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Fix reconnects to gql endpoint after network outage #296

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ic-dev21 merged 2 commits into from
Jun 8, 2025
Merged

Fix reconnects to gql endpoint after network outage #296

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8f25607
subscribe_to_device_updated: Wrap the calls in except in a nested try…
Jun 7, 2025
1b0943a
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ic-dev21 Jun 7, 2025
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2 changes: 1 addition & 1 deletion pyhilo/const.py
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Original file line number Diff line number Diff line change
Expand Up @@ -7,7 +7,7 @@
LOG: Final = logging.getLogger(__package__)
DEFAULT_STATE_FILE: Final = "hilo_state.yaml"
REQUEST_RETRY: Final = 9
PYHILO_VERSION: Final = "2025.5.01"
PYHILO_VERSION: Final = "2025.6.01"
# TODO: Find a way to keep previous line in sync with pyproject.toml automatically

CONTENT_TYPE_FORM: Final = "application/x-www-form-urlencoded"
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19 changes: 16 additions & 3 deletions pyhilo/graphql.py
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Expand Up @@ -546,7 +546,9 @@ async def call_get_location_query(self, location_hilo_id: str) -> None:
async def subscribe_to_device_updated(
self, location_hilo_id: str, callback: callable = None
) -> None:
LOG.debug("subscribe_to_device_updated called")
while True: # Loop to reconnect if the connection is lost
LOG.debug("subscribe_to_device_updated while true")
access_token = await self._get_access_token()
transport = WebsocketsTransport(
url=f"wss://platform.hiloenergie.com/api/digital-twin/v3/graphql?access_token={access_token}"
Expand All @@ -558,14 +560,25 @@ async def subscribe_to_device_updated(
async for result in session.subscribe(
query, variable_values={"locationHiloId": location_hilo_id}
):
LOG.debug(f"Received subscription result {result}")
LOG.debug(
f"subscribe_to_device_updated: Received subscription result {result}"
)
device_hilo_id = self._handle_device_subscription_result(result)
if callback:
callback(device_hilo_id)
except Exception as e:
LOG.debug(f"Connection lost: {e}. Reconnecting in 5 seconds...")
LOG.debug(
f"subscribe_to_device_updated: Connection lost: {e}. Reconnecting in 5 seconds..."
)
await asyncio.sleep(5)
await self.call_get_location_query(location_hilo_id)
try:
await self.call_get_location_query(location_hilo_id)
LOG.debug("subscribe_to_device_updated, call_get_location_query success")

except Exception as e2:
LOG.error(
f"subscribe_to_device_updated, exception while reconnecting, retrying: {e2}"
)

async def subscribe_to_location_updated(
self, location_hilo_id: str, callback: callable = None
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2 changes: 1 addition & 1 deletion pyproject.toml
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Expand Up @@ -40,7 +40,7 @@ exclude = ".venv/.*"

[tool.poetry]
name = "python-hilo"
version = "2025.5.1"
version = "2025.6.1"
description = "A Python3, async interface to the Hilo API"
readme = "README.md"
authors = ["David Vallee Delisle <[email protected]>"]
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