[jira] [Commented] (AIRFLOW-1027) Task details cannot be shown when PythonOperator calls a partial function
[
https://issues.apache.org/jira/browse/AIRFLOW-1027?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16672128#comment-16672128
]
ASF GitHub Bot commented on AIRFLOW-1027:
-
ashb closed pull request #2190: [AIRFLOW-1027] Fix error in task details when
using functools.partial in PythonOperator
URL: https://github.com/apache/incubator-airflow/pull/2190
This is a PR merged from a forked repository.
As GitHub hides the original diff on merge, it is displayed below for
the sake of provenance:
As this is a foreign pull request (from a fork), the diff is supplied
below (as it won't show otherwise due to GitHub magic):
diff --git a/airflow/www/views.py b/airflow/www/views.py
index 15735b4b79..f39c388685 100644
--- a/airflow/www/views.py
+++ b/airflow/www/views.py
@@ -19,7 +19,7 @@
import os
import pkg_resources
import socket
-from functools import wraps
+from functools import wraps, partial
from datetime import datetime, timedelta
import dateutil.parser
import copy
@@ -220,7 +220,7 @@ def wrapped_markdown(s):
'doc_yaml': lambda x: render(x, lexers.YamlLexer),
'doc_md': wrapped_markdown,
'python_callable': lambda x: render(
-inspect.getsource(x), lexers.PythonLexer),
+inspect.getsource(x if not isinstance(x, partial) else x.func),
lexers.PythonLexer),
}
diff --git a/tests/core.py b/tests/core.py
index 848553af3e..c1fcfa58e0 100644
--- a/tests/core.py
+++ b/tests/core.py
@@ -1652,6 +1652,13 @@ def test_fetch_task_instance(self):
response = self.app.get(url)
self.assertIn("run_this_last", response.data.decode('utf-8'))
+def test_dag_view_task_with_python_operator_using_partial(self):
+response = self.app.get(
+'/admin/airflow/task?'
+
'task_id=test_dagrun_functool_partial_id=test_issue_AIRFLOW_1027_dag&'
+'execution_date={}'.format(DEFAULT_DATE_DS))
+self.assertEquals(response.status_code, 200)
+
def tearDown(self):
configuration.conf.set("webserver", "expose_config", "False")
self.dag_bash.clear(start_date=DEFAULT_DATE, end_date=datetime.now())
diff --git a/tests/dags/test_issue_AIRFLOW_1027.py
b/tests/dags/test_issue_AIRFLOW_1027.py
new file mode 100644
index 00..0e14cfb759
--- /dev/null
+++ b/tests/dags/test_issue_AIRFLOW_1027.py
@@ -0,0 +1,44 @@
+# -*- coding: utf-8 -*-
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
+"""
+DAG designed to test a PythonOperator that calls a functool.partial
+"""
+import functools
+
+from datetime import datetime
+
+from airflow.models import DAG
+from airflow.operators.python_operator import PythonOperator
+
+DEFAULT_DATE = datetime(2016, 1, 1)
+default_args = dict(
+start_date=DEFAULT_DATE,
+owner='airflow')
+
+
+def func_with_two_args(arg_1, arg_2):
+pass
+
+
+partial_func = functools.partial(func_with_two_args, arg_1=1)
+
+
+dag = DAG(dag_id='test_issue_AIRFLOW_1027_dag', default_args=default_args)
+
+dag_task1 = PythonOperator(
+task_id='test_dagrun_functool_partial',
+dag=dag,
+python_callable=partial_func)
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> Task details cannot be shown when PythonOperator calls a partial function
> -
>
> Key: AIRFLOW-1027
> URL: https://issues.apache.org/jira/browse/AIRFLOW-1027
> Project: Apache Airflow
> Issue Type: Bug
> Components: ui
>Affects Versions: 1.7.1
>Reporter: Adrian Partl
>Assignee: Adrian Partl
>Priority: Minor
>
> Showing task details of a PythonOperator that uses a `functools.partial` as a
> callable results in the following error:
> {noformat}
> File "/usr/lib/python2.7/site-packages/airflow/www/views.py", line 909, in
> task
> special_attrs_rendered[attr_name] = attr_renderer[attr_name](source)
> File "/usr/lib/python2.7/site-packages/airflow/www/views.py", line 224, in
>
> inspect.getsource(x), lexers.PythonLexer),
> File "/usr/lib64/python2.7/inspect.py", line 701, in getsource
> lines, lnum =
[jira] [Commented] (AIRFLOW-1027) Task details cannot be shown when PythonOperator calls a partial function
[
https://issues.apache.org/jira/browse/AIRFLOW-1027?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16601550#comment-16601550
]
Apache Spark commented on AIRFLOW-1027:
---
User 'adrpar' has created a pull request for this issue:
https://github.com/apache/incubator-airflow/pull/2190
> Task details cannot be shown when PythonOperator calls a partial function
> -
>
> Key: AIRFLOW-1027
> URL: https://issues.apache.org/jira/browse/AIRFLOW-1027
> Project: Apache Airflow
> Issue Type: Bug
> Components: ui
>Affects Versions: Airflow 1.7.1
>Reporter: Adrian Partl
>Assignee: Adrian Partl
>Priority: Minor
>
> Showing task details of a PythonOperator that uses a `functools.partial` as a
> callable results in the following error:
> {noformat}
> File "/usr/lib/python2.7/site-packages/airflow/www/views.py", line 909, in
> task
> special_attrs_rendered[attr_name] = attr_renderer[attr_name](source)
> File "/usr/lib/python2.7/site-packages/airflow/www/views.py", line 224, in
>
> inspect.getsource(x), lexers.PythonLexer),
> File "/usr/lib64/python2.7/inspect.py", line 701, in getsource
> lines, lnum = getsourcelines(object)
> File "/usr/lib64/python2.7/inspect.py", line 690, in getsourcelines
> lines, lnum = findsource(object)
> File "/usr/lib64/python2.7/inspect.py", line 526, in findsource
> file = getfile(object)
> File "/usr/lib64/python2.7/inspect.py", line 420, in getfile
> 'function, traceback, frame, or code object'.format(object))
> TypeError: is not a module, class,
> method, function, traceback, frame, or code object
> {noformat}
> A sample dag definition for this is:
> {noformat}
> def func_with_two_args(arg_1, arg_2):
> pass
> partial_func = functools.partial(func_with_two_args, arg_1=1)
> dag = DAG(dag_id='test_issue_1333_dag', default_args=default_args)
> dag_task1 = PythonOperator(
> task_id='test_dagrun_functool_partial',
> dag=dag,
> python_callable=partial_func)
> {noformat}
> I will provide a PR with a fix for this.
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[jira] [Commented] (AIRFLOW-1027) Task details cannot be shown when PythonOperator calls a partial function
[
https://issues.apache.org/jira/browse/AIRFLOW-1027?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16363992#comment-16363992
]
Matthew Revell commented on AIRFLOW-1027:
-
This ticket only describes one cause for this error. It can also occur for
other reasons. A more complete solution is proposed withÂ
[AIRFLOW-2099|https://issues.apache.org/jira/browse/AIRFLOW-2099]
> Task details cannot be shown when PythonOperator calls a partial function
> -
>
> Key: AIRFLOW-1027
> URL: https://issues.apache.org/jira/browse/AIRFLOW-1027
> Project: Apache Airflow
> Issue Type: Bug
> Components: ui
>Affects Versions: Airflow 1.7.1
>Reporter: Adrian Partl
>Assignee: Adrian Partl
>Priority: Minor
>
> Showing task details of a PythonOperator that uses a `functools.partial` as a
> callable results in the following error:
> {noformat}
> File "/usr/lib/python2.7/site-packages/airflow/www/views.py", line 909, in
> task
> special_attrs_rendered[attr_name] = attr_renderer[attr_name](source)
> File "/usr/lib/python2.7/site-packages/airflow/www/views.py", line 224, in
>
> inspect.getsource(x), lexers.PythonLexer),
> File "/usr/lib64/python2.7/inspect.py", line 701, in getsource
> lines, lnum = getsourcelines(object)
> File "/usr/lib64/python2.7/inspect.py", line 690, in getsourcelines
> lines, lnum = findsource(object)
> File "/usr/lib64/python2.7/inspect.py", line 526, in findsource
> file = getfile(object)
> File "/usr/lib64/python2.7/inspect.py", line 420, in getfile
> 'function, traceback, frame, or code object'.format(object))
> TypeError: is not a module, class,
> method, function, traceback, frame, or code object
> {noformat}
> A sample dag definition for this is:
> {noformat}
> def func_with_two_args(arg_1, arg_2):
> pass
> partial_func = functools.partial(func_with_two_args, arg_1=1)
> dag = DAG(dag_id='test_issue_1333_dag', default_args=default_args)
> dag_task1 = PythonOperator(
> task_id='test_dagrun_functool_partial',
> dag=dag,
> python_callable=partial_func)
> {noformat}
> I will provide a PR with a fix for this.
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