def value_to_string(self, value):
        value_str = value.isoformat(*self.format_args)
        # undo python's idiotic formatting irregularity
        if(self.allows_microseconds and not value.microsecond):
            value_str += ".000000"
        return unicode(value_str)
Returns the datetime/date/time value converted to the relevant iso
dataset/ETHPy150Open jahlborn/appengine-rest-server/src/main/python/rest/__init__.py/DateTimeHandler.value_to_string