Xcom pull returns a NameError on `ti`












0















I'm trying to push into xcom a value with key last_date in last_date_task and then pull it from xcom in second task ga_wh_task. when I test this dag by running python dag.py it returns an error at this line like:



    provide_context=True, since={{ti.xcom_pull(task_ids="last_date_task", key='last_date')}})
NameError: name 'ti' is not defined


What am I doing wrong here? I've tried using task_instance instead of ti and context['ti'] instead of kwargs['ti']



Here's the dag file:



default_args = {
'owner': 'me',
'start_date': dt.datetime(2017, 10, 30),
'retries': 1,
'retry_delay': dt.timedelta(minutes=10),
'provide_context' : True,
}



def get_last_date(**kwargs):
kwargs['ti'].xcom_push(key='last_date', value='2018-11-15')
return True



with DAG('ga_mysql_dag2',
default_args=default_args,
schedule_interval=None,
catchup=False,
) as dag:

last_date_task = PythonOperator(task_id='last_date_task', python_callable=get_last_date, provide_context=True)

ga_wh_task = GoogleAnalyticsReportingToMySqlOperator(task_id='ga_wh_task', google_analytics_conn_id='google_analytics', key_file=key_file,
view_id=view_id, until=until, dimensions=dimensions, metrics=metrics, database=database,
table = table, mysql_conn_id = mysql_conn_id,
provide_context=True, since={{ti.xcom_pull(task_ids="last_date_task", key='last_date')}})
sleep = BashOperator(task_id='sleep', bash_command='sleep 10')

# Dependencies
last_date_task >> ga_warehouse_task >> sleep









share|improve this question





























    0















    I'm trying to push into xcom a value with key last_date in last_date_task and then pull it from xcom in second task ga_wh_task. when I test this dag by running python dag.py it returns an error at this line like:



        provide_context=True, since={{ti.xcom_pull(task_ids="last_date_task", key='last_date')}})
    NameError: name 'ti' is not defined


    What am I doing wrong here? I've tried using task_instance instead of ti and context['ti'] instead of kwargs['ti']



    Here's the dag file:



    default_args = {
    'owner': 'me',
    'start_date': dt.datetime(2017, 10, 30),
    'retries': 1,
    'retry_delay': dt.timedelta(minutes=10),
    'provide_context' : True,
    }



    def get_last_date(**kwargs):
    kwargs['ti'].xcom_push(key='last_date', value='2018-11-15')
    return True



    with DAG('ga_mysql_dag2',
    default_args=default_args,
    schedule_interval=None,
    catchup=False,
    ) as dag:

    last_date_task = PythonOperator(task_id='last_date_task', python_callable=get_last_date, provide_context=True)

    ga_wh_task = GoogleAnalyticsReportingToMySqlOperator(task_id='ga_wh_task', google_analytics_conn_id='google_analytics', key_file=key_file,
    view_id=view_id, until=until, dimensions=dimensions, metrics=metrics, database=database,
    table = table, mysql_conn_id = mysql_conn_id,
    provide_context=True, since={{ti.xcom_pull(task_ids="last_date_task", key='last_date')}})
    sleep = BashOperator(task_id='sleep', bash_command='sleep 10')

    # Dependencies
    last_date_task >> ga_warehouse_task >> sleep









    share|improve this question



























      0












      0








      0








      I'm trying to push into xcom a value with key last_date in last_date_task and then pull it from xcom in second task ga_wh_task. when I test this dag by running python dag.py it returns an error at this line like:



          provide_context=True, since={{ti.xcom_pull(task_ids="last_date_task", key='last_date')}})
      NameError: name 'ti' is not defined


      What am I doing wrong here? I've tried using task_instance instead of ti and context['ti'] instead of kwargs['ti']



      Here's the dag file:



      default_args = {
      'owner': 'me',
      'start_date': dt.datetime(2017, 10, 30),
      'retries': 1,
      'retry_delay': dt.timedelta(minutes=10),
      'provide_context' : True,
      }



      def get_last_date(**kwargs):
      kwargs['ti'].xcom_push(key='last_date', value='2018-11-15')
      return True



      with DAG('ga_mysql_dag2',
      default_args=default_args,
      schedule_interval=None,
      catchup=False,
      ) as dag:

      last_date_task = PythonOperator(task_id='last_date_task', python_callable=get_last_date, provide_context=True)

      ga_wh_task = GoogleAnalyticsReportingToMySqlOperator(task_id='ga_wh_task', google_analytics_conn_id='google_analytics', key_file=key_file,
      view_id=view_id, until=until, dimensions=dimensions, metrics=metrics, database=database,
      table = table, mysql_conn_id = mysql_conn_id,
      provide_context=True, since={{ti.xcom_pull(task_ids="last_date_task", key='last_date')}})
      sleep = BashOperator(task_id='sleep', bash_command='sleep 10')

      # Dependencies
      last_date_task >> ga_warehouse_task >> sleep









      share|improve this question
















      I'm trying to push into xcom a value with key last_date in last_date_task and then pull it from xcom in second task ga_wh_task. when I test this dag by running python dag.py it returns an error at this line like:



          provide_context=True, since={{ti.xcom_pull(task_ids="last_date_task", key='last_date')}})
      NameError: name 'ti' is not defined


      What am I doing wrong here? I've tried using task_instance instead of ti and context['ti'] instead of kwargs['ti']



      Here's the dag file:



      default_args = {
      'owner': 'me',
      'start_date': dt.datetime(2017, 10, 30),
      'retries': 1,
      'retry_delay': dt.timedelta(minutes=10),
      'provide_context' : True,
      }



      def get_last_date(**kwargs):
      kwargs['ti'].xcom_push(key='last_date', value='2018-11-15')
      return True



      with DAG('ga_mysql_dag2',
      default_args=default_args,
      schedule_interval=None,
      catchup=False,
      ) as dag:

      last_date_task = PythonOperator(task_id='last_date_task', python_callable=get_last_date, provide_context=True)

      ga_wh_task = GoogleAnalyticsReportingToMySqlOperator(task_id='ga_wh_task', google_analytics_conn_id='google_analytics', key_file=key_file,
      view_id=view_id, until=until, dimensions=dimensions, metrics=metrics, database=database,
      table = table, mysql_conn_id = mysql_conn_id,
      provide_context=True, since={{ti.xcom_pull(task_ids="last_date_task", key='last_date')}})
      sleep = BashOperator(task_id='sleep', bash_command='sleep 10')

      # Dependencies
      last_date_task >> ga_warehouse_task >> sleep






      python-3.x airflow airflow-scheduler apache-airflow-xcom






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      edited Nov 16 '18 at 10:23









      kaxil

      3,723928




      3,723928










      asked Nov 16 '18 at 6:42









      Nihal SangeethNihal Sangeeth

      620414




      620414
























          1 Answer
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          0














          Looks like GoogleAnalyticsReportingToMySqlOperator is an operator you created.



          since param should be string. So change it to since="{{ti.xcom_pull(task_ids='last_date_task', key='last_date')}}"






          share|improve this answer
























          • Tried that. Now I have a NameError on last_date....NameError: name 'last_date' is not defined

            – Nihal Sangeeth
            Nov 16 '18 at 11:26











          • GoogleAnalyticsReportingToMySqlOperator is an operator I created, yes.

            – Nihal Sangeeth
            Nov 16 '18 at 11:38











          • Try with since="{{ti.xcom_pull(task_ids='last_date_task', key=None)}}" . This should work

            – kaxil
            Nov 16 '18 at 18:12












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          0














          Looks like GoogleAnalyticsReportingToMySqlOperator is an operator you created.



          since param should be string. So change it to since="{{ti.xcom_pull(task_ids='last_date_task', key='last_date')}}"






          share|improve this answer
























          • Tried that. Now I have a NameError on last_date....NameError: name 'last_date' is not defined

            – Nihal Sangeeth
            Nov 16 '18 at 11:26











          • GoogleAnalyticsReportingToMySqlOperator is an operator I created, yes.

            – Nihal Sangeeth
            Nov 16 '18 at 11:38











          • Try with since="{{ti.xcom_pull(task_ids='last_date_task', key=None)}}" . This should work

            – kaxil
            Nov 16 '18 at 18:12
















          0














          Looks like GoogleAnalyticsReportingToMySqlOperator is an operator you created.



          since param should be string. So change it to since="{{ti.xcom_pull(task_ids='last_date_task', key='last_date')}}"






          share|improve this answer
























          • Tried that. Now I have a NameError on last_date....NameError: name 'last_date' is not defined

            – Nihal Sangeeth
            Nov 16 '18 at 11:26











          • GoogleAnalyticsReportingToMySqlOperator is an operator I created, yes.

            – Nihal Sangeeth
            Nov 16 '18 at 11:38











          • Try with since="{{ti.xcom_pull(task_ids='last_date_task', key=None)}}" . This should work

            – kaxil
            Nov 16 '18 at 18:12














          0












          0








          0







          Looks like GoogleAnalyticsReportingToMySqlOperator is an operator you created.



          since param should be string. So change it to since="{{ti.xcom_pull(task_ids='last_date_task', key='last_date')}}"






          share|improve this answer













          Looks like GoogleAnalyticsReportingToMySqlOperator is an operator you created.



          since param should be string. So change it to since="{{ti.xcom_pull(task_ids='last_date_task', key='last_date')}}"







          share|improve this answer












          share|improve this answer



          share|improve this answer










          answered Nov 16 '18 at 9:49









          kaxilkaxil

          3,723928




          3,723928













          • Tried that. Now I have a NameError on last_date....NameError: name 'last_date' is not defined

            – Nihal Sangeeth
            Nov 16 '18 at 11:26











          • GoogleAnalyticsReportingToMySqlOperator is an operator I created, yes.

            – Nihal Sangeeth
            Nov 16 '18 at 11:38











          • Try with since="{{ti.xcom_pull(task_ids='last_date_task', key=None)}}" . This should work

            – kaxil
            Nov 16 '18 at 18:12



















          • Tried that. Now I have a NameError on last_date....NameError: name 'last_date' is not defined

            – Nihal Sangeeth
            Nov 16 '18 at 11:26











          • GoogleAnalyticsReportingToMySqlOperator is an operator I created, yes.

            – Nihal Sangeeth
            Nov 16 '18 at 11:38











          • Try with since="{{ti.xcom_pull(task_ids='last_date_task', key=None)}}" . This should work

            – kaxil
            Nov 16 '18 at 18:12

















          Tried that. Now I have a NameError on last_date....NameError: name 'last_date' is not defined

          – Nihal Sangeeth
          Nov 16 '18 at 11:26





          Tried that. Now I have a NameError on last_date....NameError: name 'last_date' is not defined

          – Nihal Sangeeth
          Nov 16 '18 at 11:26













          GoogleAnalyticsReportingToMySqlOperator is an operator I created, yes.

          – Nihal Sangeeth
          Nov 16 '18 at 11:38





          GoogleAnalyticsReportingToMySqlOperator is an operator I created, yes.

          – Nihal Sangeeth
          Nov 16 '18 at 11:38













          Try with since="{{ti.xcom_pull(task_ids='last_date_task', key=None)}}" . This should work

          – kaxil
          Nov 16 '18 at 18:12





          Try with since="{{ti.xcom_pull(task_ids='last_date_task', key=None)}}" . This should work

          – kaxil
          Nov 16 '18 at 18:12




















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