airflow/models/skipmixin.py
def skip(self, dag_run, execution_date, tasks, session=None):
        """
        Sets tasks instances to skipped from the same dag run.

        :param dag_run: the DagRun for which to set the tasks to skipped
        :param execution_date: execution_date
        :param tasks: tasks to skip (not task_ids)
        :param session: db session to use
        """
        if not tasks:
            return

        task_ids = [d.task_id for d in tasks]
        now = timezone.utcnow()

        if dag_run:
            session.query(TaskInstance).filter(
                TaskInstance.dag_id == dag_run.dag_id,
                TaskInstance.execution_date == dag_run.execution_date,
                TaskInstance.task_id.in_(task_ids)
            ).update({TaskInstance.state: State.SKIPPED,
                      TaskInstance.start_date: now,
                      TaskInstance.end_date: now},
                     synchronize_session=False)
            session.commit()
        else:
            assert execution_date is not None, "Execution date is None and no dag run"

            self.log.warning("No DAG RUN present this should not happen")
            # this is defensive against dag runs that are not complete
            for task in tasks:
                ti = TaskInstance(task, execution_date=execution_date)
                ti.state = State.SKIPPED
                ti.start_date = now
                ti.end_date = now
                session.merge(ti)

            session.commit()
def skip(self, dag_run, execution_date, tasks, session=None):
        """
        Sets tasks instances to skipped from the same dag run.

        :param dag_run: the DagRun for which to set the tasks to skipped
        :param execution_date: execution_date
        :param tasks: tasks to skip (not task_ids)
        :param session: db session to use
        """
        if not tasks:
            return

        task_ids = [d.task_id for d in tasks]
        now = timezone.utcnow()

        if dag_run:
            session.query(TaskInstance).filter(
                TaskInstance.dag_id == dag_run.dag_id,
                TaskInstance.execution_date == dag_run.execution_date,
                TaskInstance.task_id.in_(task_ids)
            ).update({TaskInstance.state: State.SKIPPED,
                      TaskInstance.start_date: now,
                      TaskInstance.end_date: now},
                     synchronize_session=False)
            session.commit()
        else:
            assert execution_date is not None, "Execution date is None and no dag run"

            self.log.warning("No DAG RUN present this should not happen")
            # this is defensive against dag runs that are not complete
            for task in tasks:
                ti = TaskInstance(task, execution_date=execution_date)
                ti.state = State.SKIPPED
                ti.start_date = now
                ti.end_date = now
                session.merge(ti)

            session.commit()
def skip ( self , dag_run , execution_date , tasks , session = None ) : if not tasks : return task_ids = [ d . task_id for d in tasks ] now = timezone . utcnow ( ) if dag_run : session . query ( TaskInstance ) . filter ( TaskInstance . dag_id == dag_run . dag_id , TaskInstance . execution_date == dag_run . execution_date , TaskInstance . task_id . in_ ( task_ids ) ) . update ( { TaskInstance . state : State . SKIPPED , TaskInstance . start_date : now , TaskInstance . end_date : now } , synchronize_session = False ) session . commit ( ) else : assert execution_date is not None , "Execution date is None and no dag run" self . log . warning ( "No DAG RUN present this should not happen" ) # this is defensive against dag runs that are not complete for task in tasks : ti = TaskInstance ( task , execution_date = execution_date ) ti . state = State . SKIPPED ti . start_date = now ti . end_date = now session . merge ( ti ) session . commit ( )
Sets tasks instances to skipped from the same dag run.

        :param dag_run: the DagRun for which to set the tasks to skipped
        :param execution_date: execution_date
        :param tasks: tasks to skip (not task_ids)
        :param session: db session to use
Sets tasks instances to skipped from the same dag run .