| # Licensed to the Apache Software Foundation (ASF) under one or more |
| # contributor license agreements. See the NOTICE file distributed with |
| # this work for additional information regarding copyright ownership. |
| # The ASF licenses this file to You under the Apache License, Version 2.0 |
| # (the "License"); you may not use this file except in compliance with |
| # the License. You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| |
| from functools import wraps |
| |
| from libcloud.common.types import LibcloudError |
| |
| __all__ = ["wrap_non_libcloud_exceptions"] |
| |
| |
| def wrap_non_libcloud_exceptions(func): |
| """ |
| Decorators function which catches non LibcloudError exceptions, wraps them |
| in LibcloudError class and re-throws the wrapped exception. |
| |
| Note: This function should only be used to wrap methods on the driver |
| classes. |
| """ |
| |
| @wraps(func) |
| def decorated_function(*args, **kwargs): |
| try: |
| return func(*args, **kwargs) |
| except Exception as e: |
| |
| if isinstance(e, LibcloudError): |
| raise e |
| |
| if len(args) >= 1: |
| driver = args[0] |
| else: |
| driver = None |
| |
| fault = getattr(e, "fault", None) |
| |
| if fault and getattr(fault, "string", None): |
| message = fault.string |
| else: |
| message = str(e) |
| |
| raise LibcloudError(value=message, driver=driver) |
| |
| return decorated_function |