import __main__
#import __builtin__

def builtin(name):
	"""You can modify this code to add the object to __builtin__ rather than __main__"""
	exec("%s.__name__ = '%s'; __main__.__dict__['%s'] = %s" %  (name,name,name,name))


def update_extend_meta(dict, name):
	for k,v in dict.items():
		if(type(v).__name__ in ("_MetaExtend", "type", "classobj") ):
			dot = ("." if (not name.endswith(".")) else "")
			fullname = name + dot + k
			if(fullname.endswith(".")): fullname = name
			builtin(fullname)
			update_extend_meta(v.__dict__, fullname)

class _MetaExtend(type):
	def __new__(cls, name, bases, dict):
		if not bases: return type.__new__(cls, name, bases, dict)
		if len(bases) != 2:
			raise TypeError, "A extend class definition must have only one base class to extend"
		base = bases[1]
		for k, v in dict.items():
			if k == '__module__': continue
			setattr(base, k, v)
		update_extend_meta(base.__dict__, base.__name__)
		return base

class extend: __metaclass__ = _MetaExtend