[ci][python] Add isort to sort out import (#6871)

* Add isort config file to fix conflict with black
* Add some doc about isort

.github/workflows/py-ci.yml

@@ -50,6 +50,8 @@ jobs:
           python-version: 3.7
       - name: Install Development Dependences
         run: pip install -r requirements_dev.txt
+      - name: Run Isort Checking
+        run: isort --check .
       - name: Run Black Checking
         run: black --check .
       - name: Run Flake8 Checking

dolphinscheduler-python/pydolphinscheduler/.isort.cfg

@@ -0,0 +1,19 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you 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.
+
+[settings]
+profile=black

dolphinscheduler-python/pydolphinscheduler/README.md

@@ -21,6 +21,7 @@
 
 [![GitHub Build][ga-py-test]][ga]
 [![Code style: black][black-shield]][black-gh]
+[![Imports: isort][isort-shield]][isort-gh]
 
 pydolphinscheduler is python API for Apache DolphinScheduler, which allow you definition
 your workflow by python code, aka workflow-as-codes.
@@ -104,16 +105,20 @@ and would be implemented in the further.
 
 ### Code Style
 
-We use [Black][black] for code formatter and [Flake8][flake8] for pep8 checker. If you use [pycharm][pycharm]
+We use [isort][isort] to automatically keep Python imports alphabetically, and use [Black][black] for code
-or [IntelliJ IDEA][idea], maybe you could follow [Black-integration][black-editor] to configure them in your environment.
+formatter and [Flake8][flake8] for pep8 checker. If you use [pycharm][pycharm]or [IntelliJ IDEA][idea],
+maybe you could follow [Black-integration][black-editor] to configure them in your environment.
 
-Our Python API CI would automatically run unittest when you submit pull request in GitHub, you could also run
+Our Python API CI would automatically run code style checker and unittest when you submit pull request in
-static check locally.
+GitHub, you could also run static check locally.
 
 ```shell
-# We recommend you run Black before Flake8, because Black could auto fix some code style issue
+# We recommend you run isort and Black before Flake8, because Black could auto fix some code style issue
 # but Flake8 just hint when code style not match pep8
 
+# Run Isort
+isort .
+
 # Run Black
 black .
 
@@ -158,8 +163,11 @@ this command output.
 [flake8]: https://flake8.pycqa.org/en/latest/index.html
 [black-editor]: https://black.readthedocs.io/en/stable/integrations/editors.html#pycharm-intellij-idea
 [coverage]: https://coverage.readthedocs.io/en/stable/
+[isort]: https://pycqa.github.io/isort/index.html
 <!-- badge -->
 [ga-py-test]: https://github.com/apache/dolphinscheduler/actions/workflows/py-ci.yml/badge.svg?branch=dev
 [ga]: https://github.com/apache/dolphinscheduler/actions
 [black-shield]: https://img.shields.io/badge/code%20style-black-000000.svg
 [black-gh]: https://github.com/psf/black
+[isort-shield]: https://img.shields.io/badge/%20imports-isort-%231674b1?style=flat&labelColor=ef8336
+[isort-gh]: https://pycqa.github.io/isort/

dolphinscheduler-python/pydolphinscheduler/examples/tutorial.py

@@ -33,7 +33,6 @@ it will instantiate and run all the task it have.
 from pydolphinscheduler.core.process_definition import ProcessDefinition
 from pydolphinscheduler.tasks.shell import Shell
 
-
 with ProcessDefinition(
     name="tutorial",
     schedule="0 0 0 * * ? *",

dolphinscheduler-python/pydolphinscheduler/requirements_dev.txt

@@ -24,3 +24,4 @@ coverage
 flake8
 flake8-docstrings
 flake8-black
+isort

dolphinscheduler-python/pydolphinscheduler/src/pydolphinscheduler/core/base.py

@@ -17,7 +17,7 @@
 
 """DolphinScheduler Base object."""
 
-from typing import Optional, Dict
+from typing import Dict, Optional
 
 # from pydolphinscheduler.side.user import User
 from pydolphinscheduler.utils.string import attr2camel

dolphinscheduler-python/pydolphinscheduler/src/pydolphinscheduler/core/process_definition.py

@@ -19,16 +19,16 @@
 
 import json
 from datetime import datetime
-from typing import Optional, List, Dict, Set, Any
+from typing import Any, Dict, List, Optional, Set
 
 from pydolphinscheduler.constants import (
-    ProcessDefinitionReleaseState,
     ProcessDefinitionDefault,
+    ProcessDefinitionReleaseState,
 )
 from pydolphinscheduler.core.base import Base
 from pydolphinscheduler.java_gateway import launch_gateway
-from pydolphinscheduler.side import Tenant, Project, User
+from pydolphinscheduler.side import Project, Tenant, User
-from pydolphinscheduler.utils.date import conv_from_str, conv_to_schedule, MAX_DATETIME
+from pydolphinscheduler.utils.date import MAX_DATETIME, conv_from_str, conv_to_schedule
 
 
 class ProcessDefinitionContext:

dolphinscheduler-python/pydolphinscheduler/src/pydolphinscheduler/core/task.py

@@ -17,19 +17,21 @@
 
 """DolphinScheduler ObjectJsonBase, TaskParams and Task object."""
 
-from typing import Optional, List, Dict, Set, Union, Sequence, Tuple
+from typing import Dict, List, Optional, Sequence, Set, Tuple, Union
 
 from pydolphinscheduler.constants import (
-    TaskPriority,
     ProcessDefinitionDefault,
     TaskFlag,
+    TaskPriority,
     TaskTimeoutFlag,
 )
 from pydolphinscheduler.core.base import Base
-from pydolphinscheduler.core.process_definition import ProcessDefinition
+from pydolphinscheduler.core.process_definition import (
-from pydolphinscheduler.core.process_definition import ProcessDefinitionContext
+    ProcessDefinition,
+    ProcessDefinitionContext,
+)
 from pydolphinscheduler.java_gateway import launch_gateway
-from pydolphinscheduler.utils.string import snake2camel, class_name2camel
+from pydolphinscheduler.utils.string import class_name2camel, snake2camel
 
 
 class ObjectJsonBase:

dolphinscheduler-python/pydolphinscheduler/src/pydolphinscheduler/java_gateway.py

@@ -20,7 +20,7 @@
 from typing import Any, Optional
 
 from py4j.java_collections import JavaMap
-from py4j.java_gateway import JavaGateway, GatewayParameters
+from py4j.java_gateway import GatewayParameters, JavaGateway
 
 from pydolphinscheduler.constants import JavaGatewayDefault
 

dolphinscheduler-python/pydolphinscheduler/src/pydolphinscheduler/side/project.py

@@ -19,8 +19,8 @@
 
 from typing import Optional
 
-from pydolphinscheduler.core.base_side import BaseSide
 from pydolphinscheduler.constants import ProcessDefinitionDefault
+from pydolphinscheduler.core.base_side import BaseSide
 from pydolphinscheduler.java_gateway import launch_gateway
 
 

dolphinscheduler-python/pydolphinscheduler/src/pydolphinscheduler/side/queue.py

@@ -21,7 +21,7 @@ from typing import Optional
 
 from pydolphinscheduler.constants import ProcessDefinitionDefault
 from pydolphinscheduler.core.base_side import BaseSide
-from pydolphinscheduler.java_gateway import launch_gateway, gateway_result_checker
+from pydolphinscheduler.java_gateway import gateway_result_checker, launch_gateway
 
 
 class Queue(BaseSide):

dolphinscheduler-python/pydolphinscheduler/src/pydolphinscheduler/utils/date.py

@@ -18,6 +18,7 @@
 """Date util function collections."""
 
 from datetime import datetime
+
 from pydolphinscheduler.constants import Delimiter, Time
 
 LEN_SUPPORT_DATETIME = (

dolphinscheduler-python/pydolphinscheduler/tests/core/test_process_definition.py

@@ -20,9 +20,8 @@
 from datetime import datetime
 from typing import Any
 
-from pydolphinscheduler.utils.date import conv_to_schedule
-
 import pytest
+from freezegun import freeze_time
 
 from pydolphinscheduler.constants import (
     ProcessDefinitionDefault,
@@ -30,9 +29,9 @@ from pydolphinscheduler.constants import (
 )
 from pydolphinscheduler.core.process_definition import ProcessDefinition
 from pydolphinscheduler.core.task import TaskParams
-from pydolphinscheduler.side import Tenant, Project, User
+from pydolphinscheduler.side import Project, Tenant, User
+from pydolphinscheduler.utils.date import conv_to_schedule
 from tests.testing.task import Task
-from freezegun import freeze_time
 
 TEST_PROCESS_DEFINITION_NAME = "simple-test-process-definition"
 

dolphinscheduler-python/pydolphinscheduler/tests/core/test_task.py

@@ -18,9 +18,10 @@
 """Test Task class function."""
 
 from unittest.mock import patch
+
 import pytest
 
-from pydolphinscheduler.core.task import TaskParams, TaskRelation, Task
+from pydolphinscheduler.core.task import Task, TaskParams, TaskRelation
 from tests.testing.task import Task as testTask
 
 

dolphinscheduler-python/pydolphinscheduler/tests/test_java_gateway.py

@@ -18,7 +18,7 @@
 """Test pydolphinscheduler java gateway."""
 
 
-from py4j.java_gateway import java_import, JavaGateway
+from py4j.java_gateway import JavaGateway, java_import
 
 
 def test_gateway_connect():

dolphinscheduler-python/pydolphinscheduler/tests/utils/test_date.py

@@ -17,13 +17,11 @@
 
 """Test utils.date module."""
 
-import pytest
 from datetime import datetime
-from pydolphinscheduler.utils.date import (
+
-    conv_from_str,
+import pytest
-    conv_to_schedule,
+
-    FMT_STD,
+from pydolphinscheduler.utils.date import FMT_STD, conv_from_str, conv_to_schedule
-)
 
 curr_date = datetime.now()
 

dolphinscheduler-python/pydolphinscheduler/tests/utils/test_string.py

@@ -17,9 +17,10 @@
 
 """Test utils.string module."""
 
-from pydolphinscheduler.utils.string import attr2camel, snake2camel, class_name2camel
 import pytest
 
+from pydolphinscheduler.utils.string import attr2camel, class_name2camel, snake2camel
+
 
 @pytest.mark.parametrize(
     "snake, expect",