# Superclass of all exceptions thrown
class IMException(Exception):
    pass

# Exception when Network is Unreachable.
class IMNetworkError(IMException):
    pass

# Exception when the Transport returns errors,
# eg. Illegal Checksums, Error Codes.
class IMTransportError(IMException):
    pass

# Exceptions when attempting to Connect
class IMConnectError(IMException):
    pass

# Exceptions when disconnecting
class IMDisconnectException(IMException):
    pass

class IMNoSuchStatus(IMException):
    pass

class IMNoSuchUser(IMException):
    pass