def load_keys(self):
print("load_keys")
obj = TransactionData()
cmd = STX + "0800" + ETX
cmd_hex = posutils.hex_string(cmd, crc=True)
try:
results = obj.set_response(self.__execute(cmd_hex))
for result in results:
if result == ACK:
break
results = obj.set_response(self.__wait_data(30))
flag = self.__get_flags(results[0], TX_RESPUESTA)
obj.set_response_code(flag)
if flag == "00":
obj.result = True
obj.add_content(
"codigo_comercio",
self.__get_flags(results[0], TX_CODIGO_COMERCIO))
obj.add_content("terminal_id",
self.__get_flags(results[0], TX_TERMINAL_ID))
except Exception as err:
print("More errors: {}".format(err))
self.ack()
return obj
def ack(self, nowait=False):
obj = TransactionData()
cmd = ACK
cmd_hex = posutils.hex_string(cmd)
try:
obj.set_response(self.__execute(cmd_hex, nowait=nowait))
obj.result = True
except IOError as err:
print("More errors: {}".format(err))
return obj
def close(self):
obj = TransactionData()
cmd = STX + "0500|0" + ETX
cmd_hex = posutils.hex_string(cmd, crc=True)
try:
results = obj.set_response(self.__execute(cmd_hex))
for result in results:
obj.set_response_code(result[7:9])
obj.set_text(self.__get_properties(result[7:9]))
except IOError as err:
print("More errors: {}".format(err))
return obj
def all_transactions(self):
obj = TransactionData()
cmd = STX + "0700|0" + ETX
cmd_hex = posutils.hex_string(cmd, crc=True)
try:
result = obj.set_response(self.__execute(cmd_hex))
while result == ACK:
result = obj.set_response(self.__execute(cmd_hex))
flag = self.__get_flags(result, TX_RESPUESTA)
obj.set_text(self.__get_properties(flag))
obj.set_response_code(flag)
except IOError as err:
print("More errors: {}".format(err))
return obj
def sale_detail(self): # TODO check return data
obj = TransactionData()
cmd = STX + "0260|0" + ETX + "K"
cmd_hex = posutils.hex_string(cmd)
try:
result = obj.set_response(self.__execute(cmd_hex))
if result == ACK:
obj.result = True
obj.set_response_code("00")
obj.set_text(
"Detalle de ventas en Pos solicitado exitosamente.")
else:
obj.set_text("Error al obtener detalle de ventas.")
except IOError as err:
print("More errors: {}".format(err))
return obj
def resp_init(self):
print("response initialization...")
obj = TransactionData()
cmd = STX + "0080" + ETX
cmd_hex = posutils.hex_string(cmd, crc=True)
try:
results = obj.set_response(self.__execute(cmd_hex))
for result in results:
obj.set_text("Problema al conectar")
if result == ACK:
obj.result = True
obj.set_text("Inicializado")
break
except IOError as err:
print("More errors: {}".format(err))
return obj
def polling(self):
print("POS POLLING...")
obj = TransactionData()
cmd = STX + "0100" + ETX
cmd_hex = posutils.hex_string(cmd, crc=True)
try:
results = obj.set_response(self.__execute(cmd_hex))
if len(results) == 0:
raise IOError("Empty result")
if results[0] == ACK:
obj.result = True
obj.set_text("Conexion establecida en puerto: {}".format(
str(self.device)))
else:
obj.set_text("Puerto incorrecto, intente con otro puerto.")
except IOError as err:
print("More errors: {}".format(err))
self.ack(nowait=True)
return obj
def cancel_transaction(self): # , **kwargs):
obj = TransactionData()
cmd = STX + "1200" + ETX
cmd_hex = posutils.hex_string(cmd, crc=True)
try:
result = obj.set_response(self.__execute(cmd_hex))
while result == ACK:
result = obj.set_response(self.__execute(cmd_hex))
flag = self.__get_flags(result, TX_RESPUESTA)
obj.set_response_code(flag)
obj.set_text(self.__get_properties(flag))
if flag == "00":
obj.result = True
obj.add_content("codigo_comercio",
self.__get_flags(result, TX_CODIGO_COMERCIO))
obj.add_content("terminal_id",
self.__get_flags(result, TX_TERMINAL_ID))
obj.add_content(
"codigo_autorizacion",
self.__get_flags(result, ANULA_TX_CODIGO_AUTORIZACION))
self.ack()
except IOError as err:
print("More errors: {}".format(err))
return obj
def sale_init(self, amount, voucher='0', dummy=False): # , **kwargs):
voucher = "" + str(voucher)
print("sale_init({}, {}, {})".format(amount, voucher, dummy))
obj = TransactionData()
cmd = STX + "0200|" + str(amount) + "|" + str(
voucher[-6:]) + "|0|1" + ETX
cmd_hex = posutils.hex_string(cmd, crc=True)
flag = False
res_type = None
try:
results = obj.set_response(self.__execute(cmd_hex))
print("Sends the sale")
if results[0] == ACK:
print("wait for more data")
results = obj.set_response(self.__wait_data(30))
result = None
for res in results:
res_type = self.__get_flags(res, TX_MENSAJE)
flag = self.__get_flags(res, TX_RESPUESTA)
print("status data: {}".format(res))
if flag in STOP_TOKENS:
result = res
break
while flag not in STOP_TOKENS:
res = obj.set_response(self.__wait_data(30))
for data in res:
res_type = self.__get_flags(data, TX_MENSAJE)
flag = self.__get_flags(data, TX_RESPUESTA)
print("current flag: {}".format(flag))
if flag not in STOP_TOKENS:
result = res
break
self.ack(nowait=True)
print("current result: {}".format(result))
if result is not None and flag == "00" and res_type == "0210":
print("result: {}".format(result))
if isinstance(result, list):
result = result[0]
result = result.split('|')
obj.add_content("num_voucher", voucher)
obj.add_content("codigo_comercio", result[TX_CODIGO_COMERCIO])
obj.add_content("terminal_id", result[TX_TERMINAL_ID])
obj.add_content("num_voucher_mapfre",
result[VENTA_TX_NUM_VOUCHER_MAPFRE])
obj.add_content("codigo_autorizacion",
result[VENTA_TX_CODIGO_AUTORIZACION])
obj.add_content("monto", result[VENTA_TX_MONTO])
obj.add_content("ult_4_numeros",
result[VENTA_TX_ULT_4_DIGITOS])
obj.add_content("codigo_operacion",
result[VENTA_TX_CODIGO_OPERACION])
obj.add_content("tipo_tarjeta", result[VENTA_TX_TIPO_TARJETA])
obj.add_content("numero_cuenta", result[VENTA_TX_CUENTA])
obj.add_content("codigo_tarjeta",
result[VENTA_TX_CODIGO_TARJETA])
obj.add_content("fecha", result[VENTA_TX_FECHA_TRANSAC])
obj.add_content("hora", result[VENTA_TX_HORA_TRANSAC])
obj.add_content("num_cuotas", result[VENTA_OP_NUM_CUOTA])
obj.add_content("monto_cuota", result[VENTA_OP_MONTO_CUOTA])
obj.add_content("status", "OK")
obj.set_text(self.__get_properties(flag))
obj.set_response_code(flag)
obj.result = True
elif flag == "00" and res_type != "210":
obj.set_response_code(flag)
obj.set_text(self.__get_properties(flag))
obj.add_content("status", "WAIT")
obj.add_content("debug", results)
else:
obj.set_response_code(flag)
obj.set_text(self.__get_properties(flag))
obj.add_content("status", "FAIL")
obj.add_content("debug", results)
except Exception as err:
print("More errors: {}".format(err))
return obj