| """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)""" | |