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Handle missing metrics in SEP payload

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Ben Roberts
2020-09-06 10:58:29 +01:00
parent 84c3be497d
commit 72cf336947
1 changed files with 29 additions and 17 deletions
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46
energy_usage/sep.py
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@@ -11,26 +11,38 @@ def parse_sep(topic, payload_str):
:param topic: str Topic SEP payload was received from
:param payload_str: str SEP payload message as a string
:return:
:return:
"""
def _get_metric(path, type=int):
value = payload
try:
for hop in path:
value = value[hop]
if type is int:
return int(value, 16)
else:
return type(value)
except KeyError:
return None
payload = json.loads(payload_str)
timestamp = datetime.datetime.fromtimestamp(payload["gmtime"], tz=datetime.timezone.utc)
electricity_consumption = int(payload["elecMtr"]["0702"]["04"]["00"], 16)
electricity_daily_consumption = int(payload["elecMtr"]["0702"]["04"]["01"], 16)
electricity_weekly_consumption = int(payload["elecMtr"]["0702"]["04"]["30"], 16)
electricity_monthly_consumption = int(payload["elecMtr"]["0702"]["04"]["40"], 16)
electricity_multiplier = int(payload["elecMtr"]["0702"]["03"]["01"], 16)
electricity_divisor = int(payload["elecMtr"]["0702"]["03"]["02"], 16)
electricity_meter = int(payload["elecMtr"]["0702"]["00"]["00"], 16)
electricity_mpan = payload["elecMtr"]["0702"]["03"]["07"]
gas_daily_consumption = int(payload["gasMtr"]["0702"]["0C"]["01"], 16)
gas_weekly_consumption = int(payload["gasMtr"]["0702"]["0C"]["30"], 16)
gas_monthly_consumption = int(payload["gasMtr"]["0702"]["0C"]["40"], 16)
gas_multiplier = int(payload["gasMtr"]["0702"]["03"]["01"], 16)
gas_divisor = int(payload["gasMtr"]["0702"]["03"]["02"], 16)
gas_meter = int(payload["gasMtr"]["0702"]["00"]["00"], 16)
gas_mpan = payload["gasMtr"]["0702"]["03"]["07"]
device_gid = payload["gid"]
electricity_consumption = _get_metric(["elecMtr", "0702", "04", "00"])
electricity_daily_consumption = _get_metric(["elecMtr", "0702", "04", "01"])
electricity_weekly_consumption = _get_metric(["elecMtr", "0702", "04", "30"])
electricity_monthly_consumption = _get_metric(["elecMtr", "0702", "04", "40"])
electricity_multiplier = _get_metric(["elecMtr", "0702", "03", "01"])
electricity_divisor = _get_metric(["elecMtr", "0702", "03", "02"])
electricity_meter = _get_metric(["elecMtr", "0702", "00", "00"])
electricity_mpan = _get_metric(["elecMtr", "0702", "03", "07"], str)
gas_daily_consumption = _get_metric(["gasMtr", "0702", "0C", "01"])
gas_weekly_consumption = _get_metric(["gasMtr", "0702", "0C", "30"])
gas_monthly_consumption = _get_metric(["gasMtr", "0702", "0C", "40"])
gas_multiplier = _get_metric(["gasMtr", "0702", "03", "01"])
gas_divisor = _get_metric(["gasMtr", "0702", "03", "02"])
gas_meter = _get_metric(["gasMtr", "0702", "00", "00"])
gas_mpan = _get_metric(["gasMtr", "0702", "03", "07"], str)
device_gid = _get_metric(["gid"], str)
assert(int(payload["elecMtr"]["0702"]["03"]["00"], 16) == 0) # kWh
assert(int(payload["gasMtr"]["0702"]["03"]["01"], 16) == 1) # m3