Geografic-Information-System/lib/python/pydispatch/errors.py

"""Error types for dispatcher mechanism
"""


class DispatcherError(Exception):
    """Base class for all Dispatcher errors"""


class DispatcherKeyError(KeyError, DispatcherError):
    """Error raised when unknown (sender,signal) set specified"""


class DispatcherTypeError(TypeError, DispatcherError):
    """Error raised when inappropriate signal-type specified (None)"""