def conditions(self, stack):
get_cache_stack, cached_conds = self._conditions_cache
if (cached_conds is not None and get_cache_stack is not None
and get_cache_stack() is stack):
return cached_conds
raw_defs = self._get_condition_definitions()
if not isinstance(raw_defs, collections.Mapping):
message = _('Condition definitions must be a map. Found a '
'%s instead') % type(raw_defs).__name__
raise exception.StackValidationFailed(
error='Conditions validation error', message=message)
parsed = {
n: self.parse_condition(stack, c, '.'.join([self.CONDITIONS, n]))
for n, c in raw_defs.items()
}
conds = conditions.Conditions(parsed)
get_cache_stack = weakref.ref(stack) if stack is not None else None
self._conditions_cache = get_cache_stack, conds
return conds
def conditions(self, stack):
"""Return a dictionary of resolved conditions."""
return conditions.Conditions({})