def __getitem__(self, k):
if not k: return self
self = deepcopy(self)
if not isinstance(k, (tuple, list)):
k = [k]
for fragment in k:
if isinstance(fragment, basestring):
self.children.append(escape(fragment))
continue
self.children.append(fragment)
return self
def __iter__(self):
yield 'text', escape(unicode(self.data)) if self.escape else unicode(self.data)
