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Modify DataUpdateCoordinator example with async_config_entry_first_refresh #870

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bdraco merged 1 commit into from
Mar 29, 2021
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Modify DataUpdateCoordinator example with async_config_entry_first_refresh #870

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10 changes: 9 additions & 1 deletion docs/integration_fetching_data.md
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Original file line number Diff line number Diff line change
Expand Up @@ -76,8 +76,16 @@ async def async_setup_entry(hass, entry, async_add_entities):
update_interval=timedelta(seconds=30),
)

#
# Fetch initial data so we have data when entities subscribe
await coordinator.async_refresh()
#
# If the refresh fails, async_config_entry_first_refresh will
# raise ConfigEntryNotReady and setup will try again later
#
# If you do not want to retry setup on failure, use
# coordinator.async_refresh() instead
#
await coordinator.async_config_entry_first_refresh()

async_add_entities(
MyEntity(coordinator, idx) for idx, ent in enumerate(coordinator.data)
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