def ancestors(self, recurs=True, context=None): """return an iterator on the node base classes in a prefixed depth first order :param recurs: boolean indicating if it should recurse or return direct ancestors only """ # FIXME: should be possible to choose the resolution order # XXX inference make infinite loops possible here (see BaseTransformer # manipulation in the builder module for instance) yielded = set([self]) if context is None: context = InferenceContext() for stmt in self.bases: with context.restore_path(): try: for baseobj in stmt.infer(context): if not isinstance(baseobj, Class): # duh ? continue if baseobj in yielded: continue # cf xxx above yielded.add(baseobj) yield baseobj if recurs: for grandpa in baseobj.ancestors(True, context): if grandpa in yielded: continue # cf xxx above yielded.add(grandpa) yield grandpa except InferenceError: # XXX log error ? continue
def ancestors(self, recurs=True, context=None): """return an iterator on the node base classes in a prefixed depth first order :param recurs: boolean indicating if it should recurse or return direct ancestors only """ # FIXME: should be possible to choose the resolution order # XXX inference make infinite loops possible here (see BaseTransformer # manipulation in the builder module for instance) yielded = set([self]) if context is None: context = InferenceContext() for stmt in self.bases: with context.restore_path(): try: for baseobj in stmt.infer(context): if not isinstance(baseobj, Class): # duh ? continue if baseobj in yielded: continue # cf xxx above yielded.add(baseobj) yield baseobj if recurs: for grandpa in baseobj.ancestors(True, context): if grandpa in yielded: continue # cf xxx above yielded.add(grandpa) yield grandpa except InferenceError: # XXX log error ? continue