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Answer by epool for How to use a dot "." to access members of dictionary?

You can do it using this class I just made. With this class you can use the Map object like another dictionary(including json serialization) or with the dot notation. I hope to help you:

class Map(dict):"""    Example:    m = Map({'first_name': 'Eduardo'}, last_name='Pool', age=24, sports=['Soccer'])"""    def __init__(self, *args, **kwargs):        super(Map, self).__init__(*args, **kwargs)        for arg in args:            if isinstance(arg, dict):                for k, v in arg.iteritems():                    self[k] = v        if kwargs:            for k, v in kwargs.iteritems():                self[k] = v    def __getattr__(self, attr):        return self.get(attr)    def __setattr__(self, key, value):        self.__setitem__(key, value)    def __setitem__(self, key, value):        super(Map, self).__setitem__(key, value)        self.__dict__.update({key: value})    def __delattr__(self, item):        self.__delitem__(item)    def __delitem__(self, key):        super(Map, self).__delitem__(key)        del self.__dict__[key]

Usage examples:

m = Map({'first_name': 'Eduardo'}, last_name='Pool', age=24, sports=['Soccer'])# Add new keym.new_key = 'Hello world!'# Orm['new_key'] = 'Hello world!'print m.new_keyprint m['new_key']# Update valuesm.new_key = 'Yay!'# Orm['new_key'] = 'Yay!'# Delete keydel m.new_key# Ordel m['new_key']

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