Consolidate functions dealing with Google Accounts and look-up of User entities
into a single site-wide controller module. Tests will be added in a subsequent
commit as soon as Google App Engine tests using mocker are figured out.
Patch by: Todd Larsen
Review by: to-be-reviewed
"""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)"""