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# Copyright 2006-2008 Nanorex, Inc. See LICENSE file for details.
"""
exception_classes.py -- exception classes for general use
@author: Will
@version: $Id$
@copyright: 2006-2008 Nanorex, Inc. See LICENSE file for details.
Note:
This module can't be called exceptions.py, since that confuses
some other modules which try to import the Python builtin module
of the same name.
History:
Will wrote these in GeneratorBaseClass.py for its own use.
Since then they have become used by unrelated code,
so Bruce 080730 moved them into their own file.
"""
# REVIEW: AbstractMethod should ideally be merged with the other
# 2 or 3 variants of this idea, or replaced with the exception built into
# Python for this purpose.
# [070724 code review]
class AbstractMethod(Exception):
def __init__(self):
Exception.__init__(self, "Abstract method - must be overloaded")
# REVIEW:
# The following should be taught to help print messages about themselves,
# so that handlePluginExceptions (in GeneratorBaseClass) doesn't need to
# catch each one individually. This should be revisited after our overall
# error handling code is revised.
# [070724 code review]
#
# REVIEW: I suspect these exceptions are not handled in the best way, and in
# particular, I am not sure it's useful to have a CadBug exception class,
# given that any unexpected exception (of any class) also counts as a "bug
# in the cad code".
# [bruce 070719 comments]
#
# The docstrings are also not good enough (all the same).
class CadBug(Exception):
"""
Useful for distinguishing between an exception from subclass
code which is a bug in the cad, a report of an error in the
plugin, or a report of a user error.
"""
def __init__(self, arg = None):
if arg is not None:
Exception.__init__(self, arg)
else:
Exception.__init__(self)
pass
class PluginBug(Exception):
"""
Useful for distinguishing between an exception from subclass
code which is a bug in the cad, a report of an error in the
plugin, or a report of a user error.
"""
def __init__(self, arg = None):
if arg is not None:
Exception.__init__(self, arg)
else:
Exception.__init__(self)
pass
class UserError(Exception):
"""
Useful for distinguishing between an exception from subclass
code which is a bug in the cad, a report of an error in the
plugin, or a report of a user error.
"""
def __init__(self, arg = None):
if arg is not None:
Exception.__init__(self, arg)
else:
Exception.__init__(self)
pass
# end
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