A couple of helpful extensions to dict objects

dictextensions.py

class AttrDict(dict):
    # access data by dot notation e.g. {'a': 1} -> d.a = 1
    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)
        self.__dict__ = self

    def __getattr__(self, name):
        return self.get(name, None)


class OrderedNestedDict(OrderedDict):
    # allows for direct nested assignment e.g. d['a'][b'] = 1 -> {'a': {'b': 1}}
    def __missing__(self, key):
        result = self[key] = OrderedNestedDict()
        return result