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Pass `AssetStateStoreAccessors` into `response_check_path` Callable in `HttpEventTrigger`

apache/airflow#70074·46929·Python·65 天未动·1 条评论·上游最近活跃 ·池内状态:可认领
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上游 issue 正文

### Description In this example (https://airflow.apache.org/docs/apache-airflow-providers-http/stable/triggers.html), the `asgiref.sync.sync_to_async` function is used in tandem with `Variable.get/set` to retrieve and persist data used in `response_check_path`. It looks a bit like this: ```python ... async def check_github_api_response(response): data = response.json() release_id = str(data["id"]) # Using async Variable.get get_variable_sync = sync_to_async(Variable.get) previous_release_id = await get_variable_sync(key="release_id_var", default=None) if release_id == previous_release_id: return False release_name = data["name"] release_html_url = data["html_url"] # Using async Variable.set set_variable_sync = sync_to_async(Variable.set) await set_variable_sync(key="release_id_var", value=str(release_id)) await set_variable_sync(key="release_name_var", value=release_name) await set_variable_sync(key="release_html_url_var", value=release_html_url) return True ... ``` With the work done in AIP-103, `AssetStateStoreAccessors` is available to a `BaseEventTrigger` using the `asset_state_store` attribute. This allows for Triggers to read and persist state for an Asset. I'd recommend updating the `_run_response_check` method in `HttpEventTrigger` to pass `self.asset_state_store` to the `response_check` function, like this. This would allow for `HttpEventTrigger` users to use the supported tooling to retrieving and persisting data. ```python ... async def _run_response_check(self, response) -> bool: """Run the response_check callable provided by the user.""" response_check = await self._import_from_response_check_path() if not inspect.iscoroutinefunction(response_check): raise AirflowException("The response_check callable is not asynchronous.") check = await response_check(response, self.asset_state_store) # Make the change here return check ... ``` Permalink: https://github.com/apa…
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