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'''
====================================================================
Copyright (c) 2003-2006 Barry A Scott. All rights reserved.
This software is licensed as described in the file LICENSE.txt,
which you should have received as part of this distribution.
====================================================================
wb_exceptions.py
'''
class WorkBenchError(Exception):
def __init__( self, msg ):
Exception.__init__( self, msg )
class InternalError(WorkBenchError):
def __init__( self, msg ):
WorkBenchError.__init__( self, msg )
#
# Helper class to cut down code bloat.
#
# in __init__ add:
# self.try_wrapper = wb_exceptions.TryWrapperFactory( log )
#
# where binding an EVT code as:
#
# wxPython.wx.EVT_SIZE( self, self.try_wrapper( self.OnSize ) )
#
class TryWrapperFactory:
def __init__( self, log ):
self.log = log
def __call__( self, function ):
return TryWrapper( self.log, function )
class TryWrapper:
def __init__( self, log, function ):
self.log = log
self.function = function
def __call__( self, *params, **keywords ):
try:
result = self.function( *params, **keywords )
return result
except Exception:
self.log.exception( 'TryWrapper<%s.%s>\n' %
(self.function.__module__, self.function.__name__ ) )
return None
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