C:/mesDocs/QT_confDbVis_canvas/MyExceptions.py

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##################################################
#   Custom exception classes for CdbVis         ##
#                                               ##
##################################################

##
#  Exception class for ConfDB query and db errors.
#       
class DBError(Exception):

        def __init__(self,*args):
                self.args = args
                self._type = "database"

        def __str__(self):
                return "A " + str(self._type) + " error occured. The returned message from the ConfDB was:  " + str(self.args[0])

##
#  Exception class for ConfDB connection errors.
#       
class DBConnectionError(DBError):

        def __init__(self,*args):
                DBError.__init__(self,*args)
                self._type = "connection"


##
#  Exception class for all Validation errors.
#       
class ValidationError(Exception):
        
        def __init__(self,*args):
                self.args = args
                self._type = "validation"

        def __str__(self):
                return "A " + str(self._type) + " error occured: " + str(self.args[0])

##
#  Exception class for String Validation errors.
#       
class StringError(ValidationError):
        
        def __init__(self,*args):
                self.args = args
                self._type = "string validation"

##
#  Exception class for Number (Integer and Float) validation errors.
#       
class NumberError(ValidationError):
        
        def __init__(self,*args):
                self.args = args
                self._type = "number validation"

##
#  Exception clas for Subsystem name validation errors.
#       
class SystemNameError(ValidationError):
        
        def __init__(self,*args):
                self.args = args
                self._type = "system name validation"

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