def _add_io_handler(self, handler):
        self._handlers.append(handler)
pgsql passwords are md5 hashes of the string: 'md5{password}{rolename}'
dataset/ETHPy150Open kuri65536/python-for-android/python3-alpha/python-libs/pyxmpp2/mainloop/select.py/SelectMainLoop._add_io_handler--crossover with--dataset/ETHPy150Open saltstack/salt/salt/modules/postgres.py/_maybe_encrypt_password