Source code for roster_core.errors
#!/usr/bin/python
# Copyright (c) 2009, Purdue University
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"""Central collection of base error classes in the RosterCore."""
__copyright__ = 'Copyright (C) 2009, Purdue University'
__license__ = 'BSD'
__version__ = '#TRUNK#'
PARSABLE_MYSQL_ERRORS = [1452]
[docs]class CoreError(Exception):
"""Error class that all Roster errors are
sub-classed from
"""
pass
[docs]class InternalError(CoreError):
"""Error class that all internal/code errors
sub-class from.
"""
pass
[docs]class UserError(CoreError):
"""Error class that all User errors
sub-class from.
"""
pass
[docs]class AuthenticationError(UserError):
pass
[docs]class AuthorizationError(UserError):
pass
[docs]class ConfigError(UserError):
pass
[docs]class ReservedWordError(UserError):
pass
[docs]class IPIndexError(InternalError):
pass
[docs]class MaintenanceError(InternalError):
pass
[docs]class UnexpectedDataError(UserError):
pass
[docs]class DatabaseError(UserError):
"""Raised when DatabaseError is raised and changes its value
to be more readable
"""
def __init__(self, value):
"""Sets instance variable for value"""
self.value = value
def __str__(self):
"""Python standard string method, makes value string
easier to understand.
Outputs:
str: reformatted error string
"""
array = self.value[1].split(' ')
if( self.value[0] == 1452 ):
foreign_index = array.index('FOREIGN')
attribute = array[-2].strip('(`)')
if( attribute == 'view_dependency' ):
attribute = 'view'
elif( attribute == 'zone_view_assignments' ):
attribute = 'zone or view'
self.value = "Specified %s does not exist." % attribute
return self.value
[docs]class RecordError(InternalError):
pass
[docs]class RecordsBatchError(InternalError):
pass
[docs]class FunctionError(InternalError):
pass
[docs]class VersionDiscrepancyError(InternalError):
pass
[docs]class DbAccessError(InternalError):
pass
[docs]class TransactionError(DbAccessError):
pass
[docs]class MissingDataTypeError(DbAccessError):
pass