Factor out a getUniversalContext() function so that views that do not call
response_helpers.response() can benefit from the code that constructs shared
template context variables common to many templates.
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)"""