Remove Author model (use Person instead). Update models after removing Author. Add new Sponsor, Organization models.
Patch by: Pawel Solyga
Reviewed by: Todd Larsen
Review issue: 801
Review URL: http://codereviews.googleopensourceprograms.com/801
"""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)"""