| # Copyright 2014 The Chromium Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| """ |
| Exception classes raised by AdbWrapper and DeviceUtils. |
| """ |
| |
| from pylib import cmd_helper |
| |
| |
| class BaseError(Exception): |
| """Base exception for all device and command errors.""" |
| pass |
| |
| |
| class CommandFailedError(BaseError): |
| """Exception for command failures.""" |
| |
| def __init__(self, message, device_serial=None): |
| if device_serial is not None: |
| message = '(device: %s) %s' % (device_serial, message) |
| self.device_serial = device_serial |
| super(CommandFailedError, self).__init__(message) |
| |
| |
| class AdbCommandFailedError(CommandFailedError): |
| """Exception for adb command failures.""" |
| |
| def __init__(self, cmd, output, status=None, device_serial=None): |
| self.cmd = cmd |
| self.output = output |
| self.status = status |
| message = [] |
| if self.cmd[0] == 'shell': |
| assert len(self.cmd) == 2 |
| message.append('adb shell command %r failed with' % self.cmd[1]) |
| else: |
| command = ' '.join(cmd_helper.SingleQuote(arg) for arg in self.cmd) |
| message.append('adb command %r failed with' % command) |
| if status: |
| message.append(' exit status %d and' % self.status) |
| if output: |
| message.append(' output:\n') |
| message.extend('> %s\n' % line for line in output.splitlines()) |
| else: |
| message.append(' no output') |
| super(AdbCommandFailedError, self).__init__(''.join(message), device_serial) |
| |
| |
| class CommandTimeoutError(BaseError): |
| """Exception for command timeouts.""" |
| pass |
| |
| |
| class DeviceUnreachableError(BaseError): |
| """Exception for device unreachable failures.""" |
| pass |
| |
| |
| class NoDevicesError(BaseError): |
| """Exception for having no devices attached.""" |
| |
| def __init__(self): |
| super(NoDevicesError, self).__init__('No devices attached.') |
| |
