&err, py_key, &key);
	if ( err.code != AEROSPIKE_OK ) {
		goto CLEANUP;
	}
	// key is initialised successfully
	key_initialised = true;

	// Convert python policy object to as_policy_exists
	pyobject_to_policy_read(&err, py_policy, &read_policy, &read_policy_p,
			&self->as->config.policies.read);
	if ( err.code != AEROSPIKE_OK ) {
		goto CLEANUP;
	}

	// Invoke operation
    Py_BEGIN_ALLOW_THREADS
	aerospike_key_exists(self->as, &err, read_policy_p, &key, &rec);
    Py_END_ALLOW_THREADS

	if ( err.code == AEROSPIKE_OK ) {

		PyObject * py_result_key = NULL;
		PyObject * py_result_meta = NULL;

		key_to_pyobject(&err, &key, &py_result_key);
		metadata_to_pyobject(&err, rec, &py_result_meta);

		py_result = PyTuple_New(2);
		PyTuple_SetItem(py_result, 0, py_result_key);
		PyTuple_SetItem(py_result, 1, py_result_meta);
	}
	else {
		as_error_update(&err, err.code, NULL);
	}

CLEANUP:

	if (key_initialised == true){
		// Destroy the key if it is initialised successfully.
		as_key_destroy(&key);
	}
	as_record_destroy(rec);

	if ( err.code != AEROSPIKE_OK ) {
		PyObject * py_err = NULL;
		error_to_pyobject(&err, &py_err);
		PyObject *exception_type = raise_exception(&err);
		if(PyObject_HasAttrString(exception_type, "key")) {
			PyObject_SetAttrString(exception_type, "key", py_key);
		} 
		if(PyObject_HasAttrString(exception_type, "bin")) {
			PyObject_SetAttrString(exception_type, "bin", Py_None);
		}
		PyErr_SetObject(exception_type, py_err);
		Py_DECREF(py_err);
	}

	return py_result;
}