set_source = "def $FUNC(self, value):\n\tself._$VAR = value\n"
get_source = "def $FUNC(self):\n\treturn self._$VAR\n"

def magic_property(var_name):
    source = get_source.replace("$VAR", var_name)
    source = source.replace("$FUNC", "__get_%s" % var_name)
    code = compile(source, "<string>", "exec").co_consts[0]
    getter = FunctionType(code, {})

    source = set_source.replace("$VAR", var_name)
    source = source.replace("$FUNC", "__set_%s" % var_name)
    code = compile(source, "<string>", "exec").co_consts[0]
    setter = FunctionType(code, {})

    prop = property(getter, setter)

    return prop