class AuthorizationEngine(object):
"""Holds any registered authorization activities."""
def __init__(self):
self._activity_registry = ActivityRegistry()
def register(self, activity, *more_activities):
"""Register any authorization activities.
Args:
activity: required authorization activity to register.
more_activities: optional authorization activities to register.
Returns:
A container for the authorization rules
associated to the registered authorization activities.
"""
ps = PermissionSet(self)
self._activity_registry.add(activity, ps)
for a in more_activities:
self._activity_registry.add(a, ps)
return ps
def __call__(self, activity):
"""Creates a verifier for an authorization activity.
Args:
activity: authorization activity to verify.
Returns:
A verifier to check the input activity.
"""
return ActivityAuthorization(activity, self._activity_registry)
def __init__(self):
self._activity_registry = ActivityRegistry()
