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| 1 # Copyright 2014 The Chromium Authors. All rights reserved. |
| 2 # Use of this source code is governed by a BSD-style license that can be |
| 3 # found in the LICENSE file. |
| 4 |
| 5 """ |
| 6 Exception classes raised by AdbWrapper and DeviceUtils. |
| 7 """ |
| 8 |
| 9 from pylib import cmd_helper |
| 10 from pylib.utils import base_error |
| 11 |
| 12 |
| 13 class CommandFailedError(base_error.BaseError): |
| 14 """Exception for command failures.""" |
| 15 |
| 16 def __init__(self, message, device_serial=None): |
| 17 if device_serial is not None: |
| 18 message = '(device: %s) %s' % (device_serial, message) |
| 19 self.device_serial = device_serial |
| 20 super(CommandFailedError, self).__init__(message) |
| 21 |
| 22 |
| 23 class AdbCommandFailedError(CommandFailedError): |
| 24 """Exception for adb command failures.""" |
| 25 |
| 26 def __init__(self, args, output, status=None, device_serial=None, |
| 27 message=None): |
| 28 self.args = args |
| 29 self.output = output |
| 30 self.status = status |
| 31 if not message: |
| 32 adb_cmd = ' '.join(cmd_helper.SingleQuote(arg) for arg in self.args) |
| 33 message = ['adb %s: failed ' % adb_cmd] |
| 34 if status: |
| 35 message.append('with exit status %s ' % self.status) |
| 36 if output: |
| 37 message.append('and output:\n') |
| 38 message.extend('- %s\n' % line for line in output.splitlines()) |
| 39 else: |
| 40 message.append('and no output.') |
| 41 message = ''.join(message) |
| 42 super(AdbCommandFailedError, self).__init__(message, device_serial) |
| 43 |
| 44 |
| 45 class DeviceVersionError(CommandFailedError): |
| 46 """Exception for device version failures.""" |
| 47 |
| 48 def __init__(self, message, device_serial=None): |
| 49 super(DeviceVersionError, self).__init__(message, device_serial) |
| 50 |
| 51 |
| 52 class AdbShellCommandFailedError(AdbCommandFailedError): |
| 53 """Exception for shell command failures run via adb.""" |
| 54 |
| 55 def __init__(self, command, output, status, device_serial=None): |
| 56 self.command = command |
| 57 message = ['shell command run via adb failed on the device:\n', |
| 58 ' command: %s\n' % command] |
| 59 message.append(' exit status: %s\n' % status) |
| 60 if output: |
| 61 message.append(' output:\n') |
| 62 if isinstance(output, basestring): |
| 63 output_lines = output.splitlines() |
| 64 else: |
| 65 output_lines = output |
| 66 message.extend(' - %s\n' % line for line in output_lines) |
| 67 else: |
| 68 message.append(" output: ''\n") |
| 69 message = ''.join(message) |
| 70 super(AdbShellCommandFailedError, self).__init__( |
| 71 ['shell', command], output, status, device_serial, message) |
| 72 |
| 73 |
| 74 class CommandTimeoutError(base_error.BaseError): |
| 75 """Exception for command timeouts.""" |
| 76 pass |
| 77 |
| 78 |
| 79 class DeviceUnreachableError(base_error.BaseError): |
| 80 """Exception for device unreachable failures.""" |
| 81 pass |
| 82 |
| 83 |
| 84 class NoDevicesError(base_error.BaseError): |
| 85 """Exception for having no devices attached.""" |
| 86 |
| 87 def __init__(self): |
| 88 super(NoDevicesError, self).__init__( |
| 89 'No devices attached.', is_infra_error=True) |
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