def shutdown(self) -> None:
"""Shut down the AppSession.
It's an error to use a AppSession after it's been shut down.
"""
if self._state != AppSessionState.SHUTDOWN_REQUESTED:
LOGGER.debug("Shutting down (id=%s)", self.id)
# Clear any unused session files in upload file manager and media
# file manager
self._uploaded_file_mgr.remove_session_files(self.id)
in_memory_file_manager.clear_session_files(self.id)
in_memory_file_manager.del_expired_files()
# Shut down the ScriptRunner, if one is active.
# self._state must not be set to SHUTDOWN_REQUESTED until
# after this is called.
if self._scriptrunner is not None:
self._enqueue_script_request(ScriptRequest.SHUTDOWN)
self._state = AppSessionState.SHUTDOWN_REQUESTED
self._local_sources_watcher.close()
if self._stop_config_listener is not None:
self._stop_config_listener()
secrets._file_change_listener.disconnect(
self._on_secrets_file_changed)
def _on_script_finished(self, ctx: ScriptRunContext) -> None:
"""Called when our script finishes executing, even if it finished
early with an exception. We perform post-run cleanup here.
"""
self._session_state.reset_triggers()
self._session_state.cull_nonexistent(ctx.widget_ids_this_run)
# Signal that the script has finished. (We use SCRIPT_STOPPED_WITH_SUCCESS
# even if we were stopped with an exception.)
self.on_event.send(ScriptRunnerEvent.SCRIPT_STOPPED_WITH_SUCCESS)
# Delete expired files now that the script has run and files in use
# are marked as active.
in_memory_file_manager.del_expired_files()
# Force garbage collection to run, to help avoid memory use building up
# This is usually not an issue, but sometimes GC takes time to kick in and
# causes apps to go over resource limits, and forcing it to run between
# script runs is low cost, since we aren't doing much work anyway.
if config.get_option("runner.postScriptGC"):
gc.collect(2)