| # Copyright 2017 Google Inc. |
| # |
| # Licensed 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. |
| |
| # Module for errors thrown from AndroidDevice object. |
| |
| from mobly import signals |
| |
| HIERARCHY_TOKEN = '::' |
| |
| |
| class Error(signals.ControllerError): |
| pass |
| |
| |
| class DeviceError(Error): |
| """Raised for errors specific to an AndroidDevice object.""" |
| |
| def __init__(self, ad, msg): |
| template = '%s %s' |
| # If the message starts with the hierarchy token, don't add the extra |
| # space. |
| if isinstance(msg, str) and msg.startswith(HIERARCHY_TOKEN): |
| template = '%s%s' |
| new_msg = template % (repr(ad), msg) |
| super(DeviceError, self).__init__(new_msg) |
| |
| |
| class ServiceError(DeviceError): |
| """Raised for errors specific to an AndroidDevice service. |
| |
| A service is inherently associated with a device instance, so the service |
| error type is a subtype of `DeviceError`. |
| """ |
| SERVICE_TYPE = None |
| |
| def __init__(self, device, msg): |
| new_msg = '%sService<%s> %s' % (HIERARCHY_TOKEN, self.SERVICE_TYPE, |
| msg) |
| super(ServiceError, self).__init__(device, new_msg) |