A Python module that includes extended dict

iDict.py

class iDict(dict):
	def __setitem__(self, key, item):
		self.__dict__[key] = item

	def __getitem__(self, key):
		return self.__dict__[key]

	def __repr__(self):
		return repr(self.__dict__)

	def __len__(self):
		return len(self.__dict__)

	def __delitem__(self, key):
		del self.__dict__[key]
	
	def __add__(self, other):
		if type(other) == type(self.__dict__) or type(other) == type(self):
			for key in other.keys():
				self[key] = other[key]
		elif type(other) == type([]):
			for (a, b) in other:
				self[a] = b
		return self
	def __sub__(self, other):
		if type(other) in [type(x) for x in self.keys()]:
			del self[other]
		elif type(other) == type(self.__dict__) or type(other) == type(self):
			for key in other.keys():
				del self[key]
		return self

	def __lt__(self, other):
		return len(self.keys()) < len(other.keys())
	def __gt__(self, other):
		return len(self.keys()) > len(other.keys())

	def clear(self):
		return self.__dict__.clear()

	def copy(self):
		return self.__dict__.copy()

	def has_key(self, k):
		return k in self.__dict__

	def update(self, *args, **kwargs):
		return self.__dict__.update(*args, **kwargs)

	def keys(self):
		return self.__dict__.keys()

	def values(self):
		return self.__dict__.values()

	def items(self):
		return self.__dict__.items()

	def pop(self, *args):
		return self.__dict__.pop(*args)

	def __cmp__(self, dict_):
		return self.__cmp__(self.__dict__, dict_)

	def __contains__(self, item):
		return item in self.__dict__

	def __iter__(self):
		return iter(self.__dict__)

	def __unicode__(self):
		return unicode(repr(self.__dict__))
dict = iDict