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# Copyright (C) 2013-2014 Red Hat, Inc. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice,
# this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
#
# The views and conclusions contained in the software and documentation are
# those of the authors and should not be interpreted as representing official
# policies, either expressed or implied, of the FreeBSD Project.
#
# Authors: Michal Minar <miminar@redhat.com>
#
"""
Module with predefined exceptions for use in scripts.
"""
class LmiError(Exception):
"""
The base Lmi scripts error.
All the other exceptions inherit from it.
"""
pass
class LmiFailed(LmiError):
"""
Raised, when operation on remote host failes.
It's supposed to be used especially in command libraries.
"""
pass
class LmiUnsatisfiedDependencies(LmiFailed):
"""
Raised when no guarded command in
:py:class:`~.command.select.LmiSelectCommand` can be loaded due to
unsatisfied requirements.
"""
def __init__(self, uris):
LmiFailed.__init__(self, "Profile and class dependencies were not"
" satisfied for this session (%s)." % ', '.join(uris))
class LmiUnexpectedResult(LmiError):
"""
Raised, when command's associated function returns something unexpected.
"""
def __init__(self, command_class, expected, result):
LmiError.__init__(self,
'Got unexpected result from associated function of'
' "%s.%s", expected "%s", got: "%s".' %
(command_class.__module__, command_class.__name__,
expected, repr(result)))
class LmiInvalidOptions(LmiError):
"""
Raised in :py:meth:`~.command.endpoint.LmiEndPointCommand.verify_options`
method if the options given are not valid.
"""
pass
class LmiCommandNotFound(LmiError):
""" Raised, when user requests not registered command. """
def __init__(self, cmd_name):
LmiError.__init__(self, 'No such command "%s".' % cmd_name)
class LmiNoConnections(LmiError):
""" Raised, when no connection to remote hosts could be made. """
pass
class LmiCommandImportError(LmiError):
""" Exception raised when command can not be imported. """
def __init__(self, cmd_name, cmd_path, reason):
LmiError.__init__(self, 'Failed to import command "%s" (%s): %s' % (
cmd_name, cmd_path, reason))
class LmiCommandError(LmiError):
""" Generic exception related to command declaration. """
def __init__(self, module_name, class_name, msg):
LmiError.__init__(self, 'Wrong declaration of command "%s": %s'
% ( ".".join([module_name, class_name])
if module_name else class_name
, msg))
class LmiCommandInvalidName(LmiCommandError):
""" Raised, when command gets invalid name. """
def __init__(self, module_name, class_name, cmd_name):
LmiCommandError.__init__(self, module_name, class_name,
'Invalid command name "%s".' % cmd_name)
class LmiCommandMissingCallable(LmiCommandError):
""" Raised, when command declaration is missing callable object. """
def __init__(self, module_name, class_name):
LmiCommandError.__init__(self, module_name, class_name,
'Missing CALLABLE property.')
class LmiCommandInvalidProperty(LmiCommandError):
""" Raised, when any command property contains unexpected value. """
pass
class LmiImportCallableFailed(LmiCommandInvalidProperty):
""" Raised, when callable object of command could not be imported. """
def __init__(self, module_name, class_name, callable_prop):
LmiCommandInvalidProperty.__init__(self, module_name, class_name,
'Failed to import callable "%s".' % callable_prop)
class LmiCommandInvalidCallable(LmiCommandInvalidProperty):
""" Raised, when given callback is not callable. """
def __init__(self, module_name, class_name, msg):
LmiCommandInvalidProperty.__init__(self, module_name, class_name, msg)
class LmiBadSelectExpression(LmiCommandError):
"""
Raised, when expression of :py:class:`~.command.select.LmiSelectCommand`
could not be evaluated.
"""
def __init__(self, module_name, class_name, expr):
LmiCommandError.__init__(self, module_name, class_name,
"Bad select expression: %s" % expr)
class LmiTerminate(Exception):
"""
Raised to cleanly terminate interavtive shell.
"""
def __init__(self, exit_code=0):
Exception.__init__(self, exit_code)
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