Fix standalone dag processor startup

airflow/cli/commands/local_commands/dag_processor_command.py

@@ -19,39 +19,19 @@
 from __future__ import annotations
 
 import logging
-from datetime import timedelta
-from typing import Any
 
 from airflow.cli.commands.local_commands.daemon_utils import run_command_with_daemon_option
 from airflow.configuration import conf
 from airflow.dag_processing.manager import (
-    DagFileProcessorManager,
     TaskSDKBasedDagCollector,
     reload_configuration_for_dag_processing,
 )
-from airflow.jobs.dag_processor_job_runner import DagProcessorJobRunner
-from airflow.jobs.job import Job
 from airflow.utils import cli as cli_utils
 from airflow.utils.providers_configuration_loader import providers_configuration_loaded
 
 log = logging.getLogger(__name__)
 
 
-def _create_dag_processor_job_runner(args: Any) -> DagProcessorJobRunner:
-    """Create DagFileProcessorProcess instance."""
-    processor_timeout_seconds: int = conf.getint("core", "dag_file_processor_timeout")
-    processor_timeout = timedelta(seconds=processor_timeout_seconds)
-    return DagProcessorJobRunner(
-        job=Job(),
-        processor=DagFileProcessorManager(
-            processor_timeout=processor_timeout,
-            dag_directory=args.subdir,
-            max_runs=args.num_runs,
-            dag_ids=[],
-        ),
-    )
-
-
 @cli_utils.action_cli
 @providers_configuration_loaded
 def dag_processor(args):
@@ -63,9 +43,7 @@ def dag_processor(args):
     # if sql_conn.startswith("sqlite"):
     #     raise SystemExit("Standalone DagProcessor is not supported when using sqlite.")
 
-    # job_runner = _create_dag_processor_job_runner(args)
     collector = TaskSDKBasedDagCollector(dag_directory=args.subdir, max_runs=args.num_runs, parallelism=1)
-    collector.run()
 
     reload_configuration_for_dag_processing()
     run_command_with_daemon_option(

airflow/dag_processing/manager.py

@@ -396,7 +396,9 @@ def _scan_stale_dags(self):
         now = time.monotonic()
         elapsed_time_since_refresh = now - self._last_deactivate_stale_dags_time
         if elapsed_time_since_refresh > self.parsing_cleanup_interval:
-            last_parsed = {fp: stat.last_finish_time for fp, stat in self._file_stats.items()}
+            last_parsed = {
+                fp: stat.last_finish_time for fp, stat in self._file_stats.items() if stat.last_finish_time
+            }
             self.deactivate_stale_dags(
                 last_parsed=last_parsed,
                 dag_directory=self.get_dag_directory(),