json like python dict

gistfile1.txt

def tree(): 
return defaultdict(tree)


Adding a simple subclass allows attribute like selection:
class mydefaultdict(defaultdict):
    def __getattr__(self, attr):
        return self[attr]
    def __setattr__(self, attr, val):
        self[attr] = val

def tree(): return mydefaultdict(tree)
will turn:

taxonomy['Animalia']['Chordata']['Mammalia']['Carnivora']['Felidae']['Felis']['cat']
into:

taxonomy.Animalia.Chordata.Mammalia.Carnivora.Felidae.Felis.cat

from:
https://gist.github.com/hrldcpr/2012250