def read_as_object(self):
"""
Read complete DSMR telegram's from remote and return a Telegram object.
:rtype: generator
"""
buffer = b""
with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as socket_handle:
socket_handle.connect((self.host, self.port))
while True:
buffer += socket_handle.recv(self.BUFFER_SIZE)
lines = buffer.splitlines(keepends=True)
if len(lines) == 0:
continue
for data in lines:
self.telegram_buffer.append(data.decode('ascii'))
for telegram in self.telegram_buffer.get_all():
try:
yield Telegram(telegram, self.telegram_parser, self.telegram_specification)
except InvalidChecksumError as e:
logger.warning(str(e))
except ParseError as e:
logger.error('Failed to parse telegram: %s', e)
buffer = b""
def test_instantiate(self):
parser = TelegramParser(telegram_specifications.V4)
telegram = Telegram(TELEGRAM_V4_2, parser, telegram_specifications.V4)
# P1_MESSAGE_HEADER (1-3:0.2.8)
testitem = telegram.P1_MESSAGE_HEADER
assert isinstance(testitem, CosemObject)
assert testitem.unit is None
assert testitem.value == '42'
def test_power_event_log_empty_1(self):
# POWER_EVENT_FAILURE_LOG (1-0:99.97.0)
parser = TelegramParser(telegram_specifications.V5)
telegram = Telegram(TELEGRAM_V5, parser, telegram_specifications.V5)
object_type = ProfileGenericObject
testitem = telegram.POWER_EVENT_FAILURE_LOG
assert isinstance(testitem, object_type)
assert testitem.buffer_length == 0
assert testitem.buffer_type == '0-0:96.7.19'
buffer = testitem.buffer
assert isinstance(testitem.buffer, list)
assert len(buffer) == 0
def read_as_object(self):
"""
Read complete DSMR telegram's from a files tail and return a Telegram object.
:rtype: generator
"""
with open(self._file, "rb") as file_handle:
for data in tailer.follow(file_handle):
str = data.decode()
self.telegram_buffer.append(str)
for telegram in self.telegram_buffer.get_all():
try:
yield Telegram(telegram, self.telegram_parser,
self.telegram_specification)
except InvalidChecksumError as e:
logger.warning(str(e))
except ParseError as e:
logger.error('Failed to parse telegram: %s', e)
def read_as_object(self):
"""
Read complete DSMR telegram's from the serial interface and return a Telegram object.
:rtype: generator
"""
with serial.Serial(**self.serial_settings) as serial_handle:
while True:
data = serial_handle.readline()
self.telegram_buffer.append(data.decode('ascii'))
for telegram in self.telegram_buffer.get_all():
try:
yield Telegram(telegram, self.telegram_parser, self.telegram_specification)
except InvalidChecksumError as e:
logger.warning(str(e))
except ParseError as e:
logger.error('Failed to parse telegram: %s', e)
def read_as_object(self):
"""
Read complete DSMR telegram's from stdin of filearguments specified on teh command line
and return a Telegram object.
:rtype: generator
"""
with fileinput.input(mode='rb') as file_handle:
while True:
data = file_handle.readline()
str = data.decode()
self.telegram_buffer.append(str)
for telegram in self.telegram_buffer.get_all():
try:
yield Telegram(telegram, self.telegram_parser,
self.telegram_specification)
except InvalidChecksumError as e:
logger.warning(str(e))
except ParseError as e:
logger.error('Failed to parse telegram: %s', e)
def read_as_object(self):
"""
Read complete DSMR telegram's from a file and return a Telegram object.
:rtype: generator
"""
with open(self._file, "rb") as file_handle:
while True:
data = file_handle.readline()
if not data:
break
self.telegram_buffer.append(data.decode())
for telegram in self.telegram_buffer.get_all():
try:
yield Telegram(telegram, self.telegram_parser,
self.telegram_specification)
except InvalidChecksumError as e:
logger.warning(str(e))
except ParseError as e:
logger.error('Failed to parse telegram: %s', e)
def test_instantiate(self):
parser = TelegramParser(telegram_specifications.V4)
telegram = Telegram(TELEGRAM_V4_2, parser, telegram_specifications.V4)
# P1_MESSAGE_HEADER (1-3:0.2.8)
self.verify_telegram_item(telegram,
'P1_MESSAGE_HEADER',
object_type=CosemObject,
unit_val=None,
value_type=str,
value_val='42')
# P1_MESSAGE_TIMESTAMP (0-0:1.0.0)
self.verify_telegram_item(telegram,
'P1_MESSAGE_TIMESTAMP',
CosemObject,
unit_val=None,
value_type=datetime.datetime,
value_val=datetime.datetime(2016,
11,
13,
19,
57,
57,
tzinfo=pytz.UTC))
# ELECTRICITY_USED_TARIFF_1 (1-0:1.8.1)
self.verify_telegram_item(telegram,
'ELECTRICITY_USED_TARIFF_1',
object_type=CosemObject,
unit_val='kWh',
value_type=Decimal,
value_val=Decimal('1581.123'))
# ELECTRICITY_USED_TARIFF_2 (1-0:1.8.2)
self.verify_telegram_item(telegram,
'ELECTRICITY_USED_TARIFF_2',
object_type=CosemObject,
unit_val='kWh',
value_type=Decimal,
value_val=Decimal('1435.706'))
# ELECTRICITY_DELIVERED_TARIFF_1 (1-0:2.8.1)
self.verify_telegram_item(telegram,
'ELECTRICITY_DELIVERED_TARIFF_1',
object_type=CosemObject,
unit_val='kWh',
value_type=Decimal,
value_val=Decimal('0'))
# ELECTRICITY_DELIVERED_TARIFF_2 (1-0:2.8.2)
self.verify_telegram_item(telegram,
'ELECTRICITY_DELIVERED_TARIFF_2',
object_type=CosemObject,
unit_val='kWh',
value_type=Decimal,
value_val=Decimal('0'))
# ELECTRICITY_ACTIVE_TARIFF (0-0:96.14.0)
self.verify_telegram_item(telegram,
'ELECTRICITY_ACTIVE_TARIFF',
object_type=CosemObject,
unit_val=None,
value_type=str,
value_val='0002')
# EQUIPMENT_IDENTIFIER (0-0:96.1.1)
self.verify_telegram_item(
telegram,
'EQUIPMENT_IDENTIFIER',
object_type=CosemObject,
unit_val=None,
value_type=str,
value_val='3960221976967177082151037881335713')
# CURRENT_ELECTRICITY_USAGE (1-0:1.7.0)
self.verify_telegram_item(telegram,
'CURRENT_ELECTRICITY_USAGE',
object_type=CosemObject,
unit_val='kW',
value_type=Decimal,
value_val=Decimal('2.027'))
# CURRENT_ELECTRICITY_DELIVERY (1-0:2.7.0)
self.verify_telegram_item(telegram,
'CURRENT_ELECTRICITY_DELIVERY',
object_type=CosemObject,
unit_val='kW',
value_type=Decimal,
value_val=Decimal('0'))
# SHORT_POWER_FAILURE_COUNT (1-0:96.7.21)
self.verify_telegram_item(telegram,
'SHORT_POWER_FAILURE_COUNT',
object_type=CosemObject,
unit_val=None,
value_type=int,
value_val=15)
# LONG_POWER_FAILURE_COUNT (96.7.9)
self.verify_telegram_item(telegram,
'LONG_POWER_FAILURE_COUNT',
object_type=CosemObject,
unit_val=None,
value_type=int,
value_val=7)
# VOLTAGE_SAG_L1_COUNT (1-0:32.32.0)
self.verify_telegram_item(telegram,
'VOLTAGE_SAG_L1_COUNT',
object_type=CosemObject,
unit_val=None,
value_type=int,
value_val=0)
# VOLTAGE_SAG_L2_COUNT (1-0:52.32.0)
self.verify_telegram_item(telegram,
'VOLTAGE_SAG_L2_COUNT',
object_type=CosemObject,
unit_val=None,
value_type=int,
value_val=0)
# VOLTAGE_SAG_L3_COUNT (1-0:72.32.0)
self.verify_telegram_item(telegram,
'VOLTAGE_SAG_L3_COUNT',
object_type=CosemObject,
unit_val=None,
value_type=int,
value_val=0)
# VOLTAGE_SWELL_L1_COUNT (1-0:32.36.0)
self.verify_telegram_item(telegram,
'VOLTAGE_SWELL_L1_COUNT',
object_type=CosemObject,
unit_val=None,
value_type=int,
value_val=0)
# VOLTAGE_SWELL_L2_COUNT (1-0:52.36.0)
self.verify_telegram_item(telegram,
'VOLTAGE_SWELL_L2_COUNT',
object_type=CosemObject,
unit_val=None,
value_type=int,
value_val=0)
# VOLTAGE_SWELL_L3_COUNT (1-0:72.36.0)
self.verify_telegram_item(telegram,
'VOLTAGE_SWELL_L3_COUNT',
object_type=CosemObject,
unit_val=None,
value_type=int,
value_val=0)
# TEXT_MESSAGE_CODE (0-0:96.13.1)
self.verify_telegram_item(telegram,
'TEXT_MESSAGE_CODE',
object_type=CosemObject,
unit_val=None,
value_type=type(None),
value_val=None)
# TEXT_MESSAGE (0-0:96.13.0)
self.verify_telegram_item(telegram,
'TEXT_MESSAGE',
object_type=CosemObject,
unit_val=None,
value_type=type(None),
value_val=None)
# INSTANTANEOUS_CURRENT_L1 (1-0:31.7.0)
self.verify_telegram_item(telegram,
'INSTANTANEOUS_CURRENT_L1',
object_type=CosemObject,
unit_val='A',
value_type=Decimal,
value_val=Decimal('0'))
# INSTANTANEOUS_CURRENT_L2 (1-0:51.7.0)
self.verify_telegram_item(telegram,
'INSTANTANEOUS_CURRENT_L2',
object_type=CosemObject,
unit_val='A',
value_type=Decimal,
value_val=Decimal('6'))
# INSTANTANEOUS_CURRENT_L3 (1-0:71.7.0)
self.verify_telegram_item(telegram,
'INSTANTANEOUS_CURRENT_L3',
object_type=CosemObject,
unit_val='A',
value_type=Decimal,
value_val=Decimal('2'))
# DEVICE_TYPE (0-x:24.1.0)
self.verify_telegram_item(telegram,
'DEVICE_TYPE',
object_type=CosemObject,
unit_val=None,
value_type=int,
value_val=3)
# INSTANTANEOUS_ACTIVE_POWER_L1_POSITIVE (1-0:21.7.0)
self.verify_telegram_item(telegram,
'INSTANTANEOUS_ACTIVE_POWER_L1_POSITIVE',
object_type=CosemObject,
unit_val='kW',
value_type=Decimal,
value_val=Decimal('0.170'))
# INSTANTANEOUS_ACTIVE_POWER_L2_POSITIVE (1-0:41.7.0)
self.verify_telegram_item(telegram,
'INSTANTANEOUS_ACTIVE_POWER_L2_POSITIVE',
object_type=CosemObject,
unit_val='kW',
value_type=Decimal,
value_val=Decimal('1.247'))
# INSTANTANEOUS_ACTIVE_POWER_L3_POSITIVE (1-0:61.7.0)
self.verify_telegram_item(telegram,
'INSTANTANEOUS_ACTIVE_POWER_L3_POSITIVE',
object_type=CosemObject,
unit_val='kW',
value_type=Decimal,
value_val=Decimal('0.209'))
# INSTANTANEOUS_ACTIVE_POWER_L1_NEGATIVE (1-0:22.7.0)
self.verify_telegram_item(telegram,
'INSTANTANEOUS_ACTIVE_POWER_L1_NEGATIVE',
object_type=CosemObject,
unit_val='kW',
value_type=Decimal,
value_val=Decimal('0'))
# INSTANTANEOUS_ACTIVE_POWER_L2_NEGATIVE (1-0:42.7.0)
self.verify_telegram_item(telegram,
'INSTANTANEOUS_ACTIVE_POWER_L2_NEGATIVE',
object_type=CosemObject,
unit_val='kW',
value_type=Decimal,
value_val=Decimal('0'))
# INSTANTANEOUS_ACTIVE_POWER_L3_NEGATIVE (1-0:62.7.0)
self.verify_telegram_item(telegram,
'INSTANTANEOUS_ACTIVE_POWER_L3_NEGATIVE',
object_type=CosemObject,
unit_val='kW',
value_type=Decimal,
value_val=Decimal('0'))
# EQUIPMENT_IDENTIFIER_GAS (0-x:96.1.0)
self.verify_telegram_item(
telegram,
'EQUIPMENT_IDENTIFIER_GAS',
object_type=CosemObject,
unit_val=None,
value_type=str,
value_val='4819243993373755377509728609491464')
# HOURLY_GAS_METER_READING (0-1:24.2.1)
self.verify_telegram_item(telegram,
'HOURLY_GAS_METER_READING',
object_type=MBusObject,
unit_val='m3',
value_type=Decimal,
value_val=Decimal('981.443'))
# POWER_EVENT_FAILURE_LOG (1-0:99.97.0)
testitem_name = 'POWER_EVENT_FAILURE_LOG'
object_type = ProfileGenericObject
testitem = eval("telegram.{}".format(testitem_name))
assert isinstance(testitem, object_type)
assert testitem.buffer_length == 3
assert testitem.buffer_type == '0-0:96.7.19'
buffer = testitem.buffer
assert isinstance(testitem.buffer, list)
assert len(buffer) == 3
assert all([isinstance(item, MBusObject) for item in buffer])
date0 = datetime.datetime(2000,
1,
4,
17,
3,
20,
tzinfo=datetime.timezone.utc)
date1 = datetime.datetime(1999,
12,
31,
23,
0,
1,
tzinfo=datetime.timezone.utc)
date2 = datetime.datetime(2000,
1,
1,
23,
0,
3,
tzinfo=datetime.timezone.utc)
assert buffer[0].datetime == date0
assert buffer[1].datetime == date1
assert buffer[2].datetime == date2
assert buffer[0].value == 237126
assert buffer[1].value == 2147583646
assert buffer[2].value == 2317482647
assert all([isinstance(item.value, int) for item in buffer])
assert all([isinstance(item.unit, str) for item in buffer])
assert all([(item.unit == 's') for item in buffer])
self.item_names_tested.append(testitem_name)
# check if all items in telegram V4 specification are covered
V4_name_list = [
obis_name_mapping.EN[signature] for signature, parser in
telegram_specifications.V4['objects'].items()
]
V4_name_set = set(V4_name_list)
item_names_tested_set = set(self.item_names_tested)
assert item_names_tested_set == V4_name_set
def test_instantiate(self):
parser = TelegramParser(telegram_specifications.V4)
#result = parser.parse(TELEGRAM_V4_2)
telegram = Telegram(TELEGRAM_V4_2, parser, telegram_specifications.V4)
from dsmr_parser import telegram_specifications from dsmr_parser.objects import Telegram from dsmr_parser.parsers import TelegramParser from example_telegrams import TELEGRAM_V4_2 parser = TelegramParser(telegram_specifications.V4) telegram = Telegram(TELEGRAM_V4_2, parser, telegram_specifications.V4) print(telegram)