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Document get_reauth_entry and get_reconfigure_entry helpers (#2347)

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docs/config_entries_config_flow_handler.md
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@ -291,6 +291,10 @@ class ExampleConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
) )
``` ```
Please note that checking whether you are in a reconfigure flow can be done using `if self.source == SOURCE_RECONFIGURE`.
It is also possible to access the corresponding config entry using `self._get_reconfigure_entry()`.
## Reauthentication ## Reauthentication
Gracefully handling authentication errors such as invalid, expired, or revoked tokens is needed to advance on the [Integration Quality Scale](integration_quality_scale_index.md). This example of how to add reauth to the OAuth flow created by `script.scaffold` following the pattern in [Building a Python library](api_lib_auth.md#oauth2). Gracefully handling authentication errors such as invalid, expired, or revoked tokens is needed to advance on the [Integration Quality Scale](integration_quality_scale_index.md). This example of how to add reauth to the OAuth flow created by `script.scaffold` following the pattern in [Building a Python library](api_lib_auth.md#oauth2).
@ -328,15 +332,10 @@ class OAuth2FlowHandler(
): ):
"""Config flow to handle OAuth2 authentication.""" """Config flow to handle OAuth2 authentication."""
reauth_entry: ConfigEntry | None = None
async def async_step_reauth( async def async_step_reauth(
self, entry_data: Mapping[str, Any] self, entry_data: Mapping[str, Any]
) -> ConfigFlowResult: ) -> ConfigFlowResult:
"""Perform reauth upon an API authentication error.""" """Perform reauth upon an API authentication error."""
self.reauth_entry = self.hass.config_entries.async_get_entry(
self.context["entry_id"]
)
return await self.async_step_reauth_confirm() return await self.async_step_reauth_confirm()
async def async_step_reauth_confirm( async def async_step_reauth_confirm(
@ -352,9 +351,9 @@ class OAuth2FlowHandler(
async def async_oauth_create_entry(self, data: dict) -> dict: async def async_oauth_create_entry(self, data: dict) -> dict:
"""Create an oauth config entry or update existing entry for reauth.""" """Create an oauth config entry or update existing entry for reauth."""
if self.reauth_entry: if self.source == SOURCE_REAUTH:
return self.async_update_reload_and_abort( return self.async_update_reload_and_abort(
self.reauth_entry, self._get_reauth_entry(),
data=data, data=data,
) )
return await super().async_oauth_create_entry(data) return await super().async_oauth_create_entry(data)
@ -388,6 +387,9 @@ Authentication failures (such as a revoked oauth token) can be a little tricky t
Automated tests should verify that the reauth flow updates the existing config entry and does not create additional entries. Automated tests should verify that the reauth flow updates the existing config entry and does not create additional entries.
Please note that checking whether you are in a reauthentication flow can be done using `if self.source == SOURCE_REAUTH`.
It is also possible to access the corresponding config entry using `self._get_reauth_entry()`.
## Testing your config flow ## Testing your config flow
Integrations with a config flow require full test coverage of all code in `config_flow.py` to be accepted into core. [Test your code](development_testing.md#running-a-limited-test-suite) includes more details on how to generate a coverage report. Integrations with a config flow require full test coverage of all code in `config_flow.py` to be accepted into core. [Test your code](development_testing.md#running-a-limited-test-suite) includes more details on how to generate a coverage report.