Source code for automaton.exceptions

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#         http://www.apache.org/licenses/LICENSE-2.0
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[docs]class AutomatonException(Exception):
    """Base class for *most* exceptions emitted from this library."""




[docs]class InvalidState(AutomatonException):
    """Raised when a invalid state transition is attempted while executing."""




[docs]class NotInitialized(AutomatonException):
    """Error raised when an action is attempted on a not inited machine."""




[docs]class NotFound(AutomatonException):
    """Raised when some entry in some object doesn't exist."""




[docs]class Duplicate(AutomatonException):
    """Raised when a duplicate entry is found."""




[docs]class FrozenMachine(AutomatonException):
    """Exception raised when a frozen machine is modified."""

    def __init__(self):
        super(FrozenMachine, self).__init__("Frozen machine can't be modified")