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CommandLock.py	3.25 KB	-rw-r--r--
CommandLock.pyc	3 KB	-rw-r--r--
CommandLock.pyo	3 KB	-rw-r--r--
Configuration.py	14.12 KB	-rw-r--r--
Configuration.pyc	14.06 KB	-rw-r--r--
Configuration.pyo	13.98 KB	-rw-r--r--
Constants.py	2.75 KB	-rw-r--r--
Constants.pyc	2.68 KB	-rw-r--r--
Constants.pyo	2.68 KB	-rw-r--r--
Defaults.py	16.29 KB	-rw-r--r--
Defaults.pyc	15.59 KB	-rw-r--r--
Defaults.pyo	15.59 KB	-rw-r--r--
ExitStatusMixins.py	4.02 KB	-rw-r--r--
ExitStatusMixins.pyc	3.8 KB	-rw-r--r--
ExitStatusMixins.pyo	3.8 KB	-rw-r--r--
KernelModuleService.py	3.27 KB	-rw-r--r--
KernelModuleService.pyc	3.15 KB	-rw-r--r--
KernelModuleService.pyo	3.15 KB	-rw-r--r--
MgmntLogger.py	1.28 KB	-rw-r--r--
MgmntLogger.pyc	964 B	-rw-r--r--
MgmntLogger.pyo	964 B	-rw-r--r--
MgmntUtils.py	1.47 KB	-rw-r--r--
MgmntUtils.pyc	1.1 KB	-rw-r--r--
MgmntUtils.pyo	1.1 KB	-rw-r--r--
Service.py	5.28 KB	-rw-r--r--
Service.pyc	4.87 KB	-rw-r--r--
Service.pyo	4.87 KB	-rw-r--r--
SizeString.py	5.71 KB	-rw-r--r--
SizeString.pyc	5.56 KB	-rw-r--r--
SizeString.pyo	5.56 KB	-rw-r--r--
Utils.py	3.24 KB	-rw-r--r--
Utils.pyc	3.21 KB	-rw-r--r--
Utils.pyo	3.21 KB	-rw-r--r--
VDOKernelModuleService.py	1.95 KB	-rw-r--r--
VDOKernelModuleService.pyc	1.44 KB	-rw-r--r--
VDOKernelModuleService.pyo	1.44 KB	-rw-r--r--
VDOOperation.py	26.12 KB	-rw-r--r--
VDOOperation.pyc	26.44 KB	-rw-r--r--
VDOOperation.pyo	26.44 KB	-rw-r--r--
VDOService.py	77.27 KB	-rw-r--r--
VDOService.pyc	59.42 KB	-rw-r--r--
VDOService.pyo	59.42 KB	-rw-r--r--
__init__.py	1.58 KB	-rw-r--r--
__init__.pyc	1.18 KB	-rw-r--r--
__init__.pyo	1.18 KB	-rw-r--r--

Code Editor : ExitStatusMixins.py

#
# Copyright (c) 2018 Red Hat, Inc.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
# 
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
# 
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
# 02110-1301, USA. 
#

"""
  ExitStatusMixins - Mixins for exceptions to associate distinguishing exit
                      status values

These mixins are defined based on the types of error that can occur.
  Each mixin is assigned a specific exit status value to disambiguate the
  error type via exit status of user-facing utilities.

The values start at 3 to provide distinction from common failure exit
  statuses (1 - something went wrong, 2 - argument error) that may be produced
  by user-facing utilities.

In accord with mixin best practices these mixins are to be specified
  *before* an exception's superclass exception in the exception's definition.
  This allows for a subsystem base exception to provide a subsystem-wide
  exit status and for subsystem specific exceptions to specialize the
  exit status as appropriate.

To avoid subclass proliferation simply to provide specific exit statuses
  one can chose to create a subsystem base exception using any of the
  ExitStatus hierachy classes (though, generally, one should probably only
  use ExitStatus itself) and provide a specific exit status for an exception
  at instantiation by passing any of the ExitStatus hierarchy classes as the
  'exitStatus' instantiation parameter.

$Id: //eng/vdo-releases/magnesium/src/python/vdo/vdomgmnt/ExitStatusMixins.py#1 $

"""

class ExitStatus(object):
  """Base class for all ExistStatusMixins.
  Provides a default exit status value to be interpreted solely as an
  error occurred.
  """
  _exitStatusMixinValue = 3

######################################################################
  # Public methods
  ######################################################################
  @property
  def exitStatus(self):
    if self._exitStatus is not None:
      return self._exitStatus._exitStatusMixinValue
    return self._exitStatusMixinValue;

######################################################################
  # Overridden methods
  ######################################################################
  def __init__(self, exitStatus = None, *args, **kwargs):
    super(ExitStatus, self).__init__(*args, **kwargs)
    self._exitStatus = exitStatus
    if ((self._exitStatus is not None)
        and (not issubclass(self._exitStatus, ExitStatus))):
      raise TypeError(
        "{0} is not an ExitStatus mixin".format(
                                              type(self._exitStatus).__name__))

########################################################################
class DeveloperExitStatus(ExitStatus):
  """Used to represent an error condition due to a developer oversight.
  """
  _exitStatusMixinValue = 4

########################################################################
class StateExitStatus(ExitStatus):
  """Used to represent an error condition due to the state of some entity.
  """
  _exitStatusMixinValue = 5

########################################################################
class SystemExitStatus(ExitStatus):
  """Used to represent an error condition due to a failure on the part of
  the operating system, hardware, etc.
  """
  _exitStatusMixinValue = 6

########################################################################
class UserExitStatus(ExitStatus):
  """Used to represent an error condition due to the user; e.g., bad parameter,
  insufficient permissions, etc.
  """
  _exitStatusMixinValue = 7

${this.title}

Code Editor : ExitStatusMixins.py