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Poll Nissan servers for battery updates (#44826)

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bwduncan 2021-07-12 19:57:08 +01:00 committed by GitHub
parent d1f3c20079
commit ee52706f03
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1 changed files with 36 additions and 11 deletions
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47
homeassistant/components/nissan_leaf/__init__.py
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@ -45,7 +45,7 @@ DEFAULT_CLIMATE_INTERVAL = timedelta(minutes=5)
RESTRICTED_BATTERY = 2
RESTRICTED_INTERVAL = timedelta(hours=12)
MAX_RESPONSE_ATTEMPTS = 10
MAX_RESPONSE_ATTEMPTS = 3
PYCARWINGS2_SLEEP = 30
@ -194,6 +194,14 @@ def setup(hass, config):
return True
def _extract_start_date(battery_info):
"""Extract the server date from the battery response."""
try:
return battery_info.answer["BatteryStatusRecords"]["OperationDateAndTime"]
except KeyError:
return None
class LeafDataStore:
"""Nissan Leaf Data Store."""
@ -324,19 +332,24 @@ class LeafDataStore:
self.request_in_progress = False
async_dispatcher_send(self.hass, SIGNAL_UPDATE_LEAF)
@staticmethod
def _extract_start_date(battery_info):
"""Extract the server date from the battery response."""
try:
return battery_info.answer["BatteryStatusRecords"]["OperationDateAndTime"]
except KeyError:
return None
async def async_get_battery(self):
"""Request battery update from Nissan servers."""
try:
# Request battery update from the car
_LOGGER.debug("Requesting battery update, %s", self.leaf.vin)
start_date = None
try:
start_server_info = await self.hass.async_add_executor_job(
self.leaf.get_latest_battery_status
)
except TypeError: # pycarwings2 can fail if Nissan returns nothing
_LOGGER.debug("Battery status check returned nothing")
else:
if not start_server_info:
_LOGGER.debug("Battery status check failed")
else:
start_date = _extract_start_date(start_server_info)
await asyncio.sleep(1) # Critical sleep
request = await self.hass.async_add_executor_job(self.leaf.request_update)
if not request:
_LOGGER.error("Battery update request failed")
@ -364,7 +377,19 @@ class LeafDataStore:
server_info = await self.hass.async_add_executor_job(
self.leaf.get_latest_battery_status
)
return server_info
if not start_date or (
server_info and start_date != _extract_start_date(server_info)
):
return server_info
# get_status_from_update returned {"resultFlag": "1"}
# but the data didn't change, make a fresh request.
await asyncio.sleep(1) # Critical sleep
request = await self.hass.async_add_executor_job(
self.leaf.request_update
)
if not request:
_LOGGER.error("Battery update request failed")
return None
_LOGGER.debug(
"%s attempts exceeded return latest data from server",
@ -379,7 +404,7 @@ class LeafDataStore:
except CarwingsError:
_LOGGER.error("An error occurred getting battery status")
return None
except KeyError:
except (KeyError, TypeError):
_LOGGER.error("An error occurred parsing response from server")
return None