def enableSite(obj, iface=ISite):
"""Install __before_traverse__ hook for Local Site
"""
# We want the original object, not stuff in between, and no acquisition
obj = aq_base(obj)
if not IPossibleSite.providedBy(obj):
raise TypeError, 'Must provide IPossibleSite'
hook = AccessRule(HOOK_NAME)
registerBeforeTraverse(obj, hook, HOOK_NAME, 1)
if not hasattr(obj, HOOK_NAME):
setattr(obj, HOOK_NAME, LocalSiteHook())
zope.interface.alsoProvides(obj, iface)
def _cvt_btr(app):
stack = [app]
while stack:
o = stack.pop()
ov = getattr(o, 'objectValues', None)
if ov is not None:
stack.extend(list(ov()))
btr = getattr(o, '__before_traverse__', None)
if btr and type(btr) == type({}):
touched = 0
for k, v in btr.items():
if type(v) is type(''):
touched = 1
if k[1] == 'AccessRule':
btr[k] = AccessRule(v)
else:
btr[k] = NameCaller(v)
if touched:
rewriteBeforeTraverse(o, btr)