utkarsharma2 commented on issue #27929:
URL: https://github.com/apache/airflow/issues/27929#issuecomment-1352581085
@o-nikolas I tried using the below code to get the Executor, which leads to
a circular dependency error.
```
executor_cls, _ = ExecutorLoader.import_executor_cls(conf.get("core",
"executor"))
is_executor_without_sqlite_support = executor_cls.supports_ad_hoc_ti_run
```
Error:
```
/Users/utkarsharma/sandbox/airflow-sandbox/env3.8/bin/python
"/Applications/PyCharm
CE.app/Contents/plugins/python-ce/helpers/pycharm/_jb_pytest_runner.py"
--target
test_configuration.py::TestDeprecatedConf.test_deprecated_env_vars_upgraded_and_removed
Testing started at 10:41 AM ...
Launching pytest with arguments
test_configuration.py::TestDeprecatedConf::test_deprecated_env_vars_upgraded_and_removed
--no-header --no-summary -q in
/Users/utkarsharma/sandbox/airflow-sandbox/airflow/tests/core
ImportError while loading conftest
'/Users/utkarsharma/sandbox/airflow-sandbox/airflow/tests/conftest.py'.
../conftest.py:41: in <module>
from airflow import settings # noqa: E402
../../airflow/__init__.py:35: in <module>
from airflow import settings
../../airflow/settings.py:37: in <module>
from airflow.configuration import AIRFLOW_HOME, WEBSERVER_CONFIG, conf
# NOQA F401
../../airflow/configuration.py:1752: in <module>
conf.validate()
../../airflow/configuration.py:341: in validate
self._validate_config_dependencies()
../../airflow/configuration.py:438: in _validate_config_dependencies
executor_cls, _ = ExecutorLoader.import_executor_cls(conf.get("core",
"executor"))
../../airflow/executors/executor_loader.py:128: in import_executor_cls
return import_string(cls.executors[executor_name]), ConnectorSource.CORE
../../airflow/utils/module_loading.py:36: in import_string
module = import_module(module_path)
../../airflow/executors/sequential_executor.py:30: in <module>
from airflow.executors.base_executor import BaseExecutor, CommandType
../../airflow/executors/base_executor.py:29: in <module>
from airflow.models.taskinstance import TaskInstance, TaskInstanceKey
../../airflow/models/taskinstance.py:70: in <module>
from airflow.datasets.manager import dataset_manager
../../airflow/datasets/manager.py:27: in <module>
from airflow.models.dataset import DatasetDagRunQueue, DatasetEvent,
DatasetModel
../../airflow/models/dataset.py:40: in <module>
from airflow.utils import timezone
../../airflow/utils/timezone.py:27: in <module>
from airflow.settings import TIMEZONE
E ImportError: cannot import name 'TIMEZONE' from partially initialized
module 'airflow.settings' (most likely due to a circular import)
(/Users/utkarsharma/sandbox/airflow-sandbox/airflow/airflow/settings.py)
```
Is there any other way we can access the `supports_ad_hoc_ti_run` of an
executor in `configuration.py` ???
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