def effective_principals(principal_or_interaction, acc=None):
"""Returns all the principals including recursive groups"""
if acc is None:
acc = []
if IInteraction.providedBy(principal_or_interaction):
for participation in principal_or_interaction.participations:
effective_principals(participation.principal, acc)
else:
auth = getUtility(IAuthentication, context=None)
acc.append(principal_or_interaction)
for group in principal_or_interaction.groups:
principal = auth.getPrincipal(group)
if isinstance(principal, Group) or not isinstance(principal, User):
effective_principals(principal, acc)
return acc
def get_current_interaction(request):
interaction = getattr(request, 'security', None)
if IInteraction.providedBy(interaction):
return interaction
return Interaction(request)
def get_current_interaction(request):
interaction = getattr(request, 'security', None)
if IInteraction.providedBy(interaction):
return interaction
return Interaction(request)